dnl Macros for auto-configure script. dnl by T.E.Dickey dnl and Jim Spath dnl and Philippe De Muyter dnl dnl Created: 1997/1/28 dnl Updated: 2001/4/15 dnl dnl The autoconf used in Lynx development is GNU autoconf, patched dnl by Tom Dickey. See your local GNU archives, and this URL: dnl http://invisible-island.net/autoconf/autoconf.html dnl dnl --------------------------------------------------------------------------- dnl --------------------------------------------------------------------------- dnl AC_DEFUN(AM_GNU_GETTEXT, [AC_REQUIRE([AC_PROG_MAKE_SET])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_RANLIB])dnl AC_REQUIRE([AC_ISC_POSIX])dnl AC_REQUIRE([AC_HEADER_STDC])dnl AC_REQUIRE([AC_C_CONST])dnl AC_REQUIRE([AC_C_INLINE])dnl AC_REQUIRE([AC_TYPE_OFF_T])dnl AC_REQUIRE([AC_TYPE_SIZE_T])dnl AC_REQUIRE([AC_FUNC_ALLOCA])dnl AC_REQUIRE([AC_FUNC_MMAP])dnl AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h string.h \ unistd.h sys/param.h]) AC_CHECK_FUNCS([getcwd munmap putenv setenv setlocale strchr strcasecmp \ strdup __argz_count __argz_stringify __argz_next]) if test "${ac_cv_func_stpcpy+set}" != "set"; then AC_CHECK_FUNCS(stpcpy) fi if test "${ac_cv_func_stpcpy}" = "yes"; then AC_DEFINE(HAVE_STPCPY) fi AM_LC_MESSAGES AM_WITH_NLS if test "x$CATOBJEXT" != "x"; then if test "x$ALL_LINGUAS" = "x"; then LINGUAS= else AC_MSG_CHECKING(for catalogs to be installed) NEW_LINGUAS= for lang in ${LINGUAS=$ALL_LINGUAS}; do case "$ALL_LINGUAS" in *$lang*) NEW_LINGUAS="$NEW_LINGUAS $lang" ;; esac done LINGUAS=$NEW_LINGUAS AC_MSG_RESULT($LINGUAS) fi dnl Construct list of names of catalog files to be constructed. if test -n "$LINGUAS"; then for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done fi fi dnl The reference to in the installed file dnl must be resolved because we cannot expect the users of this dnl to define HAVE_LOCALE_H. if test $ac_cv_header_locale_h = yes; then INCLUDE_LOCALE_H="#include " else INCLUDE_LOCALE_H="\ /* The system does not provide the header . Take care of it yourself. */" fi AC_SUBST(INCLUDE_LOCALE_H) dnl Determine which catalog format we have (if any is needed) dnl For now we know about two different formats: dnl Linux libc-5 and the normal X/Open format if test "$USE_NLS" = "yes"; then test -d intl || mkdir intl if test "$CATOBJEXT" = ".cat"; then AC_CHECK_HEADER(linux/version.h, msgformat=linux, msgformat=xopen) dnl Transform the SED scripts while copying because some dumb SEDs dnl cannot handle comments. sed -e '/^#/d' $srcdir/intl/$msgformat-msg.sed > intl/po2msg.sed fi dnl po2tbl.sed is always needed. if test -f $srcdir/intl/po2tbl.sed.in ; then rm -f intl/po2tbl.sed sed -e '/^#.*[^\\]$/d' -e '/^#$/d' \ $srcdir/intl/po2tbl.sed.in > intl/po2tbl.sed fi fi dnl In the intl/Makefile.in we have a special dependency which only dnl makes sense for gettext. We comment this out for non-gettext dnl packages. if test "$PACKAGE" = "gettext"; then GT_NO="#NO#" GT_YES= else GT_NO= GT_YES="#YES#" fi AC_SUBST(GT_NO) AC_SUBST(GT_YES) dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly dnl find the mkinstalldirs script in another subdir but ($top_srcdir). dnl Try to locate it. dnl changed mkinstalldirs to mkdirs.sh for Lynx /je spath 1998-Aug-21 MKINSTALLDIRS= if test -n "$ac_aux_dir"; then MKINSTALLDIRS="$ac_aux_dir/mkdirs.sh" fi if test -z "$MKINSTALLDIRS"; then MKINSTALLDIRS="\$(top_srcdir)/mkdirs.sh" fi AC_SUBST(MKINSTALLDIRS) dnl *** For now the libtool support in intl/Makefile is not for real. l= AC_SUBST(l) dnl Generate list of files to be processed by xgettext which will dnl be included in po/Makefile. if test "x$srcdir" != "x."; then if test "x`echo $srcdir | sed 's@/.*@@'`" = "x"; then posrcprefix="$srcdir/" else posrcprefix="../$srcdir/" fi else posrcprefix="../" fi if test -f $srcdir/po/POTFILES.in ; then if test "$USE_NLS" = "yes"; then test -d po || mkdir po rm -f po/POTFILES sed -e "/^#/d" -e "/^\$/d" -e "s,.*, $posrcprefix& \\\\," -e "\$s/\(.*\) \\\\/\1/" \ < $srcdir/po/POTFILES.in > po/POTFILES fi fi ])dnl dnl --------------------------------------------------------------------------- dnl dnl Check whether LC_MESSAGES is available in . dnl Ulrich Drepper , 1995. dnl dnl This file can be copied and used freely without restrictions. It can dnl be used in projects which are not available under the GNU Public License dnl but which still want to provide support for the GNU gettext functionality. dnl Please note that the actual code is *not* freely available. dnl dnl serial 1 dnl AC_DEFUN(AM_LC_MESSAGES, [if test $ac_cv_header_locale_h = yes; then AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES, [AC_TRY_LINK([#include ], [return LC_MESSAGES], am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)]) if test $am_cv_val_LC_MESSAGES = yes; then AC_DEFINE(HAVE_LC_MESSAGES) fi fi]) dnl --------------------------------------------------------------------------- dnl Search path for a program which passes the given test. dnl Ulrich Drepper , 1996. dnl dnl This file can be copied and used freely without restrictions. It can dnl be used in projects which are not available under the GNU Public License dnl but which still want to provide support for the GNU gettext functionality. dnl Please note that the actual code is *not* freely available. dnl dnl serial 1 dnl dnl dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR, dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]]) AC_DEFUN(AM_PATH_PROG_WITH_TEST, [# Extract the first word of "$2", so it can be a program name with args. AC_REQUIRE([CF_PATHSEP]) set dummy $2; ac_word=[$]2 AC_MSG_CHECKING([for $ac_word]) AC_CACHE_VAL(ac_cv_path_$1, [case "[$]$1" in /*) ac_cv_path_$1="[$]$1" # Let the user override the test with a path. ;; *) IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATHSEP}" for ac_dir in ifelse([$5], , $PATH, [$5]); do test -z "$ac_dir" && ac_dir=. if test -f $ac_dir/$ac_word; then if [$3]; then ac_cv_path_$1="$ac_dir/$ac_word" break fi fi done IFS="$ac_save_ifs" dnl If no 4th arg is given, leave the cache variable unset, dnl so AC_PATH_PROGS will keep looking. ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4" ])dnl ;; esac])dnl $1="$ac_cv_path_$1" if test -n "[$]$1"; then AC_MSG_RESULT([$]$1) else AC_MSG_RESULT(no) fi AC_SUBST($1)dnl ]) dnl --------------------------------------------------------------------------- dnl Macro to add for using GNU gettext. dnl Ulrich Drepper , 1995. dnl dnl This file can be copied and used freely without restrictions. It can dnl be used in projects which are not available under the GNU Public License dnl but which still want to provide support for the GNU gettext functionality. dnl Please note that the actual code is *not* freely available. dnl dnl serial 5 dnl AC_DEFUN(AM_WITH_NLS, [AC_MSG_CHECKING([whether NLS is requested]) dnl Default is enabled NLS AC_ARG_ENABLE(nls, [ --enable-nls use Native Language Support], USE_NLS=$enableval, USE_NLS=no) AC_MSG_RESULT($USE_NLS) AC_SUBST(USE_NLS) USE_INCLUDED_LIBINTL=no dnl If we use NLS figure out what method if test "$USE_NLS" = "yes"; then AC_DEFINE(ENABLE_NLS) AC_MSG_CHECKING([whether included gettext is requested]) AC_ARG_WITH(included-gettext, [ --with-included-gettext use the GNU gettext library included here], nls_cv_force_use_gnu_gettext=$withval, nls_cv_force_use_gnu_gettext=no) AC_MSG_RESULT($nls_cv_force_use_gnu_gettext) nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext" if test "$nls_cv_force_use_gnu_gettext" != "yes"; then dnl User does not insist on using GNU NLS library. Figure out what dnl to use. If gettext or catgets are available (in this order) we dnl use this. Else we have to fall back to GNU NLS library. dnl catgets is only used if permitted by option --with-catgets. nls_cv_header_intl= nls_cv_header_libgt= CATOBJEXT=NONE AC_CHECK_HEADER(libintl.h, [AC_CACHE_CHECK([for gettext in libc], gt_cv_func_gettext_libc, [AC_TRY_LINK([#include ], [return (int) gettext ("")], gt_cv_func_gettext_libc=yes, gt_cv_func_gettext_libc=no)]) if test "$gt_cv_func_gettext_libc" != "yes"; then AC_CHECK_LIB(intl, bindtextdomain, [ gt_save_LIBS="$LIBS" LIBS="$gt_save_LIBS -lintl" AC_CACHE_CHECK([for gettext in libintl], gt_cv_func_gettext_libintl, [AC_TRY_LINK([], [return (int) gettext ("")], gt_cv_func_gettext_libintl=yes, gt_cv_func_gettext_libintl=no)]) LIBS="$gt_save_LIBS"]) fi if test "$gt_cv_func_gettext_libintl" = yes; then LIBS="$LIBS -lintl" fi if test "$gt_cv_func_gettext_libc" = "yes" \ || test "$gt_cv_func_gettext_libintl" = "yes"; then AC_DEFINE(HAVE_GETTEXT) AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt, [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)dnl if test "$MSGFMT" != "no"; then AC_CHECK_FUNCS(dcgettext) AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT) AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :) AC_TRY_LINK(, [extern int _nl_msg_cat_cntr; return _nl_msg_cat_cntr], [CATOBJEXT=.gmo DATADIRNAME=share], [CATOBJEXT=.mo DATADIRNAME=lib]) INSTOBJEXT=.mo fi fi ]) if test "$CATOBJEXT" = "NONE"; then AC_MSG_CHECKING([whether catgets can be used]) AC_ARG_WITH(catgets, [ --with-catgets use catgets functions if available], nls_cv_use_catgets=$withval, nls_cv_use_catgets=no) AC_MSG_RESULT($nls_cv_use_catgets) if test "$nls_cv_use_catgets" = "yes"; then dnl No gettext in C library. Try catgets next. AC_CHECK_LIB(i, main) AC_CHECK_FUNC(catgets, [AC_DEFINE(HAVE_CATGETS) INTLOBJS="\$(CATOBJS)" AC_PATH_PROG(GENCAT, gencat, no)dnl if test "$GENCAT" != "no"; then AC_PATH_PROG(GMSGFMT, gmsgfmt, no) if test "$GMSGFMT" = "no"; then AM_PATH_PROG_WITH_TEST(GMSGFMT, msgfmt, [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no) fi AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :) USE_INCLUDED_LIBINTL=yes CATOBJEXT=.cat INSTOBJEXT=.cat DATADIRNAME=lib INTLDEPS='$(top_builddir)/intl/libintl.a' INTLLIBS=$INTLDEPS LIBS=`echo $LIBS | sed -e 's/-lintl//'` nls_cv_header_intl=intl/libintl.h nls_cv_header_libgt=intl/libgettext.h fi]) fi fi if test "$CATOBJEXT" = "NONE"; then dnl Neither gettext nor catgets in included in the C library. dnl Fall back on GNU gettext library. nls_cv_use_gnu_gettext=yes fi fi if test "$nls_cv_use_gnu_gettext" = "yes"; then dnl Mark actions used to generate GNU NLS library. INTLOBJS="\$(GETTOBJS)" AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt, [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], msgfmt) AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT) AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :) AC_SUBST(MSGFMT) USE_INCLUDED_LIBINTL=yes CATOBJEXT=.gmo INSTOBJEXT=.mo DATADIRNAME=share INTLDEPS='$(top_builddir)/intl/libintl.a' INTLLIBS=$INTLDEPS LIBS=`echo $LIBS | sed -e 's/-lintl//'` nls_cv_header_intl=intl/libintl.h nls_cv_header_libgt=intl/libgettext.h fi dnl Test whether we really found GNU xgettext. if test "$XGETTEXT" != ":"; then dnl If it is no GNU xgettext we define it as : so that the dnl makefiles still can work. if $XGETTEXT --omit-header /dev/null 2> /dev/null; then : ; else AC_MSG_RESULT( [found xgettext program is not GNU xgettext; ignore it]) XGETTEXT=":" fi fi # We need to process the po/ directory. POSUB=po else DATADIRNAME=share nls_cv_header_intl=intl/libintl.h nls_cv_header_libgt=intl/libgettext.h fi # If this is used in GNU gettext we have to set USE_NLS to `yes' # because some of the sources are only built for