https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82037
Bug ID: 82037 Summary: powerpc64-unknown-linux-gnu bootstrap breaks in stage2 with gcc/liblto_plugin.so: wrong ELF class: ELFCLASS64 Product: gcc Version: 7.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap Assignee: unassigned at gcc dot gnu.org Reporter: dclarke at blastwave dot org Target Milestone: --- Debian 8.8 on powerpc64-unknown-linux-gnu thus : ppc64$ ../gcc-7.2.0/config.guess powerpc64-unknown-linux-gnu ppc64$ ppc64$ uname -a Linux charon 3.16.0-4-powerpc64 #1 SMP Debian 3.16.43-2 (2017-04-30) ppc64 GNU/Linux ppc64$ configure looked good : ppc64$ ../gcc-7.2.0/configure --build=powerpc64-unknown-linux-gnu \ > --target=powerpc64-unknown-linux-gnu --host=powerpc64-unknown-linux-gnu \ > --enable-targets=powerpc-linux,powerpc64-linux --prefix=/usr/local/gcc7 \ > --disable-nls --enable-threads=posix --enable-shared \ > --with-cpu=970 --enable-bootstrap \ > --enable-libstdcxx-debug --enable-libstdcxx-time=yes \ > --enable-__cxa_atexit --with-system-zlib --enable-objc-gc \ > --enable-multiarch --with-long-double-128 --enable-multilib \ > --enable-stage1-languages=c,c++ --enable-stage1-checking=misc \ > --enable-languages=ada,c,c++,fortran,go,lto,objc,obj-c++ \ > --with-pkgversion='genunix Wed Aug 30 02:32:29 UTC 2017' checking build system type... powerpc64-unknown-linux-gnu checking host system type... powerpc64-unknown-linux-gnu checking target system type... powerpc64-unknown-linux-gnu checking for a BSD-compatible install... /usr/bin/install -c checking whether ln works... yes checking whether ln -s works... yes checking for a sed that does not truncate output... /bin/sed checking for gawk... no checking for mawk... mawk checking for libatomic support... yes checking for libcilkrts support... no checking for libitm support... yes checking for libsanitizer support... yes checking for libvtv support... no checking for libmpx support... no checking for libhsail-rt support... no checking for powerpc64-unknown-linux-gnu-gcc... no checking for gcc... gcc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking for powerpc64-unknown-linux-gnu-g++... no checking for powerpc64-unknown-linux-gnu-c++... no checking for powerpc64-unknown-linux-gnu-gpp... no checking for powerpc64-unknown-linux-gnu-aCC... no checking for powerpc64-unknown-linux-gnu-CC... no checking for powerpc64-unknown-linux-gnu-cxx... no checking for powerpc64-unknown-linux-gnu-cc++... no checking for powerpc64-unknown-linux-gnu-cl.exe... no checking for powerpc64-unknown-linux-gnu-FCC... no checking for powerpc64-unknown-linux-gnu-KCC... no checking for powerpc64-unknown-linux-gnu-RCC... no checking for powerpc64-unknown-linux-gnu-xlC_r... no checking for powerpc64-unknown-linux-gnu-xlC... no checking for g++... g++ checking whether we are using the GNU C++ compiler... yes checking whether g++ accepts -g... yes checking whether g++ accepts -static-libstdc++ -static-libgcc... yes checking for powerpc64-unknown-linux-gnu-gnatbind... no checking for gnatbind... gnatbind checking for powerpc64-unknown-linux-gnu-gnatmake... no checking for gnatmake... gnatmake checking whether compiler driver understands Ada... yes checking how to compare bootstrapped objects... cmp --ignore-initial=16 $$f1 $$f2 checking for objdir... .libs configure: WARNING: using in-tree isl, disabling version check The following languages will be built: c,ada,c++,fortran,go,lto,objc,obj-c++ checking for bdw garbage collector... using bdw-gc in default locations *** This configuration is not supported in the following subdirectories: zlib target-libcilkrts target-libvtv target-libmpx target-libhsail-rt target-liboffloadmic (Any other directories should still work fine.) checking for default BUILD_CONFIG... bootstrap-debug checking for --enable-vtable-verify... no checking for bison... bison -y checking for bison... bison checking for gm4... no checking for gnum4... no checking for m4... m4 checking for flex... flex checking for flex... flex checking for makeinfo... makeinfo checking for expect... expect checking for runtest... runtest checking for powerpc64-unknown-linux-gnu-ar... no checking for ar... ar checking for powerpc64-unknown-linux-gnu-as... no checking for as... as checking for