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 4ae3d10921ac3dc776e2a6907b52996f766fc3c7..79886e75f4ac0c26214fbebc349c62cb619b849a 100644 (file)
--- a/m4/vasnprintf.m4
+++ b/m4/vasnprintf.m4
@@ -1,4 +1,4 @@
-# vasnprintf.m4 serial 8
+# 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,
@@ -7,7 +7,7 @@ dnl with or without modifications, as long as this notice is preserved.
 AC_DEFUN([gl_FUNC_VASNPRINTF],
 [
   AC_REQUIRE([gl_EOVERFLOW])
-  AC_CHECK_FUNCS([vasnprintf])
+  AC_CHECK_FUNCS_ONCE([vasnprintf])
   if test $ac_cv_func_vasnprintf = no; then
     gl_REPLACE_VASNPRINTF
   fi
@@ -15,10 +15,15 @@ AC_DEFUN([gl_FUNC_VASNPRINTF],
 
 AC_DEFUN([gl_REPLACE_VASNPRINTF],
 [
+  AC_CHECK_FUNCS_ONCE([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
@@ -29,7 +34,6 @@ AC_DEFUN([gl_REPLACE_VASNPRINTF],
 AC_DEFUN([gl_PREREQ_PRINTF_ARGS],
 [
   AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
-  AC_REQUIRE([gt_TYPE_LONGDOUBLE])
   AC_REQUIRE([gt_TYPE_WCHAR_T])
   AC_REQUIRE([gt_TYPE_WINT_T])
 ])
@@ -38,7 +42,6 @@ AC_DEFUN([gl_PREREQ_PRINTF_ARGS],
 AC_DEFUN([gl_PREREQ_PRINTF_PARSE],
 [
   AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
-  AC_REQUIRE([gt_TYPE_LONGDOUBLE])
   AC_REQUIRE([gt_TYPE_WCHAR_T])
   AC_REQUIRE([gt_TYPE_WINT_T])
   AC_REQUIRE([AC_TYPE_SIZE_T])
@@ -51,12 +54,42 @@ AC_DEFUN([gl_PREREQ_VASNPRINTF],
 [
   AC_REQUIRE([AC_FUNC_ALLOCA])
   AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
-  AC_REQUIRE([gt_TYPE_LONGDOUBLE])
   AC_REQUIRE([gt_TYPE_WCHAR_T])
   AC_REQUIRE([gt_TYPE_WINT_T])
   AC_CHECK_FUNCS(snprintf wcslen)
 ])
 
+# Extra prerequisites of lib/vasnprintf.c for supporting the 'a' directive.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_A],
+[
+  AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
+  case "$gl_cv_func_printf_directive_a" in
+    *yes)
+      ;;
+    *)
+      AC_DEFINE([NEED_PRINTF_DIRECTIVE_A], 1,
+        [Define if the vasnprintf implementation needs special code for
+         the 'a' and 'A' directives.])
+      AC_CHECK_FUNCS([nl_langinfo])
+      ;;
+  esac
+])
+
+# Extra prerequisites of lib/vasnprintf.c for supporting the 'F' directive.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_F],
+[
+  AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
+  case "$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],
 [