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compilecheck.hpp

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00001 #ifndef FILE_COMPILECHECK_HPP
00002 #define FILE_COMPILECHECK_HPP
00003 
00004 /* Don't compile on egcs
00005 template <bool B>
00006 struct CompileCheck
00007 {};
00008 
00009 struct CompileCheck<true>
00010 {};
00011 
00012 struct CompileCheck<false>
00013 {
00014   // not defined
00015   CompileCheck();
00016 };
00017 */
00018 
00019 /* this work even in C */
00020 #if defined(__GNUC__) && __GNUC__ >= 2
00021 #define COMPILE_CHECK(name,check) \
00022     extern int name[(check)?1:-1] __attribute__ ((unused))
00023 #else
00024 #define COMPILE_CHECK(name,check) \
00025     extern int name[(check)?1:-1]
00026 #endif
00027 
00028 #endif //FILE_COMPILECHECK_HPP

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