# Flags passed to the preprocessor.
# Set Google Test's header directory as a system directory, such that
# the compiler doesn't generate warnings in Google Test headers.
-CPPFLAGS += -isystem $(GTEST_DIR)/include
+#CPPFLAGS += -isystem $(GTEST_DIR)/include
# Flags passed to the C++ compiler.
CXXFLAGS += -pthread
CXXFLAGS+= -Wno-missing-declarations
CXXFLAGS+= -Wno-missing-field-initializers
CXXFLAGS+= -Wno-suggest-attribute=pure -Wno-suggest-attribute=const -Wno-suggest-attribute=noreturn
+CXXFLAGS+= -Wno-undef
# All Google Test headers. Usually you shouldn't change this definition.
GTEST_HEADERS = /usr/include/gtest/*.h \