make : support overriding CFLAGS/CXXFLAGS/CPPFLAGS/LDFLAGS #2886
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This PR implements something I've been wanting for a long time - the ability to override build flags via the command line when running
make
.For example, one can now easily check for missing
__attribute__((format(printf, ...)))
attributes:Or make a release build with assertions enabled:
All without having to edit the Makefile.