summaryrefslogtreecommitdiff
path: root/m4
diff options
context:
space:
mode:
authorBruno Haible <bruno@clisp.org>2009-11-23 01:03:24 +0100
committerBruno Haible <bruno@clisp.org>2009-11-23 01:03:24 +0100
commitc2f52a8630ea65ae854b9f1094a0b485c144019a (patch)
tree5625ea0f6349762c4caf1e64037f484e9fa070b8 /m4
parent84aee6d7f41c166088f7946971edf31c44ca3ae7 (diff)
downloadgnulib-c2f52a8630ea65ae854b9f1094a0b485c144019a.tar.gz
Add comments.
Diffstat (limited to 'm4')
-rw-r--r--m4/dirent_h.m44
-rw-r--r--m4/iconv_h.m47
-rw-r--r--m4/spawn_h.m46
-rw-r--r--m4/wchar.m44
4 files changed, 15 insertions, 6 deletions
diff --git a/m4/dirent_h.m4 b/m4/dirent_h.m4
index a9964e2313..481212bb3a 100644
--- a/m4/dirent_h.m4
+++ b/m4/dirent_h.m4
@@ -1,4 +1,4 @@
-# dirent_h.m4 serial 6
+# dirent_h.m4 serial 7
dnl Copyright (C) 2008-2009 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -12,6 +12,8 @@ AC_DEFUN([gl_DIRENT_H],
dnl once only, before all statements that occur in other macros.
AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
+ dnl Execute this unconditionally, because DIRENT_H may be set by other
+ dnl modules, after this code is executed.
gl_CHECK_NEXT_HEADERS([dirent.h])
])
diff --git a/m4/iconv_h.m4 b/m4/iconv_h.m4
index bc05b05517..c56a48914b 100644
--- a/m4/iconv_h.m4
+++ b/m4/iconv_h.m4
@@ -1,5 +1,5 @@
-# iconv_h.m4 serial 4
-dnl Copyright (C) 2007-2008 Free Software Foundation, Inc.
+# iconv_h.m4 serial 5
+dnl Copyright (C) 2007-2009 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.
@@ -7,6 +7,9 @@ dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_ICONV_H],
[
AC_REQUIRE([gl_ICONV_H_DEFAULTS])
+
+ dnl Execute this unconditionally, because ICONV_H may be set by other
+ dnl modules, after this code is executed.
gl_CHECK_NEXT_HEADERS([iconv.h])
])
diff --git a/m4/spawn_h.m4 b/m4/spawn_h.m4
index 50ef49ec27..4c0c610e20 100644
--- a/m4/spawn_h.m4
+++ b/m4/spawn_h.m4
@@ -1,5 +1,5 @@
-# spawn_h.m4 serial 1
-dnl Copyright (C) 2008 Free Software Foundation, Inc.
+# spawn_h.m4 serial 2
+dnl Copyright (C) 2008-2009 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.
@@ -12,6 +12,8 @@ AC_DEFUN([gl_SPAWN_H],
dnl once only, before all statements that occur in other macros.
AC_REQUIRE([gl_SPAWN_H_DEFAULTS])
+ dnl Execute this unconditionally, because SPAWN_H may be set by other
+ dnl modules, after this code is executed.
gl_CHECK_NEXT_HEADERS([spawn.h])
AC_CHECK_HEADERS_ONCE([spawn.h])
diff --git a/m4/wchar.m4 b/m4/wchar.m4
index ce53a45cf5..9f22e33ea1 100644
--- a/m4/wchar.m4
+++ b/m4/wchar.m4
@@ -7,7 +7,7 @@ dnl with or without modifications, as long as this notice is preserved.
dnl Written by Eric Blake.
-# wchar.m4 serial 25
+# wchar.m4 serial 26
AC_DEFUN([gl_WCHAR_H],
[
@@ -45,6 +45,8 @@ wchar_t w;]],
HAVE_WCHAR_H=0
fi
AC_SUBST([HAVE_WCHAR_H])
+ dnl Execute this unconditionally, because WCHAR_H may be set by other
+ dnl modules, after this code is executed.
gl_CHECK_NEXT_HEADERS([wchar.h])
])