Merge commit 'a39d4083cab589d7cd6a13e8a4b8db8875261d75'

[gnulib.git] / m4 / check-math-lib.m4

diff --git a/m4/check-math-lib.m4 b/m4/check-math-lib.m4
index 30bd2e4..a3894aa 100644 (file)
--- 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, 2009-2011 Free Software Foundation, Inc.
+# check-math-lib.m4 serial 4
+dnl Copyright (C) 2007, 2009-2014 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