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-rw-r--r--gl/m4/gnulib-common.m410
1 files changed, 9 insertions, 1 deletions
diff --git a/gl/m4/gnulib-common.m4 b/gl/m4/gnulib-common.m4
index 9cc519e7..4c7ac30d 100644
--- a/gl/m4/gnulib-common.m4
+++ b/gl/m4/gnulib-common.m4
@@ -1,4 +1,4 @@
-# gnulib-common.m4 serial 18
+# gnulib-common.m4 serial 20
dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -35,6 +35,12 @@ AC_DEFUN([gl_COMMON_BODY], [
is a misnomer outside of parameter lists. */
#define _UNUSED_PARAMETER_ _GL_UNUSED
])
+ dnl Preparation for running test programs:
+ dnl Tell glibc to write diagnostics from -D_FORTIFY_SOURCE=2 to stderr, not
+ dnl to /dev/tty, so they can be redirected to log files. Such diagnostics
+ dnl arise e.g., in the macros gl_PRINTF_DIRECTIVE_N, gl_SNPRINTF_DIRECTIVE_N.
+ LIBC_FATAL_STDERR_=1
+ export LIBC_FATAL_STDERR_
])
# gl_MODULE_INDICATOR_CONDITION
@@ -132,6 +138,7 @@ m4_ifdef([AC_PROG_MKDIR_P], [
# so that mixed use of GNU C and GNU C++ and mixed use of Sun C and Sun C++
# works.
# This definition can be removed once autoconf >= 2.62 can be assumed.
+m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.62]),[-1],[
AC_DEFUN([AC_C_RESTRICT],
[AC_CACHE_CHECK([for C/C++ restrict keyword], [ac_cv_c_restrict],
[ac_cv_c_restrict=no
@@ -169,6 +176,7 @@ AC_DEFUN([AC_C_RESTRICT],
*) AC_DEFINE_UNQUOTED([restrict], [$ac_cv_c_restrict]) ;;
esac
])
+])
# gl_BIGENDIAN
# is like AC_C_BIGENDIAN, except that it can be AC_REQUIREd.