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 <a...@redhat.com>
---
v2: give tls_var a type; avoids invisible warning
configure | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/configure b/configure
index 75e1f10..6158b8f 100755
--- a/configure
+++ b/configure
@@ -1120,7 +1120,10 @@ fi
if test "$pie" != "no" ; then
cat > $TMPC << EOF
-int main(void) { return 0; }
+
+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"
--
1.7.7.1
