[llvm-commits] CVS: llvm/autoconf/acinclude.m4

[Brian Gaeke]

Changes in directory llvm/autoconf:

acinclude.m4 updated: 1.6 -> 1.7

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Log message:

Add support for checking for isinf().
Patch contributed by Bill Wendling.


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Diffs of the changes:  (+14 -0)

Index: llvm/autoconf/acinclude.m4
diff -u llvm/autoconf/acinclude.m4:1.6 llvm/autoconf/acinclude.m4:1.7
--- llvm/autoconf/acinclude.m4:1.6	Tue Jun 22 18:42:49 2004
+++ llvm/autoconf/acinclude.m4	Tue Jul 20 22:14:39 2004
@@ -6282,3 +6282,17 @@
                      using std::isnan; int foo(float f) {return isnan(f);}])
 ])
 
+AC_DEFUN([AC_FUNC_ISINF],[
+AC_SINGLE_CXX_CHECK([HAVE_ISINF_IN_MATH_H],    [ac_cv_func_isinf_in_math_h],   
+                    [isinf], [<math.h>],
+                    [#include <math.h>
+                     int foo(float f) {return isinf(f);}])
+AC_SINGLE_CXX_CHECK([HAVE_ISINF_IN_CMATH],     [ac_cv_func_isinf_in_cmath],    
+                    [isinf], [<cmath>],
+                    [#include <cmath>
+                     int foo(float f) {return isinf(f);}])
+AC_SINGLE_CXX_CHECK([HAVE_STD_ISINF_IN_CMATH], [ac_cv_func_std_isinf_in_cmath],
+                    [std::isinf], [<cmath>],
+                    [#include <cmath>
+                     using std::isinf; int foo(float f) {return isinf(f);}])
+])