Implement the %F directive if the system doesn't implement it correctly.

[pspp] / m4 / vasnprintf.m4

diff --git a/m4/vasnprintf.m4 b/m4/vasnprintf.m4
index b17761cf15a4f4dc5752477a79043d0cc7b84b55..79886e75f4ac0c26214fbebc349c62cb619b849a 100644 (file)
--- a/m4/vasnprintf.m4
+++ b/m4/vasnprintf.m4
@@ -1,4 +1,4 @@
-# vasnprintf.m4 serial 12
+# vasnprintf.m4 serial 13
 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,
@@ -75,6 +75,21 @@ AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_A],
   esac
 ])
 
+# Extra prerequisites of lib/vasnprintf.c for supporting the 'F' directive.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_F],
+[
+  AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
+  case "$gl_cv_func_printf_directive_f" in
+    *yes)
+      ;;
+    *)
+      AC_DEFINE([NEED_PRINTF_DIRECTIVE_F], 1,
+        [Define if the vasnprintf implementation needs special code for
+         the 'F' directive.])
+      ;;
+  esac
+])
+
 # Prerequisites of lib/asnprintf.c.
 AC_DEFUN([gl_PREREQ_ASNPRINTF],
 [