On Thu, 17 Oct 2019 at 08:49, Michael LeVine <mlevine@xxxxxxxxxxxx> wrote: > > attmpting to build gcc 9.2.0 > Macosx 10.15 most current update > Xcode.11.1 command line tools > > Build dies with message > > The directory that should contain system headers does not exist: > /usr/include > make[3]: *** [stmp-fixinc] Error 1 > make[2]: *** [all-stage1-gcc] Error 2 > make[1]: *** [stage1-bubble] Error 2 > make: *** [all] Error 2 > > > THe system include files have been moved and no longer exist in that hard coded location, > instead I found them here > > /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90834 (and other bugs for OS X 10.15 issues).
