Remove -w compile option in configure test.
Not all C compilers have a -w option.
diff --git a/configure b/configure
index 0b86d04..c55098a 100755
--- a/configure
+++ b/configure
@@ -442,7 +442,7 @@
if test $shared -eq 1; then
echo Checking for shared library support... | tee -a configure.log
# we must test in two steps (cc then ld), required at least on SunOS 4.x
- if try $CC -w -c $SFLAGS $test.c &&
+ if try $CC -c $SFLAGS $test.c &&
try $LDSHARED $SFLAGS -o $test$shared_ext $test.o; then
echo Building shared library $SHAREDLIBV with $CC. | tee -a configure.log
elif test -z "$old_cc" -a -z "$old_cflags"; then
