more c compilers

Author: Teseo Schneider

setup.py

@@ -68,18 +68,20 @@ def build_extension(self, ext):
             print("CXX compiler", tmp)
             if tmp:
                 cmake_args += ["-DCMAKE_CXX_COMPILER={}".format(tmp)]
+        else:
+            tmp = os.getenv('CC_FOR_BUILD')
+            if tmp:
+                print("Setting c compiler to", tmp)
+                cmake_args += ["-DCMAKE_C_COMPILER=" + tmp]
+
+            tmp = os.getenv('CXX_FOR_BUILD')
+            if tmp:
+                print("Setting cxx compiler to", tmp)
+                cmake_args += ["-DCMAKE_CXX_COMPILER="+ tmp]
 
         env = os.environ.copy()
         env['CXXFLAGS'] = '{} -DVERSION_INFO=\\"{}\\"'.format(env.get('CXXFLAGS', ''),self.distribution.get_version())
-        tmp = os.getenv('CC_FOR_BUILD')
-        if tmp:
-            print("Setting c compiler to", tmp)
-            cmake_args += ["-DCMAKE_C_COMPILER=" + tmp]
 
-        tmp = os.getenv('CXX_FOR_BUILD')
-        if tmp:
-            print("Setting cxx compiler to", tmp)
-            cmake_args += ["-DCMAKE_CXX_COMPILER="+ tmp]
 
 
         tmp = os.getenv("target_platform")