try cblas test on osx

modules/cblas.cmake

@@ -65,12 +65,16 @@ if(ENABLE_CBLAS)
     endfunction()
 
     set(CBLAS_FOUND FALSE)
-
-    set(CBLAS_INCLUDE_DIR "undefined")
-    _find_include_dir(cblas.h /usr CBLAS_INCLUDE_DIR)
-
     set(CBLAS_LIBRARIES "undefined")
-    _find_library(cblas cblas_dgemm CBLAS_LIBRARIES)
+    set(CBLAS_INCLUDE_DIR "undefined")
+
+    if(APPLE)
+        _find_include_dir(Accelerate/Accelerate.h /usr CBLAS_INCLUDE_DIR)
+        _find_library(Accelerate cblas_dgemm CBLAS_LIBRARIES)
+    else()
+        _find_include_dir(cblas.h /usr CBLAS_INCLUDE_DIR)
+        _find_library(cblas cblas_dgemm CBLAS_LIBRARIES)
+    endif()
 
     if(NOT ${CBLAS_INCLUDE_DIR} STREQUAL "undefined" AND NOT ${CBLAS_LIBRARIES} STREQUAL "undefined")
         set(CBLAS_FOUND TRUE)

test/cxx_cblas/src/example.cxx

@@ -1,7 +1,11 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#ifdef __APPLE__
+#include "Accelerate/Accelerate.h"
+#else
 #include "cblas.h"
+#endif
 
 int main()
 {

test/test.py

@@ -169,7 +169,6 @@ def test_fc_blas_static():
     configure_build_and_exe('fc_blas', 'python setup.py --fc=gfortran --static --cmake-options="-DMATH_LIB_SEARCH_ORDER=\'OPENBLAS;ATLAS;MKL;SYSTEM_NATIVE\'"')
 
 
-@skip_on_osx
 def test_cxx_cblas():
     configure_build_and_exe('cxx_cblas', 'python setup.py --cxx=g++ --cblas')