On Wed, Aug 17, 2011 at 6:20 PM, Blue Swirl <blauwir...@gmail.com> wrote: > On Tue, Aug 16, 2011 at 6:50 PM, Paolo Bonzini <pbonz...@redhat.com> wrote: >> On 08/16/2011 05:45 AM, Stefan Hajnoczi wrote: >>> >>> Roy, >>> This stack trace does not reveal much. >>> >>> Is there any MinGW gcc user that has successfully built and run >>> qemu.git? >> >> I would be surprised if Stefan Weil hasn't. > > Builds and runs (under i386 chroot + Wine) here. It worked also in > Windows the last time I tried (2010). > >>> Which version/architecture of Windows and which MinGW >>> version? > > Debian: > $ i586-mingw32msvc-gcc -v > Using built-in specs. > Target: i586-mingw32msvc > Configured with: > /build/buildd-gcc-mingw32_4.4.4-0.1+b1-amd64-aFhFbL/gcc-mingw32-4.4.4/build-tree/gcc-4.4.4/configure > --build=x86_64-linux-gnu --prefix=/usr --includedir='/usr/include' > --mandir='/usr/share/man' --infodir='/usr/share/info' > --sysconfdir=/etc --localstatedir=/var > --libexecdir='/usr/lib/gcc-mingw32' --disable-multilib > --enable-threads --enable-sjlj-exceptions > --enable-version-specific-runtime-libs --disable-shared > --target=i586-mingw32msvc --enable-languages=c,c++,fortran : > (reconfigured) > /build/buildd-gcc-mingw32_4.4.4-0.1+b1-amd64-aFhFbL/gcc-mingw32-4.4.4/build-tree/gcc-4.4.4/configure > --build=x86_64-linux-gnu --prefix=/usr --includedir='/usr/include' > --mandir='/usr/share/man' --infodir='/usr/share/info' > --sysconfdir=/etc --localstatedir=/var > --libexecdir='/usr/lib/gcc-mingw32' --disable-multilib > --enable-threads --enable-sjlj-exceptions > --enable-version-specific-runtime-libs --disable-shared > --target=i586-mingw32msvc --enable-languages=c,c++,fortran > Thread model: win32 > gcc version 4.4.4 (GCC) > > Compiled myself: > $ i686-mingw32msvc-gcc -v > Using built-in specs. > COLLECT_GCC=i686-mingw32msvc-gcc > COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/i686-mingw32msvc/4.6.0/lto-wrapper > Target: i686-mingw32msvc > Configured with: ../configure --target=i686-mingw32msvc > --enable-targets=i686-mingw32msvc --disable-nls --disable-threads > --enable-languages=c --disable-shared --disable-libssp > --disable-multilib > Thread model: single > gcc version 4.6.0 20100925 (experimental) (GCC) > >> I'm trying to get rid of emutls, it is slow anyway and we'll likely want to >> rely on TLS very liberally in the future. If it fixes the bug, we can >> backport it to stable too. > > I don't know about Win32 TLS support, but at least OpenBSD/sparc64 > gcc/ld/ld.so/libc do not support __thread. According to manual, TLS is > not available everywhere: > http://gcc.gnu.org/onlinedocs/gcc-4.6.1/gcc/Thread_002dLocal.html#Thread_002dLocal
Yeah, for OpenBSD we have the portable but slow GThread coroutine implementation. Stefan
