CMake: Move vendor directory to the project root

.gitmodules

@@ -1,21 +1,21 @@
 [submodule "inferno/vendor/glfw"]
-	path = inferno/vendor/glfw
+	path = vendor/glfw
 	url = https://github.com/glfw/glfw
 [submodule "inferno/vendor/glm"]
-	path = inferno/vendor/glm
+	path = vendor/glm
 	url = https://github.com/g-truc/glm
 [submodule "inferno/vendor/json"]
-	path = inferno/vendor/json
+	path = vendor/json
 	url = https://github.com/nlohmann/json
 [submodule "inferno/vendor/entt"]
-	path = inferno/vendor/entt
+	path = vendor/entt
 	url = https://github.com/skypjack/entt
 [submodule "inferno/vendor/lua/lua"]
-	path = inferno/vendor/lua/lua
+	path = vendor/lua/lua
 	url = https://github.com/lua/lua
 [submodule "inferno/vendor/sol2"]
-	path = inferno/vendor/sol2
+	path = vendor/sol2
 	url = https://github.com/ThePhD/sol2
 [submodule "inferno/vendor/stb/stb"]
-	path = inferno/vendor/stb/stb
+	path = vendor/stb/stb
 	url = https://github.com/nothings/stb

CMakeLists.txt

@@ -54,6 +54,12 @@ endif()
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
+# ------------------------------------------
+# Engine dependencies target
+
+# Add engine target to project
+add_subdirectory("${CMAKE_SOURCE_DIR}/vendor")
+
 # ------------------------------------------
 # Engine target
 

inferno/CMakeLists.txt

@@ -1,32 +1,17 @@
-# GLFW options
-set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE)
-set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE)
-set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
-
-# Add GLFW target to project
-add_subdirectory(vendor/glfw)
-
-# Define engine source files
-file(GLOB_RECURSE GLAD "vendor/glad/*.c")
-file(GLOB LUA "vendor/lua/lua/*.c")
-list(REMOVE_ITEM LUA "${CMAKE_CURRENT_SOURCE_DIR}/vendor/lua/lua/onelua.c") # Do not compile single file variant
-list(REMOVE_ITEM LUA "${CMAKE_CURRENT_SOURCE_DIR}/vendor/lua/lua/ltests.c") # Do not compile internal debugging
-list(REMOVE_ITEM LUA "${CMAKE_CURRENT_SOURCE_DIR}/vendor/lua/lua/lua.c")    # Do not compile interpreter
 file(GLOB_RECURSE ENGINE_SOURCES "src/*.cpp")
-set(ENGINE_SOURCES ${GLAD} ${LUA} ${ENGINE_SOURCES})
 
 add_library(${ENGINE} ${ENGINE_SOURCES})
 target_include_directories(${ENGINE} PRIVATE
 	"src"
-	"vendor/entt/src"
-	"vendor/glad/include"
-	"vendor/glfw/include"
-	"vendor/glm"
-	"vendor/json/include"
-	"vendor/lua"
-	"vendor/sol2/include"
-	"vendor/stb")
-target_link_libraries(${ENGINE} glfw)
+	"${CMAKE_SOURCE_DIR}/vendor/entt/src"
+	"${CMAKE_SOURCE_DIR}/vendor/glad/include"
+	"${CMAKE_SOURCE_DIR}/vendor/glfw/include"
+	"${CMAKE_SOURCE_DIR}/vendor/glm"
+	"${CMAKE_SOURCE_DIR}/vendor/json/include"
+	"${CMAKE_SOURCE_DIR}/vendor/lua"
+	"${CMAKE_SOURCE_DIR}/vendor/sol2/include"
+	"${CMAKE_SOURCE_DIR}/vendor/stb")
+target_link_libraries(${ENGINE} ${ENGINE}-dependencies)
 
 # ------------------------------------------
 

vendor/CMakeLists.txt

@@ -0,0 +1,21 @@
+# GLFW options
+set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE)
+set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE)
+set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
+
+# Add GLFW target to project
+add_subdirectory(glfw)
+
+# Define engine source files
+file(GLOB_RECURSE GLAD "glad/*.c")
+file(GLOB LUA "lua/lua/*.c")
+list(REMOVE_ITEM LUA "${CMAKE_CURRENT_SOURCE_DIR}/lua/lua/onelua.c") # Do not compile single file variant
+list(REMOVE_ITEM LUA "${CMAKE_CURRENT_SOURCE_DIR}/lua/lua/ltests.c") # Do not compile internal debugging
+list(REMOVE_ITEM LUA "${CMAKE_CURRENT_SOURCE_DIR}/lua/lua/lua.c")    # Do not compile interpreter
+set(ENGINE_SOURCES ${GLAD} ${LUA})
+
+add_library(${ENGINE}-dependencies ${ENGINE_SOURCES})
+target_include_directories(${ENGINE}-dependencies PRIVATE
+	"glad/include"
+	"lua")
+target_link_libraries(${ENGINE}-dependencies glfw)