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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [boehm-gc/] [Mac_files/] [MacOS_Test_config.h] - Rev 733
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/* MacOS_Test_config.h Configuration flags for Macintosh development systems. Test version. <Revision History> 11/16/95 pcb Updated compilation flags to reflect latest 4.6 Makefile. by Patrick C. Beard. */ /* Boehm, November 17, 1995 12:05 pm PST */ #ifdef __MWERKS__ // for CodeWarrior Pro with Metrowerks Standard Library (MSL). // #define MSL_USE_PRECOMPILED_HEADERS 0 #include <ansi_prefix.mac.h> #ifndef __STDC__ #define __STDC__ 0 #endif #endif // these are defined again in gc_priv.h. #undef TRUE #undef FALSE #define ALL_INTERIOR_POINTERS // follows interior pointers. //#define SILENT // want collection messages. //#define DONT_ADD_BYTE_AT_END // no padding. //#define SMALL_CONFIG // whether to a smaller heap. #define NO_SIGNALS // signals aren't real on the Macintosh. #define USE_TEMPORARY_MEMORY // use Macintosh temporary memory. // CFLAGS= -O -DNO_SIGNALS -DALL_INTERIOR_POINTERS -DSILENT // //LIBGC_CFLAGS= -O -DNO_SIGNALS -DSILENT \ // -DREDIRECT_MALLOC=GC_malloc_uncollectable \ // -DDONT_ADD_BYTE_AT_END -DALL_INTERIOR_POINTERS // Flags for building libgc.a -- the last two are required. // // Setjmp_test may yield overly optimistic results when compiled // without optimization. // -DSILENT disables statistics printing, and improves performance. // -DCHECKSUMS reports on erroneously clear dirty bits, and unexpectedly // altered stubborn objects, at substantial performance cost. // Use only for incremental collector debugging. // -DFIND_LEAK causes the collector to assume that all inaccessible // objects should have been explicitly deallocated, and reports exceptions. // Finalization and the test program are not usable in this mode. // -DSOLARIS_THREADS enables support for Solaris (thr_) threads. // (Clients should also define SOLARIS_THREADS and then include // gc.h before performing thr_ or GC_ operations.) // This is broken on nonSPARC machines. // -DALL_INTERIOR_POINTERS allows all pointers to the interior // of objects to be recognized. (See gc_priv.h for consequences.) // -DSMALL_CONFIG tries to tune the collector for small heap sizes, // usually causing it to use less space in such situations. // Incremental collection no longer works in this case. // -DLARGE_CONFIG tunes the collector for unusually large heaps. // Necessary for heaps larger than about 500 MB on most machines. // Recommended for heaps larger than about 64 MB. // -DDONT_ADD_BYTE_AT_END is meaningful only with // -DALL_INTERIOR_POINTERS. Normally -DALL_INTERIOR_POINTERS // causes all objects to be padded so that pointers just past the end of // an object can be recognized. This can be expensive. (The padding // is normally more than one byte due to alignment constraints.) // -DDONT_ADD_BYTE_AT_END disables the padding. // -DNO_SIGNALS does not disable signals during critical parts of // the GC process. This is no less correct than many malloc // implementations, and it sometimes has a significant performance // impact. However, it is dangerous for many not-quite-ANSI C // programs that call things like printf in asynchronous signal handlers. // -DGC_OPERATOR_NEW_ARRAY declares that the C++ compiler supports the // new syntax "operator new[]" for allocating and deleting arrays. // See gc_cpp.h for details. No effect on the C part of the collector. // This is defined implicitly in a few environments. // -DREDIRECT_MALLOC=X causes malloc, realloc, and free to be defined // as aliases for X, GC_realloc, and GC_free, respectively. // Calloc is redefined in terms of the new malloc. X should // be either GC_malloc or GC_malloc_uncollectable. // The former is occasionally useful for working around leaks in code // you don't want to (or can't) look at. It may not work for // existing code, but it often does. Neither works on all platforms, // since some ports use malloc or calloc to obtain system memory. // (Probably works for UNIX, and win32.) // -DNO_DEBUG removes GC_dump and the debugging routines it calls. // Reduces code size slightly at the expense of debuggability.
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