Split bin2h to its own CMake file

Also added warnings to its part of the Makefile

CMakeLists.txt

@@ -263,17 +263,7 @@ elseif(NOT WIN32)
 endif()
 
 # Magic to convert resources to header files
-add_executable(bin2h "src/misc/bin2h.c")
-
-set_target_properties(bin2h PROPERTIES
-	C_STANDARD 90
-	C_STANDARD_REQUIRED ON
-	C_EXTENSIONS OFF
-)
-
-if(MSVC)
-	target_compile_definitions(bin2h PRIVATE _CRT_SECURE_NO_WARNINGS)	# Shut up those stupid warnings
-endif()
+add_subdirectory("bin2h")
 foreach(FILENAME IN LISTS RESOURCES)
 	set(IN_DIR "${CMAKE_CURRENT_SOURCE_DIR}/res")
 	set(OUT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/src/Resource")

Makefile

@@ -226,10 +226,10 @@ src/Resource/%.h: res/% obj/bin2h
 	@echo Converting $<
 	@obj/bin2h $< $@
 
-obj/bin2h: src/misc/bin2h.c
+obj/bin2h: bin2h/bin2h.c
 	@mkdir -p $(@D)
 	@echo Compiling $^
-	@$(CC) -O3 -s -std=c90 $^ -o $@
+	@$(CC) -O3 -s -std=c90 -Wall -Wextra -pedantic $^ -o $@
 
 include $(wildcard $(DEPENDENCIES))
 

bin2h/CMakeLists.txt

@@ -0,0 +1,31 @@
+cmake_minimum_required(VERSION 3.7.2)
+
+if((${CMAKE_VERSION} VERSION_EQUAL 3.9) OR (${CMAKE_VERSION} VERSION_GREATER 3.9))
+	cmake_policy(SET CMP0069 NEW)
+endif()
+
+project(bin2h LANGUAGES C)
+
+add_executable(bin2h "bin2h.c")
+
+set_target_properties(bin2h PROPERTIES
+	C_STANDARD 90
+	C_STANDARD_REQUIRED ON
+	C_EXTENSIONS OFF
+)
+
+# MSVC tweak
+if(MSVC)
+	target_compile_definitions(bin2h PRIVATE _CRT_SECURE_NO_WARNINGS)	# Shut up those stupid warnings
+endif()
+
+# Enable link-time optimisation if available
+if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
+	if((${CMAKE_VERSION} VERSION_EQUAL 3.9) OR (${CMAKE_VERSION} VERSION_GREATER 3.9))
+		include(CheckIPOSupported)
+		check_ipo_supported(RESULT result)
+		if(result)
+			set_target_properties(bin2h PROPERTIES INTERPROCEDURAL_OPTIMIZATION TRUE)
+		endif()
+	endif()
+endif()