Merge pull request #668 from turon/build/doxygen

[build] add 'make docdist' to build doxygen.
diff --git a/configure.ac b/configure.ac
index a9f05fa..998d7f0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2044,13 +2044,17 @@
 
 if test "${nl_with_nlfaultinjection}" = "internal"; then
 AC_CONFIG_SUBDIRS([third_party/nlfaultinjection/repo])
-AC_SUBST(NLFAULTINJECTION_FOREIGN_SUBDIR_DEPENDENCY,["${ac_pwd}/third_party/nlfaultinjection/repo"/src])
+AC_SUBST(NLFAULTINJECTION_FOREIGN_SUBDIR_DEPENDENCY,["${ac_pwd}/third_party/nlfaultinjection/repo/src"])
 fi
 
 if test "${nl_with_mbedtls}" = "internal"; then
 AC_CONFIG_SUBDIRS([third_party/mbedtls/repo])
 fi
 
+if test "${nl_with_lwip}" = "internal"; then
+AC_SUBST(LWIP_FOREIGN_SUBDIR_DEPENDENCY,["${ac_pwd}/src/lwip"])
+fi
+
 #
 # Identify the various makefiles and auto-generated files for the package
 #
@@ -2155,6 +2159,7 @@
   LwIP compile flags                               : ${LWIP_CPPFLAGS:--}
   LwIP link flags                                  : ${LWIP_LDFLAGS:--}
   LwIP link libraries                              : ${LWIP_LIBS:--}
+  LwIP foreign subdirectory dependency             : ${LWIP_FOREIGN_SUBDIR_DEPENDENCY:--}
   mbedTLS source                                   : ${nl_with_mbedtls:--}
   mbedTLS compile flags                            : ${MBEDTLS_CPPFLAGS:--}
   mbedTLS link flags                               : ${MBEDTLS_LDFLAGS:--}
diff --git a/scripts/build/bootstrap.sh b/scripts/build/bootstrap.sh
index df107f3..f6a2b88 100755
--- a/scripts/build/bootstrap.sh
+++ b/scripts/build/bootstrap.sh
@@ -1,11 +1,9 @@
 #!/bin/bash
 
-# if [[ ! -f build/default/config.status ]]; then mkdir -p build/default; (cd build/default && ../../bootstrap-configure --enable-debug --enable-coverage); else ./bootstrap -w make; fi
-
 if [[ ! -f build/default/config.status ]]; then
   mkdir -p build/default
   (cd build/default &&
-    ../../bootstrap-configure --enable-debug --enable-coverage)
+    ../../bootstrap-configure -C --enable-debug --enable-coverage)
 elif [[ configure.ac -nt configure ]]; then
   ./bootstrap
 else
diff --git a/scripts/build/bootstrap_mbedtls.sh b/scripts/build/bootstrap_mbedtls.sh
index 2bf526f..e9558cd 100755
--- a/scripts/build/bootstrap_mbedtls.sh
+++ b/scripts/build/bootstrap_mbedtls.sh
@@ -2,4 +2,4 @@
 
 git clean -xdf
 mkdir -p build/default
-(cd build/default && ../../bootstrap-configure --enable-debug --enable-coverage --with-crypto=mbedtls)
+(cd build/default && ../../bootstrap-configure -C --enable-debug --enable-coverage --with-crypto=mbedtls)
diff --git a/src/Makefile.am b/src/Makefile.am
index 0147a56..dae592f 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -55,11 +55,11 @@
 
 DIST_SUBDIRS                      = \
     include                         \
+    lwip                            \
     system                          \
     $(BLE_SUBDIRS)                  \
     inet                            \
     lib                             \
-    lwip                            \
     setup_payload                   \
     crypto                          \
     $(PLATFORM_SUBDIRS)             \
@@ -69,12 +69,12 @@
 
 SUBDIRS                           = \
     include                         \
+    lwip                            \
     lib/support                     \
     system                          \
     $(MAYBE_BLE_SUBDIRS)            \
     inet                            \
     lib                             \
-    lwip                            \
     setup_payload                   \
     crypto                          \
     $(MAYBE_PLATFORM_SUBDIRS)       \
diff --git a/src/ble/tests/Makefile.am b/src/ble/tests/Makefile.am
index 4b587c4..a6dd4f0 100644
--- a/src/ble/tests/Makefile.am
+++ b/src/ble/tests/Makefile.am
@@ -111,6 +111,7 @@
    $(NULL)
 
