Added new menuconfig target to build system (#2)

GNUmakefile

@@ -22,6 +22,7 @@
 ##################
 # === MACROS === #
 ##################
+MCONF_NAME       = mconf
 LAUNCHER_NAME    = sk_launcher
 GAME_NAME        = sparky
 TEST_ENGINE_NAME = carbon
@@ -65,6 +66,7 @@ CHECKDEPS_TYPES = uint8_t int8_t uint16_t int16_t uint32_t int32_t uint64_t int6
 HDR_DIR               = include
 SRC_DIR               = src
 TEST_DIR              = test
+TOOLS_DIR             = tools
 BUILD_ROOT_DIR        = build
 BUILD_DEBUG_DIR       = $(BUILD_ROOT_DIR)/debug
 BUILD_RELEASE_DIR     = $(BUILD_ROOT_DIR)/release
@@ -77,6 +79,7 @@ else
   BUILD_DIR        = $(BUILD_RELEASE_DIR)
 endif
 TEST_BUILD_DIR   = $(BUILD_DIR)/$(TEST_DIR)
+MCONF_BUILD_DIR  = $(BUILD_DIR)/$(MCONF_NAME)
 VENDOR_DIR       = vendor
 RAYLIB_SRC_DIR   = $(VENDOR_DIR)/raylib/$(SRC_DIR)
 RAYLIB_BUILD_DIR = $(BUILD_DIR)/raylib
@@ -95,6 +98,8 @@ TEST_SRCS      := $(wildcard $(TEST_DIR)/$(SRC_DIR)/*.c)
 TEST_OBJS      := $(patsubst $(TEST_DIR)/$(SRC_DIR)/%.c, $(TEST_BUILD_DIR)/%.o, $(TEST_SRCS))
 TEST_DEPS_OBJS := $(filter-out $(BUILD_DIR)/$(GAME_NAME).o, $(OBJS))
 EDITOR_SRCS    := $(wildcard $(SRC_DIR)/$(EDITOR_NAME)*.rs)
+MCONF_SRCS     := $(wildcard $(TOOLS_DIR)/$(MCONF_NAME)/$(SRC_DIR)/*.c)
+MCONF_OBJS     := $(patsubst $(TOOLS_DIR)/$(MCONF_NAME)/$(SRC_DIR)/%.c, $(MCONF_BUILD_DIR)/%.o, $(MCONF_SRCS))
 
 # Build flags
 MAKEFLAGS_JOBS := $(patsubst -j%, %, $(filter -j%, $(MAKEFLAGS)))
@@ -165,6 +170,10 @@ define TEST_CPPFLAGS
   -I $(HDR_DIR)                              \
   -I $(TEST_DIR)/$(HDR_DIR)
 endef
+define MCONF_CPPFLAGS
+  $(DISABLE_ASSERTS_OPTS) \
+  -I $(TOOLS_DIR)/$(MCONF_NAME)/$(HDR_DIR)
+endef
 define RAYLIB_CFLAGS
   -std=gnu99                    \
   $(HIDE_WARNS_OPTS)            \
@@ -201,6 +210,16 @@ define TEST_CFLAGS
   $(RELEASE_OPTS)              \
   $(MACOS_SPECIFIC_CFLAGS_OPTS)
 endef
+define MCONF_CFLAGS
+  -std=c99          \
+  -Wall             \
+  -Wextra           \
+  -pedantic         \
+  -Werror           \
+  $(DEBUG_SYM_OPTS) \
+  $(RELEASE_OPTS)   \
+  $(MACOS_SPECIFIC_CFLAGS_OPTS)
+endef
 define LDFLAGS
   $(BUILDID_OPTS)                \
   $(STRIP_OPTS)                  \
@@ -227,6 +246,12 @@ define TEST_LDFLAGS
   -llua              \
   -lm
 endef
+define MCONF_LDFLAGS
+  $(BUILDID_OPTS) \
+  $(STRIP_OPTS)   \
+  $(RELEASE_OPTS) \
+  -ldialog
+endef
 
