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author | Avi Kivity | 2011-11-23 10:24:25 +0100 |
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committer | Anthony Liguori | 2011-11-28 23:20:52 +0100 |
commit | 21d4a791da47cf35956102d0b96208e3e595b617 (patch) | |
tree | 6bf7dfd326b9e2f5b2e4064aed93a56015a17c9e /configure | |
parent | usb-redir: Don't try to write to the chardev after a close event (diff) | |
download | qemu-21d4a791da47cf35956102d0b96208e3e595b617.tar.gz qemu-21d4a791da47cf35956102d0b96208e3e595b617.tar.xz qemu-21d4a791da47cf35956102d0b96208e3e595b617.zip |
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>
Diffstat (limited to 'configure')
-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" |