webui/Makefile

# WebUI Library

# == 1. VARIABLES =============================================================

MAKEFILE_DIR  := $(shell git rev-parse --show-toplevel)
BUILD_DIR  := $(MAKEFILE_DIR)/dist

# ARGS
# Set a compiler when running on Linux via `make CC=gcc` / `make CC=clang`
CC = gcc
# Allow to add arch-target for macOS CI cross compilation
ARCH_TARGET ?=

# BUILD FLAGS
CIVETWEB_BUILD_FLAGS := -o civetweb.o -I"$(MAKEFILE_DIR)/include/" -c "$(MAKEFILE_DIR)/src/civetweb/civetweb.c"
CIVETWEB_DEFINE_FLAGS = -DNDEBUG -DNO_CACHING -DNO_CGI -DNO_SSL -DUSE_WEBSOCKET
WEBUI_BUILD_FLAGS := -o webui.o -I"$(MAKEFILE_DIR)/include/" -c "$(MAKEFILE_DIR)/src/webui.c"

# OUTPUT FILES
# The static output is the same for all platforms
# The dynamic output is platform dependent
LIB_STATIC_OUT := libwebui-2-static.a

# Platform defaults and dynamic library outputs
ifeq ($(OS),Windows_NT)
	# Windows
	SHELL := CMD
	PLATFORM := windows
	LIB_DYN_OUT := webui-2.dll
	LWS2_OPT := -lws2_32
	CIVETWEB_DEFINE_FLAGS += -DMUST_IMPLEMENT_CLOCK_GETTIME
else ifeq ($(shell uname),Darwin)
	# MacOS
	PLATFORM := macos
	CC = clang
	LIB_DYN_OUT := webui-2.dylib
else
	# Linux
	PLATFORM := linux
	LIB_DYN_OUT := webui-2.so
	ifneq ($(filter $(CC),gcc clang aarch64-linux-gnu-gcc arm-linux-gnueabihf-gcc),$(CC))
		$(error Invalid compiler specified: `$(CC)`)
	else ifeq ($(CC),clang)
		LLVM_OPT := llvm-
	endif
endif
# macOS can set `ARCH_TARGET=arm64` - intented for CI cross-compilation.
ifneq ($(ARCH_TARGET),)
	ifneq ($(PLATFORM),macos)
		$(error ARCH_TARGET is only available on macOS)
	else ifeq ($(ARCH_TARGET),arm64)
		TARGET := -target arm64-apple-darwin 
	endif
endif

# == 2.TARGETS ================================================================

all: release

debug: --debug

release: --release

clean: --clean-$(PLATFORM)

# == 2.1 INTERNAL TARGETS =====================================================

--debug:
# Create build directory
ifeq ($(PLATFORM),windows)
	@mkdir "$(BUILD_DIR)/debug" >nul 2>&1 ||:
else
	@mkdir -p "$(BUILD_DIR)/debug"
endif
#	Static with Debug info
	@cd "$(BUILD_DIR)/debug" \
	&& echo "Build WebUI library ($(CC) $(TARGET)debug static)..." \
	&& $(CC) $(TARGET) $(CIVETWEB_BUILD_FLAGS) $(CIVETWEB_DEFINE_FLAGS) -g \
	&& $(CC) $(TARGET) $(WEBUI_BUILD_FLAGS) -g -DWEBUI_LOG \
	&& $(LLVM_OPT)ar rc $(LIB_STATIC_OUT) webui.o civetweb.o \
	&& $(LLVM_OPT)ranlib $(LIB_STATIC_OUT)
#	Dynamic with Debug info
	@cd "$(BUILD_DIR)/debug" \
	&& echo "Build WebUI library ($(CC) $(TARGET)debug dynamic)..." \
	&& $(CC) $(TARGET) $(CIVETWEB_BUILD_FLAGS) $(CIVETWEB_DEFINE_FLAGS) -g -fPIC \
	&& $(CC) $(TARGET) $(WEBUI_BUILD_FLAGS) -g -fPIC -DWEBUI_LOG \
	&& $(CC) $(TARGET) -shared -o $(LIB_DYN_OUT) webui.o civetweb.o -g $(LWS2_OPT)
ifeq ($(PLATFORM),windows)
	@cd "$(BUILD_DIR)/debug" && del *.o >nul 2>&1
else
	@rm -f $(BUILD_DIR)/debug/*.o
endif
	@echo "Done."

--release:
# Create build directory
ifeq ($(PLATFORM),windows)
	@mkdir "$(BUILD_DIR)" >nul 2>&1 ||:
else
	@mkdir -p "$(BUILD_DIR)"
endif
#	Static Release
	@cd "$(BUILD_DIR)" \
	&& echo "Build WebUI library ($(CC) $(TARGET)release static)..." \
	&& $(CC) $(TARGET) $(CIVETWEB_BUILD_FLAGS) $(CIVETWEB_DEFINE_FLAGS) -Os \
	&& $(CC) $(TARGET) $(WEBUI_BUILD_FLAGS) -Os \
	&& $(LLVM_OPT)ar rc $(LIB_STATIC_OUT) webui.o civetweb.o \
	&& $(LLVM_OPT)ranlib $(LIB_STATIC_OUT)
#	Dynamic Release
	@cd "$(BUILD_DIR)" \
	&& echo "Build WebUI library ($(CC) $(TARGET)release dynamic)..." \
	&& $(CC) $(TARGET) $(CIVETWEB_BUILD_FLAGS) $(CIVETWEB_DEFINE_FLAGS) -Os -fPIC \
	&& $(CC) $(TARGET) $(WEBUI_BUILD_FLAGS) -O3 -fPIC \
	&& $(CC) $(TARGET) -shared -o $(LIB_DYN_OUT) webui.o civetweb.o $(LWS2_OPT)
#	Clean
ifeq ($(PLATFORM),windows)
	@strip --strip-unneeded $(BUILD_DIR)/$(LIB_DYN_OUT)
	@cd "$(BUILD_DIR)" && del *.o >nul 2>&1
else
	@rm -f $(BUILD_DIR)/*.o
endif
	@echo "Done."

# PLATFROM CLEAN TARGETS

--clean-linux: --clean-unix

--clean-macos: --clean-unix

--clean-unix:
	@- cd "$(BUILD_DIR)" \
	&& rm -f *.o \
	&& rm -f *.so \
	&& rm -f *.dylib \
	&& rm -f *.a

--clean-windows:
	@- cd "$(BUILD_DIR)" \
	&& del *.a >nul 2>&1 \
	&& del *.o >nul 2>&1 \
	&& del *.dll >nul 2>&1 \
	&& del *.obj >nul 2>&1 \
	&& del *.ilk >nul 2>&1 \
	&& del *.pdb >nul 2>&1 \
	&& del *.lib >nul 2>&1 \
	&& del *.exp >nul 2>&1