this goal. if test "$PACKAGE" = gettext; then USE_NLS=yes USE_INCLUDED_LIBINTL=yes fi # If we really do not use included intl, suppress the command that # would attempt to symlink the two copies of its header. if test "$USE_INCLUDED_LIBINTL" != yes; then nls_cv_header_libgt= nls_cv_header_intl= fi AC_LINK_FILES($nls_cv_header_libgt, $nls_cv_header_intl) AC_OUTPUT_COMMANDS([ #(vi case "\$CONFIG_FILES" in *po/makefile.in*) #(vi sed -e "/POTFILES =/r po/POTFILES" po/makefile.in > po/makefile ;; *po/Makefile.in*) sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile esac]) dnl These rules are solely for the distribution goal. While doing this dnl we only have to keep exactly one list of the available catalogs dnl in configure.in. for lang in $ALL_LINGUAS; do GMOFILES="$GMOFILES $lang.gmo" POFILES="$POFILES $lang.po" done dnl Make all variables we use known to autoconf. AC_SUBST(USE_INCLUDED_LIBINTL) AC_SUBST(CATALOGS) AC_SUBST(CATOBJEXT) AC_SUBST(DATADIRNAME) AC_SUBST(GMOFILES) AC_SUBST(INSTOBJEXT) AC_SUBST(INTLDEPS) AC_SUBST(INTLLIBS) AC_SUBST(INTLOBJS) AC_SUBST(POFILES) AC_SUBST(POSUB) ]) dnl --------------------------------------------------------------------------- dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS AC_DEFUN([CF_ADD_CFLAGS], [ for cf_add_cflags in $1 do case $cf_add_cflags in #(vi -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi case "$CPPFLAGS" in *$cf_add_cflags) ;; *) CPPFLAGS="$CPPFLAGS $cf_add_cflags" ;; esac ;; *) CFLAGS="$CFLAGS $cf_add_cflags" ;; esac done ])dnl dnl --------------------------------------------------------------------------- dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's dnl redundant. We don't normally need to add -I/usr/local/include for gcc, dnl but old versions (and some misinstalled ones) need that. AC_DEFUN([CF_ADD_INCDIR], [ for cf_add_incdir in $1 do while true do case $cf_add_incdir in /usr/include) # (vi ;; *) # (vi CPPFLAGS="$CPPFLAGS -I$cf_add_incdir" ;; esac cf_top_incdir=`echo $cf_add_incdir | sed -e 's:/include/.*$:/include:'` test "$cf_top_incdir" = "$cf_add_incdir" && break cf_add_incdir="$cf_top_incdir" done done ])dnl dnl --------------------------------------------------------------------------- dnl Check for existence of alternate-character-set support in curses, so we dnl can decide to use it for box characters. dnl AC_DEFUN([CF_ALT_CHAR_SET], [ AC_MSG_CHECKING([if curses supports alternate-character set]) AC_CACHE_VAL(cf_cv_alt_char_set,[ for mapname in acs_map _acs_map do AC_TRY_LINK([ #include <${cf_cv_ncurses_header-curses.h}> ],[chtype x = $mapname['l']; $mapname['m'] = 0], [cf_cv_alt_char_set=$mapname break], [cf_cv_alt_char_set=no]) done ]) AC_MSG_RESULT($cf_cv_alt_char_set) test $cf_cv_alt_char_set != no && AC_DEFINE_UNQUOTED(ALT_CHAR_SET,$cf_cv_alt_char_set) ])dnl dnl --------------------------------------------------------------------------- dnl This is adapted from the macros 'fp_PROG_CC_STDC' and 'fp_C_PROTOTYPES' dnl in the sharutils 4.2 distribution. AC_DEFUN([CF_ANSI_CC_CHECK], [ AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C) AC_CACHE_VAL(cf_cv_ansi_cc,[ cf_cv_ansi_cc=no cf_save_CFLAGS="$CFLAGS" cf_save_CPPFLAGS="$CPPFLAGS" # Don't try gcc -ansi; that turns off useful extensions and # breaks some systems' header files. # AIX -qlanglvl=ansi # Ultrix and OSF/1 -std1 # HP-UX -Aa -D_HPUX_SOURCE # SVR4 -Xc # UnixWare 1.2 (cannot use -Xc, since ANSI/POSIX clashes) for cf_arg in "-DCC_HAS_PROTOS" \ "" \ -qlanglvl=ansi \ -std1 \ -Ae \ "-Aa -D_HPUX_SOURCE" \ -Xc do CF_ADD_CFLAGS($cf_arg) AC_TRY_COMPILE( [ #ifndef CC_HAS_PROTOS #if !defined(__STDC__) || (__STDC__ != 1) choke me #endif #endif ],[ int test (int i, double x); struct s1 {int (*f) (int a);}; struct s2 {int (*f) (double a);};], [cf_cv_ansi_cc="$cf_arg"; break]) done CFLAGS="$cf_save_CFLAGS" CPPFLAGS="$cf_save_CPPFLAGS" ]) AC_MSG_RESULT($cf_cv_ansi_cc) if test "$cf_cv_ansi_cc" != "no"; then if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then CF_ADD_CFLAGS($cf_cv_ansi_cc) else AC_DEFINE(CC_HAS_PROTOS) fi fi ])dnl dnl --------------------------------------------------------------------------- dnl Allow user to disable a normally-on option. AC_DEFUN([CF_ARG_DISABLE], [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl dnl --------------------------------------------------------------------------- dnl Allow user to enable a normally-off option. AC_DEFUN([CF_ARG_ENABLE], [CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl dnl --------------------------------------------------------------------------- dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus dnl values. dnl dnl Parameters: dnl $1 = option name dnl $2 = help-string dnl $3 = action to perform if option is not default dnl $4 = action if perform if option is default dnl $5 = default option value (either 'yes' or 'no') AC_DEFUN([CF_ARG_OPTION], [AC_ARG_ENABLE($1,[$2],[test "$enableval" != ifelse($5,no,yes,no) && enableval=ifelse($5,no,no,yes) if test "$enableval" != "$5" ; then ifelse($3,,[ :]dnl ,[ $3]) ifelse($4,,,[ else $4]) fi],[enableval=$5 ifelse($4,,,[ $4 ])dnl ])])dnl dnl --------------------------------------------------------------------------- dnl Check if curses.h defines TRUE/FALSE (it does under SVr4). AC_DEFUN([CF_BOOL_DEFS], [ AC_MSG_CHECKING(if TRUE/FALSE are defined) AC_CACHE_VAL(cf_cv_bool_defs,[ AC_TRY_COMPILE([ #include <${cf_cv_ncurses_header-curses.h}> #include ],[int x = TRUE, y = FALSE], [cf_cv_bool_defs=yes], [cf_cv_bool_defs=no])]) AC_MSG_RESULT($cf_cv_bool_defs) if test "$cf_cv_bool_defs" = no ; then AC_DEFINE(TRUE,(1)) AC_DEFINE(FALSE,(0)) fi ])dnl dnl --------------------------------------------------------------------------- dnl Top-level macro for configuring an application with a bundled copy of dnl the intl and po directories for gettext. dnl dnl $1 specifies either Makefile or makefile, defaulting to the former. AC_DEFUN([CF_BUNDLED_INTL],[ cf_makefile=ifelse($1,,Makefile,$1) dnl Set of available languages (based on source distribution). Note that dnl setting $LINGUAS overrides $ALL_LINGUAS. Some environments set $LINGUAS dnl rather than $LC_ALL test -z "$ALL_LINGUAS" && ALL_LINGUAS=`test -d $srcdir/po && cd $srcdir/po && echo *.po|sed -e 's/\.po//g' -e 's/*//'` AM_GNU_GETTEXT INTLDIR_MAKE= MSG_DIR_MAKE= SUB_MAKEFILE= CF_OUR_MESSAGES if test "$USE_INCLUDED_LIBINTL" = yes ; then if test "$nls_cv_force_use_gnu_gettext" = yes ; then SUB_MAKEFILE="intl/$cf_makefile" elif test "$nls_cv_use_gnu_gettext" = yes ; then SUB_MAKEFILE="intl/$cf_makefile" else INTLDIR_MAKE="#" fi if test $use_our_messages = no ; then MSG_DIR_MAKE="#" SUB_MAKEFILE= fi if test "$use_our_messages" = yes ; then SUB_MAKEFILE="$SUB_MAKEFILE po/$cf_makefile.in:po/$cf_makefile.inn" else MSG_DIR_MAKE="#" fi elif test "$USE_NLS" = yes ; then AC_CHECK_HEADERS(libintl.h) INTLDIR_MAKE="#" SUB_MAKEFILE="po/$cf_makefile.in:po/$cf_makefile.inn" else INTLDIR_MAKE="#" MSG_DIR_MAKE="#" fi dnl We might want to use a preinstalled message library rather than the one dnl which is bundled with this program. if test -z "$MSG_DIR_MAKE" ; then if test $use_our_messages = no ; then MSG_DIR_MAKE="#" SUB_MAKEFILE= fi fi if test -z "$INTLDIR_MAKE" ; then CPPFLAGS="$CPPFLAGS -I../intl" fi AC_SUBST(INTLDIR_MAKE) AC_SUBST(MSG_DIR_MAKE) dnl FIXME: the underlying AM_GNU_GETTEXT macro either needs some fixes or a dnl little documentation. It doesn't define anything so that we can ifdef our dnl own code, except ENABLE_NLS, which is too vague to be of any use. if test "$USE_INCLUDED_LIBINTL" = yes ; then if test "$nls_cv_force_use_gnu_gettext" = yes ; then AC_DEFINE(HAVE_GETTEXT) elif test "$nls_cv_use_gnu_gettext" = yes ; then AC_DEFINE(HAVE_GETTEXT) fi if test -n "$nls_cv_header_intl" ; then AC_DEFINE(HAVE_LIBINTL_H) fi fi ])dnl dnl --------------------------------------------------------------------------- dnl Check if we're accidentally using a cache from a different machine. dnl Derive the system name, as a check for reusing the autoconf cache. dnl dnl If we've packaged config.guess and config.sub, run that (since it does a dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM dnl which is useful in cross-compiles. AC_DEFUN([CF_CHECK_CACHE], [ if test -f $srcdir/config.guess ; then ifelse([$1],,[AC_CANONICAL_HOST],[$1]) system_name="$host_os" else system_name="`(uname -s -r) 2>/dev/null`" if test -z "$system_name" ; then system_name="`(hostname) 2>/dev/null`" fi fi test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name") AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"]) test -z "$system_name" && system_name="$cf_cv_system_name" test -n "$cf_cv_system_name" && AC_MSG_RESULT("Configuring for $cf_cv_system_name") if test ".$system_name" != ".$cf_cv_system_name" ; then AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name)) AC_ERROR("Please remove config.cache and try again.") fi ])dnl dnl --------------------------------------------------------------------------- dnl Check for data that is usually declared in or , e.g., dnl the 'errno' variable. Define a DECL_xxx symbol if we must declare it dnl ourselves. dnl dnl (I would use AC_CACHE_CHECK here, but it will not work when called in a dnl loop from CF_SYS_ERRLIST). dnl dnl $1 = the name to check AC_DEFUN([CF_CHECK_ERRNO], [ AC_MSG_CHECKING(if external $1 is declared) AC_CACHE_VAL(cf_cv_dcl_$1,[ AC_TRY_COMPILE([ #ifdef HAVE_STDLIB_H #include #endif #include #include #include ], [long x = (long) $1], [eval 'cf_cv_dcl_'$1'=yes'], [eval 'cf_cv_dcl_'$1'=no']) ]) eval 'cf_result=$cf_cv_dcl_'$1 AC_MSG_RESULT($cf_result) if test "$cf_result" = no ; then eval 'cf_result=DECL_'$1 CF_UPPER(cf_result,$cf_result) AC_DEFINE_UNQUOTED($cf_result) fi # It's possible (for near-UNIX clones) that the data doesn't exist CF_CHECK_EXTERN_DATA($1,int) ])dnl dnl --------------------------------------------------------------------------- dnl Check for existence of external data in the current set of libraries. If dnl we can modify it, it's real enough. dnl $1 = the name to check dnl $2 = its type AC_DEFUN([CF_CHECK_EXTERN_DATA], [ AC_MSG_CHECKING(if external $1 exists) AC_CACHE_VAL(cf_cv_have_$1,[ AC_TRY_LINK([ #undef $1 extern $2 $1; ], [$1 = 2], [eval 'cf_cv_have_'$1'=yes'], [eval 'cf_cv_have_'$1'=no'])]) eval 'cf_result=$cf_cv_have_'$1 AC_MSG_RESULT($cf_result) if test "$cf_result" = yes ; then eval 'cf_result=HAVE_'$1 CF_UPPER(cf_result,$cf_result) AC_DEFINE_UNQUOTED($cf_result) fi ])dnl dnl --------------------------------------------------------------------------- dnl Check if a function is declared by including a set of include files. dnl Invoke the corresponding actions according to whether it is found or not. dnl dnl Gcc (unlike other compilers) will only warn about the miscast assignment dnl in the first test, but most compilers will oblige with an error in the dnl second test. dnl dnl CF_CHECK_FUNCDECL(INCLUDES, FUNCTION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) AC_DEFUN([CF_CHECK_FUNCDECL], [ AC_MSG_CHECKING([for $2 declaration]) AC_CACHE_VAL(ac_cv_func_decl_$2, [AC_TRY_COMPILE([$1], [#ifndef ${ac_func} extern int ${ac_func}(); #endif],[ AC_TRY_COMPILE([$1], [#ifndef ${ac_func} int (*p)() = ${ac_func}; #endif],[ eval "ac_cv_func_decl_$2=yes"],[ eval "ac_cv_func_decl_$2=no"])],[ eval "ac_cv_func_decl_$2=yes"])]) if eval "test \"`echo '$ac_cv_func_'decl_$2`\" = yes"; then AC_MSG_RESULT(yes) ifelse([$3], , :, [$3]) else AC_MSG_RESULT(no) ifelse([$4], , , [$4 ])dnl fi ])dnl dnl --------------------------------------------------------------------------- dnl Check if functions are declared by including a set of include files. dnl and define DECL_XXX if not. dnl dnl CF_CHECK_FUNCDECLS(INCLUDES, FUNCTION... [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) AC_DEFUN([CF_CHECK_FUNCDECLS], [for ac_func in $2 do CF_CHECK_FUNCDECL([$1], $ac_func, [$3], [ CF_UPPER(ac_tr_func,DECL_$ac_func) AC_DEFINE_UNQUOTED($ac_tr_func) $4])dnl done ])dnl dnl --------------------------------------------------------------------------- dnl Check for IPV6 configuration. AC_DEFUN([CF_CHECK_IPV6],[ CF_FIND_IPV6_TYPE CF_FIND_IPV6_LIBS CF_FUNC_GETADDRINFO if test "$cf_cv_getaddrinfo" != "yes"; then if test "$cf_cv_ipv6type" != "linux"; then AC_MSG_ERROR( [You must get working getaddrinfo() function, or you can specify "--disable-ipv6"]) else AC_MSG_WARN( [The getaddrinfo() implementation on your system seems be buggy. You should upgrade your system library to the newest version of GNU C library (aka glibc).]) fi fi ])dnl dnl --------------------------------------------------------------------------- dnl Check if curses supports color. (Note that while SVr3 curses supports dnl color, it does this differently from SVr4 curses; more work would be needed dnl to accommodate SVr3). dnl AC_DEFUN([CF_COLOR_CURSES], [ AC_MSG_CHECKING(if curses supports color attributes) AC_CACHE_VAL(cf_cv_color_curses,[ AC_TRY_LINK([ #include <${cf_cv_ncurses_header-curses.h}> ], [chtype x = COLOR_BLUE; has_colors(); start_color(); #ifndef NCURSES_BROKEN wbkgd(curscr, getbkgd(stdscr)); /* X/Open XPG4 aka SVr4 Curses */ #endif ], [cf_cv_color_curses=yes], [cf_cv_color_curses=no]) ]) AC_MSG_RESULT($cf_cv_color_curses) if test $cf_cv_color_curses = yes ; then AC_DEFINE(COLOR_CURSES) test ".$cf_cv_ncurses_broken" != .yes && AC_DEFINE(HAVE_GETBKGD) fi ]) dnl --------------------------------------------------------------------------- dnl Look for the curses headers. AC_DEFUN([CF_CURSES_CPPFLAGS],[ AC_CACHE_CHECK(for extra include directories,cf_cv_curses_incdir,[ cf_cv_curses_incdir=no case $host_os in #(vi hpux10.*|hpux11.*) #(vi test -d /usr/include/curses_colr && \ cf_cv_curses_incdir="-I/usr/include/curses_colr" ;; sunos3*|sunos4*) test -d /usr/5lib && \ test -d /usr/5include && \ cf_cv_curses_incdir="-I/usr/5include" ;; esac ]) test "$cf_cv_curses_incdir" != no && CPPFLAGS="$CPPFLAGS $cf_cv_curses_incdir" AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[ cf_cv_ncurses_header=curses.h for cf_header in \ curses.h \ ncurses.h \ ncurses/curses.h \ ncurses/ncurses.h do AC_TRY_COMPILE([#include <${cf_header}>], [initscr(); tgoto("?", 0,0)], [cf_cv_ncurses_header=$cf_header; break],[]) done ]) # cheat, to get the right #define's for HAVE_NCURSES_H, etc. AC_CHECK_HEADERS($cf_cv_ncurses_header) ]) dnl --------------------------------------------------------------------------- dnl Curses-functions are a little complicated, since a lot of them are macros. AC_DEFUN([CF_CURSES_FUNCS], [ AC_REQUIRE([CF_XOPEN_CURSES]) for cf_func in $1 do CF_UPPER(cf_tr_func,$cf_func) AC_MSG_CHECKING(for ${cf_func}) CF_MSG_LOG(${cf_func}) AC_CACHE_VAL(cf_cv_func_$cf_func,[ eval cf_result='$ac_cv_func_'$cf_func if test ".$cf_result" != ".no"; then AC_TRY_LINK([ #ifdef HAVE_XCURSES #include char * XCursesProgramName = "test"; #else #include <${cf_cv_ncurses_header-curses.h}> #if defined(NCURSES_VERSION) && defined(HAVE_NCURSES_TERM_H) #include #else #ifdef HAVE_TERM_H #include #endif #endif #endif], [ #ifndef ${cf_func} long foo = (long)(&${cf_func}); exit(foo == 0); #endif ], [cf_result=yes], [cf_result=no]) fi eval 'cf_cv_func_'$cf_func'=$cf_result' ]) # use the computed/retrieved cache-value: eval 'cf_result=$cf_cv_func_'$cf_func AC_MSG_RESULT($cf_result) if test $cf_result != no; then AC_DEFINE_UNQUOTED(HAVE_${cf_tr_func}) fi done ])dnl dnl --------------------------------------------------------------------------- dnl Look for the curses libraries. Older curses implementations may require dnl termcap/termlib to be linked as well. Call CF_CURSES_CPPFLAGS first. AC_DEFUN([CF_CURSES_LIBS],[ AC_MSG_CHECKING(if we have identified curses libraries) AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>], [initscr(); tgoto("?", 0,0)], cf_result=yes, cf_result=no) AC_MSG_RESULT($cf_result) if test "$cf_result" = no ; then case $host_os in #(vi freebsd*) #(vi AC_CHECK_LIB(mytinfo,tgoto,[LIBS="-lmytinfo $LIBS"]) ;; hpux10.*|hpux11.*) #(vi AC_CHECK_LIB(cur_colr,initscr,[ LIBS="-lcur_colr $LIBS" ac_cv_func_initscr=yes ],[ AC_CHECK_LIB(Hcurses,initscr,[ # HP's header uses __HP_CURSES, but user claims _HP_CURSES. LIBS="-lHcurses $LIBS" CPPFLAGS="-D__HP_CURSES -D_HP_CURSES $CPPFLAGS" ac_cv_func_initscr=yes ])]) ;; linux*) # Suse Linux does not follow /usr/lib convention LIBS="$LIBS -L/lib" ;; sunos3*|sunos4*) test -d /usr/5lib && \ LIBS="$LIBS -L/usr/5lib -lcurses -ltermcap" ac_cv_func_initscr=yes ;; esac if test ".$ac_cv_func_initscr" != .yes ; then cf_save_LIBS="$LIBS" cf_term_lib="" cf_curs_lib="" if test ".${cf_cv_ncurses_version-no}" != .no then cf_check_list="ncurses curses cursesX" else cf_check_list="cursesX curses ncurses" fi # Check for library containing tgoto. Do this before curses library # because it may be needed to link the test-case for initscr. AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[ for cf_term_lib in $cf_check_list termcap termlib unknown do AC_CHECK_LIB($cf_term_lib,tgoto,[break]) done ]) # Check for library containing initscr test "$cf_term_lib" != predefined && test "$cf_term_lib" != unknown && LIBS="-l$cf_term_lib $cf_save_LIBS" for cf_curs_lib in $cf_check_list xcurses jcurses unknown do AC_CHECK_LIB($cf_curs_lib,initscr,[break]) done test $cf_curs_lib = unknown && AC_ERROR(no curses library found) LIBS="-l$cf_curs_lib $cf_save_LIBS" if test "$cf_term_lib" = unknown ; then AC_MSG_CHECKING(if we can link with $cf_curs_lib library) AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>], [initscr()], [cf_result=yes], [cf_result=no]) AC_MSG_RESULT($cf_result) test $cf_result = no && AC_ERROR(Cannot link curses library) elif test "$cf_curs_lib" = "$cf_term_lib" ; then : elif test "$cf_term_lib" != predefined ; then AC_MSG_CHECKING(if we need both $cf_curs_lib and $cf_term_lib libraries) AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>], [initscr(); tgoto((char *)0, 0, 0);], [cf_result=no], [ LIBS="-l$cf_curs_lib -l$cf_term_lib $cf_save_LIBS" AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>], [initscr()], [cf_result=yes], [cf_result=error]) ]) AC_MSG_RESULT($cf_result) fi fi fi ]) dnl --------------------------------------------------------------------------- dnl Solaris 2.x curses provides a "performance" tradeoff according to whether dnl CURS_PERFORMANCE is defined. If defined, the implementation defines macros dnl that access the WINDOW structure. Otherwise, function calls are used. AC_DEFUN([CF_CURS_PERFORMANCE], [ AC_MSG_CHECKING([for curses performance tradeoff]) AC_CACHE_VAL(cf_cv_curs_performance,[ cf_cv_curs_performance=no AC_TRY_COMPILE([ #include <${cf_cv_ncurses_header-curses.h}>],[ #if defined(wbkgdset) && defined(clearok) && defined(getbkgd) int x = ERR; #else int x = ; /* force an error */ #endif ],[ AC_TRY_COMPILE([ #define CURS_PERFORMANCE #include <${cf_cv_ncurses_header-curses.h}>],[ #if defined(wbkgdset) && defined(clearok) && defined(getbkgd) int x = ; /* force an error */ #else int x = ERR; #endif ],[cf_cv_curs_performance=yes])])]) AC_MSG_RESULT($cf_cv_curs_performance) test $cf_cv_curs_performance = yes && AC_DEFINE(CURS_PERFORMANCE) ])dnl dnl --------------------------------------------------------------------------- dnl Check for the flavor of the touchline function, to distinguish between BSD dnl and SYSV. This is needed on NetBSD 1.5 which has a partial implementation dnl of SVR4 curses. AC_DEFUN([CF_CURS_TOUCHLINE],[ AC_CACHE_CHECK(for curses touchline function,cf_cv_curs_touchline,[ AC_TRY_LINK([ #include <${cf_cv_ncurses_header-curses.h}>], [touchline(stdscr, 1,2,3);], [cf_cv_curs_touchline=bsd], [AC_TRY_LINK([ #include <${cf_cv_ncurses_header-curses.h}>], [touchline(stdscr, 1,2);], [cf_cv_curs_touchline=sysv], [cf_cv_curs_touchline=bsd])])]) case "$cf_cv_curs_touchline" in #(vi bsd) #(vi AC_DEFINE(HAVE_BSD_TOUCHLINE) ;; sysv) AC_DEFINE(HAVE_SYSV_TOUCHLINE) ;; esac ])dnl dnl --------------------------------------------------------------------------- dnl Check for a program in the given list $3, defining the corresponding dnl program variable $2. dnl AC_DEFUN([CF_DEFINE_PROG],[ AC_MSG_CHECKING(for $1) AC_CACHE_VAL(cf_cv_$2,[ cf_cv_$2=unknown for cv_path in $3 do if test -f $cv_path ; then cf_cv_$2=$cv_path break fi done ]) AC_MSG_RESULT($cf_cv_$2) AC_DEFINE_UNQUOTED($2,"$cf_cv_$2") ]) dnl --------------------------------------------------------------------------- dnl "dirname" is not portable, so we fake it with a shell script. AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's:/[[^/]]*$::'`])dnl dnl --------------------------------------------------------------------------- dnl You can always use "make -n" to see the actual options, but it's hard to dnl pick out/analyze warning messages when the compile-line is long. dnl dnl Sets: dnl ECHO_LD - symbol to prefix "cc -o" lines dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o) dnl SHOW_CC - symbol to put before explicit "cc -c" lines dnl ECHO_CC - symbol to put before any "cc" line dnl AC_DEFUN([CF_DISABLE_ECHO],[ AC_MSG_CHECKING(if you want to see long compiling messages) CF_ARG_DISABLE(echo, [ --disable-echo display "compiling" commands], [ ECHO_LD='@echo linking [$]@;' RULE_CC=' @echo compiling [$]<' SHOW_CC=' @echo compiling [$]@' ECHO_CC='@' ],[ ECHO_LD='' RULE_CC='# compiling' SHOW_CC='# compiling' ECHO_CC='' ]) AC_MSG_RESULT($enableval) AC_SUBST(ECHO_LD) AC_SUBST(RULE_CC) AC_SUBST(SHOW_CC) AC_SUBST(ECHO_CC) ])dnl dnl --------------------------------------------------------------------------- dnl Check if 'errno' is declared in AC_DEFUN([CF_ERRNO], [ CF_CHECK_ERRNO(errno) ])dnl dnl --------------------------------------------------------------------------- AC_DEFUN([CF_FANCY_CURSES], [ AC_MSG_CHECKING(if curses supports fancy attributes) AC_CACHE_VAL(cf_cv_fancy_curses,[ AC_TRY_LINK([ #include <${cf_cv_ncurses_header-curses.h}> ], [attrset(A_UNDERLINE|A_BOLD|A_REVERSE); wattrset(stdscr, A_BLINK|A_DIM); attroff(A_BOLD); keypad(stdscr,TRUE); ], [cf_cv_fancy_curses=yes], [cf_cv_fancy_curses=no]) ]) AC_MSG_RESULT($cf_cv_fancy_curses) test $cf_cv_fancy_curses = yes && AC_DEFINE(FANCY_CURSES) ]) dnl --------------------------------------------------------------------------- dnl Based on the IPV6 stack type, look for the corresponding library. AC_DEFUN([CF_FIND_IPV6_LIBS],[ AC_REQUIRE([CF_FIND_IPV6_TYPE]) cf_ipv6lib=none cf_ipv6dir=none AC_MSG_CHECKING(for ipv6 library if required) case $cf_cv_ipv6type in #(vi solaris) #(vi ;; inria) #(vi ;; kame) #(vi dnl http://www.kame.net/ cf_ipv6lib=inet6 cf_ipv6dir=v6 ;; linux-glibc) #(vi ;; linux-libinet6) #(vi dnl http://www.v6.linux.or.jp/ cf_ipv6lib=inet6 cf_ipv6dir=inet6 ;; toshiba) #(vi cf_ipv6lib=inet6 cf_ipv6dir=v6 ;; v6d) #(vi cf_ipv6lib=v6 cf_ipv6dir=v6 ;; zeta) cf_ipv6lib=inet6 cf_ipv6dir=v6 ;; esac AC_MSG_RESULT($cf_ipv6lib) if test "$cf_ipv6lib" != "none"; then AC_TRY_LINK([ #include #include #include #include ], [getaddrinfo(0, 0, 0, 0)],,[ CF_HEADER_PATH(cf_search,$cf_ipv6dir) for cf_incdir in $cf_search do cf_header=$cf_incdir/netinet/ip6.h if test -f $cf_header then CPPFLAGS="$CPPFLAGS -I$cf_incdir" test -n "$verbose" && echo " ... found $cf_header" 1>&AC_FD_MSG break fi test -n "$verbose" && echo " ... tested $cf_header" 1>&AC_FD_MSG done ]) CF_FIND_LIBRARY([$cf_ipv6lib],[$cf_ipv6dir],[ #include #include #include #include ], [getaddrinfo(0, 0, 0, 0)], [getaddrinfo], noexit) if test $cf_found_library = no ; then AC_MSG_ERROR( [No $cf_ipv6lib library found, cannot continue. You must fetch lib$cf_ipv6lib.a from an appropriate ipv6 kit and compile beforehand.]) fi fi ])dnl dnl --------------------------------------------------------------------------- AC_DEFUN([CF_FIND_IPV6_TYPE],[ AC_CACHE_CHECK(ipv6 stack type, cf_cv_ipv6type, [ cf_cv_ipv6type=unknown for i in solaris inria kame linux-glibc linux-libinet6 toshiba v6d zeta do case $i in #(vi solaris) #(vi if test "SunOS" = "`uname -s`" then if test -f /usr/include/netinet/ip6.h then cf_cv_ipv6type=$i fi fi ;; inria) #(vi dnl http://www.kame.net/ AC_EGREP_CPP(yes, [dnl #include #ifdef IPV6_INRIA_VERSION yes #endif], [cf_cv_ipv6type=$i]) ;; kame) #(vi dnl http://www.kame.net/ AC_EGREP_CPP(yes, [dnl #include #ifdef __KAME__ yes #endif], [cf_cv_ipv6type=$i]) ;; linux-glibc) #(vi dnl http://www.v6.linux.or.jp/ AC_EGREP_CPP(yes, [dnl #include #if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1 yes #endif], [cf_cv_ipv6type=$i]) ;; linux-libinet6) #(vi dnl http://www.v6.linux.or.jp/ if test -d /usr/inet6 then cf_cv_ipv6type=$i elif test -f /usr/include/netinet/ip6.h then cf_cv_ipv6type=$i fi ;; toshiba) #(vi AC_EGREP_CPP(yes, [dnl #include #ifdef _TOSHIBA_INET6 yes #endif], [cf_cv_ipv6type=$i]) ;; v6d) #(vi AC_EGREP_CPP(yes, [dnl #include #ifdef __V6D__ yes #endif], [cf_cv_ipv6type=$i]) ;; zeta) AC_EGREP_CPP(yes, [dnl #include #ifdef _ZETA_MINAMI_INET6 yes #endif], [cf_cv_ipv6type=$i]) ;; esac if test "$cf_cv_ipv6type" != "unknown"; then break fi done ]) ])dnl dnl --------------------------------------------------------------------------- dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We dnl prefer a standard location, and use -L options only if we do not find the dnl library in the standard library location(s). dnl $1 = library name dnl $2 = library class, usually the same as library name dnl $3 = includes dnl $4 = code fragment to compile/link dnl $5 = corresponding function-name dnl $6 = flag, nonnull if failure causes an error-exit dnl dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had dnl to use a -L option. AC_DEFUN([CF_FIND_LIBRARY], [ eval 'cf_cv_have_lib_'$1'=no' cf_libdir="" AC_CHECK_FUNC($5, eval 'cf_cv_have_lib_'$1'=yes',[ cf_save_LIBS="$LIBS" AC_MSG_CHECKING(for $5 in -l$1) LIBS="-l$1 $LIBS" AC_TRY_LINK([$3],[$4], [AC_MSG_RESULT(yes) eval 'cf_cv_have_lib_'$1'=yes' ], [AC_MSG_RESULT(no) CF_LIBRARY_PATH(cf_search,$2) for cf_libdir in $cf_search do AC_MSG_CHECKING(for -l$1 in $cf_libdir) LIBS="-L$cf_libdir -l$1 $cf_save_LIBS" AC_TRY_LINK([$3],[$4], [AC_MSG_RESULT(yes) eval 'cf_cv_have_lib_'$1'=yes' break], [AC_MSG_RESULT(no) LIBS="$cf_save_LIBS"]) done ]) ]) eval 'cf_found_library=[$]cf_cv_have_lib_'$1 ifelse($6,,[ if test $cf_found_library = no ; then AC_ERROR(Cannot link $1 library) fi ]) ])dnl dnl --------------------------------------------------------------------------- dnl Check for availability of fcntl versus ioctl(,FIONBIO,). Lynx uses this dnl for Sequent (ptx), and it is needed for OS/2 EMX. AC_DEFUN([CF_FIONBIO], [ AC_CACHE_CHECK(if we should use fcntl or ioctl,cf_cv_fionbio,[ AC_TRY_LINK([ #include #include ],[ int ret = ioctl(0, FIONBIO, (char *)0); ],[cf_cv_fionbio=ioctl],[ AC_TRY_LINK([ #include #if HAVE_FCNTL_H #include #else #if HAVE_SYS_FCNTL_H #include #endif #endif],[ int ret = fcntl(0, F_SETFL, O_NONBLOCK); ], [cf_cv_fionbio=fcntl], [cf_cv_fionbio=unknown])]) ]) test "$cf_cv_fionbio" = "fcntl" && AC_DEFINE(USE_FCNTL) ])dnl dnl --------------------------------------------------------------------------- dnl Look for a working version of getaddrinfo(), for IPV6 support. AC_DEFUN([CF_FUNC_GETADDRINFO],[ AC_CACHE_CHECK(working getaddrinfo, cf_cv_getaddrinfo,[ AC_TRY_RUN([ #include #include #include #include #include #define expect(a,b) if (strcmp(a,b) != 0) goto bad int main() { int passive, gaierr, inet4 = 0, inet6 = 0; struct addrinfo hints, *ai, *aitop; char straddr[INET6_ADDRSTRLEN], strport[16]; for (passive = 0; passive <= 1; passive++) { memset(&hints, 0, sizeof(hints)); hints.ai_family = AF_UNSPEC; hints.ai_flags = passive ? AI_PASSIVE : 0; hints.ai_socktype = SOCK_STREAM; if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) { (void)gai_strerror(gaierr); goto bad; } for (ai = aitop; ai; ai = ai->ai_next) { if (ai->ai_addr == NULL || ai->ai_addrlen == 0 || getnameinfo(ai->ai_addr, ai->ai_addrlen, straddr, sizeof(straddr), strport, sizeof(strport), NI_NUMERICHOST|NI_NUMERICSERV) != 0) { goto bad; } switch (ai->ai_family) { case AF_INET: expect(strport, "54321"); if (passive) { expect(straddr, "0.0.0.0"); } else { expect(straddr, "127.0.0.1"); } inet4++; break; case AF_INET6: expect(strport, "54321"); if (passive) { expect(straddr, "::"); } else { expect(straddr, "::1"); } inet6++; break; case AF_UNSPEC: goto bad; break; default: /* another family support? */ break; } } } if (!(inet4 == 0 || inet4 == 2)) goto bad; if (!(inet6 == 0 || inet6 == 2)) goto bad; if (aitop) freeaddrinfo(aitop); exit(0); bad: if (aitop) freeaddrinfo(aitop); exit(1); } ], [cf_cv_getaddrinfo=yes], [cf_cv_getaddrinfo=no], [cf_cv_getaddrinfo=unknown]) ]) if test "$cf_cv_getaddrinfo" = yes ; then AC_DEFINE(HAVE_GAI_STRERROR) AC_DEFINE(HAVE_GETADDRINFO) fi ])dnl dnl --------------------------------------------------------------------------- dnl A conventional existence-check for 'lstat' won't work with the Linux dnl version of gcc 2.7.0, since the symbol is defined only within dnl as an inline function. dnl dnl So much for portability. AC_DEFUN([CF_FUNC_LSTAT], [ AC_MSG_CHECKING(for lstat) AC_CACHE_VAL(ac_cv_func_lstat,[ AC_TRY_LINK([ #include #include ], [lstat(".", (struct stat *)0)], [ac_cv_func_lstat=yes], [ac_cv_func_lstat=no]) ]) AC_MSG_RESULT($ac_cv_func_lstat ) if test $ac_cv_func_lstat = yes; then AC_DEFINE(HAVE_LSTAT) fi ])dnl dnl --------------------------------------------------------------------------- dnl Check if we have the sigaction function and related structures. AC_DEFUN([CF_FUNC_SIGACTION],[ AC_CACHE_CHECK(for sigaction and structs,cf_cv_func_sigaction,[ AC_TRY_LINK([ #include #include ], [struct sigaction act; act.sa_handler = SIG_DFL; #ifdef SA_RESTART act.sa_flags |= SA_RESTART; #endif /* SA_RESTART */ sigaction(1, &act, 0); ], [cf_cv_func_sigaction=yes], [cf_cv_func_sigaction=no]) ]) test "$cf_cv_func_sigaction" = yes && AC_DEFINE(HAVE_SIGACTION) ])dnl dnl --------------------------------------------------------------------------- dnl Test for the presence of , 'union wait', arg-type of 'wait()' dnl and/or 'waitpid()'. dnl dnl Note that we cannot simply grep for 'union wait' in the wait.h file, dnl because some Posix systems turn this on only when a BSD variable is dnl defined. dnl dnl I don't use AC_HEADER_SYS_WAIT, because it defines HAVE_SYS_WAIT_H, which dnl would conflict with an attempt to test that header directly. dnl AC_DEFUN([CF_FUNC_WAIT], [ AC_REQUIRE([CF_UNION_WAIT]) if test $cf_cv_type_unionwait = yes; then AC_MSG_CHECKING(if union wait can be used as wait-arg) AC_CACHE_VAL(cf_cv_arg_union_wait,[ AC_TRY_COMPILE($cf_wait_headers, [union wait x; wait(&x)], [cf_cv_arg_union_wait=yes], [cf_cv_arg_union_wait=no]) ]) AC_MSG_RESULT($cf_cv_arg_union_wait) test $cf_cv_arg_union_wait = yes && AC_DEFINE(WAIT_USES_UNION) AC_MSG_CHECKING(if union wait can be used as waitpid-arg) AC_CACHE_VAL(cf_cv_arg_union_waitpid,[ AC_TRY_COMPILE($cf_wait_headers, [union wait x; waitpid(0, &x, 0)], [cf_cv_arg_union_waitpid=yes], [cf_cv_arg_union_waitpid=no]) ]) AC_MSG_RESULT($cf_cv_arg_union_waitpid) test $cf_cv_arg_union_waitpid = yes && AC_DEFINE(WAITPID_USES_UNION) fi ])dnl dnl --------------------------------------------------------------------------- dnl Test for availability of useful gcc __attribute__ directives to quiet dnl compiler warnings. Though useful, not all are supported -- and contrary dnl to documentation, unrecognized directives cause older compilers to barf. AC_DEFUN([CF_GCC_ATTRIBUTES], [ if test "$GCC" = yes then cat > conftest.i < conftest.$ac_ext <&AC_FD_CC case $cf_attribute in scanf|printf) cat >conftest.h <conftest.h <>confdefs.h # else # sed -e 's/__attr.*/\/*nothing*\//' conftest.h >>confdefs.h fi done else fgrep define conftest.i >>confdefs.h fi rm -rf conftest* fi ])dnl dnl --------------------------------------------------------------------------- dnl Check if the compiler supports useful warning options. There's a few that dnl we don't use, simply because they're too noisy: dnl dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x) dnl -Wredundant-decls (system headers make this too noisy) dnl -Wtraditional (combines too many unrelated messages, only a few useful) dnl -Wwrite-strings (too noisy, but should review occasionally) dnl -pedantic dnl AC_DEFUN([CF_GCC_WARNINGS], [ if test "$GCC" = yes then cat > conftest.$ac_ext <],[ #ifndef _XOPEN_SOURCE make an error #endif], [cf_cv_gnu_source=no], [cf_save="$CPPFLAGS" CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" AC_TRY_COMPILE([#include ],[ #ifdef _XOPEN_SOURCE make an error #endif], [cf_cv_gnu_source=no], [cf_cv_gnu_source=yes]) CPPFLAGS="$cf_save" ]) ]) test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" ])dnl dnl --------------------------------------------------------------------------- dnl Construct a search-list for a nonstandard header-file AC_DEFUN([CF_HEADER_PATH], [$1="" test "$includedir" != NONE && \ test -d "$includedir" && \ $1="[$]$1 $includedir $includedir/$2" test "$oldincludedir" != NONE && \ test -d "$oldincludedir" && \ $1="[$]$1 $oldincludedir $oldincludedir/$2" test "$prefix" != NONE && \ test -d "$prefix" && \ $1="[$]$1 $prefix/include $prefix/include/$2 $prefix/$2/include" test "$prefix" != /usr/local && \ test -d /usr/local && \ $1="[$]$1 /usr/local/include /usr/local/include/$2 /usr/local/$2/include" test "$prefix" != /usr && \ $1="[$]$1 /usr/include /usr/include/$2 /usr/$2/include" test "$prefix" != /opt && \ test -d /opt && \ $1="[$]$1 /opt/include /opt/include/$2 /opt/$2/include" $1="[$]$1 [$]HOME/lib [$]HOME/lib/$2 [$]HOME/$2/lib" ])dnl dnl --------------------------------------------------------------------------- dnl Insert text into the help-message, for readability, from AC_ARG_WITH. AC_DEFUN([CF_HELP_MESSAGE], [AC_DIVERT_HELP([$1])dnl ])dnl dnl --------------------------------------------------------------------------- dnl For Lynx, check if the libraries we have found give us inet_aton, or dnl inet_addr. If not, try to find the latter function with -lbind or dnl -lresolv, and put that on the end of the libraries, i.e., after the network dnl libraries. dnl dnl FIXME: the inner cases will probably need work on the header files. AC_DEFUN([CF_INET_ADDR],[ AC_CACHE_CHECK(for