Merging r259236:

[oota-llvm.git] / autoconf / m4 / c_printf_a.m4

diff --git a/autoconf/m4/c_printf_a.m4 b/autoconf/m4/c_printf_a.m4
index 86f5269d4d72547340ac47b119c36dbffb5c0938..61bac8c9dd1189d50e78f2ba3fd78777ef7897a8 100644 (file)
--- a/autoconf/m4/c_printf_a.m4
+++ b/autoconf/m4/c_printf_a.m4
@@ -2,11 +2,11 @@
 # Determine if the printf() functions have the %a format character.
 # This is modified from:
 # http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_have_ext_slist.html
-AC_DEFUN([AC_C_PRINTF_A],[
-  AC_MSG_CHECKING([for printf %a format specifier])
-  AC_LANG_PUSH([C])
-  AC_RUN_IFELSE([
-    AC_LANG_PROGRAM([[
+AC_DEFUN([AC_C_PRINTF_A],
+[AC_CACHE_CHECK([if printf has the %a format character],[llvm_cv_c_printf_a],
+[AC_LANG_PUSH([C])
+ AC_RUN_IFELSE([
+  AC_LANG_PROGRAM([[
 #include <stdio.h>
 #include <stdlib.h>
 ]],[[
@@ -21,12 +21,11 @@ if (A != B)
 if (A != 0x1.999999999999ap-4)
   return (1);
 return (0);]])],
-  ac_c_printf_a=yes,
-  ac_c_printf_a=no,
-  ac_c_printf_a=no)
- AC_LANG_POP([C])
- AC_MSG_RESULT($ac_c_printf_a)
- if test "$ac_c_printf_a" = "yes"; then
+  llvm_cv_c_printf_a=yes,
+  llvmac_cv_c_printf_a=no,
+  llvmac_cv_c_printf_a=no)
+ AC_LANG_POP([C])])
+ if test "$llvm_cv_c_printf_a" = "yes"; then
    AC_DEFINE([HAVE_PRINTF_A],[1],[Define to have the %a format string])
  fi
 ])