diff options
author | Avi Kivity <avi@redhat.com> | 2011-11-23 11:24:25 +0200 |
---|---|---|
committer | Anthony Liguori <aliguori@us.ibm.com> | 2011-11-28 16:20:52 -0600 |
commit | 21d4a791da47cf35956102d0b96208e3e595b617 (patch) | |
tree | 6bf7dfd326b9e2f5b2e4064aed93a56015a17c9e | |
parent | c1b71a1df682fc49f91218130b1837d6d91dcb57 (diff) |
configure: tighten pie toolchain support test for tls variables
Some toolchains don't support pie properly when tls variables are
in use. Disallow pie when such toolchains are detected.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
-rwxr-xr-x | configure | 12 |
1 files changed, 11 insertions, 1 deletions
@@ -1120,7 +1120,17 @@ fi if test "$pie" != "no" ; then cat > $TMPC << EOF -int main(void) { return 0; } + +#ifdef __linux__ +# define THREAD __thread +#else +# define THREAD +#endif + +static THREAD int tls_var; + +int main(void) { return tls_var; } + EOF if compile_prog "-fPIE -DPIE" "-pie"; then QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS" |