 NLFOREIGN_SUBDIR_DEPENDENCIES                         = \
+   $(LWIP_FOREIGN_SUBDIR_DEPENDENCY)                    \
    $(NLUNIT_TEST_FOREIGN_SUBDIR_DEPENDENCY)             \
    $(NULL)
 
diff --git a/src/crypto/Makefile.am b/src/crypto/Makefile.am
index 7be04c9..7886279 100644
--- a/src/crypto/Makefile.am
+++ b/src/crypto/Makefile.am
@@ -30,6 +30,7 @@
 libChipCrypto_adir             = $(includedir)/crypto
 
 libChipCrypto_a_CPPFLAGS            = \
+    $(LWIP_CPPFLAGS)                  \
     $(NLASSERT_CPPFLAGS)              \
     -I$(top_srcdir)/src               \
     -I$(top_srcdir)/src/lib           \
diff --git a/src/crypto/tests/Makefile.am b/src/crypto/tests/Makefile.am
index 88e29d1..71d33ad 100644
--- a/src/crypto/tests/Makefile.am
+++ b/src/crypto/tests/Makefile.am
@@ -63,6 +63,7 @@
     -I$(top_srcdir)/src/system                   \
     -I$(top_srcdir)/src/include/                 \
     -I$(top_srcdir)/src/crypto                   \
+    $(LWIP_CPPFLAGS)                             \
     $(NLASSERT_CPPFLAGS)                         \
     $(NLUNIT_TEST_CPPFLAGS)                      \
     $(NULL)
diff --git a/src/inet/tests/Makefile.am b/src/inet/tests/Makefile.am
index 4571c84..2760a93 100644
--- a/src/inet/tests/Makefile.am
+++ b/src/inet/tests/Makefile.am
@@ -27,6 +27,7 @@
 # since they are not part of the package.
 #
 noinst_HEADERS                                        = \
+    TapAddrAutoconf.h                                   \
     TestInetCommon.h                                    \
     TestInetCommonOptions.h                             \
     TestInetLayerCommon.hpp                             \
@@ -77,6 +78,7 @@
     $(NULL)
 
 libTestInetCommon_a_SOURCES                           = \
+    TapAddrAutoconf.cpp                                 \
     TestInetCommon.cpp                                  \
     TestInetCommonOptions.cpp                           \
     TestInetLayerCommon.cpp                             \
@@ -89,7 +91,7 @@
     $(NULL)
 
 COMMON_LDADD                                          = \
-    libInetLayerTests.a                                  \
+    libInetLayerTests.a                                 \
     $(COMMON_LDFLAGS)                                   \
     $(CHIP_LDADD)                                       \
     $(NLFAULTINJECTION_LDFLAGS) $(NLFAULTINJECTION_LIBS)\
@@ -186,6 +188,7 @@
    $(NULL)
 
