AC_PROG_CC
AM_PROG_CC_C_O
-opt_CFLAGS="-g -O3"
-dbg_CFLAGS="-g -O0"
+opt_CFLAGS="-Wall -g -O3"
+dbg_CFLAGS="-Wall -g -O0"
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug],
AC_DEFINE(_FILE_OFFSET_BITS, 64)
+AC_PROG_LIBTOOL
# check zlib
AX_CHECK_ZLIB