X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fputenv.m4;h=120f5a4a528eac57742ca438a916a06614412732;hb=16685f16dd4a1a691ae6807eeb12f7c586669003;hp=43a5dc5bee6c38b5e2a31671ea64c8a3c9c4c5dd;hpb=e40cf4e4eb8a15c5982664e9ae8546661e02f4fd;p=gnulib.git diff --git a/m4/putenv.m4 b/m4/putenv.m4 index 43a5dc5be..120f5a4a5 100644 --- a/m4/putenv.m4 +++ b/m4/putenv.m4 @@ -1,5 +1,5 @@ -# putenv.m4 serial 12 -dnl Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# putenv.m4 serial 16 +dnl Copyright (C) 2002-2009 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -10,8 +10,11 @@ dnl Check whether putenv ("FOO") removes FOO from the environment. dnl The putenv in libc on at least SunOS 4.1.4 does *not* do that. AC_DEFUN([gl_FUNC_PUTENV], -[AC_CACHE_CHECK([for SVID conformant putenv], jm_cv_func_svid_putenv, - [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],[ +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + 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; @@ -25,15 +28,14 @@ AC_DEFUN([gl_FUNC_PUTENV], return 1; return 0; - ])], - jm_cv_func_svid_putenv=yes, - jm_cv_func_svid_putenv=no, + ]])], + gl_cv_func_svid_putenv=yes, + gl_cv_func_svid_putenv=no, dnl When crosscompiling, assume putenv is broken. - jm_cv_func_svid_putenv=no) - ]) - if test $jm_cv_func_svid_putenv = no; then - AC_LIBOBJ(putenv) - AC_DEFINE(putenv, rpl_putenv, - [Define to rpl_putenv if the replacement function should be used.]) + gl_cv_func_svid_putenv=no) + ]) + if test $gl_cv_func_svid_putenv = no; then + REPLACE_PUTENV=1 + AC_LIBOBJ([putenv]) fi ])