diff options
Diffstat (limited to 'macros/gnome-support.m4')
-rw-r--r-- | macros/gnome-support.m4 | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/macros/gnome-support.m4 b/macros/gnome-support.m4 index 1ec30425ad..67478a8c1d 100644 --- a/macros/gnome-support.m4 +++ b/macros/gnome-support.m4 @@ -1,8 +1,24 @@ -dnl libsupport stuff dnl GNOME_SUPPORT_CHECKS +dnl Check for various support functions needed by the standard +dnl Gnome libraries. Sets LIBOBJS, might define some macros, +dnl and will set the need_gnome_support shell variable to "yes" +dnl or "no". Also sets up the Automake BUILD_GNOME_SUPPORT +dnl conditional. This should only be used when building the Gnome +dnl libs; Gnome clients should not need this macro. AC_DEFUN([GNOME_SUPPORT_CHECKS],[ + need_gnome_support=no + save_LIBOBJS="$LIBOBJS" + LIBOBJS= + AC_CHECK_FUNCS(getopt_long,,LIBOBJS="$LIBOBJS getopt.o getopt1.o") - AC_CHECK_FUNCS(argp_parse,,LIBOBJS="$LIBOBJS argp-ba.o argp-eexst.o argp-fmtstream.o argp-fs-xinl.o argp-help.o argp-parse.o argp-pv.o argp-xinl.o") + + # We check for argp_domain because we use it, and it appears only in + # very recent versions of the argp library. + AC_TRY_COMPILE([#include <argp.h>], [ + struct argp foo; + extern char *foo2; + foo.argp_domain = foo2;],,LIBOBJS="$LIBOBJS argp-ba.o argp-eexst.o argp-fmtstream.o argp-fs-xinl.o argp-help.o argp-parse.o argp-pv.o argp-pvh.o argp-xinl.o") + AC_TRY_LINK([#include <errno.h>],[ char *foo = program_invocation_short_name], [ AC_DEFINE(HAVE_PROGRAM_INVOCATION_SHORT_NAME)]) @@ -10,5 +26,15 @@ AC_DEFUN([GNOME_SUPPORT_CHECKS],[ char *foo = program_invocation_name], [ AC_DEFINE(HAVE_PROGRAM_INVOCATION_NAME)]) AC_REPLACE_FUNCS(strtok_r strcasecmp strndup strnlen) - AC_SUBST(LIBOBJS) + + if test "$LIBOBJS" != ""; then + need_gnome_support=yes + fi + # Turn our LIBOBJS into libtool objects. This is gross, but it + # requires changes to autoconf before it goes away. + LTLIBOBJS=`echo "$LIBOBJS" | sed 's/\.o/.lo/g'` + AC_SUBST(LTLIBOBJS) + + LIBOBJS="$save_LIBOBJS" + AM_CONDITIONAL(BUILD_GNOME_SUPPORT, test "$need_gnome_support" = yes) ]) |