Add FindIconv to CMake build.

cmake/FindIconv.cmake

+############################################################################
+# FindIconv.cmake
+# 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.
+#
+############################################################################
+#
+# - Find the iconv include file and library
+#
+#  ICONV_FOUND - system has libiconv
+#  ICONV_INCLUDE_DIRS - the libiconv include directory
+#  ICONV_LIBRARIES - The libraries needed to use libiconv
+
+set(_ICONV_ROOT_PATHS
+	${WITH_ICONV}
+	${CMAKE_INSTALL_PREFIX}
+)
+
+find_path(ICONV_INCLUDE_DIRS
+	NAMES iconv.h
+	HINTS _ICONV_ROOT_PATHS
+	PATH_SUFFIXES include
+)
+
+if(ICONV_INCLUDE_DIRS)
+	set(HAVE_ICONV_H 1)
+endif()
+
+find_library(ICONV_LIBRARIES
+	NAMES iconv
+	HINTS ${_ICONV_ROOT_PATHS}
+	PATH_SUFFIXES bin lib
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Iconv
+	DEFAULT_MSG
+	ICONV_INCLUDE_DIRS ICONV_LIBRARIES HAVE_ICONV_H
+)
+
+mark_as_advanced(ICONV_INCLUDE_DIRS ICONV_LIBRARIES HAVE_ICONV_H)

coreapi/CMakeLists.txt

@@ -25,6 +25,8 @@ if(MSVC)
 	find_library(LIBMINGWEX NAMES mingwex)
 endif()
 
+find_package(Iconv)
+
 
 set(SOURCE_FILES
 	address.c
@@ -124,6 +126,9 @@ set(LIBS
 if(SQLITE3_FOUND)
 	list(APPEND LIBS ${SQLITE3_LIBRARIES})
 endif()
+if(ICONV_FOUND)
+	list(APPEND LIBS ${ICONV_LIBRARIES})
+endif()
 if(ENABLE_TUNNEL)
 	list(APPEND LIBS ${TUNNEL_LIBRARIES})
 endif()
@@ -150,6 +155,9 @@ else()
 		endif()
 	endif()
 endif()
+if(ICONV_FOUND)
+	target_include_directories(linphone PUBLIC ${ICONV_INCLUDE_DIRS})
+endif()
 
 install(TARGETS linphone
 	RUNTIME DESTINATION bin