Import("env")
+# This is needed to get INT32_MIN etc. macros defined
+env = env.Clone()
+env.Append(CPPDEFINES = ['__STDC_LIMIT_MACROS'])
+
# Copy the files to .cxx extension in order to force C++ build.
c = Copy("$TARGET", "$SOURCE")
-Command("pb_encode.cxx", "#../pb_encode.c", c)
-Command("pb_decode.cxx", "#../pb_decode.c", c)
-Command("alltypes.pb.h", "#alltypes/alltypes.pb.h", c)
-Command("alltypes.pb.cxx", "#alltypes/alltypes.pb.c", c)
-Command("encode_alltypes.cxx", "#alltypes/encode_alltypes.c", c)
-Command("decode_alltypes.cxx", "#alltypes/decode_alltypes.c", c)
+env.Command("pb_encode.cxx", "#../pb_encode.c", c)
+env.Command("pb_decode.cxx", "#../pb_decode.c", c)
+env.Command("alltypes.pb.h", "$BUILD/alltypes/alltypes.pb.h", c)
+env.Command("alltypes.pb.cxx", "$BUILD/alltypes/alltypes.pb.c", c)
+env.Command("encode_alltypes.cxx", "$BUILD/alltypes/encode_alltypes.c", c)
+env.Command("decode_alltypes.cxx", "$BUILD/alltypes/decode_alltypes.c", c)
# Now build and run the test normally.
enc = env.Program(["encode_alltypes.cxx", "alltypes.pb.cxx", "pb_encode.cxx"])