--- /dev/null
+From 7618500760e3c9c0d831714fdedb497c0738e131 Mon Sep 17 00:00:00 2001
+From: Steven Barth <steven@midlink.org>
+Date: Tue, 25 Mar 2014 15:09:11 +0100
+Subject: [PATCH] Add CMake and uclibc support
+
+---
+ CMakeLists.txt | 51 +++++++++++
+ mcproxy/src/parser/parser.cpp | 6 +-
+ mcproxy/src/utils/addr_storage.cpp | 2 +-
+ mcproxy/src/utils/mc_socket.cpp | 2 +
+ mcproxy/src/utils/sourcefilter.cpp | 168 +++++++++++++++++++++++++++++++++++++
+ 5 files changed, 225 insertions(+), 4 deletions(-)
+ create mode 100644 CMakeLists.txt
+ create mode 100644 mcproxy/src/utils/sourcefilter.cpp
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+new file mode 100644
+index 0000000..7499c19
+--- /dev/null
++++ b/CMakeLists.txt
+@@ -0,0 +1,51 @@
++cmake_minimum_required(VERSION 2.8)
++
++# Project Definition
++project(mcproxy CXX)
++set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
++set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -std=c++11")
++add_definitions(-Wall -Wextra -pedantic)
++include_directories(${CMAKE_SOURCE_DIR}/mcproxy)
++
++
++add_executable(mcproxy-bin mcproxy/src/main.cpp
++ mcproxy/src/hamcast_logging.cpp
++ #utils
++ mcproxy/src/utils/mc_socket.cpp
++ mcproxy/src/utils/addr_storage.cpp
++ mcproxy/src/utils/mroute_socket.cpp
++ mcproxy/src/utils/if_prop.cpp
++ mcproxy/src/utils/reverse_path_filter.cpp
++ #proxy
++ mcproxy/src/proxy/proxy.cpp
++ mcproxy/src/proxy/sender.cpp
++ mcproxy/src/proxy/receiver.cpp
++ mcproxy/src/proxy/mld_receiver.cpp
++ mcproxy/src/proxy/igmp_receiver.cpp
++ mcproxy/src/proxy/mld_sender.cpp
++ mcproxy/src/proxy/igmp_sender.cpp
++ mcproxy/src/proxy/proxy_instance.cpp
++ mcproxy/src/proxy/routing.cpp
++ mcproxy/src/proxy/worker.cpp
++ mcproxy/src/proxy/timing.cpp
++ mcproxy/src/proxy/check_if.cpp
++ mcproxy/src/proxy/check_kernel.cpp
++ mcproxy/src/proxy/membership_db.cpp
++ mcproxy/src/proxy/querier.cpp
++ mcproxy/src/proxy/timers_values.cpp
++ mcproxy/src/proxy/interfaces.cpp
++ mcproxy/src/proxy/def.cpp
++ mcproxy/src/proxy/simple_mc_proxy_routing.cpp
++ mcproxy/src/proxy/simple_routing_data.cpp
++ #parser
++ mcproxy/src/parser/scanner.cpp
++ mcproxy/src/parser/token.cpp
++ mcproxy/src/parser/configuration.cpp
++ mcproxy/src/parser/parser.cpp
++ mcproxy/src/parser/interface.cpp
++)
++target_link_libraries(mcproxy-bin pthread)
++
++# Installation
++install(TARGETS mcproxy-bin DESTINATION bin/)
++
+diff --git a/mcproxy/src/parser/parser.cpp b/mcproxy/src/parser/parser.cpp
+index c196be9..516a700 100644
+--- a/mcproxy/src/parser/parser.cpp
++++ b/mcproxy/src/parser/parser.cpp
+@@ -125,7 +125,7 @@ void parser::parse_instance_definition(inst_def_set& ids)
+ get_next_token();
+ if (m_current_token.get_type() == TT_STRING) {
+ try {
