Upgrade glad to glad2 w/ OpenGL 4.6 loader

CMakeLists.txt

@@ -219,7 +219,7 @@ ExternalProject_Add(glad
 		"-DCMAKE_C_FLAGS='${CMAKE_C_FLAGS}'"
 		"-DCMAKE_C_FLAGS_DEBUG='${CMAKE_C_FLAGS_DEBUG}'"
 		"-DCMAKE_C_FLAGS_RELEASE='${CMAKE_C_FLAGS_RELEASE}'"
-	BUILD_ALWAYS 0)
+	BUILD_ALWAYS 1)
 
 # Build cxxopts module
 ExternalProject_Add(cxxopts

modules/antkeeper-source

@@ -1 +1 @@
-Subproject commit d027b2daf669fc02eece47f3832d63ac18fce1cd
+Subproject commit d5bb5887cc1705a80042c1f9b3b11cb188e0c99c

modules/glad/CMakeLists.txt

@@ -2,7 +2,10 @@ cmake_minimum_required(VERSION 3.7)
 
 project(glad)
 
-add_library(${PROJECT_NAME} ${PROJECT_SOURCE_DIR}/glad.c)
+add_library(${PROJECT_NAME} ${PROJECT_SOURCE_DIR}/src/gl.c)
+
+target_include_directories(${PROJECT_NAME} PRIVATE
+	${PROJECT_SOURCE_DIR}/include)
 
 # Install library
 install(TARGETS ${PROJECT_NAME}
@@ -14,9 +17,12 @@ install(TARGETS ${PROJECT_NAME}
 # Install headers
 install(
 	FILES
-		${PROJECT_SOURCE_DIR}/glad.h
-		${PROJECT_SOURCE_DIR}/khrplatform.h
+		${PROJECT_SOURCE_DIR}/include/glad/gl.h
 	DESTINATION include/glad)
+install(
+	FILES
+		${PROJECT_SOURCE_DIR}/include/KHR/khrplatform.h
+	DESTINATION include/KHR)
 
 # Install CMake config file
 install(EXPORT ${PROJECT_NAME}-targets