Building gcc 4.7.2 on SmartOS (and friends)

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If you hit this lovely error when building gcc 4.7.2, fret not:

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/bin/sh ./libtool --tag=CC   --mode=link /ws/ec-userland/components/gcc47/build/i86/./gcc/xgcc -B/ws/ec-userland/components/gcc47/build/i86/./gcc/ -B/usr/i386-pc-solaris2.11/bin/ -B/usr/i386-pc-solaris2.11/lib/ -isystem /usr/i386-pc-solaris2.11/include -isystem /usr/i386-pc-solaris2.11/sys-include    -march=i486 -mtune=i386 -fomit-frame-pointer -Wall -Werror  -Wc,-pthread -g -O2    -Wl,-M,/ws/ec-userland/components/gcc47/source/gcc-4.7.2/libitm/clearcap.map   -o libitm.la -version-info 1:0:0 -Wl,-M,libitm.map-sun -rpath /usr/lib aatree.lo alloc.lo alloc_c.lo alloc_cpp.lo barrier.lo beginend.lo clone.lo eh_cpp.lo local.lo query.lo retry.lo rwlock.lo useraction.lo util.lo sjlj.lo tls.lo method-serial.lo method-gl.lo method-ml.lo  x86_sse.lo x86_avx.lo   
libtool: link: /ws/ec-userland/components/gcc47/build/i86/./gcc/collect-ld -r -o .libs/libitm.la-1.o .libs/aatree.o .libs/alloc.o .libs/alloc_c.o .libs/alloc_cpp.o .libs/barrier.o .libs/beginend.o .libs/clone.o .libs/eh_cpp.o .libs/local.o .libs/query.o .libs/retry.o .libs/rwlock.o .libs/useraction.o .libs/util.o .libs/sjlj.o .libs/tls.o .libs/method-serial.o .libs/method-gl.o .libs/method-ml.o .libs/x86_sse.o .libs/x86_avx.o 
ld: fatal: relocation error: R_386_32: file .libs/beginend.o: section [23].rel.debug_frame: symbol .text._ZN3GTM7aa_treeIjNS_16gtm_alloc_actionEE7clear_1EPNS_7aa_nodeIjS1_EE (section): symbol has been discarded with discarded section: [11].text._ZN3GTM7aa_treeIjNS_16gtm_alloc_actionEE7clear_1EPNS_7aa_nodeIjS1_EE
make[5]: *** [libitm.la] Error 1
make[5]: Leaving directory `/ws/ec-userland/components/gcc47/build/i86/i386-pc-solaris2.11/libitm'

Simply add this lovely undocumented flag to ./configure: –disable-libitm

libitm is for transactional memory and not really needed. It seems buggered on Solaris. Unsure if this is due to a bug in Sun ld or not.

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One Response to “Building gcc 4.7.2 on SmartOS (and friends)”

  1. Igor Pashev says:

    Something like GNU assembler vs Sun ld : http://llvm.org/bugs/show_bug.cgi?id=12843

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