+- table_number = std::stoi(m_current_token.get_string());
++ table_number = atoi(m_current_token.get_string().c_str());
+ user_selected_table_number = true;
+ } catch (std::logic_error e) {
+ HC_LOG_ERROR("failed to parse line " << m_current_line << " table number: " << table_number << " is not a number");
+@@ -298,7 +298,7 @@ std::unique_ptr<addr_match> parser::parse_rule_part(group_mem_protocol gmp)
+ get_next_token();
+ if (m_current_token.get_type() == TT_STRING) {
+ try {
+- unsigned int prefix = std::stoi(m_current_token.get_string());
++ unsigned int prefix = atoi(m_current_token.get_string().c_str());
+ if (prefix > 128) {
+ throw;
+ }
+@@ -560,7 +560,7 @@ void parser::parse_interface_rule_match_binding(
+ get_next_token();
+ if (m_current_token.get_type() == TT_STRING) {
+ try {
+- int tmp_timeout = std::stoi(m_current_token.get_string());
++ int tmp_timeout = atoi(m_current_token.get_string().c_str());
+ timeout = std::chrono::milliseconds(tmp_timeout);
+ } catch (...) {
+ error_notification();
+diff --git a/mcproxy/src/utils/addr_storage.cpp b/mcproxy/src/utils/addr_storage.cpp
+index 125ccbf..e812ac9 100644
+--- a/mcproxy/src/utils/addr_storage.cpp
++++ b/mcproxy/src/utils/addr_storage.cpp
+@@ -298,7 +298,7 @@ addr_storage& addr_storage::set_port(uint16_t port)
+
+ addr_storage& addr_storage::set_port(const std::string& port)
+ {
+- set_port(std::stoi(port.c_str()));
++ set_port(atoi(port.c_str()));
+ return *this;
+ }
+
+diff --git a/mcproxy/src/utils/mc_socket.cpp b/mcproxy/src/utils/mc_socket.cpp
+index b8fb3ae..8c32e08 100644
+--- a/mcproxy/src/utils/mc_socket.cpp
++++ b/mcproxy/src/utils/mc_socket.cpp
+@@ -37,6 +37,8 @@
+ #include <numeric>
+ #include <unistd.h>
+
++#include "sourcefilter.cpp"
++
+ std::string ipAddrResolver(std::string ipAddr)
+ {
+ std::string str[][2] = {
+diff --git a/mcproxy/src/utils/sourcefilter.cpp b/mcproxy/src/utils/sourcefilter.cpp
+new file mode 100644
+index 0000000..64aafde
+--- /dev/null
++++ b/mcproxy/src/utils/sourcefilter.cpp
+@@ -0,0 +1,168 @@
++/* Get source filter. Linux version.
++ Copyright (C) 2004-2014 Free Software Foundation, Inc.
++ This file is part of the GNU C Library.
++ Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
++
++ The GNU C Library is free software; you can redistribute it and/or
++ modify it under the terms of the GNU Lesser General Public
++ License as published by the Free Software Foundation; either
++ version 2.1 of the License, or (at your option) any later version.
++
++ The GNU C Library is distributed in the hope that it will be useful,
++ but WITHOUT ANY WARRANTY; without even the implied warranty of
++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ Lesser General Public License for more details.
