build: support building with makefile

Makefile

@@ -0,0 +1,75 @@
+COSMOS := /opt/cosmos
+CC = $(COSMOS)/bin/cosmocc
+CXX = $(COSMOS)/bin/cosmoc++
+
+CPPFLAGS := -I deps/sokol -I deps/cimgui -MMD -MP
+CFLAGS := -mcosmo -mtiny -Wall -O2
+CXXFLAGS := $(CFLAGS)
+LINUX_CPPFLAGS := -Ishims/linux
+WIN32_CPPFLAGS := -Ishims/win32 -I$(COSMOS)/include/libc/nt
+
+BUILD_DIR := .build
+BIN_DIR := bin
+
+.PHONY: all clean
+
+all: bin/cosmo-sokol
+
+SRCS := \
+	shims/sokol/sokol_windows.c \
+	shims/sokol/sokol_linux.c   \
+	shims/sokol/sokol_shared.c  \
+	shims/sokol/sokol_cosmo.c   \
+
+SRCS += \
+	deps/cimgui/cimgui.cpp              \
+	deps/cimgui/imgui/imgui.cpp         \
+	deps/cimgui/imgui/imgui_demo.cpp    \
+	deps/cimgui/imgui/imgui_draw.cpp    \
+	deps/cimgui/imgui/imgui_tables.cpp  \
+	deps/cimgui/imgui/imgui_widgets.cpp \
+
+SRCS += \
+	shims/linux/gl.c \
+	shims/linux/x11.c
+
+SRCS += \
+	nvapi/nvapi.c \
+	win32_tweaks.c
+
+SRCS += main.c
+
+OBJS := $(patsubst %.c,$(BUILD_DIR)/%.o,$(patsubst %.cpp,$(BUILD_DIR)/%.o,$(SRCS)))
+
+DEPS := $(OBJS:.o=.d)
+
+$(BUILD_DIR)/%.o: %.c
+	mkdir -p $(dir $@)
+	$(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
+
+$(BUILD_DIR)/%.o: %.cpp
+	mkdir -p $(dir $@)
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $< -o $@
+
+$(BUILD_DIR)/shims/sokol/sokol_windows.o: CPPFLAGS += $(WIN32_CPPFLAGS)
+$(BUILD_DIR)/shims/sokol/sokol_linux.o: CPPFLAGS += $(LINUX_CPPFLAGS)
+$(BUILD_DIR)/shims/linux/%.o: CPPFLAGS += $(LINUX_CPPFLAGS)
+$(BUILD_DIR)/nvapi/%.o: CPPFLAGS += $(WIN32_CPPFLAGS)
+$(BUILD_DIR)/win32_%.o: CPPFLAGS += $(WIN32_CPPFLAGS)
+$(BUILD_DIR)/main.o: CPPFLAGS += -Invapi
+
+$(BUILD_DIR)/shims/linux/gl.c: shims/linux/gen-gl
+	cd shims/linux && ./gen-gl
+
+$(BUILD_DIR)/shims/linux/x11.c: shims/linux/gen-x11
+	cd shims/linux && ./gen-x11
+
+
+$(BIN_DIR)/cosmo-sokol: $(OBJS)
+	mkdir -p $(dir $@)
+	$(CXX) $(OBJS) -o $@ $(LDFLAGS)
+
+clean:
+	rm -rf $(BUILD_DIR) $(BIN_DIR)
+
+-include $(DEPS)