OSX's ld's -Wl,-dead_strip is applied before symbols are resolved, so if the
check functions aren't called, they're stripped out and the test is useless.
This calls the functions, so they won't be stripped.
---
configure | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/configure b/configure
index 4fceaaa..c5d55d7 100755
--- a/configure
+++ b/configure
@@ -1108,7 +1108,11 @@ check_func_headers(){
for func in $funcs; do
echo "long check_$func(void) { return (long) $func; }"
done
- echo "int main(void) { return 0; }"
+ echo "int main(void) { return (0"
+ for func in $funcs; do
+ echo "||!check_$func()"
+ done
+ echo "); }"
} | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
}
--
2.7.0
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