Add info about OpenBSD.

[gnulib.git] / m4 / vasnprintf.m4

diff --git a/m4/vasnprintf.m4 b/m4/vasnprintf.m4
index a116949..e7b51dc 100644 (file)
--- a/m4/vasnprintf.m4
+++ b/m4/vasnprintf.m4
@@ -1,31 +1,38 @@
-# vasnprintf.m4 serial 5
-dnl Copyright (C) 2002-2004 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.
+# vasnprintf.m4 serial 8
+dnl Copyright (C) 2002-2004, 2006-2007 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.
 
 AC_DEFUN([gl_FUNC_VASNPRINTF],
 [
   AC_REQUIRE([gl_EOVERFLOW])
-  AC_REPLACE_FUNCS(vasnprintf)
+  AC_CHECK_FUNCS([vasnprintf])
   if test $ac_cv_func_vasnprintf = no; then
-    AC_LIBOBJ(printf-args)
-    AC_LIBOBJ(printf-parse)
-    AC_LIBOBJ(asnprintf)
-    gl_PREREQ_PRINTF_ARGS
-    gl_PREREQ_PRINTF_PARSE
-    gl_PREREQ_VASNPRINTF
-    gl_PREREQ_ASNPRINTF
+    gl_REPLACE_VASNPRINTF
   fi
 ])
 
+AC_DEFUN([gl_REPLACE_VASNPRINTF],
+[
+  AC_LIBOBJ([vasnprintf])
+  AC_LIBOBJ([printf-args])
+  AC_LIBOBJ([printf-parse])
+  AC_LIBOBJ([asnprintf])
+  if test $ac_cv_func_vasnprintf = yes; then
+    AC_DEFINE([REPLACE_VASNPRINTF], 1,
+      [Define if vasnprintf exists but is overridden by gnulib.])
+  fi
+  gl_PREREQ_PRINTF_ARGS
+  gl_PREREQ_PRINTF_PARSE
+  gl_PREREQ_VASNPRINTF
+  gl_PREREQ_ASNPRINTF
+])
+
 # Prequisites of lib/printf-args.h, lib/printf-args.c.
 AC_DEFUN([gl_PREREQ_PRINTF_ARGS],
 [
-  AC_REQUIRE([bh_C_SIGNED])
-  AC_REQUIRE([gl_AC_TYPE_LONG_LONG])
+  AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
   AC_REQUIRE([gt_TYPE_LONGDOUBLE])
   AC_REQUIRE([gt_TYPE_WCHAR_T])
   AC_REQUIRE([gt_TYPE_WINT_T])
@@ -34,7 +41,7 @@ AC_DEFUN([gl_PREREQ_PRINTF_ARGS],
 # Prequisites of lib/printf-parse.h, lib/printf-parse.c.
 AC_DEFUN([gl_PREREQ_PRINTF_PARSE],
 [
-  AC_REQUIRE([gl_AC_TYPE_LONG_LONG])
+  AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
   AC_REQUIRE([gt_TYPE_LONGDOUBLE])
   AC_REQUIRE([gt_TYPE_WCHAR_T])
   AC_REQUIRE([gt_TYPE_WINT_T])
@@ -47,7 +54,7 @@ AC_DEFUN([gl_PREREQ_PRINTF_PARSE],
 AC_DEFUN([gl_PREREQ_VASNPRINTF],
 [
   AC_REQUIRE([AC_FUNC_ALLOCA])
-  AC_REQUIRE([gl_AC_TYPE_LONG_LONG])
+  AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
   AC_REQUIRE([gt_TYPE_LONGDOUBLE])
   AC_REQUIRE([gt_TYPE_WCHAR_T])
   AC_REQUIRE([gt_TYPE_WINT_T])