powerpc64-unknown-linux-gnu-dlltool... no checking for dlltool... no checking for powerpc64-unknown-linux-gnu-ld... no checking for ld... ld checking for powerpc64-unknown-linux-gnu-lipo... no checking for lipo... no checking for powerpc64-unknown-linux-gnu-nm... no checking for nm... nm checking for powerpc64-unknown-linux-gnu-ranlib... no checking for ranlib... ranlib checking for powerpc64-unknown-linux-gnu-strip... no checking for strip... strip checking for powerpc64-unknown-linux-gnu-windres... no checking for windres... no checking for powerpc64-unknown-linux-gnu-windmc... no checking for windmc... no checking for powerpc64-unknown-linux-gnu-objcopy... no checking for objcopy... objcopy checking for powerpc64-unknown-linux-gnu-objdump... no checking for objdump... objdump checking for powerpc64-unknown-linux-gnu-readelf... no checking for readelf... readelf checking for powerpc64-unknown-linux-gnu-cc... no checking for cc... cc checking for powerpc64-unknown-linux-gnu-c++... no checking for c++... c++ checking for powerpc64-unknown-linux-gnu-gcc... no checking for gcc... gcc checking for powerpc64-unknown-linux-gnu-gfortran... no checking for gfortran... gfortran checking for powerpc64-unknown-linux-gnu-gccgo... no checking for gccgo... no checking for ar... no checking for powerpc64-unknown-linux-gnu-ar... no checking for ar... ar checking for as... no checking for powerpc64-unknown-linux-gnu-as... no checking for as... as checking for dlltool... no checking for powerpc64-unknown-linux-gnu-dlltool... no checking for dlltool... no checking for ld... no checking for powerpc64-unknown-linux-gnu-ld... no checking for ld... ld checking for lipo... no checking for powerpc64-unknown-linux-gnu-lipo... no checking for lipo... no checking for nm... no checking for powerpc64-unknown-linux-gnu-nm... no checking for nm... nm checking for objcopy... no checking for powerpc64-unknown-linux-gnu-objcopy... no checking for objcopy... objcopy checking for objdump... no checking for powerpc64-unknown-linux-gnu-objdump... no checking for objdump... objdump checking for ranlib... no checking for powerpc64-unknown-linux-gnu-ranlib... no checking for ranlib... ranlib checking for readelf... no checking for powerpc64-unknown-linux-gnu-readelf... no checking for readelf... readelf checking for strip... no checking for powerpc64-unknown-linux-gnu-strip... no checking for strip... strip checking for windres... no checking for powerpc64-unknown-linux-gnu-windres... no checking for windres... no checking for windmc... no checking for powerpc64-unknown-linux-gnu-windmc... no checking for windmc... no checking where to find the target ar... host tool checking where to find the target as... host tool checking where to find the target cc... just compiled checking where to find the target c++... just compiled checking where to find the target c++ for libstdc++... just compiled checking where to find the target dlltool... host tool checking where to find the target gcc... just compiled checking where to find the target gfortran... just compiled checking where to find the target gccgo... just compiled checking where to find the target ld... host tool checking where to find the target lipo... host tool checking where to find the target nm... host tool checking where to find the target objcopy... host tool checking where to find the target objdump... host tool checking where to find the target ranlib... host tool checking where to find the target readelf... host tool checking where to find the target strip... host tool checking where to find the target windres... host tool checking where to find the target windmc... host tool checking whether to enable maintainer-specific portions of Makefiles... no configure: creating ./config.status config.status: creating Makefile Runs through stage1 fine and late in stage2 just after tmp-libgcc.map is renamed to libgcc.map we see : mv tmp-libgcc.map libgcc.map # @multilib_flags@ is still needed because this may use # /usr/local/build/gcc-7.2.0_linux_3.16.0-4-powerpc64.002/./gcc/xgcc -B/usr/local/build/gcc-7.2.0_linux_3.16.0-4-powerpc64.002/./gcc/ -B/usr/local/gcc7/powerpc64-unknown-linux-gnu/bin/ -B/usr/local/gcc7/powerpc64-unknown-linux-gnu/lib/ -isystem /usr/local/gcc7/powerpc64-unknown-linux-gnu/include -isystem /usr/local/gcc7/powerpc64-unknown-linux-gnu/sys-include and -O2 -g -O2 -DIN_GCC -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -fPIC -mlong-double-128 -mno-minimal-toc -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector directly. # @multilib_dir@ is not really necessary, but sometimes it has # more uses than just a directory name. /bin/bash ../../../../gcc-7.2.0/libgcc/../mkinstalldirs 32 mkdir -p -- 32 /usr/local/build/gcc-7.2.0_linux_3.16.0-4-powerpc64.002/./gcc/xgcc -B/usr/local/build/gcc-7.2.0_linux_3.16.0-4-powerpc64.002/./gcc/ -B/usr/local/gcc7/powerpc64-unknown-linux-gnu/bin/ -B/usr/local/gcc7/powerpc64-unknown-linux-gnu/lib/ -isystem /usr/local/gcc7/powerpc64-unknown-linux-gnu/include -isystem /usr/local/gcc7/powerpc64-unknown-linux-gnu/sys-include -O2 -g -O2 -DIN_GCC -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -fPIC -mlong-double-128 -mno-minimal-toc -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -shared -nodefaultlibs -Wl,--soname=libgcc_s.so.1 -Wl,--version-script=libgcc.map -o 32/libgcc_s.so.1.tmp -g -O2 -m32 -B./ addsf3_s.o subsf3_s.o negsf2_s.o mulsf3_s.o divsf3_s.o eqsf2_s.o nesf2_s.o gesf2_s.o gtsf2_s.o lesf2_s.o ltsf2_s.o unordsf2_s.o fixsfsi_s.o floatsisf_s.o floatunsisf_s.o adddf3_s.o subdf3_s.o negdf2_s.o muldf3_s.o divdf3_s.o eqdf2_s.o nedf2_s.o gedf2_s.o gtdf2_s.o ledf2_s.o ltdf2_s.o unorddf2_s.o fixdfsi_s.o floatsidf_s.o floatunsidf_s.o extendsfdf2_s.o truncdfsf2_s.o _muldi3_s.o _negdi2_s.o _lshrdi3_s.o _ashldi3_s.o _ashrdi3_s.o _cmpdi2_s.o _ucmpdi2_s.o _clear_cache_s.o _trampoline_s.o __main_s.o _absvsi2_s.o _absvdi2_s.o _addvsi3_s.o _addvdi3_s.o _subvsi3_s.o _subvdi3_s.o _mulvsi3_s.o _mulvdi3_s.o _negvsi2_s.o _negvdi2_s.o _ctors_s.o _ffssi2_s.o _ffsdi2_s.o _clz_s.o _clzsi2_s.o _clzdi2_s.o _ctzsi2_s.o _ctzdi2_s.o _popcount_tab_s.o _popcountsi2_s.o _popcountdi2_s.o _paritysi2_s.o _paritydi2_s.o _powisf2_s.o _powidf2_s.o _powixf2_s.o _powitf2_s.o _mulhc3_s.o _mulsc3_s.o _muldc3_s.o _mulxc3_s.o _multc3_s.o _divhc3_s.o _divsc3_s.o _divdc3_s.o _divxc3_s.o _divtc3_s.o _bswapsi2_s.o _bswapdi2_s.o _clrsbsi2_s.o _clrsbdi2_s.o _fixunssfsi_s.o _fixunsdfsi_s.o _fixunsxfsi_s.o _fixsfdi_s.o _fixdfdi_s.o _fixxfdi_s.o _fixtfdi_s.o _fixunssfdi_s.o _fixunsdfdi_s.o _fixunsxfdi_s.o _fixunstfdi_s.o _floatdisf_s.o _floatdidf_s.o _floatdixf_s.o _floatditf_s.o _floatundisf_s.o _floatundidf_s.o _floatundixf_s.o _floatunditf_s.o _divdi3_s.o _moddi3_s.o _divmoddi4_s.o _udivdi3_s.o _umoddi3_s.o _udivmoddi4_s.o _udiv_w_sdiv_s.o ibm-ldouble_s.o tramp_s.o ppc64-fp_s.o enable-execute-stack_s.o unwind-dw2_s.o unwind-dw2-fde-dip_s.o unwind-sjlj_s.o unwind-c_s.o emutls_s.o libgcc.a -lc && rm -f 32/libgcc_s.so && if [ -f 32/libgcc_s.so.1 ]; then mv -f 32/libgcc_s.so.1 32/libgcc_s.so.1.backup; else true; fi && mv 32/libgcc_s.so.1.tmp 32/libgcc_s.so.1 && (echo "/* GNU ld script"; echo " Use the shared library, but some functions are only in"; echo " the static library. */"; echo "GROUP ( libgcc_s.so.1 -lgcc )" ) > 32/libgcc_s.so /usr/bin/ld: /usr/local/build/gcc-7.2.0_linux_3.16.0-4-powerpc64.002/./gcc/liblto_plugin.so: error loading plugin: /usr/local/build/gcc-7.2.0_linux_3.16.0-4-powerpc64.002/./gcc/liblto_plugin.so: wrong ELF class: ELFCLASS64 collect2: error: ld returned 1 exit status gmake[5]: *** [libgcc_s.so] Error 1 gmake[5]: Leaving directory `/usr/local/build/gcc-7.2.0_linux_3.16.0-4-powerpc64.002/powerpc64-unknown-linux-gnu/32/libgcc' gmake[4]: *** [multi-do] Error 1 gmake[4]: Leaving directory `/usr/local/build/gcc-7.2.0_linux_3.16.0-4-powerpc64.002/powerpc64-unknown-linux-gnu/libgcc' gmake[3]: *** [all-multi] Error 2 gmake[3]: Leaving directory `/usr/local/build/gcc-7.2.0_linux_3.16.0-4-powerpc64.002/powerpc64-unknown-linux-gnu/libgcc' gmake[2]: *** [all-stage2-target-libgcc] Error 2 gmake[2]: Leaving directory `/usr/local/build/gcc-7.2.0_linux_3.16.0-4-powerpc64.002' gmake[1]: *** [stage2-bubble] Error 2 gmake[1]: Leaving directory `/usr/local/build/gcc-7.2.0_linux_3.16.0-4-powerpc64.002' gmake: *** [bootstrap] Error 2 Command exited with non-zero status 2 real 37071.46 user 36314.41 sys 787.75 ppc64$ I had run /usr/bin/time -p before the "gmake bootstrap" thus it was over ten hours for this process. Looks like some sort of linker confusion about the arch required.