inet_aton function,cf_cv_have_inet_aton,[ AC_TRY_LINK([#include #include #include #include ],[inet_aton(0, (struct in_addr *)0)], [cf_cv_have_inet_aton=yes], [cf_cv_have_inet_aton=no])]) if test "$cf_cv_have_inet_aton" = yes ; then AC_DEFINE(HAVE_INET_ATON) else AC_CACHE_CHECK(for inet_addr function,cf_cv_have_inet_addr,[ AC_TRY_LINK([#include #include #include #include ],[inet_addr(0)], [cf_cv_have_inet_addr=yes], [cf_cv_have_inet_addr=no])]) if test "$cf_cv_have_inet_addr" = no ; then AC_CACHE_CHECK(for library with inet_addr,cf_cv_lib_inet_addr,[ cf_save_LIBS="$LIBS" for cf_inetlib in -lbind -lresolv do LIBS="$cf_save_LIBS $cf_inetlib" AC_TRY_LINK([#include #include #include #include ],[inet_addr(0)], [cf_cv_lib_inet_addr=$cf_inetlib], [cf_cv_lib_inet_addr=no]) LIBS="$cf_save_LIBS" test "$cf_cv_lib_inet_addr" != no && break done ]) if test "$cf_cv_lib_inet_addr" != no ; then LIBS="$LIBS $cf_cv_lib_inet_addr" else AC_MSG_WARN(Unable to find library for inet_addr function) fi fi fi ])dnl dnl --------------------------------------------------------------------------- dnl Check for header defining _PATH_LASTLOG, or failing that, see if the lastlog dnl file exists. AC_DEFUN([CF_LASTLOG], [ AC_CHECK_HEADERS(lastlog.h paths.h) AC_CACHE_CHECK(for lastlog path,cf_cv_path_lastlog,[ AC_TRY_COMPILE([ #include #ifdef HAVE_LASTLOG_H #include #else #ifdef HAVE_PATHS_H #include #endif #endif],[char *path = _PATH_LASTLOG], [cf_cv_path_lastlog="_PATH_LASTLOG"], [if test -f /usr/adm/lastlog ; then cf_cv_path_lastlog=/usr/adm/lastlog else cf_cv_path_lastlog=no fi]) ]) test $cf_cv_path_lastlog != no && AC_DEFINE(USE_LASTLOG) ] )dnl dnl --------------------------------------------------------------------------- dnl Construct a search-list for a nonstandard library-file AC_DEFUN([CF_LIBRARY_PATH], [$1="" test "$libdir" != NONE && \ test -d $libdir && \ $1="[$]$1 $libdir $libdir/$2" test "$exec_prefix" != NONE && \ test -d $exec_prefix && \ $1="[$]$1 $exec_prefix/lib $exec_prefix/lib/$2" test "$prefix" != NONE && \ test "$prefix" != "$exec_prefix" && \ test -d $prefix && \ $1="[$]$1 $prefix/lib $prefix/lib/$2 $prefix/$2/lib" test "$prefix" != /usr/local && \ test -d /usr/local && \ $1="[$]$1 /usr/local/lib /usr/local/lib/$2 /usr/local/$2/lib" test "$prefix" != /usr && \ $1="[$]$1 /usr/lib /usr/lib/$2 /usr/$2/lib" test "$prefix" != / && \ $1="[$]$1 /lib /lib/$2 /$2/lib" test "$prefix" != /opt && \ test -d /opt && \ $1="[$]$1 /opt/lib /opt/lib/$2 /opt/$2/lib" $1="[$]$1 [$]HOME/lib [$]HOME/lib/$2 [$]HOME/$2/lib" ])dnl dnl --------------------------------------------------------------------------- dnl Check if we've got setlocale() and its header, AC_DEFUN([CF_LOCALE], [ AC_MSG_CHECKING(for setlocale()) AC_CACHE_VAL(cf_cv_locale,[ AC_TRY_LINK([#include ], [setlocale(LC_ALL, "")], [cf_cv_locale=yes], [cf_cv_locale=no]) ]) AC_MSG_RESULT($cf_cv_locale) test $cf_cv_locale = yes && AC_DEFINE(LOCALE) ]) dnl --------------------------------------------------------------------------- dnl Write a debug message to config.log, along with the line number in the dnl configure script. AC_DEFUN([CF_MSG_LOG],[ echo "(line __oline__) testing $* ..." 1>&AC_FD_CC ])dnl dnl --------------------------------------------------------------------------- dnl Check for pre-1.9.9g ncurses (among other problems, the most obvious is dnl that color combinations don't work). AC_DEFUN([CF_NCURSES_BROKEN], [ AC_REQUIRE([CF_NCURSES_VERSION]) if test "$cf_cv_ncurses_version" != no ; then AC_MSG_CHECKING(for obsolete/broken version of ncurses) AC_CACHE_VAL(cf_cv_ncurses_broken,[ AC_TRY_COMPILE([ #include <${cf_cv_ncurses_header-curses.h}>],[ #if defined(NCURSES_VERSION) && defined(wgetbkgd) make an error #else int x = 1 #endif ], [cf_cv_ncurses_broken=no], [cf_cv_ncurses_broken=yes]) ]) AC_MSG_RESULT($cf_cv_ncurses_broken) if test "$cf_cv_ncurses_broken" = yes ; then AC_MSG_WARN(hmm... you should get an up-to-date version of ncurses) AC_DEFINE(NCURSES_BROKEN) fi fi ])dnl dnl --------------------------------------------------------------------------- dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting dnl the CPPFLAGS variable so we can include its header. dnl dnl The header files may be installed as either curses.h, or ncurses.h (would dnl be obsolete, except that some packagers prefer this name to distinguish it dnl from a "native" curses implementation). If not installed for overwrite, dnl the curses.h file would be in an ncurses subdirectory (e.g., dnl /usr/include/ncurses), but someone may have installed overwriting the dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in dnl the header. dnl dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header dnl is already in the include-path, don't even bother with this, since we cannot dnl easily determine which file it is. In this case, it has to be . dnl AC_DEFUN([CF_NCURSES_CPPFLAGS], [ AC_CACHE_CHECK(for ncurses header in include-path, cf_cv_ncurses_h,[ for cf_header in \ curses.h \ ncurses.h \ ncurses/curses.h \ ncurses/ncurses.h do AC_TRY_COMPILE([#include <$cf_header>],[ #ifdef NCURSES_VERSION printf("%s\n", NCURSES_VERSION); #else #ifdef __NCURSES_H printf("old\n"); #else make an error #endif #endif ] ,[cf_cv_ncurses_h=$cf_header; break] ,[cf_cv_ncurses_h=no]) done ]) if test "$cf_cv_ncurses_h" != no ; then cf_cv_ncurses_header=$cf_cv_ncurses_h else AC_CACHE_CHECK(for ncurses include-path, cf_cv_ncurses_h2,[ CF_HEADER_PATH(cf_search,ncurses) test -n "$verbose" && echo for cf_incdir in $cf_search do for cf_header in \ ncurses.h \ curses.h do if egrep "NCURSES_[[VH]]" $cf_incdir/$cf_header 1>&AC_FD_CC 2>&1; then cf_cv_ncurses_h2=$cf_incdir/$cf_header test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG break fi test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG done test -n "$cf_cv_ncurses_h2" && break done test -z "$cf_cv_ncurses_h2" && AC_ERROR(not found) ]) CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2) CF_DIRNAME(cf_2nd_incdir,$cf_1st_incdir) cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2` echo cf_1st_include=$cf_1st_incdir echo cf_2nd_include=$cf_2nd_incdir if test `basename $cf_1st_incdir` = ncurses ; then cf_cv_ncurses_header=ncurses/$cf_cv_ncurses_header CF_ADD_INCDIR($cf_2nd_incdir) fi CF_ADD_INCDIR($cf_1st_incdir) fi AC_DEFINE(NCURSES) case $cf_cv_ncurses_header in # (vi *ncurses.h) AC_DEFINE(HAVE_NCURSES_H) ;; esac case $cf_cv_ncurses_header in # (vi ncurses/curses.h|ncurses/ncurses.h) AC_DEFINE(HAVE_NCURSES_NCURSES_H) ;; esac CF_NCURSES_VERSION ])dnl dnl --------------------------------------------------------------------------- dnl Look for the ncurses library. This is a little complicated on Linux, dnl because it may be linked with the gpm (general purpose mouse) library. dnl Some distributions have gpm linked with (bsd) curses, which makes it dnl unusable with ncurses. However, we don't want to link with gpm unless dnl ncurses has a dependency, since gpm is normally set up as a shared library, dnl and the linker will record a dependency. AC_DEFUN([CF_NCURSES_LIBS], [AC_REQUIRE([CF_NCURSES_CPPFLAGS]) # This works, except for the special case where we find gpm, but # ncurses is in a nonstandard location via $LIBS, and we really want # to link gpm. cf_ncurses_LIBS="" cf_ncurses_SAVE="$LIBS" AC_CHECK_LIB(gpm,Gpm_Open, [AC_CHECK_LIB(gpm,initscr, [LIBS="$cf_ncurses_SAVE"], [cf_ncurses_LIBS="-lgpm"])]) case $host_os in #(vi freebsd*) # This is only necessary if you are linking against an obsolete # version of ncurses (but it should do no harm, since it's static). AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"]) ;; esac LIBS="$cf_ncurses_LIBS $LIBS" CF_FIND_LIBRARY(ncurses,ncurses, [#include <${cf_cv_ncurses_header-curses.h}>], [initscr()], initscr) if test -n "$cf_ncurses_LIBS" ; then AC_MSG_CHECKING(if we can link ncurses without $cf_ncurses_LIBS) cf_ncurses_SAVE="$LIBS" for p in $cf_ncurses_LIBS ; do q=`echo $LIBS | sed -e 's/'$p' //' -e 's/'$p'$//'` if test "$q" != "$LIBS" ; then LIBS="$q" fi done AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>], [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);], [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no) LIBS="$cf_ncurses_SAVE"]) fi ])dnl dnl --------------------------------------------------------------------------- dnl Check for the version of ncurses, to aid in reporting bugs, etc. dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi. AC_DEFUN([CF_NCURSES_VERSION], [ AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[ cf_cv_ncurses_version=no cf_tempfile=out$$ rm -f $cf_tempfile AC_TRY_RUN([ #include <${cf_cv_ncurses_header-curses.h}> #include int main() { FILE *fp = fopen("$cf_tempfile", "w"); #ifdef NCURSES_VERSION # ifdef NCURSES_VERSION_PATCH fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH); # else fprintf(fp, "%s\n", NCURSES_VERSION); # endif #else # ifdef __NCURSES_H fprintf(fp, "old\n"); # else make an error # endif #endif exit(0); }],[ cf_cv_ncurses_version=`cat $cf_tempfile`],,[ # This will not work if the preprocessor splits the line after the # Autoconf token. The 'unproto' program does that. cat > conftest.$ac_ext < #undef Autoconf #ifdef NCURSES_VERSION Autoconf NCURSES_VERSION #else #ifdef __NCURSES_H Autoconf "old" #endif ; #endif EOF cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out" AC_TRY_EVAL(cf_try) if test -f conftest.out ; then cf_out=`cat conftest.out | sed -e 's@^Autoconf @@' -e 's@^[[^"]]*"@@' -e 's@".*@@'` test -n "$cf_out" && cf_cv_ncurses_version="$cf_out" rm -f conftest.out fi ]) rm -f $cf_tempfile ]) test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES) ]) dnl --------------------------------------------------------------------------- dnl After checking for functions in the default $LIBS, make a further check dnl for the functions that are netlib-related (these aren't always in the dnl libc, etc., and have to be handled specially because there are conflicting dnl and broken implementations. dnl Common library requirements (in order): dnl -lresolv -lsocket -lnsl dnl -lnsl -lsocket dnl -lsocket dnl -lbsd AC_DEFUN([CF_NETLIBS],[ cf_test_netlibs=no AC_MSG_CHECKING(for network libraries) AC_CACHE_VAL(cf_cv_netlibs,[ AC_MSG_RESULT(working...) cf_cv_netlibs="" cf_test_netlibs=yes AC_CHECK_FUNCS(gethostname,,[ CF_RECHECK_FUNC(gethostname,nsl,cf_cv_netlibs,[ CF_RECHECK_FUNC(gethostname,socket,cf_cv_netlibs)])]) # # FIXME: sequent needs this library (i.e., -lsocket -linet -lnsl), but # I don't know the entrypoints - 97/7/22 TD # AC_HAVE_LIBRARY(inet,cf_cv_netlibs="-linet $cf_cv_netlibs") AC_CHECK_LIB(inet, main, cf_cv_netlibs="-linet $cf_cv_netlibs") # if test "$ac_cv_func_lsocket" != no ; then AC_CHECK_FUNCS(socket,,[ CF_RECHECK_FUNC(socket,socket,cf_cv_netlibs,[ CF_RECHECK_FUNC(socket,bsd,cf_cv_netlibs)])]) fi # AC_CHECK_FUNCS(gethostbyname,,[ CF_RECHECK_FUNC(gethostbyname,nsl,cf_cv_netlibs)]) # AC_CHECK_FUNCS(strcasecmp,,[ CF_RECHECK_FUNC(strcasecmp,resolv,cf_cv_netlibs)]) ]) LIBS="$LIBS $cf_cv_netlibs" test $cf_test_netlibs = no && echo "$cf_cv_netlibs" >&AC_FD_MSG ])dnl dnl --------------------------------------------------------------------------- dnl Check for the symbol NGROUPS AC_DEFUN([CF_NGROUPS], [ AC_MSG_CHECKING(if NGROUPS is defined) AC_CACHE_VAL(cf_cv_ngroups,[ AC_TRY_COMPILE([ #if HAVE_SYS_PARAM_H #include #endif #if HAVE_LIMITS_H #include #endif ],[int x = NGROUPS], [cf_cv_ngroups=yes], [AC_TRY_COMPILE([ #if HAVE_SYS_PARAM_H #include #endif #if HAVE_LIMITS_H #include #endif ],[int x = NGROUPS_MAX], [cf_cv_ngroups=NGROUPS_MAX], [cf_cv_ngroups=no]) ]) AC_MSG_RESULT($cf_cv_ngroups) if test "$cf_cv_ngroups" = no ; then AC_DEFINE(NGROUPS,16) elif test "$cf_cv_ngroups" = NGROUPS_MAX ; then AC_DEFINE(NGROUPS,NGROUPS_MAX) fi ]) ])dnl dnl --------------------------------------------------------------------------- dnl Check if we use the messages included with this program AC_DEFUN([CF_OUR_MESSAGES], [ use_our_messages=no if test "$USE_NLS" = yes ; then if test -d $srcdir/po ; then AC_MSG_CHECKING(if we should use included message-library) AC_ARG_ENABLE(included-msgs, [ --enable-included-msgs use included messages, for i18n support], [use_our_messages=$enableval], [use_our_messages=yes]) fi AC_MSG_RESULT($use_our_messages) fi test $use_our_messages = yes && USE_OUR_MESSAGES= AC_SUBST(USE_OUR_MESSAGES) ])dnl dnl --------------------------------------------------------------------------- dnl Provide a value for the $PATH and similar separator AC_DEFUN([CF_PATHSEP], [ case $cf_cv_system_name in os2*) PATHSEP=';' ;; *) PATHSEP=':' ;; esac ifelse($1,,,[$1=$PATHSEP]) AC_SUBST(PATHSEP) ])dnl dnl --------------------------------------------------------------------------- dnl Check for a given program, defining corresponding symbol. dnl $1 = environment variable, which is suffixed by "_PATH" in the #define. dnl $2 = program name to find. dnl dnl If there is more than one token in the result, #define the remaining tokens dnl to $1_ARGS. We need this for 'install' in particular. dnl dnl FIXME: we should allow this to be overridden by environment variables dnl AC_DEFUN([CF_PATH_PROG],[ test -z "[$]$1" && $1=$2 if test "$with_full_paths" = yes ; then AC_PATH_PROG($1,$2,[$]$1) else AC_MSG_CHECKING(for $2) AC_MSG_RESULT([$]$1) eval 'ac_cv_path_'$1'="'$2'"' fi cf_path_prog="" cf_path_args="" IFS="${IFS= }"; cf_save_ifs="$IFS" case $host_os in #(vi os2*) #(vi IFS="${IFS};" ;; *) IFS="${IFS}:" ;; esac for cf_temp in $ac_cv_path_$1 do if test -z "$cf_path_prog" ; then cf_path_prog="$cf_temp" elif test -z "$cf_path_args" ; then cf_path_args="$cf_temp" else cf_path_args="$cf_path_args $cf_temp" fi done IFS="$cf_save_ifs" AC_DEFINE_UNQUOTED($1_PATH,"$cf_path_prog") test -n "$cf_path_args" && AC_DEFINE_UNQUOTED($1_ARGS,"$cf_path_args") ])dnl dnl --------------------------------------------------------------------------- dnl Check the argument to see that it looks like a pathname. Rewrite it if it dnl begins with one of the prefix/exec_prefix variables, and then again if the dnl result begins with 'NONE'. This is necessary to workaround autoconf's dnl delayed evaluation of those symbols. AC_DEFUN([CF_PATH_SYNTAX],[ case ".[$]$1" in #(vi ./*) #(vi ;; .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX ;; .\[$]{*prefix}*) #(vi eval $1="[$]$1" case ".[$]$1" in #(vi .NONE/*) $1=`echo [$]$1 | sed -e s@NONE@$ac_default_prefix@` ;; esac ;; #(vi .NONE/*) $1=`echo [$]$1 | sed -e s@NONE@$ac_default_prefix@` ;; *) AC_ERROR(expected a pathname, not "[$]$1") ;; esac ])dnl dnl --------------------------------------------------------------------------- dnl Configure for PDCurses' X11 library AC_DEFUN([CF_PDCURSES_X11],[ AC_REQUIRE([CF_X_ATHENA]) LDFLAGS="$LDFLAGS $X_LIBS" CF_ADD_CFLAGS($X_CFLAGS) AC_CHECK_LIB(X11,XOpenDisplay, [LIBS="-lX11 $LIBS"],, [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS]) AC_CACHE_CHECK(for XCurses library,cf_cv_lib_XCurses,[ LIBS="-lXCurses $LIBS" AC_TRY_LINK([ #include char *XCursesProgramName = "test"; ],[XCursesExit();], [cf_cv_lib_XCurses=yes], [cf_cv_lib_XCurses=no]) ]) if test $cf_cv_lib_XCurses = yes ; then AC_DEFINE(UNIX) AC_DEFINE(XCURSES) AC_DEFINE(HAVE_XCURSES) else AC_ERROR(Cannot link with XCurses) fi ]) dnl --------------------------------------------------------------------------- dnl Re-check on a function to see if we can pick it up by adding a library. dnl $1 = function to check dnl $2 = library to check in dnl $3 = environment to update (e.g., $LIBS) dnl $4 = what to do if this fails dnl dnl This uses 'unset' if the shell happens to support it, but leaves the dnl configuration variable set to 'unknown' if not. This is a little better dnl than the normal autoconf test, which gives misleading results if a test dnl for the function is made (e.g., with AC_CHECK_FUNC) after this macro is dnl used (autoconf does not distinguish between a null token and one that is dnl set to 'no'). AC_DEFUN([CF_RECHECK_FUNC],[ AC_CHECK_LIB($2,$1,[ CF_UPPER(cf_tr_func,$1) AC_DEFINE_UNQUOTED(HAVE_$cf_tr_func) ac_cv_func_$1=yes if test "$cf_used_lib_$2" != yes ; then cf_used_lib_$2=yes; $3="-l$2 [$]$3"; fi],[ ac_cv_func_$1=unknown unset ac_cv_func_$1 2>/dev/null $4], [[$]$3]) ])dnl dnl --------------------------------------------------------------------------- dnl Check for broken definition of 'remove()'. This is (in particular) broken dnl on the older version of SCO (I'd cite version if I knew where to look) by dnl having #define remove to __unlink, which appears in no library. dnl dnl Fortuitously, we can combine this with a more general test: do we have dnl 'unlink()' but no 'remove()'. Note, however, that we cannot simply #define dnl remove to unlink, but have to make a fallback function. dnl AC_DEFUN([CF_REMOVE_BROKEN], [ AC_MSG_CHECKING(for broken/missing definition of remove) AC_CACHE_VAL(cf_cv_baddef_remove,[ AC_TRY_LINK( [#include ], [remove("dummy")], [cf_cv_baddef_remove=no], [AC_TRY_LINK( [#include int __unlink(name) { return unlink(name); } ], [remove("dummy")], [cf_cv_baddef_remove=yes], [cf_cv_baddef_remove=unknown]) ]) ]) AC_MSG_RESULT($cf_cv_baddef_remove) test "$cf_cv_baddef_remove" != no && AC_DEFINE(NEED_REMOVE) ])dnl dnl --------------------------------------------------------------------------- dnl Check if 'errno' is declared in a fashion that lets us set it. AC_DEFUN([CF_SET_ERRNO], [ AC_CACHE_CHECK(if we can set errno,cf_cv_set_errno,[ AC_TRY_RUN([ #include int main() { errno = 255; exit(errno != 255); }], [cf_cv_set_errno=yes], [cf_cv_set_errno=no], [AC_TRY_LINK( [#include ], [errno = 255], [cf_cv_set_errno=maybe], [cf_cv_set_errno=no])]) ]) test "$cf_cv_set_errno" != no && AC_DEFINE(CAN_SET_ERRNO) ])dnl dnl --------------------------------------------------------------------------- dnl Check for definitions & structures needed for window size-changing dnl FIXME: check that this works with "snake" (HP-UX 10.x) AC_DEFUN([CF_SIZECHANGE], [ AC_REQUIRE([CF_STRUCT_TERMIOS]) AC_CACHE_CHECK(declaration of size-change, cf_cv_sizechange,[ cf_cv_sizechange=unknown cf_save_CPPFLAGS="$CPPFLAGS" for cf_opts in "" "NEED_PTEM_H" do CPPFLAGS="$cf_save_CPPFLAGS" test -n "$cf_opts" && CPPFLAGS="$CPPFLAGS -D$cf_opts" AC_TRY_COMPILE([#include #ifdef HAVE_TERMIOS_H #include #else #ifdef HAVE_TERMIO_H #include #endif #endif #ifdef NEED_PTEM_H /* This is a workaround for SCO: they neglected to define struct winsize in * termios.h -- it's only in termio.h and ptem.h */ #include #include #endif #if !defined(sun) || !defined(HAVE_TERMIOS_H) #include #endif ],[ #ifdef TIOCGSIZE struct ttysize win; /* FIXME: what system is this? */ int y = win.ts_lines; int x = win.ts_cols; #else #ifdef TIOCGWINSZ struct winsize win; int y = win.ws_row; int x = win.ws_col; #else no TIOCGSIZE or TIOCGWINSZ #endif /* TIOCGWINSZ */ #endif /* TIOCGSIZE */ ], [cf_cv_sizechange=yes], [cf_cv_sizechange=no]) CPPFLAGS="$cf_save_CPPFLAGS" if test "$cf_cv_sizechange" = yes ; then echo "size-change succeeded ($cf_opts)" >&AC_FD_CC test -n "$cf_opts" && cf_cv_sizechange="$cf_opts" break fi done ]) if test "$cf_cv_sizechange" != no ; then AC_DEFINE(HAVE_SIZECHANGE) case $cf_cv_sizechange in #(vi NEED*) AC_DEFINE_UNQUOTED($cf_cv_sizechange ) ;; esac fi ])dnl dnl --------------------------------------------------------------------------- dnl Look for the slang header files in the standard places, adjusting the dnl CPPFLAGS variable. dnl AC_DEFUN([CF_SLANG_CPPFLAGS], [ AC_MSG_CHECKING(for slang header file) AC_CACHE_VAL(cf_cv_slang_header,[ AC_TRY_COMPILE([#include ], [printf("%s\n", SLANG_VERSION)], [cf_cv_slang_header=predefined],[ CF_HEADER_PATH(cf_search,slang) for cf_incdir in $cf_search do for cf_header in \ slang.h do echo trying $cf_incdir/$cf_header 1>&AC_FD_CC if egrep "SLANG_VERSION" $cf_incdir/$cf_header 1>&AC_FD_CC 2>&1; then cf_cv_slang_header=$cf_incdir/$cf_header break fi done test -n "$cf_cv_slang_header" && break done test -z "$cf_cv_slang_header" && AC_ERROR(not found) ])]) AC_MSG_RESULT($cf_cv_slang_header) AC_DEFINE(USE_SLANG) CF_DIRNAME(cf_incdir,$cf_cv_slang_header) case $cf_cv_slang_header in # (vi predefined) # (vi ;; *) CF_ADD_INCDIR($cf_incdir) ;; esac ])dnl dnl --------------------------------------------------------------------------- dnl Look for the slang library. AC_DEFUN([CF_SLANG_LIBS], [ cf_slang_LIBS1="$LIBS" CF_TERMCAP_LIBS cf_slang_LIBS2="$LIBS" AC_CHECK_FUNC(acos,,[CF_RECHECK_FUNC(acos,m,LIBS)]) case $host_os in #(vi os2*) CF_FIND_LIBRARY(video,video, [#include ], [v_init()], v_init) ;; esac CF_FIND_LIBRARY(slang,slang, [#include ], [SLtt_get_screen_size()], SLtt_get_screen_size) cf_slang_LIBS3="$LIBS" AC_MSG_CHECKING(if we can link slang without termcap) if test -n "`echo $cf_slang_LIBS1 | sed -e 's/ //g'`" ; then cf_exclude=`echo ".$cf_slang_LIBS2" | sed -e "s@$cf_slang_LIBS1@@" -e 's@^.@@'` else cf_exclude="$cf_slang_LIBS2" fi LIBS=`echo ".$cf_slang_LIBS3" | sed -e "s@$cf_exclude@@" -e 's@^.@@'` AC_TRY_LINK([#include ], [SLtt_get_screen_size()], [cf_result=yes], [cf_result=no]) AC_MSG_RESULT($cf_result) test $cf_result = no && LIBS="$cf_slang_LIBS3" ])dnl dnl --------------------------------------------------------------------------- dnl Slang's header files rely on some predefined symbols to declare variables dnl that we might find useful. This check is needed, because those symbols dnl are generally not available. AC_DEFUN([CF_SLANG_UNIX_DEFS], [ AC_REQUIRE([CF_SLANG_CPPFLAGS]) AC_REQUIRE([CF_SLANG_LIBS]) AC_CACHE_CHECK(if we must tell slang this is UNIX,cf_cv_slang_unix,[ AC_TRY_LINK([#include ], [ #ifdef REAL_UNIX_SYSTEM make an error #else extern int SLang_TT_Baud_Rate; SLang_TT_Baud_Rate = 1 #endif ], [cf_cv_slang_unix=yes], [cf_cv_slang_unix=no]) ]) test $cf_cv_slang_unix = yes && AC_DEFINE(REAL_UNIX_SYSTEM) ])dnl dnl --------------------------------------------------------------------------- dnl Check for socks library dnl $1 = the [optional] directory in which the library may be found AC_DEFUN([CF_SOCKS],[ case "$1" in #(vi no|yes) #(vi ;; *) if test -d $1 ; then if test -d $1/include ; then CPPFLAGS="$CPPFLAGS -I$1/include" LIBS="$LIBS -L$1/lib" else LIBS="$LIBS -L$1" test -d $1/../include && CPPFLAGS="$CPPFLAGS -I$1/../include" fi else AC_MSG_WARN(expected a directory: $1) fi ;; esac LIBS="$LIBS -lsocks" AC_DEFINE(SOCKS) AC_DEFINE(accept,Raccept) AC_DEFINE(bind,Rbind) AC_DEFINE(connect,Rconnect) AC_DEFINE(getpeername,Rgetpeername) AC_DEFINE(getsockname,Rgetsockname) AC_DEFINE(listen,Rlisten) AC_DEFINE(recvfrom,Rrecvfrom) AC_DEFINE(select,Rselect) AC_TRY_LINK([ #include ],[ accept((char *)0)],, [AC_ERROR(Cannot link with socks library)]) ])dnl dnl --------------------------------------------------------------------------- dnl Check for