On 18 June 2012 20:47, Khem Raj <raj.k...@gmail.com> wrote: > On Fri, Jun 15, 2012 at 7:37 AM, Bernhard Reutner-Fischer > <rep.dot....@gmail.com> wrote: >> On 15 June 2012 04:54, Kevin Cernekee <cerne...@gmail.com> wrote: >>> On Wed, Jun 13, 2012 at 12:58 AM, Bernhard Reutner-Fischer >>> <rep.dot....@gmail.com> wrote: >>>> On Tue, Jun 12, 2012 at 04:52:21PM +0100, Carmelo AMOROSO wrote: >>>>>On 07/06/2012 19.32, Kevin Cernekee wrote: >>>>>> Move the AS_NEEDED insertion into libc/Makefile.in, and add a case to >>>>>> the HARDWIRED_ABSPATH substitution command so libubacktrace is handled >>>>>> the same way as the other libraries listed in the script. >>>>> >>>>>Looks fine to me. >>>>> >>>> >>>> Applied, thanks! >>> >>> Unfortunately it looks like this could cause some problems when >>> bootstrapping a new toolchain. If the libc.so script references >>> libubacktrace, but libubacktrace.so.0 is not yet installed anywhere, >>> gcc will throw an error during the final link on the other shared >>> libraries: >>> >>> rm -f lib/libdl.so lib/libdl.so.0 lib/libdl-0.9.32.1.so >>> arm-linux-uclibcgnueabi-gcc -Wl,-EL -shared -Wl,--warn-common >>> -Wl,--warn-once -Wl,-z,combreloc -Wl,-z,relro -Wl,-z,defs >>> -Wl,-fini,dl_cleanup -Wl,-soname=libdl.so.0 -nostdlib -o >>> lib/libdl-0.9.32.1.so -Wl,--whole-archive ldso/libdl/libdl_so.a >>> -Wl,--no-whole-archive ./lib/interp.os -L./lib ./lib/libc.so >>> ./lib/ld-uClibc.so.0 >>> /ssd/test/bin/../lib/gcc/arm-linux-uclibcgnueabi/4.5.3/libgcc.a >>> /ssd/test/bin/../lib/gcc/arm-linux-uclibcgnueabi/4.5.3/libgcc_eh.a >>> /ssd/test/bin/../lib/gcc/arm-linux-uclibcgnueabi/4.5.3/../../../../arm-linux-uclibcgnueabi/bin/ld: >>> cannot find libubacktrace.so.0 >>> collect2: ld returned 1 exit status >>> make[1]: *** [lib/libdl.so] Error 1 >>> >>> >>> I did not see this earlier because -nostdlib doesn't actually keep gcc >>> from passing ld "-L" arguments pointing into the sysroot directories. >>> So it saw my existing libubacktrace.so.0 from the installed sysroot >>> and did not complain that libubacktrace.so.0 was missing from the >>> uClibc build tree. >>> >>> Maybe we will need to revert back to this technique, at least in some form? >>> >>> -# Add the AS_NEEDED entry for libubacktrace.so >>> - if [ -f $(top_builddir)lib/libc.so -a -f >>> $(PREFIX)$(RUNTIME_PREFIX)$(MULTILIB_DIR)/$(SHARED_LIBNAME) ] ; then \ >>> - echo "GROUP ( $(UBACKTRACE_ASNEEDED) )" >> >>> $(PREFIX)$(DEVEL_PREFIX)$(MULTILIB_DIR)/libc.so; \ >>> - fi >>> -endif >>> >>> I would appreciate any feedback/suggestions. >> >> What a mess. Carmelo, can you suggest a proper fix please (as >> quick-fix i put the static lib into the libc script just to make it >> link). >> TIA, > > > This quick fix is wrong since now it will try to ask for static > version of libubacktrace when linking shared libs and PIC binaries and > libubacktrace.a is not PIC
I'm reverting this now and applied Kevin's mini-cleanup. thanks, _______________________________________________ uClibc mailing list uClibc@uclibc.org http://lists.busybox.net/mailman/listinfo/uclibc
