| Message ID | 1466500225-19326-1-git-send-email-mohammed.gamal@profitbricks.com |
|---|---|
| State | New |
| Headers | show |
Please drop this patch. I see it has already been fixed upstream On Tue, Jun 21, 2016 at 11:10 AM, Mohammed Gamal <mohammed.gamal@profitbricks.com> wrote: > The configure script contains an embedded test C function > to test for avx2 support. It gets optimized away with > gcc 4.7 on wheezy. > Add __attribute__((optimize("O0"))) to it in order > to prevent optimizing it away > > Signed-off-by: Mohammed Gamal <mohammed.gamal@profitbricks.com> > --- > configure | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/configure b/configure > index 8ecf29d..ba31d3a 100755 > --- a/configure > +++ b/configure > @@ -1782,7 +1782,7 @@ fi > > cat > $TMPC << EOF > static void bar(void) {} > -static void *bar_ifunc(void) {return (void*) bar;} > +static void __attribute__((optimize("O0"))) *bar_ifunc(void) {return (void*) bar;} > static void foo(void) __attribute__((ifunc("bar_ifunc"))); > int main(void) { foo(); return 0; } > EOF > -- > 1.9.1 >
diff --git a/configure b/configure index 8ecf29d..ba31d3a 100755 --- a/configure +++ b/configure @@ -1782,7 +1782,7 @@ fi cat > $TMPC << EOF static void bar(void) {} -static void *bar_ifunc(void) {return (void*) bar;} +static void __attribute__((optimize("O0"))) *bar_ifunc(void) {return (void*) bar;} static void foo(void) __attribute__((ifunc("bar_ifunc"))); int main(void) { foo(); return 0; } EOF
The configure script contains an embedded test C function to test for avx2 support. It gets optimized away with gcc 4.7 on wheezy. Add __attribute__((optimize("O0"))) to it in order to prevent optimizing it away Signed-off-by: Mohammed Gamal <mohammed.gamal@profitbricks.com> --- configure | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)