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[gnulib.git] / m4 / sprintf-posix.m4

diff --git a/m4/sprintf-posix.m4 b/m4/sprintf-posix.m4
index c0c1d4a..7aadf07 100644 (file)
--- a/m4/sprintf-posix.m4
+++ b/m4/sprintf-posix.m4
@@ -1,4 +1,4 @@
-# sprintf-posix.m4 serial 3
+# sprintf-posix.m4 serial 5
 dnl Copyright (C) 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,
@@ -12,6 +12,8 @@ AC_DEFUN([gl_FUNC_SPRINTF_POSIX],
   AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
   AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
   AC_REQUIRE([gl_PRINTF_POSITIONS])
+  AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
+  AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
   gl_cv_func_sprintf_posix=no
   case "$gl_cv_func_printf_sizes_c99" in
     *yes)
@@ -23,8 +25,16 @@ AC_DEFUN([gl_FUNC_SPRINTF_POSIX],
                 *yes)
                   case "$gl_cv_func_printf_positions" in
                     *yes)
-                      # sprintf exists and is already POSIX compliant.
-                      gl_cv_func_sprintf_posix=yes
+                      case "$gl_cv_func_printf_flag_grouping" in
+                        *yes)
+                          case "$gl_cv_func_printf_flag_zero" in
+                            *yes)
+                              # sprintf exists and is already POSIX compliant.
+                              gl_cv_func_sprintf_posix=yes
+                              ;;
+                          esac
+                          ;;
+                      esac
                       ;;
                   esac
                   ;;
@@ -38,6 +48,8 @@ AC_DEFUN([gl_FUNC_SPRINTF_POSIX],
   if test $gl_cv_func_sprintf_posix = no; then
     gl_PREREQ_VASNPRINTF_DIRECTIVE_A
     gl_PREREQ_VASNPRINTF_DIRECTIVE_F
+    gl_PREREQ_VASNPRINTF_FLAG_GROUPING
+    gl_PREREQ_VASNPRINTF_FLAG_ZERO
     gl_REPLACE_VASNPRINTF
     gl_REPLACE_SPRINTF
   fi