dup2: Remove call-in from fchdir.m4.

[pspp] / m4 / ldexpl.m4

diff --git a/m4/ldexpl.m4 b/m4/ldexpl.m4
index 2f4cf4b89b3486ad161aa44cdce1c3a5d1ab453d..76101f336017259a185d11e438b7871ef804cfd3 100644 (file)
--- a/m4/ldexpl.m4
+++ b/m4/ldexpl.m4
@@ -1,4 +1,4 @@
-# ldexpl.m4 serial 11
+# ldexpl.m4 serial 12
 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -86,7 +86,11 @@ AC_DEFUN([gl_FUNC_LDEXPL_WORKS],
       AC_RUN_IFELSE(
         [AC_LANG_SOURCE([[
 #include <math.h>
-extern long double ldexpl (long double, int);
+extern
+#ifdef __cplusplus
+"C"
+#endif
+long double ldexpl (long double, int);
 int main()
 {
   int result = 0;