+2011-07-26 Eric Blake <eblake@redhat.com>
+
+ include-next, warnings: support older autoconf
+ * m4/include_next.m4 (gl_NEXT_HEADERS_INTERNAL): Use
+ AS_VAR_PUSHDEF in a way that works with older autoconf.
+ * m4/warnings.m4 (gl_WARN_ADD): Likewise.
+ Reported by Daniel P. Berrange.
+
2011-07-25 Bruno Haible <bruno@clisp.org>
fseek, ftell: Fix doc.
-# include_next.m4 serial 18
+# include_next.m4 serial 19
dnl Copyright (C) 2006-2011 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
[AS_VAR_PUSHDEF([gl_next_header],
[gl_cv_next_]m4_defn([gl_HEADER_NAME]))
if test $gl_cv_have_include_next = yes; then
- AS_VAR_SET([gl_next_header], ['<'gl_HEADER_NAME'>'])
+ AS_VAR_SET(gl_next_header, ['<'gl_HEADER_NAME'>'])
else
AC_CACHE_CHECK(
[absolute name of <]m4_defn([gl_HEADER_NAME])[>],
dnl eval is necessary to expand gl_absname_cpp.
dnl Ultrix and Pyramid sh refuse to redirect output of eval,
dnl so use subshell.
- AS_VAR_SET([gl_next_header],
+ AS_VAR_SET(gl_next_header,
['"'`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&AS_MESSAGE_LOG_FD |
sed -n '\#/]m4_defn([gl_HEADER_NAME])[#{
s#.*"\(.*/]m4_defn([gl_HEADER_NAME])[\)".*#\1#
}'`'"'])
m4_if([$2], [check],
[else
- AS_VAR_SET([gl_next_header], ['<'gl_HEADER_NAME'>'])
+ AS_VAR_SET(gl_next_header, ['<'gl_HEADER_NAME'>'])
fi
])
])
fi
AC_SUBST(
AS_TR_CPP([NEXT_]m4_defn([gl_HEADER_NAME])),
- [AS_VAR_GET([gl_next_header])])
+ [AS_VAR_GET(gl_next_header)])
if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
# INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
gl_next_as_first_directive='<'gl_HEADER_NAME'>'
else
# INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
- gl_next_as_first_directive=AS_VAR_GET([gl_next_header])
+ gl_next_as_first_directive=AS_VAR_GET(gl_next_header)
fi
AC_SUBST(
AS_TR_CPP([NEXT_AS_FIRST_DIRECTIVE_]m4_defn([gl_HEADER_NAME])),
-# warnings.m4 serial 3
+# warnings.m4 serial 4
dnl Copyright (C) 2008-2011 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
# gl_WARN_ADD([-Wparentheses]).
AC_DEFUN([gl_WARN_ADD],
[AS_VAR_PUSHDEF([gl_Warn], [gl_cv_warn_$1])dnl
-AC_CACHE_CHECK([whether compiler handles $1], [gl_Warn], [
+AC_CACHE_CHECK([whether compiler handles $1], m4_defn([gl_Warn]), [
gl_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="${CPPFLAGS} $1"
AC_PREPROC_IFELSE([AC_LANG_PROGRAM([])],
- [AS_VAR_SET([gl_Warn], [yes])],
- [AS_VAR_SET([gl_Warn], [no])])
+ [AS_VAR_SET(gl_Warn, [yes])],
+ [AS_VAR_SET(gl_Warn, [no])])
CPPFLAGS="$gl_save_CPPFLAGS"
])
AS_VAR_PUSHDEF([gl_Flags], m4_if([$2], [], [[WARN_CFLAGS]], [[$2]]))dnl
-AS_VAR_IF([gl_Warn], [yes], [gl_AS_VAR_APPEND([gl_Flags], [" $1"])])
+AS_VAR_IF(gl_Warn, [yes], [gl_AS_VAR_APPEND([gl_Flags], [" $1"])])
AS_VAR_POPDEF([gl_Flags])dnl
AS_VAR_POPDEF([gl_Warn])dnl
m4_ifval([$2], [AS_LITERAL_IF([$2], [AC_SUBST([$2])], [])])dnl