check if -no-cpp-precomp is supported by GCC before using it (mac os only)

diff --git a/configure.in b/configure.in
index 4e7768d246c294b5c1b157a6e87d87b0dc337e7b..1e65073e927c8de1943511b8a24bcf9cc795b2cb 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -166,7 +166,12 @@ case $host_alias in
 *dgux*)
     CPPFLAGS="$CPPFLAGS -D_BSD_TIMEOFDAY_FLAVOR";;
 *darwin*|*rhapsody*)
-    CPPFLAGS="$CPPFLAGS -no-cpp-precomp"
+    if test -n "$GCC"; then
+      PHP_CHECK_GCC_ARG(-no-cpp-precomp, gcc_no_cpp_precomp=yes)
+      if test "$gcc_no_cpp_precomp" = "yes"; then
+        CPPFLAGS="$CPPFLAGS -no-cpp-precomp"
+      fi
+    fi
     AC_DEFINE(BIND_8_COMPAT, 1, [Enabling BIND8 compatibility for Panther])
     php_multiple_shlib_versions_ok=yes;;
 *beos*)