socks5 configuration dnl $1 = the [optional] directory in which the library may be found AC_DEFUN([CF_SOCKS5],[ case "$1" in #(vi no|yes) #(vi ;; *) if test -d $1 ; then if test -d $1/include ; then CPPFLAGS="$CPPFLAGS -I$1/include" LIBS="$LIBS -L$1/lib" else LIBS="$LIBS -L$1" test -d $1/../include && CPPFLAGS="$CPPFLAGS -I$1/../include" fi else AC_MSG_WARN(expected a directory: $1) fi ;; esac LIBS="$LIBS -lsocks5" AC_DEFINE(USE_SOCKS5) AC_DEFINE(SOCKS) AC_MSG_CHECKING(if the socks library uses socks4 prefix) cf_use_socks4=error AC_TRY_LINK([ #include ],[ Rinit((char *)0)], [AC_DEFINE(USE_SOCKS4_PREFIX) cf_use_socks4=yes], [AC_TRY_LINK([#include ], [SOCKSinit((char *)0)], [cf_use_socks4=no], [AC_ERROR(Cannot link with socks5 library)])]) AC_MSG_RESULT($cf_use_socks4) if test "$cf_use_socks4" = "yes" ; then AC_DEFINE(accept,Raccept) AC_DEFINE(bind,Rbind) AC_DEFINE(connect,Rconnect) AC_DEFINE(getpeername,Rgetpeername) AC_DEFINE(getsockname,Rgetsockname) AC_DEFINE(listen,Rlisten) AC_DEFINE(recvfrom,Rrecvfrom) AC_DEFINE(select,Rselect) else AC_DEFINE(accept,SOCKSaccept) AC_DEFINE(getpeername,SOCKSgetpeername) AC_DEFINE(getsockname,SOCKSgetsockname) AC_DEFINE(recvfrom,SOCKSrecvfrom) fi AC_MSG_CHECKING(if socks5p.h is available) AC_TRY_COMPILE([ #define INCLUDE_PROTOTYPES #include ],[ init((char *)0)], [cf_use_socks5p_h=yes], [cf_use_socks5p_h=no]) AC_MSG_RESULT($cf_use_socks5p_h) test "$cf_use_socks5p_h" = yes && AC_DEFINE(INCLUDE_PROTOTYPES) ])dnl dnl --------------------------------------------------------------------------- dnl Check for functions similar to srand() and rand(). lrand48() and random() dnl return a 31-bit value, while rand() returns a value less than RAND_MAX dnl which usually is only 16-bits. AC_DEFUN([CF_SRAND],[ AC_CACHE_CHECK(for random-integer functions, cf_cv_srand_func,[ cf_cv_srand_func=unknown for cf_func in srand48/lrand48 srandom/random srand/rand do cf_srand_func=`echo $cf_func | sed -e 's@/.*@@'` cf_rand_func=`echo $cf_func | sed -e 's@.*/@@'` AC_TRY_LINK([ #ifdef HAVE_STDLIB_H #include #endif #ifdef HAVE_LIMITS_H #include #endif ],[long seed = 1; $cf_srand_func(seed); seed = $cf_rand_func()], [cf_cv_srand_func=$cf_func break]) done ]) if test "$cf_cv_srand_func" != unknown ; then AC_CACHE_CHECK(for range of random-integers, cf_cv_rand_max,[ case $cf_cv_srand_func in srand/rand) cf_cv_rand_max=RAND_MAX cf_rand_max=16 ;; *) cf_cv_rand_max=INT_MAX cf_rand_max=31 ;; esac AC_TRY_COMPILE([ #ifdef HAVE_STDLIB_H #include #endif #ifdef HAVE_LIMITS_H #include #endif ],[long x = $cf_cv_rand_max],, [cf_cv_rand_max="(1L<<$cf_rand_max)-1"]) ]) cf_srand_func=`echo $cf_func | sed -e 's@/.*@@'` cf_rand_func=`echo $cf_func | sed -e 's@.*/@@'` CF_UPPER(cf_rand_max,ifelse($1,,my_,$1)rand_max) AC_DEFINE_UNQUOTED(ifelse($1,,my_,$1)srand,$cf_srand_func) AC_DEFINE_UNQUOTED(ifelse($1,,my_,$1)rand, $cf_rand_func) AC_DEFINE_UNQUOTED([$]cf_rand_max, $cf_cv_rand_max) fi ])dnl dnl --------------------------------------------------------------------------- dnl Check for ssl library dnl $1 = the [optional] directory in which the library may be found AC_DEFUN([CF_SSL],[ cf_ssl_library="-lssl -lcrypto" case "$1" in #(vi no) #(vi ;; yes) #(vi AC_CHECK_LIB(ssl, SSL_get_version,[],[ if test -d /usr/local/ssl ; then CF_VERBOSE(assume it is in /usr/local/ssl) cf_ssl_library="-L/usr/local/ssl/lib $cf_ssl_library" CPPFLAGS="-I/usr/local/ssl/include $CPPFLAGS" else AC_MSG_ERROR(cannot find ssl library) fi ], [-lcrypto]) ;; *) if test -d $1 ; then if test -d $1/include ; then CPPFLAGS="$CPPFLAGS -I$1/include" cf_ssl_library="-L$1/lib $cf_ssl_library" else cf_ssl_library="-L$1 $cf_ssl_library" test -d $1/../include && CPPFLAGS="$CPPFLAGS -I$1/../include" fi else AC_MSG_WARN(expected a directory: $1) fi ;; esac LIBS="$cf_ssl_library $LIBS" AC_MSG_CHECKING(for openssl include directory) AC_TRY_COMPILE([ #include #include ], [SSL_shutdown((SSL *)0)], [cf_openssl_incl=yes], [cf_openssl_incl=no]) AC_MSG_RESULT($cf_openssl_incl) test "$cf_openssl_incl" = yes && AC_DEFINE(USE_OPENSSL_INCL) AC_MSG_CHECKING(if we can link to ssl library) AC_TRY_LINK([ #include #ifdef USE_OPENSSL_INCL #include #else #include #endif ], [SSL_shutdown((SSL *)0)], [cf_ssl_library=yes], [cf_ssl_library=no]) AC_MSG_RESULT($cf_ssl_library) if test "$cf_ssl_library" = yes ; then AC_DEFINE(USE_SSL) else AC_ERROR(Cannot link with ssl library) fi ])dnl dnl --------------------------------------------------------------------------- dnl Remove "-g" option from the compiler options AC_DEFUN([CF_STRIP_G_OPT], [$1=`echo ${$1} | sed -e 's/-g //' -e 's/-g$//'`])dnl dnl --------------------------------------------------------------------------- dnl Remove "-O" option from the compiler options AC_DEFUN([CF_STRIP_O_OPT],[ $1=`echo ${$1} | sed -e 's/-O[[1-9]]\? //' -e 's/-O[[1-9]]\?$//'` ])dnl dnl --------------------------------------------------------------------------- dnl Some machines require _POSIX_SOURCE to completely define struct termios. dnl If so, define SVR4_TERMIO AC_DEFUN([CF_STRUCT_TERMIOS],[ AC_CHECK_HEADERS( \ termio.h \ termios.h \ unistd.h \ ) if test "$ISC" = yes ; then AC_CHECK_HEADERS( sys/termio.h ) fi if test "$ac_cv_header_termios_h" = yes ; then case "$CFLAGS $CPPFLAGS" in *-D_POSIX_SOURCE*) termios_bad=dunno ;; *) termios_bad=maybe ;; esac if test "$termios_bad" = maybe ; then AC_MSG_CHECKING(whether termios.h needs _POSIX_SOURCE) AC_TRY_COMPILE([#include ], [struct termios foo; int x = foo.c_iflag], termios_bad=no, [ AC_TRY_COMPILE([ #define _POSIX_SOURCE #include ], [struct termios foo; int x = foo.c_iflag], termios_bad=unknown, termios_bad=yes AC_DEFINE(SVR4_TERMIO)) ]) AC_MSG_RESULT($termios_bad) fi fi ])dnl dnl --------------------------------------------------------------------------- AC_DEFUN([CF_SYSTEM_MAIL_FLAGS], [ AC_MSG_CHECKING([system mail flags]) AC_CACHE_VAL(cf_cv_system_mail_flags,[ case $cf_cv_SYSTEM_MAIL in */mmdf/*) [cf_cv_system_mail_flags="-mlruxto,cc\\\\*"] ;; *) [cf_cv_system_mail_flags="-t -oi"] esac ]) AC_MSG_RESULT($cf_cv_system_mail_flags) AC_DEFINE_UNQUOTED(SYSTEM_MAIL_FLAGS, "$cf_cv_system_mail_flags") ])dnl dnl --------------------------------------------------------------------------- dnl Check if this is a SYSV flavor of UTMP AC_DEFUN([CF_SYSV_UTMP], [ AC_REQUIRE([CF_UTMP]) AC_CACHE_CHECK(if $cf_cv_have_utmp is SYSV flavor,cf_cv_sysv_utmp,[ test "$cf_cv_have_utmp" = "utmp" && cf_prefix="ut" || cf_prefix="utx" AC_TRY_LINK([ #include #include <${cf_cv_have_utmp}.h>],[ struct $cf_cv_have_utmp x; set${cf_prefix}ent (); get${cf_prefix}id(&x); put${cf_prefix}line(&x); end${cf_prefix}ent();], [cf_cv_sysv_utmp=yes], [cf_cv_sysv_utmp=no]) ]) test $cf_cv_sysv_utmp = yes && AC_DEFINE(USE_SYSV_UTMP) ])dnl dnl --------------------------------------------------------------------------- dnl Check for declaration of sys_nerr and sys_errlist in one of stdio.h and dnl errno.h. Declaration of sys_errlist on BSD4.4 interferes with our dnl declaration. Reported by Keith Bostic. AC_DEFUN([CF_SYS_ERRLIST], [ for cf_name in sys_nerr sys_errlist do CF_CHECK_ERRNO($cf_name) done ])dnl dnl --------------------------------------------------------------------------- dnl Look for termcap libraries, or the equivalent in terminfo. AC_DEFUN([CF_TERMCAP_LIBS], [ AC_CACHE_VAL(cf_cv_termlib,[ cf_cv_termlib=none AC_TRY_LINK([],[char *x=(char*)tgoto("",0,0)], [AC_TRY_LINK([],[int x=tigetstr("")], [cf_cv_termlib=terminfo], [cf_cv_termlib=termcap]) CF_VERBOSE(using functions in predefined $cf_cv_termlib LIBS) ],[ ifelse([$1],,,[ if test "$1" = ncurses; then CF_NCURSES_CPPFLAGS CF_NCURSES_LIBS cf_cv_termlib=terminfo fi ]) if test "$cf_cv_termlib" = none; then # FreeBSD's linker gives bogus results for AC_CHECK_LIB, saying that # tgetstr lives in -lcurses when it is only an unsatisfied extern. cf_save_LIBS="$LIBS" for cf_lib in curses ncurses termlib termcap do LIBS="-l$cf_lib $cf_save_LIBS" for cf_func in tigetstr tgetstr do AC_MSG_CHECKING(for $cf_func in -l$cf_lib) AC_TRY_LINK([],[int x=$cf_func("")],[cf_result=yes],[cf_result=no]) AC_MSG_RESULT($cf_result) if test "$cf_result" = yes ; then if test "$cf_func" = tigetstr ; then cf_cv_termlib=terminfo else cf_cv_termlib=termcap fi break fi done test "$cf_result" = yes && break done test "$cf_result" = no && LIBS="$cf_save_LIBS" fi if test "$cf_cv_termlib" = none; then # allow curses library for broken AIX system. AC_CHECK_LIB(curses, initscr, [LIBS="$LIBS -lcurses" cf_cv_termlib=termcap]) AC_CHECK_LIB(termcap, tgoto, [LIBS="$LIBS -ltermcap" cf_cv_termlib=termcap]) fi ]) if test "$cf_cv_termlib" = none; then AC_MSG_WARN([Cannot find -ltermlib, -lcurses, or -ltermcap]) fi ])])dnl dnl --------------------------------------------------------------------------- dnl Check if including termio.h with dies like on sysv68 dnl FIXME: this is too Lynx-specific AC_DEFUN([CF_TERMIO_AND_CURSES], [ AC_CACHE_CHECK(if we can include termio.h with curses,cf_cv_termio_and_curses,[ cf_save_CFLAGS="$CPPFLAGS" CPPFLAGS="$CPPFLAGS -DHAVE_CONFIG_H -I. -I${srcdir-.} -I${srcdir-.}/src -I${srcdir-.}/WWW/Library/Implementation" touch lynx_cfg.h AC_TRY_COMPILE([ #include <$1> #include ], [putchar(0x0a)], [cf_cv_termio_and_curses=yes], [cf_cv_termio_and_curses=no]) CPPFLAGS="$cf_save_CFLAGS" rm -f lynx_cfg.h ]) test $cf_cv_termio_and_curses = yes && AC_DEFINE(TERMIO_AND_CURSES) ])dnl dnl --------------------------------------------------------------------------- dnl Check if including both termio.h and termios.h die like on DG.UX AC_DEFUN([CF_TERMIO_AND_TERMIOS], [ AC_MSG_CHECKING([termio.h and termios.h]) AC_CACHE_VAL(cf_cv_termio_and_termios,[ AC_TRY_COMPILE([ #if HAVE_TERMIO_H #include #endif #if HAVE_TERMIOS_H #include #endif ], [putchar (0x0a)], [cf_cv_termio_and_termios=yes], [cf_cv_termio_and_termios=no])]) AC_MSG_RESULT($cf_cv_termio_and_termios) test $cf_cv_termio_and_termios = no && AC_DEFINE(TERMIO_AND_TERMIOS) ])dnl dnl --------------------------------------------------------------------------- AC_DEFUN([CF_TTYTYPE], [ AC_MSG_CHECKING(if ttytype is declared in curses library) AC_CACHE_VAL(cf_cv_have_ttytype,[ AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>], [char *x = &ttytype[1]; *x = 1], [cf_cv_have_ttytype=yes], [cf_cv_have_ttytype=no]) ]) AC_MSG_RESULT($cf_cv_have_ttytype) test $cf_cv_have_ttytype = yes && AC_DEFINE(HAVE_TTYTYPE) ]) dnl --------------------------------------------------------------------------- dnl Check to see if the BSD-style union wait is declared. Some platforms may dnl use this, though it is deprecated in favor of the 'int' type in Posix. dnl Some vendors provide a bogus implementation that declares union wait, but dnl uses the 'int' type instead; we try to spot these by checking for the dnl associated macros. dnl dnl Ahem. Some implementers cast the status value to an int*, as an attempt to dnl use the macros for either union wait or int. So we do a check compile to dnl see if the macros are defined and apply to an int. dnl dnl Sets: $cf_cv_type_unionwait dnl Defines: HAVE_TYPE_UNIONWAIT AC_DEFUN([CF_UNION_WAIT], [ AC_REQUIRE([CF_WAIT_HEADERS]) AC_MSG_CHECKING([for union wait]) AC_CACHE_VAL(cf_cv_type_unionwait,[ AC_TRY_LINK($cf_wait_headers, [int x; int y = WEXITSTATUS(x); int z = WTERMSIG(x); wait(&x); ], [cf_cv_type_unionwait=no echo compiles ok w/o union wait 1>&AC_FD_CC ],[ AC_TRY_LINK($cf_wait_headers, [union