On Mon, Jan 5, 2015 at 5:12 AM, Andrew Haley <aph@xxxxxxxxxx> wrote: > On 05/01/15 10:29, Cyd Haselton wrote: >> On Mon, Jan 5, 2015 at 3:52 AM, Andrew Haley <aph@xxxxxxxxxx> wrote: >>> On 05/01/15 01:23, Cyd Haselton wrote: >>> >>> Hmm. Right now I would have thought that the only command you'd need >>> to run on both was the one which failed on 4.9, whatever that was. >> >> See the list of commands I posted for the 4.8.4 libgcc build...both >> are exactly the same. > > Okay, so the input files are different. Look at whichever input file > supplies dlopen in 4.8 and see if it doesn't supply dlopen in 4.9. > >> I can try again to manually re-run both commands (see previous emails >> for exact command) but if one succeeds and one fails i'm not sure how >> that would help diagnose the issue or provide info that would do the >> same. > > It gives us exactly what we need. Look in the input files. See > which one supplies dlopen. > >> Wouldn't it be more helpful if I post the differences between both >> buuld dirs...something that would indicate why one build failed and >> the other didn't? > > You need to look inside the files with "nm" or something similar. > > Andrew. > > I'm guessing because I haven't received a reply yet but here's the first few lines of 'cat gcc/nm' run in both the 4.8 and 4.9 build dirs 4.9 build # Invoke as, ld or nm from the build tree. ORIGINAL_AS_FOR_TARGET="/usr/gcc-4.9.2/bin/as" ORIGINAL_LD_FOR_TARGET="/usr/gcc-4.9.2/bin/ld" ORIGINAL_LD_BFD_FOR_TARGET="/usr/gcc-4.9.2/bin/ld.bfd" ORIGINAL_LD_GOLD_FOR_TARGET="/usr/gcc-4.9.2/bin/ld.gold" ORIGINAL_PLUGIN_LD_FOR_TARGET="/usr/gcc-4.9.2/bin/ld" ORIGINAL_NM_FOR_TARGET="/usr/gcc-4.9.2/bin/nm" 4.8 build # Invoke as, ld or nm from the build tree. ORIGINAL_AS_FOR_TARGET="/usr/gcc-4.8.4/bin/as" ORIGINAL_LD_FOR_TARGET="/usr/gcc-4.8.4/bin/ld" ORIGINAL_PLUGIN_LD_FOR_TARGET="/usr/gcc-4.8.4/bin/ld" ORIGINAL_NM_FOR_TARGET="/usr/gcc-4.8.4/bin/nm"