 NLFOREIGN_SUBDIR_DEPENDENCIES                         = \
+   $(LWIP_FOREIGN_SUBDIR_DEPENDENCY)                    \
    $(NLFAULTINJECTION_FOREIGN_SUBDIR_DEPENDENCY)        \
    $(NLUNIT_TEST_FOREIGN_SUBDIR_DEPENDENCY)             \
    $(NULL)
diff --git a/src/inet/tests/TapAddrAutoconf.cpp b/src/inet/tests/TapAddrAutoconf.cpp
new file mode 100644
index 0000000..1ae6569
--- /dev/null
+++ b/src/inet/tests/TapAddrAutoconf.cpp
@@ -0,0 +1,74 @@
+/*
+ *
+ *    Copyright (c) 2020 Project CHIP Authors
+ *    Copyright (c) 2019 Google LLC.
+ *    All rights reserved.
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
+#include "TapAddrAutoconf.h"
+
+#include <ifaddrs.h>
+#include <inttypes.h>
+#include <signal.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+
+int CollectTapAddresses(std::vector<char *> & addresses, const char * ifName)
+{
+    struct ifaddrs *addrsList, *curAddr;
+    const int err = getifaddrs(&addrsList);
+
+    if (err == 0)
+    {
+        curAddr = addrsList;
+
+        while (curAddr)
+        {
+            if (strcmp(ifName, curAddr->ifa_name) == 0)
+            {
+                char buf[INET6_ADDRSTRLEN];
+                const char * rv;
+                char * tmp;
+                rv = inet_ntop(curAddr->ifa_addr->sa_family,
+                               curAddr->ifa_addr->sa_family == AF_INET6
+                                   ? (const void *) &(((sockaddr_in6 *) curAddr->ifa_addr)->sin6_addr)
+                                   : (const void *) &(((sockaddr_in *) curAddr->ifa_addr)->sin_addr),
+                               buf, sizeof(buf));
+                if (rv != NULL)
+                {
+                    tmp = (char *) malloc(strlen(buf));
+                    strcpy(tmp, buf);
+                    addresses.push_back(tmp);
+                }
+            }
+            curAddr = curAddr->ifa_next;
+        }
+        freeifaddrs(addrsList);
+    }
+    else
+    {
+        return -1;
+    }
+
+    return 0;
+}
diff --git a/src/inet/tests/TapAddrAutoconf.h b/src/inet/tests/TapAddrAutoconf.h
new file mode 100644
index 0000000..2a51c94
--- /dev/null
+++ b/src/inet/tests/TapAddrAutoconf.h
@@ -0,0 +1,29 @@
+/*
+ *
+ *    Copyright (c) 2020 Project CHIP Authors
+ *    Copyright (c) 2019 Google LLC.
+ *    All rights reserved.
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
+/**
+ * @file
+ *   This file defines functions for taking configuration for the LwIP stack
+ *   from the corresponding configuration on the tap interface.
+ */
+
+#include <new>
+#include <vector>
+
+int CollectTapAddresses(std::vector<char *> & addresses, const char * ifName);
diff --git a/src/inet/tests/TestInetCommon.cpp b/src/inet/tests/TestInetCommon.cpp
index c721590..7d6908b 100644
--- a/src/inet/tests/TestInetCommon.cpp
+++ b/src/inet/tests/TestInetCommon.cpp
@@ -320,19 +320,19 @@
             ip4AddrLwIP = ip4Addr.ToIPv4();
             IP4_ADDR(&ip4NetmaskLwIP, 255, 255, 255, 0);
             ip4GatewayLwIP = ip4Gateway.ToIPv4();
-            netif_add(&(netIFs[j]), &ip4AddrLwIP, &ip4NetmaskLwIP, &ip4GatewayLwIP, &(sTapIFs[j]), TapInterface_SetupNetif,
+            netif_add(&(sNetIFs[j]), &ip4AddrLwIP, &ip4NetmaskLwIP, &ip4GatewayLwIP, &(sTapIFs[j]), TapInterface_SetupNetif,
                       tcpip_input);
         }
 
 #endif // INET_CONFIG_ENABLE_IPV4
 
-        netif_create_ip6_linklocal_address(&(netIFs[j]), 1);
+        netif_create_ip6_linklocal_address(&(sNetIFs[j]), 1);
 
         if (j < gNetworkOptions.LocalIPv6Addr.size())
         {
             ip6_addr_t ip6addr = gNetworkOptions.LocalIPv6Addr[j].ToIPv6();
             s8_t index;
-            netif_add_ip6_address_with_route(&(netIFs[j]), &ip6addr, 64, &index);
+            netif_add_ip6_address_with_route(&(sNetIFs[j]), &ip6addr, 64, &index);
             // add ipv6 route for ipv6 address
             if (j < gNetworkOptions.IPv6GatewayAddr.size())
             {
@@ -340,11 +340,11 @@
                 struct ip6_prefix ip6_prefix;
                 ip6_prefix.addr       = Inet::IPAddress::Any.ToIPv6();
                 ip6_prefix.prefix_len = 0;
-                ip6_add_route_entry(&ip6_prefix, &netIFs[j], &br_ip6_addr, NULL);
+                ip6_add_route_entry(&ip6_prefix, &sNetIFs[j], &br_ip6_addr, NULL);
             }
             if (index >= 0)
             {
-                netif_ip6_addr_set_state(&(netIFs[j]), index, IP6_ADDR_PREFERRED);
+                netif_ip6_addr_set_state(&(sNetIFs[j]), index, IP6_ADDR_PREFERRED);
             }
         }
         for (size_t n = 0; n < addrsVec.size(); n++)
@@ -358,19 +358,19 @@
                     continue; // skip over the LLA addresses, LwIP is aready adding those
                 if (auto_addr.IsIPv6Multicast())
                     continue; // skip over the multicast addresses from host for now.
-                netif_add_ip6_address_with_route(&(netIFs[j]), &ip6addr, 64, &index);
+                netif_add_ip6_address_with_route(&(sNetIFs[j]), &ip6addr, 64, &index);
                 if (index >= 0)
                 {
-                    netif_ip6_addr_set_state(&(netIFs[j]), index, IP6_ADDR_PREFERRED);
+                    netif_ip6_addr_set_state(&(sNetIFs[j]), index, IP6_ADDR_PREFERRED);
                 }
             }
         }
 
