Respect extra CFLAGS and LDFLAGS
Respect extra CFLAGS and LDFLAGS

Signed-off-by: Alexey Shvetsov <e52ba1fe2809d6c1136f0ded5749ffceed3214bb@gentoo.org>

CPFL/gdev,shinpei0208/gdev,CPFL/gdev,CPFL/gdev,shinpei0208/gdev,shinpei0208/gdev,shinpei0208/gdev,CPFL/gdev