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-rw-r--r--macros/gnome-support.m468
1 files changed, 68 insertions, 0 deletions
diff --git a/macros/gnome-support.m4 b/macros/gnome-support.m4
new file mode 100644
index 0000000000..2c1d049842
--- /dev/null
+++ b/macros/gnome-support.m4
@@ -0,0 +1,68 @@
+dnl GNOME_SUPPORT_CHECKS
+dnl Check for various support functions needed by the standard
+dnl Gnome libraries. Sets LIBOBJS, might define some macros.
+dnl This should only be used when building the Gnome libs;
+dnl Gnome clients should not need this macro.
+AC_DEFUN([GNOME_SUPPORT_CHECKS],[
+ # we need an `awk' to build `gnomesupport.h'
+ AC_REQUIRE([AC_PROG_AWK])
+
+ # this should go away soon
+ need_gnome_support=yes
+
+ save_LIBOBJS="$LIBOBJS"
+ LIBOBJS=
+
+ AC_CHECK_FUNCS(getopt_long,,LIBOBJS="$LIBOBJS getopt.o getopt1.o")
+
+ # for `scandir'
+ AC_HEADER_DIRENT
+
+ # copied from `configure.in' of `libiberty'
+ vars="program_invocation_short_name program_invocation_name sys_errlist"
+ for v in $vars; do
+ AC_MSG_CHECKING([for $v])
+ AC_CACHE_VAL(gnome_cv_var_$v,
+ [AC_TRY_LINK([int *p;], [extern int $v; p = &$v;],
+ [eval "gnome_cv_var_$v=yes"],
+ [eval "gnome_cv_var_$v=no"])])
+ if eval "test \"`echo '$gnome_cv_var_'$v`\" = yes"; then
+ AC_MSG_RESULT(yes)
+ n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+ AC_DEFINE_UNQUOTED($n)
+ else
+ AC_MSG_RESULT(no)
+ fi
+ done
+
+ AC_REPLACE_FUNCS(memmove mkstemp scandir strcasecmp strerror strndup strnlen)
+ AC_REPLACE_FUNCS(strtok_r strtod strtol strtoul vasprintf vsnprintf)
+
+ AC_CHECK_FUNCS(realpath,,LIBOBJS="$LIBOBJS canonicalize.o")
+
+ # to include `error.c' error.c has some HAVE_* checks
+ AC_CHECK_FUNCS(vprintf doprnt strerror_r)
+ AM_FUNC_ERROR_AT_LINE
+
+ # This is required if we declare setreuid () and setregid ().
+ AC_TYPE_UID_T
+
+ # see if we need to declare some functions. Solaris is notorious for
+ # putting functions into the `libc' but not listing them in the headers
+ AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h dirent.h)
+ GCC_NEED_DECLARATIONS(gethostname setreuid setregid getpagesize)
+ GCC_NEED_DECLARATION(scandir,[
+#ifdef HAVE_DIRENT_H
+#include <dirent.h>
+#endif
+])
+
+ # Turn our LIBOBJS into libtool objects. This is gross, but it
+ # requires changes to autoconf before it goes away.
+ LTLIBOBJS=`echo "$LIBOBJS" | sed 's/\.o/.lo/g'`
+ AC_SUBST(need_gnome_support)
+ AC_SUBST(LTLIBOBJS)
+
+ LIBOBJS="$save_LIBOBJS"
+ AM_CONDITIONAL(BUILD_GNOME_SUPPORT, test "$need_gnome_support" = yes)
+])