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Diffstat (limited to 'gnulib-m4/putenv.m4')
-rw-r--r--gnulib-m4/putenv.m462
1 files changed, 34 insertions, 28 deletions
diff --git a/gnulib-m4/putenv.m4 b/gnulib-m4/putenv.m4
index f2a76b2..c7b4503 100644
--- a/gnulib-m4/putenv.m4
+++ b/gnulib-m4/putenv.m4
@@ -1,5 +1,5 @@
-# putenv.m4 serial 22
-dnl Copyright (C) 2002-2018 Free Software Foundation, Inc.
+# putenv.m4 serial 25
+dnl Copyright (C) 2002-2022 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.
@@ -14,35 +14,41 @@ 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],[[
- /* Put it in env. */
- if (putenv ("CONFTEST_putenv=val"))
- return 1;
+ [gl_cv_func_svid_putenv],
+ [AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM(
+ [AC_INCLUDES_DEFAULT
+ GL_MDA_DEFINES],
+ [[
+ /* Put it in env. */
+ if (putenv ("CONFTEST_putenv=val"))
+ return 1;
- /* Try to remove it. */
- if (putenv ("CONFTEST_putenv"))
- return 2;
+ /* Try to remove it. */
+ if (putenv ("CONFTEST_putenv"))
+ return 2;
- /* Make sure it was deleted. */
- if (getenv ("CONFTEST_putenv") != 0)
- return 3;
+ /* Make sure it was deleted. */
+ if (getenv ("CONFTEST_putenv") != 0)
+ return 3;
- return 0;
- ]])],
- gl_cv_func_svid_putenv=yes,
- gl_cv_func_svid_putenv=no,
- dnl When crosscompiling, assume putenv is broken.
- [case "$host_os" in
- # Guess yes on glibc systems.
- *-gnu* | gnu*) gl_cv_func_svid_putenv="guessing yes" ;;
- # Guess no on native Windows.
- mingw*) gl_cv_func_svid_putenv="guessing no" ;;
- # If we don't know, assume the worst.
- *) gl_cv_func_svid_putenv="guessing no" ;;
- esac
- ])
- ])
+ return 0;
+ ]])],
+ [gl_cv_func_svid_putenv=yes],
+ [gl_cv_func_svid_putenv=no],
+ [dnl When crosscompiling, assume putenv is broken.
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu* | gnu*) gl_cv_func_svid_putenv="guessing yes" ;;
+ # Guess yes on musl systems.
+ *-musl*) gl_cv_func_svid_putenv="guessing yes" ;;
+ # Guess no on native Windows.
+ mingw*) gl_cv_func_svid_putenv="guessing no" ;;
+ # If we don't know, obey --enable-cross-guesses.
+ *) gl_cv_func_svid_putenv="$gl_cross_guess_normal" ;;
+ esac
+ ])
+ ])
case "$gl_cv_func_svid_putenv" in
*yes) ;;
*)