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Merge commit 'b2d5d6a7f20a255a5f3c9bf539cc507afd909ce5'

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* commit 'b2d5d6a7f20a255a5f3c9bf539cc507afd909ce5':
  build: Only enable symbol reduction if the compiler does proper DCE

Merged-by: Clément Bœsch <u@pkh.me>
This commit is contained in:
Clément Bœsch 2016-06-27 19:48:21 +02:00
commit 85a52a77ce
1 changed files with 13 additions and 5 deletions
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12
configure vendored
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@ -6045,8 +6045,15 @@ enabled xmm_clobber_test &&
-Wl,--wrap,sws_scale || -Wl,--wrap,sws_scale ||
disable xmm_clobber_test disable xmm_clobber_test
echo "X { local: *; };" > $TMPV check_ld "cc" <<EOF && enable proper_dce
if test_ldflags -Wl,${version_script},$TMPV; then extern const int array[512];
static inline int func(void) { return array[0]; }
int main(void) { return 0; }
EOF
if enabled proper_dce; then
echo "X { local: *; };" > $TMPV
if test_ldflags -Wl,${version_script},$TMPV; then
append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver' append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
check_cc <<EOF && enable symver_asm_label check_cc <<EOF && enable symver_asm_label
void ff_foo(void) __asm__ ("av_foo@VERSION"); void ff_foo(void) __asm__ ("av_foo@VERSION");
@ -6056,6 +6063,7 @@ EOF
__asm__(".symver ff_foo,av_foo@VERSION"); __asm__(".symver ff_foo,av_foo@VERSION");
void ff_foo(void) {} void ff_foo(void) {}
EOF EOF
fi
fi fi
if [ -z "$optflags" ]; then if [ -z "$optflags" ]; then