inserted find_optional_package to require or ignore opional packages

CMakeLists.txt

@@ -111,7 +111,7 @@ if(APPLE)
 endif()
 
 # Build CUnit
-find_package(CUnit)
+find_optional_package(CUnit)
 if(CUNIT_FOUND)
    add_subdirectory(cunit)
    enable_testing()

client/CMakeLists.txt

@@ -25,13 +25,13 @@ if(NOT WIN32)
 	add_subdirectory(test)
 
 	# Build X11 Client
-	find_package(X11)
+	find_optional_package(X11)
 	if(X11_FOUND)
 		add_subdirectory(X11)
 	endif()
 
 	# Build DirectFB Client
-	find_package(DirectFB)
+	find_optional_package(DirectFB)
 	if(DIRECTFB_FOUND)
 		add_subdirectory(DirectFB)
 	endif()

client/X11/CMakeLists.txt

@@ -44,21 +44,21 @@ if(WITH_MANPAGES)
 	install(FILES xfreerdp.1 DESTINATION share/man/man1)
 endif()
 
-find_package(Xinerama)
+find_optional_package(Xinerama)
 if(XINERAMA_FOUND)
 	add_definitions(-DWITH_XINERAMA -DWITH_XEXT)
 	include_directories(${XINERAMA_INCLUDE_DIRS})
 	target_link_libraries(xfreerdp ${XINERAMA_LIBRARIES})
 endif()
 
-find_package(Xext)
+find_optional_package(Xext)
 if(XEXT_FOUND)
 	add_definitions(-DWITH_XEXT)
 	include_directories(${XEXT_INCLUDE_DIRS})
 	target_link_libraries(xfreerdp ${XEXT_LIBRARIES})
 endif()
 
-find_package(Xcursor)
+find_optional_package(Xcursor)
 if(Xcursor_FOUND)
 	add_definitions(-DWITH_XCURSOR)
 	include_directories(${Xcursor_INCLUDE_DIRS})

libfreerdp-kbd/CMakeLists.txt

@@ -29,7 +29,7 @@ set(FREERDP_KBD_SRCS
 
 add_library(freerdp-kbd SHARED ${FREERDP_KBD_SRCS})
 
-find_package(XKBFile)
+find_optional_package(XKBFile)
 if(XKBFILE_FOUND)
 	add_definitions(-DWITH_XKBFILE)
 	include_directories(${XKBFILE_INCLUDE_DIRS})