Makefile

# finding host and default targets
ifeq ($(OS),Windows_NT)
HOST := windows
endif

ifeq ($(shell uname -s),Darwin)
HOST := macos
endif

ifeq ($(shell uname -s),Linux)
HOST := linux
endif

TARGET := $(HOST)

# programs / paths
CC := cc

ifeq ($(TARGET),web)
CC := emcc
endif

ifeq ($(TARGET),ios)
CC := xcrun -sdk iphoneos clang
endif

ifeq ($(TARGET),iossim)
CC := xcrun -sdk iphonesimulator clang
endif

ifeq ($(TARGET),windows)
CC := x86_64-w64-mingw32-gcc
endif

DEMO := hi
BIN_PATH := build/$(TARGET)
DEMO_PATH := demo

# flags
CFLAGS += -Wall
CFLAGS += -Werror
CFLAGS += -pedantic
CFLAGS += -std=c99
CFLAGS += -I.
CFLAGS += -Iext
CFLAGS += -Iext/lua/src
CFLAGS += -Wno-unused-function
CFLAGS += -Wno-unused-variable
CFLAGS += -Wno-unused-but-set-variable
CFLAGS += -Wno-gnu-label-as-value
CFLAGS += -Wno-incompatible-pointer-types-discards-qualifiers

ifdef DEBUG
CFLAGS += -O0 -g
else
CFLAGS += -O2
endif

ifeq ($(TARGET),macos)
CFLAGS += -ObjC
endif

ifeq ($(TARGET),ios)
CFLAGS += -ObjC
CFLAGS += -arch armv7
CFLAGS += -arch arm64
endif

ifeq ($(TARGET),iossim)
CFLAGS += -ObjC
endif

ifeq ($(TARGET),web)
CFLAGS += -s "ALLOW_MEMORY_GROWTH=1"
CFLAGS += -s "EXPORTED_RUNTIME_METHODS=['ccall', 'cwrap']"
endif

ifeq ($(TARGET),macos)
LDFLAGS += -framework Cocoa
LDFLAGS += -framework OpenGL
LDFLAGS += -framework Metal
LDFLAGS += -framework MetalKit
LDFLAGS += -framework AudioToolbox
endif

ifeq ($(TARGET),ios)
LDFLAGS += -framework Foundation
LDFLAGS += -framework UIKit
LDFLAGS += -framework CoreGraphics
LDFLAGS += -framework OpenGLES
LDFLAGS += -framework GLKit
LDFLAGS += -framework Metal
LDFLAGS += -framework MetalKit
LDFLAGS += -framework AudioToolbox
endif

ifeq ($(TARGET),iossim)
LDFLAGS += -framework Foundation
LDFLAGS += -framework UIKit
LDFLAGS += -framework CoreGraphics
LDFLAGS += -framework OpenGLES
LDFLAGS += -framework GLKit
LDFLAGS += -framework Metal
LDFLAGS += -framework MetalKit
LDFLAGS += -framework AudioToolbox
endif

ifeq ($(TARGET),windows)
LDFLAGS += -mwindows
LDFLAGS += -lole32
LDFLAGS += -lavrt
LDFLAGS += -lwinmm
endif

ifeq ($(TARGET),linux)
LDFLAGS += -lx11
LDFLAGS += -lGL
endif

ifeq ($(TARGET),web)
LDFLAGS += --preload-file demo/res@res
endif

ifndef DEBUG
LDFLAGS += -flto
endif

# files
DEMO_FILES := $(wildcard $(DEMO_PATH)/*.c)
DEMO_TARGETS := $(patsubst $(DEMO_PATH)/%.c, $(BIN_PATH)/%, $(DEMO_FILES))
PREFIX := /usr/local

LUA_PATH := ext/lua
LUA_LIB := lapi.c lcode.c lctype.c ldebug.c ldo.c ldump.c lfunc.c lgc.c llex.c lmem.c lobject.c lopcodes.c lparser.c lstate.c lstring.c ltable.c ltm.c lundump.c lvm.c lzio.c lauxlib.c lbaselib.c lcorolib.c ldblib.c liolib.c lmathlib.c loadlib.c loslib.c lstrlib.c ltablib.c lutf8lib.c linit.c
LUA_SRC := $(addprefix $(LUA_PATH)/src/, $(LUA_LIB))

