submodules: add libxml2, v4l, zlib, sqlite3

.gitmodules

@@ -75,3 +75,14 @@
 [submodule "submodules/cunit"]
 	path = submodules/cunit
 	url = git://git.linphone.org/cunit.git
+[submodule "submodules/externals/v4l-utils"]
+	path = submodules/externals/v4l-utils
+	url = git://linuxtv.org/v4l-utils.git
+[submodule "submodules/externals/libxml2"]
+	path = submodules/externals/libxml2
+	url = git://git.linphone.org/libxml2
+	ignore = dirty
+[submodule "submodules/externals/zlib"]
+	path = submodules/externals/zlib
+	url = git://git.linphone.org/zlib
+	ignore = dirty

cmake-builder @ 8d6beb2f

-Subproject commit 0ad3718c9cf24fa4d86bba435b2e0d11dd5ecd49
+Subproject commit 8d6beb2f07936aa59fc16cf3e10f60f5e2d70255

libxml2 @ c943f708

+Subproject commit c943f708f1853de4eb15e5a94cf0b35d108da87a

submodules/externals/sqlite3/CMakeLists.txt

+############################################################################
+# CMakeLists.txt
+# Copyright (C) 2014  Belledonne Communications, Grenoble France
+#
+############################################################################
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+############################################################################
+
+cmake_minimum_required(VERSION 2.6)
+project(SQLITE3 C)
+
+
+option(ENABLE_STATIC "Build static library (default is shared library)." OFF)
+
+
+set(SOURCE_FILES sqlite3.c)
+if(WIN32)
+	list(APPEND SOURCE_FILES sqlite3.def)
+endif()
+
+if(CMAKE_SYSTEM_NAME STREQUAL "WindowsPhone" OR CMAKE_SYSTEM_NAME STREQUAL "WindowsStore")
+	add_definitions(
+		-DSQLITE_OS_WINRT=1
+		-DSQLITE_WIN32_FILEMAPPING_API=1
+		-DSQLITE_OMIT_LOAD_EXTENSION
+	)
+endif()
+
+if(ENABLE_STATIC)
+	add_library(sqlite3 STATIC ${SOURCE_FILES})
+else()
+	add_library(sqlite3 SHARED ${SOURCE_FILES})
+	if(MSVC)
+		if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+			install(FILES ${CMAKE_CURRENT_BINARY_DIR}/Debug/sqlite3.pdb
+				DESTINATION bin
+				PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
+			)
+		endif()
+	endif()
+endif()
+
+install(TARGETS sqlite3
+	RUNTIME DESTINATION bin
+	LIBRARY DESTINATION lib
+	ARCHIVE DESTINATION lib
+	PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
+)
+
+
+file(GLOB HEADER_FILES "*.h")
+
+install(FILES ${HEADER_FILES}
+	DESTINATION include
+	PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
+)

v4l-utils @ 92995faa

+Subproject commit 92995faa431fdd247d55b982898a70aa3a339874

zlib @ 91eb77a7

+Subproject commit 91eb77a7c5bfe7b4cc6b722aa96548d7143a9936