From a0483c10aadde639ae071597c221b604f7f5acf5 Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Wed, 11 Dec 2002 20:16:29 +0000 Subject: [PATCH] Prerequisites of lib/setenv.c and lib/unsetenv.c. --- m4/ChangeLog | 4 ++++ m4/setenv.m4 | 37 +++++++++++++++++++++++++++++++++++++ 2 files changed, 41 insertions(+) create mode 100644 m4/setenv.m4 diff --git a/m4/ChangeLog b/m4/ChangeLog index 7bd0d4e31a..3a53a30be3 100644 --- a/m4/ChangeLog +++ b/m4/ChangeLog @@ -1,3 +1,7 @@ +2002-12-11 Bruno Haible + + * setenv.m4: New file, from gettext-0.11.5. + 2002-12-06 Paul Eggert Undo the 2001-07-02 change for jm-glibc-io, as it was too much of diff --git a/m4/setenv.m4 b/m4/setenv.m4 new file mode 100644 index 0000000000..832193b5f3 --- /dev/null +++ b/m4/setenv.m4 @@ -0,0 +1,37 @@ +# setenv.m4 serial 2 (gettext-0.11.1) +dnl Copyright (C) 2001-2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. + +# Check if a variable is properly declared. +# gt_CHECK_VAR_DECL(includes,variable) +AC_DEFUN([gt_CHECK_VAR_DECL], +[ + define(gt_cv_var, [gt_cv_var_]$2[_declaration]) + AC_MSG_CHECKING([if $2 is properly declared]) + AC_CACHE_VAL(gt_cv_var, [ + AC_TRY_COMPILE([$1 + extern struct { int foo; } $2;], + [$2.foo = 1;], + gt_cv_var=no, + gt_cv_var=yes)]) + AC_MSG_RESULT($gt_cv_var) + if test $gt_cv_var = yes; then + AC_DEFINE([HAVE_]translit($2, [a-z], [A-Z])[_DECL], 1, + [Define if you have the declaration of $2.]) + fi +]) + +# Prerequisites of lib/setenv.c + +AC_DEFUN([gt_FUNC_SETENV], +[ + AC_REPLACE_FUNCS(setenv unsetenv) + AC_CHECK_HEADERS(search.h stdlib.h string.h unistd.h) + AC_CHECK_FUNCS(tsearch) + gt_CHECK_VAR_DECL([#include ], errno) + gt_CHECK_VAR_DECL([#include ], environ) +]) -- 2.30.2