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authorManuel A. Fernandez Montecelo <manuel.montezelo@gmail.com>2016-05-26 16:48:39 +0100
committerManuel A. Fernandez Montecelo <manuel.montezelo@gmail.com>2016-05-26 16:48:39 +0100
commit8dfc46115527afe3706e9e4225e9ad019c97d695 (patch)
tree372d5192b218455834781a0037c57e919a06b488 /gnulib-m4/warn-on-use.m4
parent2291cf138eb72ad38d8c59b8b6f762875c8c4ff2 (diff)
parent5f2b09982312c98863eb9a8dfe2c608b81f58259 (diff)
Merge tag 'upstream/0.9.6'
Upstream version 0.9.6
Diffstat (limited to 'gnulib-m4/warn-on-use.m4')
-rw-r--r--gnulib-m4/warn-on-use.m414
1 files changed, 8 insertions, 6 deletions
diff --git a/gnulib-m4/warn-on-use.m4 b/gnulib-m4/warn-on-use.m4
index 42daae8..1e98dc9 100644
--- a/gnulib-m4/warn-on-use.m4
+++ b/gnulib-m4/warn-on-use.m4
@@ -1,5 +1,5 @@
-# warn-on-use.m4 serial 2
-dnl Copyright (C) 2010 Free Software Foundation, Inc.
+# warn-on-use.m4 serial 5
+dnl Copyright (C) 2010-2015 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.
@@ -18,8 +18,8 @@ dnl with or without modifications, as long as this notice is preserved.
# some systems declare functions in the wrong header, then INCLUDES
# should do likewise.
#
-# If you assume C89, then it is generally safe to assume declarations
-# for functions declared in that standard (such as gets) without
+# It is generally safe to assume declarations for functions declared
+# in the intersection of C89 and C11 (such as printf) without
# needing gl_WARN_ON_USE_PREPARE.
AC_DEFUN([gl_WARN_ON_USE_PREPARE],
[
@@ -27,6 +27,8 @@ AC_DEFUN([gl_WARN_ON_USE_PREPARE],
[AH_TEMPLATE([HAVE_RAW_DECL_]AS_TR_CPP(m4_defn([gl_decl])),
[Define to 1 if ]m4_defn([gl_decl])[ is declared even after
undefining macros.])])dnl
+dnl FIXME: gl_Symbol must be used unquoted until we can assume
+dnl autoconf 2.64 or newer.
for gl_func in m4_flatten([$2]); do
AS_VAR_PUSHDEF([gl_Symbol], [gl_cv_have_raw_decl_$gl_func])dnl
AC_CACHE_CHECK([whether $gl_func is declared without a macro],
@@ -35,8 +37,8 @@ AC_DEFUN([gl_WARN_ON_USE_PREPARE],
[@%:@undef $gl_func
(void) $gl_func;])],
[AS_VAR_SET(gl_Symbol, [yes])], [AS_VAR_SET(gl_Symbol, [no])])])
- AS_VAR_IF(gl_Symbol, [yes],
- [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_RAW_DECL_$gl_func]), [1])
+ AS_VAR_IF(gl_Symbol, [yes],
+ [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_RAW_DECL_$gl_func]), [1])
dnl shortcut - if the raw declaration exists, then set a cache
dnl variable to allow skipping any later AC_CHECK_DECL efforts
eval ac_cv_have_decl_$gl_func=yes])