wait x; #ifdef WEXITSTATUS int y = WEXITSTATUS(x); #endif #ifdef WTERMSIG int z = WTERMSIG(x); #endif wait(&x); ], [cf_cv_type_unionwait=yes echo compiles ok with union wait and possibly macros too 1>&AC_FD_CC ], [cf_cv_type_unionwait=no])])]) AC_MSG_RESULT($cf_cv_type_unionwait) test $cf_cv_type_unionwait = yes && AC_DEFINE(HAVE_TYPE_UNIONWAIT) ])dnl dnl --------------------------------------------------------------------------- dnl Make an uppercase version of a variable dnl $1=uppercase($2) AC_DEFUN([CF_UPPER], [ $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%` ])dnl dnl --------------------------------------------------------------------------- dnl Check for UTMP/UTMPX headers AC_DEFUN([CF_UTMP], [ AC_REQUIRE([CF_LASTLOG]) AC_CACHE_CHECK(for utmp implementation,cf_cv_have_utmp,[ cf_cv_have_utmp=no for cf_header in utmpx utmp ; do AC_TRY_COMPILE([ #include #include <${cf_header}.h> #define getutent getutxent #ifdef USE_LASTLOG #include /* may conflict with utmpx.h on Linux */ #endif ], [struct $cf_header x; char *name = x.ut_name; /* utmp.h and compatible definitions */ ], [cf_cv_have_utmp=$cf_header break], [ AC_TRY_COMPILE([ #include #include <${cf_header}.h> #define getutent getutxent #ifdef USE_LASTLOG #include /* may conflict with utmpx.h on Linux */ #endif ], [struct $cf_header x; char *name = x.ut_user; /* utmpx.h must declare this */ ], [cf_cv_have_utmp=$cf_header AC_DEFINE(ut_name,ut_user) break ])]) done ]) if test $cf_cv_have_utmp != no ; then AC_DEFINE(HAVE_UTMP) test $cf_cv_have_utmp = utmpx && AC_DEFINE(UTMPX_FOR_UTMP) CF_UTMP_UT_HOST CF_UTMP_UT_XSTATUS CF_UTMP_UT_XTIME CF_UTMP_UT_SESSION CF_SYSV_UTMP fi ]) dnl --------------------------------------------------------------------------- dnl Check if UTMP/UTMPX struct defines ut_host member AC_DEFUN([CF_UTMP_UT_HOST], [ AC_REQUIRE([CF_UTMP]) if test $cf_cv_have_utmp != no ; then AC_MSG_CHECKING(if utmp.ut_host is declared) AC_CACHE_VAL(cf_cv_have_utmp_ut_host,[ AC_TRY_COMPILE([ #include #include <${cf_cv_have_utmp}.h>], [struct $cf_cv_have_utmp x; char *y = &x.ut_host[0]], [cf_cv_have_utmp_ut_host=yes], [cf_cv_have_utmp_ut_host=no]) ]) AC_MSG_RESULT($cf_cv_have_utmp_ut_host) test $cf_cv_have_utmp_ut_host != no && AC_DEFINE(HAVE_UTMP_UT_HOST) fi ]) dnl --------------------------------------------------------------------------- dnl Check if UTMP/UTMPX struct defines ut_session member AC_DEFUN([CF_UTMP_UT_SESSION], [ AC_REQUIRE([CF_UTMP]) if test $cf_cv_have_utmp != no ; then AC_CACHE_CHECK(if utmp.ut_session is declared, cf_cv_have_utmp_ut_session,[ AC_TRY_COMPILE([ #include #include <${cf_cv_have_utmp}.h>], [struct $cf_cv_have_utmp x; long y = x.ut_session], [cf_cv_have_utmp_ut_session=yes], [cf_cv_have_utmp_ut_session=no]) ]) if test $cf_cv_have_utmp_ut_session != no ; then AC_DEFINE(HAVE_UTMP_UT_SESSION) fi fi ]) dnl --------------------------------------------------------------------------- dnl Check for known variants on the UTMP/UTMPX struct's exit-status as reported dnl by various people: dnl dnl ut_exit.__e_exit (HPUX 11 - David Ellement, also in glibc2) dnl ut_exit.e_exit (SVR4) dnl ut_exit.ut_e_exit (os390 - Greg Smith) dnl ut_exit.ut_exit (Tru64 4.0f - Jeremie Petit, 4.0e - Tomas Vanhala) dnl dnl Note: utmp_xstatus is not a conventional compatibility definition in the dnl system header files. AC_DEFUN([CF_UTMP_UT_XSTATUS], [ AC_REQUIRE([CF_UTMP]) if test $cf_cv_have_utmp != no ; then AC_CACHE_CHECK(for exit-status in $cf_cv_have_utmp,cf_cv_have_utmp_ut_xstatus,[ for cf_result in \ ut_exit.__e_exit \ ut_exit.e_exit \ ut_exit.ut_e_exit \ ut_exit.ut_exit do AC_TRY_COMPILE([ #include #include <${cf_cv_have_utmp}.h>], [struct $cf_cv_have_utmp x; long y = x.$cf_result = 0], [cf_cv_have_utmp_ut_xstatus=$cf_result break], [cf_cv_have_utmp_ut_xstatus=no]) done ]) if test $cf_cv_have_utmp_ut_xstatus != no ; then AC_DEFINE(HAVE_UTMP_UT_XSTATUS) AC_DEFINE_UNQUOTED(ut_xstatus,$cf_cv_have_utmp_ut_xstatus) fi fi ])dnl dnl --------------------------------------------------------------------------- dnl Check if UTMP/UTMPX struct defines ut_xtime member AC_DEFUN([CF_UTMP_UT_XTIME], [ AC_REQUIRE([CF_UTMP]) if test $cf_cv_have_utmp != no ; then AC_CACHE_CHECK(if utmp.ut_xtime is declared, cf_cv_have_utmp_ut_xtime,[ AC_TRY_COMPILE([ #include #include <${cf_cv_have_utmp}.h>], [struct $cf_cv_have_utmp x; long y = x.ut_xtime = 0], [cf_cv_have_utmp_ut_xtime=yes], [AC_TRY_COMPILE([ #include #include <${cf_cv_have_utmp}.h>], [struct $cf_cv_have_utmp x; long y = x.ut_tv.tv_sec], [cf_cv_have_utmp_ut_xtime=define], [cf_cv_have_utmp_ut_xtime=no]) ]) ]) if test $cf_cv_have_utmp_ut_xtime != no ; then AC_DEFINE(HAVE_UTMP_UT_XTIME) if test $cf_cv_have_utmp_ut_xtime = define ; then AC_DEFINE(ut_xtime,ut_tv.tv_sec) fi fi fi ]) dnl --------------------------------------------------------------------------- dnl Check for ANSI stdarg.h vs varargs.h. Note that some systems include dnl within . AC_DEFUN([CF_VARARGS], [ AC_CHECK_HEADERS(stdarg.h varargs.h) AC_MSG_CHECKING(for standard varargs) AC_CACHE_VAL(cf_cv_ansi_varargs,[ AC_TRY_COMPILE([ #if HAVE_STDARG_H #include #else #if HAVE_VARARGS_H #include #endif #endif ], [return 0;} int foo(char *fmt,...){va_list args;va_start(args,fmt);va_end(args)], [cf_cv_ansi_varargs=yes], [cf_cv_ansi_varargs=no]) ]) AC_MSG_RESULT($cf_cv_ansi_varargs) test $cf_cv_ansi_varargs = yes && AC_DEFINE(ANSI_VARARGS) ])dnl dnl --------------------------------------------------------------------------- dnl Use AC_VERBOSE w/o the warnings AC_DEFUN([CF_VERBOSE], [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG ])dnl dnl --------------------------------------------------------------------------- dnl Build up an expression $cf_wait_headers with the header files needed to dnl compile against the prototypes for 'wait()', 'waitpid()', etc. Assume it's dnl Posix, which uses and , but allow SVr4 variation dnl with . AC_DEFUN([CF_WAIT_HEADERS], [ AC_HAVE_HEADERS(sys/wait.h) cf_wait_headers="#include " if test $ac_cv_header_sys_wait_h = yes; then cf_wait_headers="$cf_wait_headers #include " else AC_HAVE_HEADERS(wait.h) AC_HAVE_HEADERS(waitstatus.h) if test $ac_cv_header_wait_h = yes; then cf_wait_headers="$cf_wait_headers #include " fi if test $ac_cv_header_waitstatus_h = yes; then cf_wait_headers="$cf_wait_headers #include " fi fi ])dnl dnl --------------------------------------------------------------------------- dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just dnl defaulting to yes/no. dnl dnl $1 = option name dnl $2 = help-text dnl $3 = environment variable to set dnl $4 = default value, shown in the help-message, must be a constant dnl $5 = default value, if it's an expression & cannot be in the help-message dnl AC_DEFUN([CF_WITH_PATH], [AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),, ifelse($4,,[withval="${$3}"],[withval="${$3-ifelse($5,,$4,$5)}"]))dnl CF_PATH_SYNTAX(withval) eval $3="$withval" AC_SUBST($3)dnl ])dnl dnl --------------------------------------------------------------------------- dnl Test if we should define X/Open source for curses, needed on Digital Unix dnl 4.x, to see the extended functions, but breaks on IRIX 6.x. AC_DEFUN([CF_XOPEN_CURSES], [ AC_CACHE_CHECK(if we must define _XOPEN_SOURCE_EXTENDED,cf_cv_need_xopen_extension,[ AC_TRY_LINK([ #include #include <${cf_cv_ncurses_header-curses.h}>],[ long x = winnstr(stdscr, "", 0)], [cf_cv_need_xopen_extension=no], [AC_TRY_LINK([ #define _XOPEN_SOURCE_EXTENDED #include #include <${cf_cv_ncurses_header-curses.h}>],[ long x = winnstr(stdscr, "", 0)], [cf_cv_need_xopen_extension=yes], [cf_cv_need_xopen_extension=no])])]) test $cf_cv_need_xopen_extension = yes && CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED" ])dnl dnl --------------------------------------------------------------------------- dnl Check for Xaw (Athena) libraries dnl AC_DEFUN([CF_X_ATHENA], [AC_REQUIRE([CF_X_TOOLKIT]) cf_x_athena=${cf_x_athena-Xaw} AC_ARG_WITH(Xaw3d, [ --with-Xaw3d link with Xaw 3d library], [cf_x_athena=Xaw3d]) AC_ARG_WITH(neXtaw, [ --with-neXtaw link with neXT Athena library], [cf_x_athena=neXtaw]) AC_CHECK_LIB(Xext,XextCreateExtension, [LIBS="-lXext $LIBS"]) cf_x_athena_include="" cf_x_athena_lib="" for cf_path in default \ /usr/contrib/X11R6 \ /usr/contrib/X11R5 \ /usr/lib/X11R5 \ /usr/local do if test -z "$cf_x_athena_include" ; then cf_save="$CPPFLAGS" cf_test=X11/$cf_x_athena/SimpleMenu.h if test $cf_path != default ; then CPPFLAGS="-I$cf_path/include $cf_save" AC_MSG_CHECKING(for $cf_test in $cf_path) else AC_MSG_CHECKING(for $cf_test) fi AC_TRY_COMPILE([ #include #include <$cf_test>],[], [cf_result=yes], [cf_result=no]) AC_MSG_RESULT($cf_result) if test "$cf_result" = yes ; then cf_x_athena_include=$cf_path else CPPFLAGS="$cf_save" fi fi for cf_lib in "-l$cf_x_athena -lXmu" "-l${cf_x_athena}_s -lXmu_s" do if test -z "$cf_x_athena_lib" ; then cf_save="$LIBS" cf_test=XawSimpleMenuAddGlobalActions if test $cf_path != default ; then LIBS="-L$cf_path/lib $cf_lib $LIBS" AC_MSG_CHECKING(for $cf_lib in $cf_path) else LIBS="$cf_lib $LIBS" AC_MSG_CHECKING(for $cf_test in $cf_lib) fi AC_TRY_LINK([],[$cf_test()], [cf_result=yes], [cf_result=no], [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS]) AC_MSG_RESULT($cf_result) if test "$cf_result" = yes ; then cf_x_athena_lib="$cf_lib" else LIBS="$cf_save" fi fi done done if test -z "$cf_x_athena_include" ; then AC_MSG_WARN( [Unable to successfully find Athena header files with test program]) fi if test -z "$cf_x_athena_lib" ; then AC_ERROR( [Unable to successfully link Athena library (-l$cf_x_athena) with test program]) fi CF_UPPER(CF_X_ATHENA_LIBS,HAVE_LIB_$cf_x_athena) AC_DEFINE_UNQUOTED($CF_X_ATHENA_LIBS) ])dnl dnl --------------------------------------------------------------------------- dnl Check for X Toolkit libraries dnl AC_DEFUN([CF_X_TOOLKIT], [ AC_REQUIRE([CF_CHECK_CACHE]) # We need to check for -lsocket and -lnsl here in order to work around an # autoconf bug. autoconf-2.12 is not checking for these prior to checking for # the X11R6 -lSM and -lICE libraries. The resultant failures cascade... # (tested on Solaris 2.5 w/ X11R6) SYSTEM_NAME=`echo "$cf_cv_system_name"|tr ' ' -` cf_have_X_LIBS=no case $SYSTEM_NAME in irix[[56]]*) ;; clix*) # FIXME: modify the library lookup in autoconf to # allow _s.a suffix ahead of .a AC_CHECK_LIB(c_s,open, [LIBS="-lc_s $LIBS" AC_CHECK_LIB(bsd,gethostname, [LIBS="-lbsd $LIBS" AC_CHECK_LIB(nsl_s,gethostname, [LIBS="-lnsl_s $LIBS" AC_CHECK_LIB(X11_s,XOpenDisplay, [LIBS="-lX11_s $LIBS" AC_CHECK_LIB(Xt_s,XtAppInitialize, [LIBS="-lXt_s $LIBS" cf_have_X_LIBS=Xt ]) ]) ]) ]) ]) ;; *) AC_CHECK_LIB(socket,socket) AC_CHECK_LIB(nsl,gethostname) ;; esac if test $cf_have_X_LIBS = no ; then AC_PATH_XTRA LDFLAGS="$LDFLAGS $X_LIBS" CF_ADD_CFLAGS($X_CFLAGS) AC_CHECK_LIB(X11,XOpenDisplay, [LIBS="-lX11 $LIBS"],, [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS]) AC_CHECK_LIB(Xt, XtAppInitialize, [AC_DEFINE(HAVE_LIBXT) cf_have_X_LIBS=Xt LIBS="-lXt $X_PRE_LIBS $LIBS"],, [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS]) else LDFLAGS="$LDFLAGS $X_LIBS" CF_ADD_CFLAGS($X_CFLAGS) fi if test $cf_have_X_LIBS = no ; then AC_WARN( [Unable to successfully link X Toolkit library (-lXt) with test program. You will have to check and add the proper libraries by hand to makefile.]) fi ])dnl