https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78267
--- Comment #41 from Jack Howarth <howarth.at.gcc at gmail dot com> --- (In reply to r...@cebitec.uni-bielefeld.de from comment #39) > > --- Comment #36 from Jack Howarth <howarth.at.gcc at gmail dot com> --- > > Created attachment 40044 [details] > > --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40044&action=edit > > fixincludes trace.h generated in stage 1 > > > > fixincludes trace.h generated in stage 1 on darwin15 using > > https://gcc.gnu.org/ml/gcc-patches/2016-11/msg01045.html > > So the fix has worked as expected/designed. Good to have the confirmation. > > Rainer I see the problem now. Your proposed fix from https://gcc.gnu.org/ml/gcc-patches/2016-11/msg01045.html simply is simply insufficient in the absence of the change proposed in Comment 33... 2016-11-14 Jack Howarth <howarth.at....@gmail.com> libsanitizer/ PR sanitizer/78267 * sanitizer_common/sanitizer_mac.cc: Include <os/trace.h> only if compiler supports blocks extension. Index: libsanitizer/sanitizer_common/sanitizer_mac.cc =================================================================== --- libsanitizer/sanitizer_common/sanitizer_mac.cc (revision 242387) +++ libsanitizer/sanitizer_common/sanitizer_mac.cc (working copy) @@ -34,7 +34,7 @@ extern char **environ; #endif -#if defined(__has_include) && __has_include(<os/trace.h>) +#if defined(__has_include) && __has_include(<os/trace.h>) && defined(__BLOCKS__) #define SANITIZER_OS_TRACE 1 #include <os/trace.h> #else Otherwise the definition of SANITIZER_OS_TRACE results in libsanitizer/sanitizer_common/sanitizer_mac.cc making calls to os_trace().
