configure: try to disable weak linking on OSX

[fio.git] / configure

diff --git a/configure b/configure
index d0c2173fd2d0d06b97e5b4dcdc9e5b44a87b51df..4f17cf865c770f8ce3044425a69b7ad2c870bc93 100755 (executable)
--- a/configure
+++ b/configure
@@ -268,6 +268,17 @@ Darwin)
   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
     cpu="x86_64"
   fi
+  # Error at compile time linking of weak/partial symbols if possible...
+cat > $TMPC <<EOF
+int main(void)
+{
+  return 0;
+}
+EOF
+  if compile_prog "" "-Wl,-no_weak_imports" "disable weak symbols"; then
+    echo "Disabling weak symbols"
+    LDFLAGS="$LDFLAGS -Wl,-no_weak_imports"
+  fi
   ;;
 SunOS)
   # `uname -m` returns i86pc even on an x86_64 box, so default based on isainfo
@@ -815,14 +826,12 @@ echo "CLOCK_MONOTONIC_PRECISE       $clock_monotonic_precise"
 # clockid_t probe
 clockid_t="no"
 cat > $TMPC << EOF
-#include <stdio.h>
-#include <string.h>
 #include <time.h>
 int main(int argc, char **argv)
 {
-  clockid_t cid;
+  volatile clockid_t cid;
   memset(&cid, 0, sizeof(cid));
-  return clock_gettime(cid, NULL);
+  return 0;
 }
 EOF
 if compile_prog "" "$LIBS" "clockid_t"; then