-        netif_set_up(&(netIFs[j]));
-        netif_set_link_up(&(netIFs[j]));
+        netif_set_up(&(sNetIFs[j]));
+        netif_set_link_up(&(sNetIFs[j]));
     }
 
-    netif_set_default(&(netIFs[0]));
+    netif_set_default(&(sNetIFs[0]));
     // UnLock LwIP stack
 
     UNLOCK_TCPIP_CORE();
@@ -390,11 +390,11 @@
     {
         if (j < gNetworkOptions.LocalIPv6Addr.size())
         {
-            netif_ip6_addr_set_state(&(netIFs[j]), 2, 0x30);
+            netif_ip6_addr_set_state(&(sNetIFs[j]), 2, 0x30);
         }
         else
         {
-            netif_ip6_addr_set_state(&(netIFs[j]), 1, 0x30);
+            netif_ip6_addr_set_state(&(sNetIFs[j]), 1, 0x30);
         }
     }
 
@@ -544,7 +544,7 @@
     {
         for (int i = 0; i < LWIP_IPV6_NUM_ADDRESSES; i++)
         {
-            if (!ip6_addr_isany(netif_ip6_addr(&(netIFs[j]), i)) && ip6_addr_istentative(netif_ip6_addr_state(&(netIFs[j]), i)))
+            if (!ip6_addr_isany(netif_ip6_addr(&(sNetIFs[j]), i)) && ip6_addr_istentative(netif_ip6_addr_state(&(sNetIFs[j]), i)))
             {
                 ready = false;
                 break;
diff --git a/src/lib/core/tests/Makefile.am b/src/lib/core/tests/Makefile.am
index 8c5ce68..b7c5d31 100644
--- a/src/lib/core/tests/Makefile.am
+++ b/src/lib/core/tests/Makefile.am
@@ -118,6 +118,7 @@
    $(NULL)
 
 NLFOREIGN_SUBDIR_DEPENDENCIES                         = \
+   $(LWIP_FOREIGN_SUBDIR_DEPENDENCY)                    \
    $(NLFAULTINJECTION_FOREIGN_SUBDIR_DEPENDENCY)        \
    $(NLUNIT_TEST_FOREIGN_SUBDIR_DEPENDENCY)             \
    $(NULL)
diff --git a/src/lib/core/tests/TestCHIPTLVDriver.cpp b/src/lib/core/tests/TestCHIPTLVDriver.cpp
index a307e60..3b311b6 100644
--- a/src/lib/core/tests/TestCHIPTLVDriver.cpp
+++ b/src/lib/core/tests/TestCHIPTLVDriver.cpp
@@ -24,10 +24,20 @@
 
 #include "TestCore.h"
 
