Work around check_lib not finding iconv.

CMakeLists.txt

@@ -328,8 +328,9 @@ add_definitions(-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE)
 # TODO: We should have options for dependencies included in the externals to
 # override autodetection of system libraries and force the usage of the
 # externals.
-if(NOT ANDROID)
 include(CheckLib)
+include(CheckCXXSourceRuns)
+if(NOT ANDROID)
 
 	include(FindOpenGL)
 	include_directories(${OPENGL_INCLUDE_DIR})
@@ -454,7 +455,6 @@ if(NOT ANDROID)
 		check_libav()
 	endif()
 
-	include(CheckCXXSourceRuns)
 	set(CMAKE_REQUIRED_LIBRARIES portaudio)
 	CHECK_CXX_SOURCE_RUNS(
 		"#include <portaudio.h>
@@ -649,10 +649,16 @@ else()
 	endif()
 endif()
 
-if (NOT ANDROID)
+CHECK_CXX_SOURCE_RUNS(
-	check_lib(ICONV ICONV iconv.h)
+        "#include <iconv.h>
-endif()
+	int main(int argc, char **argv)
-if (NOT ICONV_FOUND)
+	{
+		iconv_t const conv_desc = iconv_open(""UTF-8"", fromcode);
+		if ((iconv_t)-1 == conv_desc) return 0; else return 1;
+	}"
+	ICONV)
+
+if (NOT ICONV)
 	message("Using static iconv from Externals")
 	include_directories(Externals/libiconv-1.14/include)
 	add_subdirectory(Externals/libiconv-1.14)

Source/Core/DolphinWX/CMakeLists.txt

@@ -1,6 +1,5 @@
 set(LIBS	core
 			${LZO}
-			iconv
 			discio
 			bdisasm
 			inputcommon
@@ -9,6 +8,11 @@ set(LIBS	core
 			z
 			sfml-network
 			${GTK2_LIBRARIES})
+
+if(NOT ICONV)
+	set(LIBS ${LIBS} iconv)
+endif()
+
 if(NOT ANDROID)
 	if(USE_X11)
 	  set(LIBS  ${LIBS} ${X11_LIBRARIES}