On Sun, Dec 14, 2014 at 7:39 PM, Cyd Haselton <chaselton@xxxxxxxxx> wrote: > On Sat, Dec 13, 2014 at 6:45 PM, Cyd Haselton <chaselton@xxxxxxxxx> wrote: >> This is (hopefully) related to the previous issue I posted about >> libgcc failing to build on Android. I ran gcc -dumpspec, xgcc >> -dumpspec, compared the two and noticed that, for the *link_command >> -ldl is specified with -lpthread for static-libasan for the installed >> GCC and is not for the *link_command portion of the newly built >> XGCC...which appears to be used for building libgcc. >> >> Is there a way to change the link_command for the newly built xgcc so >> that it includes -ldl? >> >> Alternatively, if I am off track with troubleshooting, let me know. > > UPDATE: I may have found the solution to this issue; googling libasan > and libpthread yielded a link to gnu-user.h from a different repo > which led me to hunt down the 4.8.0 version of the same file, which > included two additional defines: > > /* Additional libraries needed by -static-libasan. */ > #undef STATIC_LIBASAN_LIBS > #define STATIC_LIBASAN_LIBS "-ldl -lpthread" > > /* Additional libraries needed by -static-libtsan. */ > #undef STATIC_LIBTSAN_LIBS > #define STATIC_LIBTSAN_LIBS "-ldl -lpthread" > > I've added these to the end of the 4.9.2 gnu-user.h and am currently > re-running make after running make clean in the builddir/gcc > directory. UPDATE: This did not work because the mods were not integratedinto dumpspecs. Trying something else...but I am open to suggestions. At this point i'm guessing at what will work based on picking through various bits of the toplevel/gcc dir.
