On Sat, Dec 27, 2014 at 11:40 AM, Andrew Haley <aph@xxxxxxxxxx> wrote: > On 26/12/14 23:54, Cyd Haselton wrote: >> Just to make sure I'm on the same page: >> Rebuild 4.8.3 and/or upgrade to 4.8.4 and keep build directory >> Compare 4.8.4 build dir (or build dir of component that failed) to >> corresponding 4.9.2 location. >> >> That about right? > > No. Keep a log of the entire build: > > make | tee make.log > > and look at how the dynamic libgcc is linked. Look at the makefile > to see where that lib comes from. Look at the 4.9 makefile to see > where it is different. > > Andrew. > I did as suggested and combed through the libgcc build portion of both logs. Configure was exactly the same for both. I then went through both build logs, line by line. Excluding the parts where one build made build subdirs as needed, there were a few differences that appeared to possibly be relevant For the libiberty configure, 4.9 ran the following checks (4.8 did not): checking whether to install libiberty headers and static library... no configure: target_header_dir = For the lto-plugin configure, 4.9 ran the following check (4.8 did not): checking for -static-libgcc... yes For the lto-plugin build, 4.9 used the following option for the libtool link gcc command (4.8. did not): -Wc,-static-libgcc Full libtool link gcc command for the lto-plugin build for both 4.9 and 4.8: 4.9 /android_root/system/bin/sh ./libtool --tag=CC --tag=disable-static --mode=link gcc --sysroot=/usr/gcc-4.9.2/sysroot -Wall -Wall -O -mandroid -mbionic -Wc,-static-libgcc -module -bindir /usr/gcc-4.9.2/libexec/gcc/arm-linux-androideabi/4.9.2 -static-libstdc++ -static-libgcc -Wl,--dynamic-linker=/system/bin/linker -lc -ldl -lgcc -lm -o liblto_plugin.la -rpath /usr/gcc-4.9.2/libexec/gcc/arm-linux-androideabi/4.9.2 lto-plugin.lo -Wc,../libiberty/pic/libiberty.a 4.8 /android_root/system/bin/sh ./libtool --tag=CC --tag=disable-static --mode=link gcc --sysroot=/usr/gcc-4.8.4/sysroot -Wall -Wall -O -mandroid -mbionic -module -bindir /usr/gcc-4.8.4/libexec/gcc/arm-linux-androideabi/4.8.4 -static-libstdc++ -static-libgcc -Wl,--dynamic-linker=/system/bin/linker -lc -ldl -lgcc -lm -o liblto_plugin.la -rpath /usr/gcc-4.8.4/libexec/gcc/arm-linux-androideabi/4.8.4 lto-plugin.lo -Wc,../libiberty/pic/libiberty.a There were others, but I'll hold off including them unless the above are not relevant to my issue.
