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From: Neil Conway on 1 Aug 2010 19:11 I tried $subject recently, and noticed some minor issues: (1) Two warnings that suggest bugs; in src/backend/utils/adt, datetime.c:3101:27: warning: use of logical || with constant operand; switch to bitwise | or remove constant And similarly for src/interfaces/ecpg/pgtypeslib/interval.c. Attached is a patch that replaces logical OR with bitwise OR, which seems to be the intended coding. (2) clang doesn't support (or require) "-no-cpp-precomp", which src/template/darwin adds to $CC unconditionally. Adding the flag unconditionally seems wrong regardless: e.g., -no-cpp-precomp isn't supported by FSF GCC on OSX either. clang is happy to ignore the flag, but it just emits countless "warning: argument unused during compilation: '-no-cpp-precomp'" -- not sure the best way to fix this. Perhaps have configure grep for "apple" in "gcc --version"? (As an aside, is "no-cpp-precomp" still necessary for reasonably-modern versions of Apple GCC?) (3) There are countless warnings emitted during the compilation of regcomp.c and related files, due to unused values returned by ERR(), VERR(), FAILW(), and similar macros. Perhaps it is possible to rewrite the macros to avoid the warning, although I didn't see an easy way to do that. We could also specify -Wno-unused-value, but probably not worth bothering just for clang. Neil
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