use target from variable

CMakeLists.txt

@@ -499,9 +499,9 @@ if(APPLE_IOS)
 	add_subdirectory(ios)
 endif()
 
+set(VCMI_LIB_TARGET vcmi)
 include(VCMI_lib)
 add_subdirectory(lib)
-set(VCMI_LIB_TARGET vcmi)
 if(ENABLE_SINGLE_APP_BUILD)
 	add_subdirectory(lib_server)
 endif()

lib/CMakeLists.txt

@@ -1,4 +1,4 @@
-add_main_lib(vcmi SHARED)
+add_main_lib(${VCMI_LIB_TARGET} SHARED)
 if(ENABLE_SINGLE_APP_BUILD)
-	target_compile_definitions(vcmi PUBLIC VCMI_LIB_NAMESPACE=LIB_CLIENT)
+	target_compile_definitions(${VCMI_LIB_TARGET} PUBLIC VCMI_LIB_NAMESPACE=LIB_CLIENT)
 endif()