Use va_copy() to get a copy of va_list, instead of using original.

[nmh] / m4 / cppflags.m4

diff --git a/m4/cppflags.m4 b/m4/cppflags.m4
index 1e2401c1bf0d97954052669942ede5a0894b6389..b860ea6780cec0d07bf9f94d8168d865627745e5 100644 (file)
--- a/m4/cppflags.m4
+++ b/m4/cppflags.m4
@@ -1,4 +1,3 @@
-dnl
 dnl This is intended to be extensible, by just adding candidate C preprocessor
 dnl options to be checked in the for loop.  The first candidate is empty, in
 dnl case none are needed.  Also, the test program can be readily augmented.
@@ -43,9 +42,10 @@ AC_DEFUN([NMH_ADDL_CPPFLAGS],
                   [AC_LANG_PROGRAM([#include <string.h>],
                                    [return strdup("x") == 0])],
                   [AM_CPPFLAGS="${nmh_cv_addl_cppflags}"; break;])])
-    done])
+    done
     CFLAGS="$nmh_saved_cflags"
     CPPFLAGS="$nmh_saved_cppflags"
+    ])
 
     dnl autoconf doesn't currently provide a macro to disable AC_LANG_WERROR,
     dnl so do it this way: