Remove leftover bits of the X11 option.

Fix up finding packages.

src/conio/CMakeLists.txt

@@ -26,11 +26,9 @@ if(CURSES_FOUND)
 endif()
 
 if(X11_FOUND)
-	if(X11)
-		list(APPEND SOURCE x_events.c x_cio.c)
-		set(NEED_BITMAP TRUE)
-		set(NEED_DLOPEN TRUE)
-	endif()
+	list(APPEND SOURCE x_events.c x_cio.c)
+	set(NEED_BITMAP TRUE)
+	set(NEED_DLOPEN TRUE)
 endif()
 
 if(SDL_FOUND)
@@ -48,9 +46,11 @@ if(NEED_BITMAP)
 endif()
 
 add_library(ciolib SHARED ${SOURCE})
-find_package(XPDev REQUIRED)
-include(${XPDev_CONFIG})
-add_dependencies(ciolib xpdev)
+if(NOT ${PARENT_DIRECTORY})
+	find_package(XPDev REQUIRED)
+	include(${XPDev_CONFIG})
+endif()
+add_dependencies(ciolib XPDev)
 target_include_directories(ciolib PRIVATE "${XPDev_DIR}/../../../include/xpdev")
 target_compile_definitions(ciolib PRIVATE $<TARGET_PROPERTY:xpdev,INTERFACE_COMPILE_DEFINITIONS>)
 target_include_directories(ciolib PRIVATE $<TARGET_PROPERTY:xpdev,INTERFACE_INCLUDE_DIRECTORIES>)
@@ -85,7 +85,6 @@ set(INSTALL_HEADERS
 )
 
 export(PACKAGE CIOLib)
-export(TARGETS ciolib FILE CIOLibConfig.cmake)
 
 install(TARGETS ciolib DESTINATION lib EXPORT CIOLibConfig)
 install(FILES ${INSTALL_HEADERS} DESTINATION include)