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-rw-r--r--gl/m4/environ.m423
1 files changed, 11 insertions, 12 deletions
diff --git a/gl/m4/environ.m4 b/gl/m4/environ.m4
index 593a33e..741dfc5 100644
--- a/gl/m4/environ.m4
+++ b/gl/m4/environ.m4
@@ -1,5 +1,5 @@
1# environ.m4 serial 6 1# environ.m4 serial 8
2dnl Copyright (C) 2001-2004, 2006-2013 Free Software Foundation, Inc. 2dnl Copyright (C) 2001-2004, 2006-2023 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation 3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it, 4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved. 5dnl with or without modifications, as long as this notice is preserved.
@@ -29,16 +29,15 @@ AC_DEFUN_ONCE([gl_ENVIRON],
29AC_DEFUN([gt_CHECK_VAR_DECL], 29AC_DEFUN([gt_CHECK_VAR_DECL],
30[ 30[
31 define([gt_cv_var], [gt_cv_var_]$2[_declaration]) 31 define([gt_cv_var], [gt_cv_var_]$2[_declaration])
32 AC_MSG_CHECKING([if $2 is properly declared]) 32 AC_CACHE_CHECK([if $2 is properly declared], [gt_cv_var],
33 AC_CACHE_VAL([gt_cv_var], [ 33 [AC_COMPILE_IFELSE(
34 AC_COMPILE_IFELSE( 34 [AC_LANG_PROGRAM(
35 [AC_LANG_PROGRAM( 35 [[$1
36 [[$1 36 typedef struct { int foo; } foo_t;
37 extern struct { int foo; } $2;]], 37 extern foo_t $2;]],
38 [[$2.foo = 1;]])], 38 [[$2.foo = 1;]])],
39 [gt_cv_var=no], 39 [gt_cv_var=no],
40 [gt_cv_var=yes])]) 40 [gt_cv_var=yes])])
41 AC_MSG_RESULT([$gt_cv_var])
42 if test $gt_cv_var = yes; then 41 if test $gt_cv_var = yes; then
43 AC_DEFINE([HAVE_]m4_translit($2, [a-z], [A-Z])[_DECL], 1, 42 AC_DEFINE([HAVE_]m4_translit($2, [a-z], [A-Z])[_DECL], 1,
44 [Define if you have the declaration of $2.]) 43 [Define if you have the declaration of $2.])