http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48245
--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2011-03-23 14:56:37 UTC --- > Which linker do you use, and what's the value of HAVE_LTO_PLUGIN in > gcc/auto-host.h? Could you check the gcc/config.log snippet for the > linker plugin support test. > > If, as I assume, you're using the Darwin linker, HAVE_LTO_PLUGIN should > be 0 and you should get the following error for the linker_plugin test: > > gcc: error: -fuse-linker-plugin is not supported in this configuration The linker is @(#)PROGRAM:ld PROJECT:ld64-97.17 llvm version 2.9svn, from Apple Clang 1.7 (build 77) on x86_64-apple-darwin10.7.0, and @(#)PROGRAM:ld PROJECT:ld64-85.2.1 on powerpc-apple-darwin9. In gcc/auto-host.h I have ... /* Define to the level of your linker's plugin support. */ #ifndef USED_FOR_TARGET #define HAVE_LTO_PLUGIN 0 #endif ... and in gcc/config.log ... | #define LTOPLUGINSONAME "liblto_plugin.so" ... configure:23133: checking linker plugin support configure:23163: result: 0 ... gcc_cv_lto_plugin=0 ... enable_plugin='yes' ... pluginlibs='' ... #define LTOPLUGINSONAME "liblto_plugin.so" ... I have grepped the different *.log files, but I did not see any gcc: error: -fuse-linker-plugin is not supported in this configuration
