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Diffstat (limited to 'gnulib-m4/putenv.m4')
-rw-r--r--gnulib-m4/putenv.m433
1 files changed, 9 insertions, 24 deletions
diff --git a/gnulib-m4/putenv.m4 b/gnulib-m4/putenv.m4
index 73a5f469..dd9140c0 100644
--- a/gnulib-m4/putenv.m4
+++ b/gnulib-m4/putenv.m4
@@ -1,5 +1,5 @@
-# putenv.m4 serial 20
-dnl Copyright (C) 2002-2015 Free Software Foundation, Inc.
+# putenv.m4 serial 16
+dnl Copyright (C) 2002-2010 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
@@ -12,7 +12,6 @@ dnl The putenv in libc on at least SunOS 4.1.4 does *not* do that.
AC_DEFUN([gl_FUNC_PUTENV],
[
AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
- AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([for putenv compatible with GNU and SVID],
[gl_cv_func_svid_putenv],
[AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],[[
@@ -22,35 +21,21 @@ AC_DEFUN([gl_FUNC_PUTENV],
/* Try to remove it. */
if (putenv ("CONFTEST_putenv"))
- return 2;
+ return 1;
/* Make sure it was deleted. */
if (getenv ("CONFTEST_putenv") != 0)
- return 3;
+ return 1;
return 0;
]])],
gl_cv_func_svid_putenv=yes,
gl_cv_func_svid_putenv=no,
dnl When crosscompiling, assume putenv is broken.
- [case "$host_os" in
- # Guess yes on glibc systems.
- *-gnu*) gl_cv_func_svid_putenv="guessing yes" ;;
- # If we don't know, assume the worst.
- *) gl_cv_func_svid_putenv="guessing no" ;;
- esac
- ])
+ gl_cv_func_svid_putenv=no)
])
- case "$gl_cv_func_svid_putenv" in
- *yes) ;;
- *)
- REPLACE_PUTENV=1
- ;;
- esac
-])
-
-# Prerequisites of lib/putenv.c.
-AC_DEFUN([gl_PREREQ_PUTENV],
-[
- AC_CHECK_DECLS([_putenv])
+ if test $gl_cv_func_svid_putenv = no; then
+ REPLACE_PUTENV=1
+ AC_LIBOBJ([putenv])
+ fi
])