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| author | Brian Gaeke <gaeke@uiuc.edu> | 2004-07-21 03:14:39 +0000 |
|---|---|---|
| committer | Brian Gaeke <gaeke@uiuc.edu> | 2004-07-21 03:14:39 +0000 |
| commit | 4cc02ac6526014ab46caabac8724ec7db0d49f9e (patch) | |
| tree | 627b3b21125c2fca8fcfb5c943c845c44cc8d281 /autoconf/acinclude.m4 | |
| parent | 52a551d69b539a9571a69d920147f233704bed3f (diff) | |
| download | llvm-4cc02ac6526014ab46caabac8724ec7db0d49f9e.tar.gz llvm-4cc02ac6526014ab46caabac8724ec7db0d49f9e.tar.bz2 llvm-4cc02ac6526014ab46caabac8724ec7db0d49f9e.tar.xz | |
Add support for checking for isinf().
Patch contributed by Bill Wendling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15052 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'autoconf/acinclude.m4')
| -rw-r--r-- | autoconf/acinclude.m4 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/autoconf/acinclude.m4 b/autoconf/acinclude.m4 index 364ecca508..a157839f22 100644 --- a/autoconf/acinclude.m4 +++ b/autoconf/acinclude.m4 @@ -6282,3 +6282,17 @@ AC_SINGLE_CXX_CHECK([HAVE_STD_ISNAN_IN_CMATH], [ac_cv_func_std_isnan_in_cmath], 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);}]) +]) |