Do not pass compiler path options to scons if they were not set.

cournape · cournape · commit 2d078a143268 · 2009-09-09T00:48:13.000Z
diff --git a/numpy/distutils/command/scons.py b/numpy/distutils/command/scons.py
@@ -494,17 +494,20 @@ def run(self):
 
                 if not self._bypass_distutils_cc:
                     cmd.append('cc_opt=%s' % self.scons_compiler)
-                    cmd.append('cc_opt_path=%s' % self.scons_compiler_path)
+		    if self.scons_compiler_path:
+                        cmd.append('cc_opt_path=%s' % self.scons_compiler_path)
                 else:
                     cmd.append('cc_opt=%s' % self.scons_compiler)
 
                 if self.scons_fcompiler:
                     cmd.append('f77_opt=%s' % self.scons_fcompiler)
-                    cmd.append('f77_opt_path=%s' % protect_path(self.scons_fcompiler_path))
+		    if self.scons_fcompiler_path:
+                        cmd.append('f77_opt_path=%s' % protect_path(self.scons_fcompiler_path))
 
                 if self.scons_cxxcompiler:
                     cmd.append('cxx_opt=%s' % self.scons_cxxcompiler)
-                    cmd.append('cxx_opt_path=%s' % protect_path(self.scons_cxxcompiler_path))
+		    if self.scons_cxxcompiler_path:
+                        cmd.append('cxx_opt_path=%s' % protect_path(self.scons_cxxcompiler_path))
 
                 cmd.append('include_bootstrap=%s' % dirl_to_str(get_numpy_include_dirs(sconscript)))
                 if self.silent:
