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On Wed, Nov 09, 2005 at 09:02:02AM -0500, Robert P. J. Day wrote: > that is, where to add --enable-threads, --with-__thread and so on? > i'm sure i'm just missing a critical option somewhere. thanks. find attached a simple .c file to test your gcc ... just run <your gcc> -c test-__thread.c if your gcc is new enough for the target, it should work regardless, but if it isnt, you'll get an error like: test-__thread.c:1: error: thread-local storage not supported for this target the --disable-threads option in gcc shouldnt matter ... for example, consider gcc-3.4.4 for arm and sparc targets ... the arm toolchain is a 'full' toolchain as in it supports threads/C/C++/etc... while the sparc toolchain is a stage1 as in it does not support threads, just C since it lacks a libc still $ arm-softfloat-linux-uclibc-gcc -c test-__thread.c test-__thread.c:1: error: thread-local storage not supported for this target $ arm-softfloat-linux-uclibc-gcc -v Configured with: /var/tmp/cross/arm-softfloat-linux-uclibc/portage/gcc-3.4.4-r1/work/gcc-3.4.4/configure --prefix=/usr --bindir=/usr/arm-softfloat-linux-uclibc/gcc-bin/3.4.4 --includedir=/usr/lib/gcc/arm-softfloat-linux-uclibc/3.4.4/include --datadir=/usr/share/gcc-data/arm-softfloat-linux-uclibc/3.4.4 --mandir=/usr/share/gcc-data/arm-softfloat-linux-uclibc/3.4.4/man --infodir=/usr/share/gcc-data/arm-softfloat-linux-uclibc/3.4.4/info --with-gxx-include-dir=/usr/lib/gcc/arm-softfloat-linux-uclibc/3.4.4/include/g++-v3 --host=x86_64-pc-linux-gnu --target=arm-softfloat-linux-uclibc --build=x86_64-pc-linux-gnu --disable-altivec --with-float=soft --enable-nls --without-included-gettext --with-system-zlib --disable-checking --disable-werror --disable-libunwind-exceptions --disable-multilib --disable-libgcj --enable-languages=c,c++ --with-sysroot=/usr/arm-softfloat-linux-uclibc --disable-__cxa_atexit --enable-target-optspace --enable-clocale=uclibc Thread model: posix gcc version 3.4.4 (Gentoo 3.4.4-r1, ssp-3.4.4-1.0, pie-8.7.8) $ sparc-gentoo-linux-uclibc-gcc -c test-__thread.c $ sparc-gentoo-linux-uclibc-gcc -v Reading specs from /usr/lib/gcc/sparc-gentoo-linux-uclibc/3.4.4/specs Configured with: /var/tmp/cross/sparc-gentoo-linux-uclibc/portage/gcc-3.4.4-r1/work/gcc-3.4.4/configure --prefix=/usr --bindir=/usr/sparc-gentoo-linux-uclibc/gcc-bin/3.4.4 --includedir=/usr/lib/gcc/sparc-gentoo-linux-uclibc/3.4.4/include --datadir=/usr/share/gcc-data/sparc-gentoo-linux-uclibc/3.4.4 --mandir=/usr/share/gcc-data/sparc-gentoo-linux-uclibc/3.4.4/man --infodir=/usr/share/gcc-data/sparc-gentoo-linux-uclibc/3.4.4/info --with-gxx-include-dir=/usr/lib/gcc/sparc-gentoo-linux-uclibc/3.4.4/include/g++-v3 --host=x86_64-pc-linux-gnu --target=sparc-gentoo-linux-uclibc --build=x86_64-pc-linux-gnu --disable-altivec --enable-nls --without-included-gettext --with-system-zlib --disable-checking --disable-werror --disable-libunwind-exceptions --disable-multilib --disable-libgcj --enable-languages=c --disable-shared --disable-threads --without-headers --disable-__cxa_atexit --enable-target-optspace --enable-clocale=uclibc Thread model: single gcc version 3.4.4 (Gentoo 3.4.4-r1, ssp-3.4.4-1.0, pie-8.7.8) -mike
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test-__thread.c
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