+#include <core/CHIPConfig.h>
+
+#if CHIP_SYSTEM_CONFIG_USE_LWIP
+#include <lwip/tcpip.h>
+#endif // CHIP_SYSTEM_CONFIG_USE_LWIP
+
 #include <nlunit-test.h>
 
 int main(void)
 {
+#if CHIP_SYSTEM_CONFIG_USE_LWIP
+    tcpip_init(NULL, NULL);
+#endif // CHIP_SYSTEM_CONFIG_USE_LWIP
+
     // Generate machine-readable, comma-separated value (CSV) output.
     nlTestSetOutputStyle(OUTPUT_CSV);
 
diff --git a/src/lib/support/Makefile.am b/src/lib/support/Makefile.am
index 3bc2b8f..af43e9a 100644
--- a/src/lib/support/Makefile.am
+++ b/src/lib/support/Makefile.am
@@ -35,6 +35,7 @@
     -I$(top_srcdir)/src               \
     -I$(top_srcdir)/src/lib           \
     -I$(top_srcdir)/src/include       \
+    $(LWIP_CPPFLAGS)                  \
     $(NLASSERT_CPPFLAGS)              \
     $(NLFAULTINJECTION_CPPFLAGS)      \
     $(NULL)
diff --git a/src/lib/support/tests/Makefile.am b/src/lib/support/tests/Makefile.am
index b3d4672..4ce565c 100644
--- a/src/lib/support/tests/Makefile.am
+++ b/src/lib/support/tests/Makefile.am
@@ -129,6 +129,7 @@
    $(NULL)
 
 NLFOREIGN_SUBDIR_DEPENDENCIES                         = \
+   $(LWIP_FOREIGN_SUBDIR_DEPENDENCY)                    \
    $(NLUNIT_TEST_FOREIGN_SUBDIR_DEPENDENCY)             \
    $(NULL)
 
diff --git a/src/lib/support/tests/TestCHIPCounter.cpp b/src/lib/support/tests/TestCHIPCounter.cpp
index 33c5def..da107f5 100644
--- a/src/lib/support/tests/TestCHIPCounter.cpp
+++ b/src/lib/support/tests/TestCHIPCounter.cpp
@@ -94,4 +94,4 @@
     nlTestRunner(&theSuite, NULL);
 
     return nlTestRunnerStats(&theSuite);
-}
\ No newline at end of file
+}
diff --git a/src/setup_payload/Makefile.am b/src/setup_payload/Makefile.am
index 087b500..e2567c6 100644
--- a/src/setup_payload/Makefile.am
+++ b/src/setup_payload/Makefile.am
@@ -33,7 +33,8 @@
     -I$(top_srcdir)/src                                     \
     -I$(top_srcdir)/src/lib                                 \
     -I$(top_srcdir)/src/system                              \
-    -I$(top_srcdir)/src/include/                            \
+    -I$(top_srcdir)/src/include                             \
+    $(LWIP_CPPFLAGS)                                        \
     $(NULL)
 
 libSetupPayload_a_SOURCES                                       = \
diff --git a/src/setup_payload/tests/Makefile.am b/src/setup_payload/tests/Makefile.am
index 234253d..69081a4 100644
--- a/src/setup_payload/tests/Makefile.am
+++ b/src/setup_payload/tests/Makefile.am
@@ -59,6 +59,7 @@
     -I$(top_srcdir)/src/lib                      \
     -I$(top_srcdir)/src/system                   \
     -I$(top_srcdir)/src/setup_payload            \
+    $(LWIP_CPPFLAGS)                             \
     $(NULL)
 
 COMMON_LDADD                                   = \
diff --git a/src/system/tests/Makefile.am b/src/system/tests/Makefile.am
index e2e7fc6..9e3c293 100644
--- a/src/system/tests/Makefile.am
+++ b/src/system/tests/Makefile.am
@@ -131,6 +131,7 @@
    $(NULL)
 
 NLFOREIGN_SUBDIR_DEPENDENCIES                         = \
+   $(LWIP_FOREIGN_SUBDIR_DEPENDENCY)                    \
    $(NLFAULTINJECTION_FOREIGN_SUBDIR_DEPENDENCY)        \
    $(NLUNIT_TEST_FOREIGN_SUBDIR_DEPENDENCY)             \
    $(NULL)
diff --git a/src/system/tests/TestSystemPacketBufferDriver.cpp b/src/system/tests/TestSystemPacketBufferDriver.cpp
index 2dc3efe..b52a5ea 100644
--- a/src/system/tests/TestSystemPacketBufferDriver.cpp
+++ b/src/system/tests/TestSystemPacketBufferDriver.cpp
@@ -25,6 +25,8 @@
 
 #include "TestSystemLayer.h"
 
