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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")
# 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="$LIBOBJS argp-ba.o argp-eexst.o argp-fmtstream.o argp-fs-xinl.o argp-help.o argp-parse.o argp-pv.o argp-pvh.o argp-xinl.o")
AC_TRY_LINK([#include <errno.h>],[
char *foo = program_invocation_short_name], [
AC_DEFINE(HAVE_PROGRAM_INVOCATION_SHORT_NAME)])
AC_TRY_LINK([#include <errno.h>],[
char *foo = program_invocation_name], [
AC_DEFINE(HAVE_PROGRAM_INVOCATION_NAME)])
AC_REPLACE_FUNCS(strtok_r strcasecmp strndup strnlen)
if test "$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)
])
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