In file included from /usr/include/asm/byteorder.h:59,
                 from /usr/include/linux/dccp.h:5,
                 from extensions/libxt_dccp.c:16:
/usr/include/linux/byteorder/little_endian.h: In function '__cpu_to_le64p':
/usr/include/linux/byteorder/little_endian.h:46: error: '__force' undeclared (first use in this function)
/usr/include/linux/byteorder/little_endian.h:46: error: (Each undeclared identifier is reported only once
/usr/include/linux/byteorder/little_endian.h:46: error: for each function it appears in.)
/usr/include/linux/byteorder/little_endian.h:46: error: expected ')' before '__le64'
/usr/include/linux/byteorder/little_endian.h: In function '__le64_to_cpup':
/usr/include/linux/byteorder/little_endian.h:50: error: '__force' undeclared (first use in this function)
/usr/include/linux/byteorder/little_endian.h:50: error: expected ')' before '__u64'
/usr/include/linux/byteorder/little_endian.h: In function '__cpu_to_le32p':
/usr/include/linux/byteorder/little_endian.h:55: error: '__force' undeclared (first use in this function)
/usr/include/linux/byteorder/little_endian.h:55: error: expected ')' before '__le32'
/usr/include/linux/byteorder/little_endian.h: In function '__le32_to_cpup':
/usr/include/linux/byteorder/little_endian.h:59: error: '__force' undeclared (first use in this function)
/usr/include/linux/byteorder/little_endian.h:59: error: expected ')' before '__u32'
/usr/include/linux/byteorder/little_endian.h: In function '__cpu_to_le16p':
/usr/include/linux/byteorder/little_endian.h:63: error: '__force' undeclared (first use in this function)
/usr/include/linux/byteorder/little_endian.h:63: error: expected ')' before '__le16'
/usr/include/linux/byteorder/little_endian.h: In function '__le16_to_cpup':
/usr/include/linux/byteorder/little_endian.h:67: error: '__force' undeclared (first use in this function)
/usr/include/linux/byteorder/little_endian.h:67: error: expected ')' before '__u16'
/usr/include/linux/byteorder/little_endian.h: In function '__cpu_to_be64p':
/usr/include/linux/byteorder/little_endian.h:72: error: '__force' undeclared (first use in this function)
/usr/include/linux/byteorder/little_endian.h:72: error: expected ')' before '__be64'
/usr/include/linux/byteorder/little_endian.h:72: error: expected ';' before '__swab64p'
/usr/include/linux/byteorder/little_endian.h: In function '__cpu_to_be32p':
/usr/include/linux/byteorder/little_endian.h:81: error: '__force' undeclared (first use in this function)
/usr/include/linux/byteorder/little_endian.h:81: error: expected ')' before '__be32'
/usr/include/linux/byteorder/little_endian.h:81: error: expected ';' before '__swab32p'
/usr/include/linux/byteorder/little_endian.h: In function '__cpu_to_be16p':
/usr/include/linux/byteorder/little_endian.h:89: error: '__force' undeclared (first use in this function)
/usr/include/linux/byteorder/little_endian.h:89: error: expected ')' before '__be16'
/usr/include/linux/byteorder/little_endian.h:89: error: expected ';' before '__swab16p'
make: *** [extensions/libxt_dccp_sh.o] Error 1
make: *** Waiting for unfinished jobs....
 * 
 * ERROR: net-firewall/iptables-1.4.0-r1 failed.
 * Call stack:
 *               ebuild.sh, line   49:  Called src_compile
 *             environment, line 2807:  Called die
 * The specific snippet of code:
 *       emake COPT_FLAGS="${CFLAGS}" ${myconf} CC="$(tc-getCC)" || die "${diemsg}"
 *  The die message:
 *   failure
 * 
 * If you need support, post the topmost build error, and the call stack if relevant.
 * A complete build log is located at '/var/tmp/portage/net-firewall/iptables-1.4.0-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/net-firewall/iptables-1.4.0-r1/temp/environment'.
 *