+#include <system/SystemConfig.h>
+
 #if CHIP_SYSTEM_CONFIG_USE_LWIP
 #include <lwip/tcpip.h>
 #endif // CHIP_SYSTEM_CONFIG_USE_LWIP
diff --git a/third_party/lwip/Makefile.am b/third_party/lwip/Makefile.am
index a0b7b34..3d11212 100644
--- a/third_party/lwip/Makefile.am
+++ b/third_party/lwip/Makefile.am
@@ -26,75 +26,6 @@
 
 include $(abs_top_nlbuild_autotools_dir)/automake/pre.am
 
-lib_LIBRARIES                                                                  = liblwip.a
-
-liblwip_API_SOURCES                                                            = \
-    repo/lwip/src/api/api_lib.c                  \
-    repo/lwip/src/api/api_msg.c                  \
-    repo/lwip/src/api/err.c                      \
-    repo/lwip/src/api/netbuf.c                   \
-    repo/lwip/src/api/netdb.c                    \
-    repo/lwip/src/api/netifapi.c                 \
-    repo/lwip/src/api/sockets.c                  \
-    repo/lwip/src/api/tcpip.c                    \
-    $(NULL)
-
-liblwip_CORE_SOURCES                                                           = \
-    repo/lwip/src/core/def.c                     \
-    repo/lwip/src/core/dns.c                     \
-    repo/lwip/src/core/inet_chksum.c             \
-    repo/lwip/src/core/init.c                    \
-    repo/lwip/src/core/ipv4/autoip.c             \
-    repo/lwip/src/core/ipv4/icmp.c               \
-    repo/lwip/src/core/ipv4/igmp.c               \
-    repo/lwip/src/core/ipv4/ip4.c                \
-    repo/lwip/src/core/ipv4/ip4_addr.c           \
-    repo/lwip/src/core/ipv4/etharp.c             \
-    repo/lwip/src/core/ipv4/ip4_frag.c           \
-    repo/lwip/src/core/ipv4/dhcp.c               \
-    repo/lwip/src/core/ipv6/ip6_route_table.c    \
-    repo/lwip/src/core/ipv6/dhcp6.c              \
-    repo/lwip/src/core/ipv6/ethip6.c             \
-    repo/lwip/src/core/ipv6/icmp6.c              \
-    repo/lwip/src/core/ipv6/inet6.c              \
-    repo/lwip/src/core/ipv6/ip6.c                \
-    repo/lwip/src/core/ipv6/ip6_addr.c           \
-    repo/lwip/src/core/ipv6/ip6_frag.c           \
-    repo/lwip/src/core/ipv6/mld6.c               \
-    repo/lwip/src/core/ipv6/nd6.c                \
-    repo/lwip/src/core/mem.c                     \
-    repo/lwip/src/core/memp.c                    \
-    repo/lwip/src/core/netif.c                   \
-    repo/lwip/src/core/pbuf.c                    \
-    repo/lwip/src/core/raw.c                     \
-    repo/lwip/src/core/stats.c                   \
-    repo/lwip/src/core/sys.c                     \
-    repo/lwip/src/core/tcp.c                     \
-    repo/lwip/src/core/tcp_in.c                  \
-    repo/lwip/src/core/tcp_out.c                 \
-    repo/lwip/src/core/udp.c                     \
-    repo/lwip/src/core/ip.c                      \
-    repo/lwip/src/core/timeouts.c                \
-    $(NULL)
-
-liblwip_NETIF_SOURCES                                                          = \
-    repo/lwip/src/netif/ethernet.c               \
-    $(NULL)
-
-liblwip_a_SOURCES                                                              = \
-    $(liblwip_API_SOURCES)                                                       \
-    $(liblwip_CORE_SOURCES)                                                      \
-    $(liblwip_NETIF_SOURCES)                                                     \
-    $(liblwip_TARGET_SOURCES)                                                    \
-    $(NULL)
-
-liblwip_a_CPPFLAGS                                                             = \
-    -I$(top_srcdir)/third_party/lwip/repo/lwip/src/include                       \
-    -I$(top_srcdir)/src/lwip/standalone                                          \
-    $(LWIP_CPPFLAGS)                                                             \
-    $(NULL)
-
-
 EXTRA_DIST                                = \
     repo/lwip.url                           \
     repo/lwip.version                       \