X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Fcheck-math-lib.m4;h=77570f4b23dd90fb5ee4c0fb67ecaa0a01177b6a;hb=4c70b27d0ef674b04f414b8e7f6717e6a1d73a46;hp=5f43a0783fea2a2ca30ed123fded1c57284bbb2e;hpb=30dccb610124997ff5776d80979d24375f39b12a;p=gnulib.git

diff --git a/m4/check-math-lib.m4 b/m4/check-math-lib.m4
index 5f43a0783..77570f4b2 100644
--- a/m4/check-math-lib.m4
+++ b/m4/check-math-lib.m4
@@ -1,10 +1,10 @@
-# check-math-lib.m4 serial 3
-dnl Copyright (C) 2007 Free Software Foundation, Inc.
+# check-math-lib.m4 serial 4
+dnl Copyright (C) 2007, 2009-2013 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 dnl
-dnl gl_CHECK_MATH_LIB (VARIABLE, EXPRESSION)
+dnl gl_CHECK_MATH_LIB (VARIABLE, EXPRESSION [, EXTRA-CODE])
 dnl
 dnl Sets the shell VARIABLE according to the libraries needed by EXPRESSION
 dnl to compile and link: to the empty string if no extra libraries are needed,
@@ -22,6 +22,7 @@ AC_DEFUN([gl_CHECK_MATH_LIB], [
          # define __NO_MATH_INLINES 1 /* for glibc */
          #endif
          #include <math.h>
+         $3
          double x;]],
       [$2])],
       [$1=$libm