diff --git a/gl/m4/lib-link.m4 b/gl/m4/lib-link.m4
index fcd3391bbcef44773f3fa8568a1aa2f87a8b0708..21442033c87bd65912d4337d2f3fe686da708e01 100644 (file)
--- a/gl/m4/lib-link.m4
+++ b/gl/m4/lib-link.m4
-# lib-link.m4 serial 18 (gettext-0.18)
+# lib-link.m4 serial 19 (gettext-0.18)
dnl Copyright (C) 2001-2009 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
popdef([Name])
])
-dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode)
+dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode, [missing-message])
dnl searches for libname and the libraries corresponding to explicit and
dnl implicit dependencies, together with the specified include files and
-dnl the ability to compile and link the specified testcode. If found, it
-dnl sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME} and
-dnl LTLIB${NAME} variables and augments the CPPFLAGS variable, and
+dnl the ability to compile and link the specified testcode. The missing-message
+dnl defaults to 'no' and may contain additional hints for the user.
+dnl If found, it sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME}
+dnl and LTLIB${NAME} variables and augments the CPPFLAGS variable, and
dnl #defines HAVE_LIB${NAME} to 1. Otherwise, it sets and AC_SUBSTs
dnl HAVE_LIB${NAME}=no and LIB${NAME} and LTLIB${NAME} to empty.
dnl Sets and AC_SUBSTs the LIB${NAME}_PREFIX variable to nonempty if libname
AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [
ac_save_LIBS="$LIBS"
LIBS="$LIBS $LIB[]NAME"
- AC_TRY_LINK([$3], [$4], [ac_cv_lib[]Name=yes], [ac_cv_lib[]Name=no])
+ AC_TRY_LINK([$3], [$4],
+ [ac_cv_lib[]Name=yes],
+ [ac_cv_lib[]Name='m4_if([$5], [], [no], [[$5]])'])
LIBS="$ac_save_LIBS"
])
if test "$ac_cv_lib[]Name" = yes; then
HAVE_LIB[]NAME=yes
- AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the $1 library.])
+ AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the lib[]$1 library.])
AC_MSG_CHECKING([how to link with lib[]$1])
AC_MSG_RESULT([$LIB[]NAME])
else