Smallest tool size: 8496 bytes for both.Total size of 52 built tools: 1930264 bytes with clang, 2039276 with gcc. Time to build 52 C tools: 1.17 seconds with clang, 2.32 seconds with gcc.(18% faster on the new MBP15 compared to the last iMac gcc-10 build)Ĭomparing clang 10 and gcc-10-20191124, building tools using -Oz for clang, -Ofast for gcc: (6% faster than last gcc-10 build, same machine, as it used gcc-10 rather than clang for first build.) (6% faster than last gcc-9 build, same machine, as it used gcc-10 rather than clang for first build.) There are many ATTRIBUTE_NONNULL related preprocessor errors. gcc/gimple-streamer-in.c has an undefined type, cgraph_node. Mac OS X 10.13.6 High Sierra, and I was able to build GCC 10 just fine. Today () I booted my iMac up off an external SSD running My builds have therefore largely come to a stop. GCC no longer builds on macOS 10.15 Catalina, due to Apple's horrible decision to get rid of /usr/include. This allows GCC's triple bootstrap to work! Alas, once you have a working GCC, builds with it do not work until youĭelete the newly created /usr/include link. configure -enable-bootstrap -enable-languages=c,fortran -disable-nls -disable-multilib -enable-checking=release CFLAGS='-Os -g0 -mmacosx-version-min=10.8' CXXFLAGS='-Os -g0 -mmacosx-version-min=10.8'
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