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stop installing duplicate docs; tweak installed files; Add info manual to doc-base
[gnulib.git]
/
m4
/
putenv.m4
diff --git
a/m4/putenv.m4
b/m4/putenv.m4
index
a7f0b27
..
d79321b
100644
(file)
--- a/
m4/putenv.m4
+++ b/
m4/putenv.m4
@@
-1,5
+1,5
@@
-# putenv.m4 serial
17
-dnl Copyright (C) 2002-201
0
Free Software Foundation, Inc.
+# putenv.m4 serial
20
+dnl Copyright (C) 2002-201
4
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.
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.
@@
-12,6
+12,7
@@
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_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],[[
AC_CACHE_CHECK([for putenv compatible with GNU and SVID],
[gl_cv_func_svid_putenv],
[AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],[[
@@
-32,10
+33,24
@@
AC_DEFUN([gl_FUNC_PUTENV],
gl_cv_func_svid_putenv=yes,
gl_cv_func_svid_putenv=no,
dnl When crosscompiling, assume putenv is broken.
gl_cv_func_svid_putenv=yes,
gl_cv_func_svid_putenv=no,
dnl When crosscompiling, assume putenv is broken.
- gl_cv_func_svid_putenv=no)
+ [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
+ ])
])
])
- if test $gl_cv_func_svid_putenv = no; then
- REPLACE_PUTENV=1
- AC_LIBOBJ([putenv])
- fi
+ case "$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])
])
])