On Sun, Nov 23, 2014 at 2:47 PM, Cyd Haselton <chaselton@xxxxxxxxx> wrote: > On Fri, Nov 21, 2014 at 4:47 PM, Cyd Haselton <chaselton@xxxxxxxxx> wrote: >> On Wed, Nov 19, 2014 at 12:51 PM, Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote: >>> On 19 November 2014 18:08, Cyd Haselton wrote: >>>> In another attempt to fix this problem, I grepped for dlopen in the >>>> build directoryand ran across the following: >>>> >>>> From ./gcc/config.log >>>> >>>> configure:27894: checking for library containing dlopen >>>> configure:27925: gcc --sysroot=/usr/gcc-4.8/sysroot -o conftest -Wall >>>> -mandroid -mbionic -static-libstdc++ -static-libgcc >>>> -Wl,--dynamic-linker=/system/bin/linker -lc -ldl -lgcc -lm -lsupc++ >>>> -lgnustl_shared conftest.c >&5 >>>> configure:27925: $? = 0 >>>> configure:27942: result: none required: >>>> >>> >>> It's already linking to libdl, look at the command it used. >> >> FYI this issue was temporarily fixed by specifying --disable-shared in >> the top-level configure...after running make distclean. >> >> Unfortunately the build fails again soon after libgcc, when >> configuring libstdc++, with thw following error: >> >> configure[11845]: awk not found >> configure: error: Link tests are not allowed after GCC_NO_EXECUTABLE >> >> I'm using gawk and have AWK=/bin/gawk. > > After unsuccessfully trying to fix this issue, I ran make distclean > and started over with the previous configure options. > > After make failed (again at libgcc) I navigated to the gcc dir in the > build folder and ran configure. > > ../../gcc-4.9.1/gcc/configure --prefix=/usr/gcc-4.9 > --build=arm-linux-androideabi --host=arm-linux-androideabi > --target=arm-linux-androideabi > --with-build-libsubdir=/usr/gcc-4.8/sysroot/usr/lib > --with-native-system-header-dir=/usr/gcc-4.8/sysroot/usr/include > --with-build-sysroot=/usr/gcc-4.8/sysroot > --with-sysroot=/usr/gcc-4.8/sysroot LIBS=-ldl > LDFLAGS=-Wl,--dynamic-linker=/system/bin/linker > -L/usr/gcc-4.8/sysroot/usr/lib > > The last several lines in the configure result indicate that ldl is > still not being picked up as the library containing dlopen; configure > still decides 'none needed' > > I've minimal experience with configure code; how is gcc/configure > determining if ldl contains dlopen and how would I run configure > and/or specify env variables so that configure picks up ldl? > > (FYI, I did objdump -tT libdl.so...dlopen is there) FYI, I basically hacked ../gcc-4.9.1/gcc/configure script so that ldl would always be picked up as the library needed for dlopen. Unfortunately, make failed at the same point...building the dynamic libgcc_s.so object. Before I abandon this build for 4.9.2, does anyone else have suggestions?