.PHONY: run
run: $(BIN_PATH)/$(DEMO)
ifeq ($(TARGET),web)
	cd $(BIN_PATH); \
		python3 -m http.server 8000
else ifeq ($(TARGET),iossim)
	@if [ -z "$(SIMULATOR)" ]; then \
		echo "SIMULATOR not set"; \
		exit 1; \
	fi
	$(MAKE) bundle
	xcrun simctl boot $(SIMULATOR)
	xcrun simctl install booted $<.app
	open -a Simulator --args -CurrentDeviceUDID $(SIMULATOR)
	xcrun simctl launch --console-pty booted xyz.space55.$(DEMO)
else ifeq ($(TARGET),ios)
	$(MAKE) bundle
	ios-deploy --debug --bundle $<.app
else ifeq ($(TARGET),windows)
ifeq ($(HOST), windows)
	cd $(BIN_PATH); \
		$(DEMO).exe $(ARGS)
else
	cd $(BIN_PATH); \
		wine $(DEMO).exe $(ARGS)
endif
else
	cd $(BIN_PATH); \
		./$(DEMO) $(ARGS)
endif

.PHONY: debug
debug: $(BIN_PATH)/$(DEMO)
	lldb -- $< $(ARGS)

.PHONY: demo
demo: $(BIN_PATH)/$(DEMO)

.PHONY: demos
demos: $(DEMO_TARGETS)

.PHONY: bundle
bundle: $(BIN_PATH)/$(DEMO)
ifeq ($(TARGET),macos)
	mkdir -p $<.app/Contents/MacOS
	mkdir -p $<.app/Contents/Resources
	cp $< $<.app/Contents/MacOS
	cp -R $(DEMO_PATH)/res $<.app/Contents/Resources
	sed 's/{{name}}/$(DEMO)/' misc/macos.plist > $<.app/Contents/Info.plist
else ifeq ($(TARGET),iossim)
	mkdir -p $<.app
	cp $< $<.app/
	cp -r $(BIN_PATH)/res $<.app/
	sed 's/{{name}}/$(DEMO)/' misc/ios.plist > $<.app/Info.plist
else ifeq ($(TARGET),ios)
	mkdir -p $<.app
	cp $< $<.app/
	cp -r $(BIN_PATH)/res $<.app/
	sed 's/{{name}}/$(DEMO)/' misc/ios.plist > $<.app/Info.plist
	@if [ -z "$(PROVISION)" ] || [ -z "$(CODESIGN)" ]; then \
		echo "PROVISION and CODESIGN required"; \
		exit 1; \
	fi
	cp $(PROVISION) $<.app/embedded.mobileprovision
	codesign -s "$(CODESIGN)" $<.app
endif

$(BIN_PATH)/%: $(DEMO_PATH)/%.c *.h
	@mkdir -p $(BIN_PATH)
ifeq ($(TARGET),web)
	$(CC) $(CFLAGS) -o $@.js $< $(LDFLAGS)
	sed 's/{{name}}/$*/' misc/web.html > $(BIN_PATH)/index.html
else
	$(CC) $(CFLAGS) -o $@ $<  $(LDFLAGS)
endif
	rsync -a --delete $(DEMO_PATH)/res $(BIN_PATH)/

$(BIN_PATH)/dlua: $(LUA_SRC) d_lua.c *.h
	@mkdir -p $(BIN_PATH)
	$(CC) $(CFLAGS) $(LDFLAGS) $(LUA_SRC) d_lua.c -o $@

$(BIN_PATH)/dirty: dirty.c *.h
	@mkdir -p $(BIN_PATH)
	$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@

.PHONY: runlua
runlua: $(BIN_PATH)/dlua
	$< $(ARGS)

.PHONY: runscript
runscript: $(BIN_PATH)/dirty
	$< $(ARGS)

.PHONY: debugscript
debugscript: $(BIN_PATH)/dirty
	lldb -- $< $(ARGS)

.PHONY: install
install: $(BIN_PATH)/dirty
	install $< $(PREFIX)/bin/dirty

.PHONY: clean
clean:
	rm -rf build