diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/setenv.m4 | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/m4/setenv.m4 b/m4/setenv.m4 deleted file mode 100644 index 3b19a2943..000000000 --- a/m4/setenv.m4 +++ /dev/null @@ -1,56 +0,0 @@ -# setenv.m4 serial 4 -dnl Copyright (C) 2001-2003 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. - -AC_DEFUN([gt_FUNC_SETENV], -[ - AC_REPLACE_FUNCS(setenv unsetenv) - if test $ac_cv_func_setenv = no; then - gl_PREREQ_SETENV - fi - if test $ac_cv_func_unsetenv = no; then - gl_PREREQ_UNSETENV - fi -]) - -# 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([gl_PREREQ_SETENV], -[ - AC_REQUIRE([AC_FUNC_ALLOCA]) - AC_CHECK_HEADERS_ONCE(unistd.h) - AC_CHECK_HEADERS(search.h) - AC_CHECK_FUNCS(tsearch) - gt_CHECK_VAR_DECL([#include <errno.h>], errno) - gt_CHECK_VAR_DECL([#include <unistd.h>], environ) -]) - -# Prerequisites of lib/unsetenv.c. -AC_DEFUN([gl_PREREQ_UNSETENV], -[ - AC_CHECK_HEADERS_ONCE(unistd.h) - gt_CHECK_VAR_DECL([#include <errno.h>], errno) - gt_CHECK_VAR_DECL([#include <unistd.h>], environ) -]) |