Check that CC works after applying all our CPPFLAGS and CFLAGS as one

of them might stop CC from working.

diff --git a/configure b/configure
index 5a8c876896d492d9babf4925764e4132c3519759..2b53cd06ff2d00b081d57fd64decf421d5c45e79 100755 (executable)
--- a/configure
+++ b/configure
@@ -271,24 +271,6 @@ if ! type "$CC" >/dev/null 2>&1; then
        done
 fi
 
-echo "Using compiler .. $CC"
-cat <<EOF >_test.c
-int main(void) {
-       return 0;
-}
-EOF
-_CC=false
-if $CC _test.c -o _test >/dev/null 2>&1; then
-       [ -x _test ] && _CC=true
-fi
-rm -f _test.c _test
-if ! $_CC; then
-       echo "$CC does not create executables"
-       exit 1
-fi
-[ "$CC" != cc ] && echo "CC=   $CC" >>$CONFIG_MK
-$CC --version | $SED -e '1!d'
-
 # Set to blank, then append user config
 # We do this so our SED call to append to XCC remains portable
 if [ -n "$CFLAGS" ]; then
@@ -417,10 +399,29 @@ if [ -z "$INET6" -o "$INET6" = yes ]; then
        echo "DHCPCD_SRCS+=     ipv6.c ipv6nd.c dhcp6.c" >>$CONFIG_MK
 fi
 
+echo "Using compiler .. $CC"
 # Add CPPFLAGS and CFLAGS to CC for testing features
 XCC="$CC `$SED -n -e 's/CPPFLAGS+=*\(.*\)/\1/p' $CONFIG_MK`"
 XCC="$XCC `$SED -n -e 's/CFLAGS+=*\(.*\)/\1/p' $CONFIG_MK`"
 
+# Now test we can use the compiler with our CFLAGS
+cat <<EOF >_test.c
+int main(void) {
+       return 0;
+}
+EOF
+_CC=false
+if $CC _test.c -o _test >/dev/null 2>&1; then
+       [ -x _test ] && _CC=true
+fi
+rm -f _test.c _test
+if ! $_CC; then
+       echo "$CC does not create executables"
+       exit 1
+fi
+[ "$CC" != cc ] && echo "CC=   $CC" >>$CONFIG_MK
+$CC --version | $SED -e '1!d'
+
 if [ "$OS" = linux ]; then
        printf "Testing for nl80211 ... "
        cat <<EOF >_nl80211.c