++
++ You should have received a copy of the GNU Lesser General Public
++ License along with the GNU C Library; if not, see
++ <http://www.gnu.org/licenses/>. */
++
++#include <assert.h>
++#include <errno.h>
++#include <stdlib.h>
++#include <string.h>
++#include <stdint.h>
++#include <netinet/in.h>
++#include <netpacket/packet.h>
++#include <sys/param.h>
++#include <sys/socket.h>
++
++#define getsourcefilter getsourcefilter2
++#define setsourcefilter setsourcefilter2
++
++static const struct
++{
++ int sol;
++ int af;
++ socklen_t size;
++} sol_map[] =
++ {
++ /* Sort the array according to importance of the protocols. Add
++ more protocols when they become available. */
++ { SOL_IP, AF_INET, sizeof (struct sockaddr_in) },
++ { SOL_IPV6, AF_INET6, sizeof (struct sockaddr_in6) },
++ { SOL_PACKET, AF_PACKET, sizeof (struct sockaddr_ll) }
++ };
++#define NSOL_MAP (sizeof (sol_map) / sizeof (sol_map[0]))
++
++
++/* Try to determine the socket level value. Ideally both side and
++ family are set. But sometimes only the size is correct and the
++ family value might be bogus. Loop over the array entries and look
++ for a perfect match or the first match based on size. */
++static int
++__get_sol (int af, socklen_t len)
++{
++ int first_size_sol = -1;
++
++ for (size_t cnt = 0; cnt < NSOL_MAP; ++cnt)
++ {
++ /* Just a test so that we make sure the special value used to
++ signal the "we have so far no socket level value" is OK. */
++ assert (sol_map[cnt].sol != -1);
++
++ if (len == sol_map[cnt].size)
++ {
++ /* The size matches, which is a requirement. If the family
++ matches, too, we have a winner. Otherwise we remember the
++ socket level value for this protocol if it is the first
++ match. */
++ if (af == sol_map[cnt].af)
++ /* Bingo! */
++ return sol_map[cnt].sol;
++
++ if (first_size_sol == -1)
++ first_size_sol = sol_map[cnt].sol;
++ }
++ }
++
++ return first_size_sol;
++}
++
++
++int
++getsourcefilter2 (int s, uint32_t interface, const struct sockaddr *group,
++ socklen_t grouplen, uint32_t *fmode, uint32_t *numsrc,
++ struct sockaddr_storage *slist)
++{
++ /* We have to create an struct ip_msfilter object which we can pass
++ to the kernel. */
++ socklen_t needed = GROUP_FILTER_SIZE (*numsrc);
++ struct group_filter *gf;
++ gf = (struct group_filter *) malloc (needed);
++ if (gf == NULL)
++ return -1;
++
++ gf->gf_interface = interface;
++ memcpy (&gf->gf_group, group, grouplen);
++ gf->gf_numsrc = *numsrc;
++
++ /* We need to provide the appropriate socket level value. */
++ int result;
++ int sol = __get_sol (group->sa_family, grouplen);
++ if (sol == -1)
++ {
++ errno = EINVAL;
++ result = -1;
++ }
++ else
++ {
++ result = getsockopt (s, sol, MCAST_MSFILTER, gf, &needed);
++
++ /* If successful, copy the results to the places the caller wants
++ them in. */
++ if (result == 0)
++ {
++ *fmode = gf->gf_fmode;
++ memcpy (slist, gf->gf_slist,
++ MIN (*numsrc, gf->gf_numsrc)
++ * sizeof (struct sockaddr_storage));
++ *numsrc = gf->gf_numsrc;
++ }
++ }
++
++ int save_errno = errno;
++ free (gf);
++ errno = save_errno;
++
++ return result;
++}
++
++
++int
++setsourcefilter2 (int s, uint32_t interface, const struct sockaddr *group,
++ socklen_t grouplen, uint32_t fmode, uint32_t numsrc,
++ const struct sockaddr_storage *slist)
++{
++ /* We have to create an struct ip_msfilter object which we can pass
++ to the kernel. */
++ size_t needed = GROUP_FILTER_SIZE (numsrc);
++
++ struct group_filter *gf;
++ gf = (struct group_filter *) malloc (needed);
++ if (gf == NULL)
++ return -1;
++
++ gf->gf_interface = interface;
++ memcpy (&gf->gf_group, group, grouplen);
++ gf->gf_fmode = fmode;
++ gf->gf_numsrc = numsrc;
++ memcpy (gf->gf_slist, slist, numsrc * sizeof (struct sockaddr_storage));
++
++ /* We need to provide the appropriate socket level value. */
++ int result;
++ int sol = __get_sol (group->sa_family, grouplen);
++ if (sol == -1)
++ {
++ errno = EINVAL;
++ result = -1;
++ }
++ else
++ result = setsockopt (s, sol, MCAST_MSFILTER, gf, needed);
++
++ int save_errno = errno;
++ free (gf);
++ errno = save_errno;
++
++ return result;
++}
+--
+1.8.3.2
+
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