 # Build output
 LAUNCHER_OUT = $(EXTRAS_BUILD_DIR)/lib$(LAUNCHER_NAME).a
@@ -239,13 +264,14 @@ else
 endif
 TEST_OUT   = $(TEST_BUILD_DIR)/$(TEST_ENGINE_NAME)
 EDITOR_OUT = $(EXTRAS_BUILD_DIR)/$(EDITOR_NAME)
+MCONF_OUT  = $(MCONF_BUILD_DIR)/$(MCONF_NAME)
 
 
 ###################
 # === TARGETS === #
 ###################
 .WAIT:
-.PHONY: all checkdeps game check editor clean mrproper version help
+.PHONY: all checkdeps menuconfig game check editor clean mrproper version help
 
 all: checkdeps .WAIT $(BUILD_DIR) $(RAYLIB_BUILD_DIR) $(LUA_BUILD_DIR) game
 	@:
@@ -292,6 +318,22 @@ $(TEST_BUILD_DIR):
 	@echo "  $(PPO_MKDIR)   $@"
 	$(Q)mkdir -p $@
 
+$(MCONF_BUILD_DIR):
+	@echo "  $(PPO_MKDIR)   $@"
+	$(Q)mkdir -p $@
+
+menuconfig: checkdeps .WAIT $(BUILD_DIR) $(MCONF_BUILD_DIR) $(MCONF_OUT)
+	@printf "INFO: \033[1;35m$(MCONF_OUT) is ready  ($(FULL_VERSION))\033[0m\n"
+	$(Q)./$(MCONF_OUT)
+
+$(MCONF_OUT): $(MCONF_OBJS)
+	@echo "  $(PPO_HOSTLD)  $@"
+	$(Q)$(CC) $^ $(MCONF_LDFLAGS) -o $@
+
+$(MCONF_BUILD_DIR)/%.o: $(TOOLS_DIR)/$(MCONF_NAME)/$(SRC_DIR)/%.c
+	@echo "  $(PPO_HOSTCC)  $@"
+	$(Q)$(CC) $(MCONF_CPPFLAGS) $(MCONF_CFLAGS) -c -MD $< -o $@
+
 game: $(OUT)
 	@printf "INFO: \033[1;35m$(OUT) is ready  ($(FULL_VERSION))\033[0m\n"
 
@@ -355,6 +397,7 @@ $(EDITOR_OUT): $(EDITOR_SRCS)
 -include $(BUILD_DIR)/*.d
 -include $(LUA_BUILD_DIR)/*.d
 -include $(TEST_BUILD_DIR)/*.d
+-include $(MCONF_BUILD_DIR)/*.d
 -include $(RAYLIB_BUILD_DIR)/*.d
 -include $(EXTRAS_BUILD_DIR)/*.d
 
@@ -384,15 +427,16 @@ version:
 help:
 	@echo "Targets"
 	@echo "======="
-	@echo "  all       :: Build all targets marked with [*]"
-	@echo "* checkdeps :: Check dependencies for build process"
-	@echo "* game      :: Build the bare game"
-	@echo "  check     :: Build and run the test engine"
-	@echo "  editor    :: Build the editor"
-	@echo "  clean     :: Remove the 'build' directory"
-	@echo "  mrproper  :: Remove and cleans everything"
-	@echo "  version   :: Show the current version string"
-	@echo "  help      :: Show this help and usage panel"
+	@echo "  all        :: Build all targets marked with [*]"
+	@echo "* checkdeps  :: Check dependencies for build process"
+	@echo "  menuconfig :: Edit build options with ncurses menu"
+	@echo "* game       :: Build the bare game"
+	@echo "  check      :: Build and run the test engine"
+	@echo "  editor     :: Build the editor"
+	@echo "  clean      :: Remove the 'build' directory"
+	@echo "  mrproper   :: Remove and cleans everything"
+	@echo "  version    :: Show the current version string"
+	@echo "  help       :: Show this help and usage panel"
 	@echo
 	@echo "Execute 'make' or 'make all' to build all targets marked with [*]"
 	@echo "For further info see the ./README.org file"