configure & compiler warning cleanup
- configure: Use
LT_INIT
from libtool 2 instead of deprecatedAC_PROG_LIBTOOL
- Add X.Org's standard C warning flags to
AM_CFLAGS
- Fix
warning: declaration of ‘ret’ shadows a previous local [-Wshadow]
LT_INIT
from libtool 2 instead of deprecated AC_PROG_LIBTOOL
AM_CFLAGS
warning: declaration of ‘ret’ shadows a previous local [-Wshadow]