- dnl User does not insist on using GNU NLS library. Figure out what
- dnl to use. If GNU gettext is available we use this. Else we have
- dnl to fall back to GNU NLS library.
-
- dnl Add a version number to the cache macros.
- define([gt_api_version], ifelse([$2], [need-formatstring-macros], 3, ifelse([$2], [need-ngettext], 2, 1)))
- define([gt_cv_func_gnugettext_libc], [gt_cv_func_gnugettext]gt_api_version[_libc])
- define([gt_cv_func_gnugettext_libintl], [gt_cv_func_gnugettext]gt_api_version[_libintl])
-
- AC_CACHE_CHECK([for GNU gettext in libc], gt_cv_func_gnugettext_libc,
- [AC_TRY_LINK([#include <libintl.h>
-]ifelse([$2], [need-formatstring-macros],
-[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
-#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
-#endif
-changequote(,)dnl
-typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
-changequote([,])dnl
-], [])[extern int _nl_msg_cat_cntr;
-extern int *_nl_domain_bindings;],
- [bindtextdomain ("", "");
-return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_domain_bindings],
- gt_cv_func_gnugettext_libc=yes,
- gt_cv_func_gnugettext_libc=no)])
-
- if test "$gt_cv_func_gnugettext_libc" != "yes"; then
- dnl Sometimes libintl requires libiconv, so first search for libiconv.
- ifelse(gt_included_intl, yes, , [
- AM_ICONV_LINK
- ])
- dnl Search for libintl and define LIBINTL, LTLIBINTL and INCINTL
- dnl accordingly. Don't use AC_LIB_LINKFLAGS_BODY([intl],[iconv])
- dnl because that would add "-liconv" to LIBINTL and LTLIBINTL
- dnl even if libiconv doesn't exist.
- AC_LIB_LINKFLAGS_BODY([intl])
- AC_CACHE_CHECK([for GNU gettext in libintl],
- gt_cv_func_gnugettext_libintl,
- [gt_save_CPPFLAGS="$CPPFLAGS"
- CPPFLAGS="$CPPFLAGS $INCINTL"
- gt_save_LIBS="$LIBS"
- LIBS="$LIBS $LIBINTL"
- dnl Now see whether libintl exists and does not depend on libiconv.
- AC_TRY_LINK([#include <libintl.h>
-]ifelse([$2], [need-formatstring-macros],
-[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION