NextUI/makefile.toolchain at main · LoveRetro/NextUI · GitHub

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# there is no reason to use this makefile manually

.PHONY: build clean _runtime_check

ifeq (,$(PLATFORM))
$(error please specify PLATFORM, eg. make PLATFORM=trimui)
endif

HOST_WORKSPACE=$(shell pwd)/workspace
GUEST_WORKSPACE=/root/workspace

TOOLCHAIN_NAME=$(PLATFORM)

GIT_IF_NECESSARY=toolchains/$(TOOLCHAIN_NAME)-toolchain
INIT_IF_NECESSARY=toolchains/$(TOOLCHAIN_NAME)-toolchain/.build
IMAGE_NAME=ghcr.io/loveretro/$(TOOLCHAIN_NAME)-toolchain:latest

CONTAINER_RUNTIME ?= $(shell command -v docker 2>/dev/null || command -v podman 2>/dev/null)
ifeq (,$(CONTAINER_RUNTIME))
$(error Neither docker nor podman found in PATH)
endif

# Extra flags injected before the workspace bind mount. On SELinux-enforcing
# hosts (eg. Fedora Toolbox) set this to "--security-opt label=disable" so the
# container can read the mounted workspace.
CONTAINER_MOUNT_OPTS ?=

RUNTIME_MARKER := $(HOST_WORKSPACE)/.container_runtime
LAST_RUNTIME := $(shell cat $(RUNTIME_MARKER) 2>/dev/null)
CURRENT_RUNTIME := $(notdir $(CONTAINER_RUNTIME))

all: $(INIT_IF_NECESSARY)
	$(CONTAINER_RUNTIME) run -it --rm $(CONTAINER_MOUNT_OPTS) \
		-v $(HOST_WORKSPACE):$(GUEST_WORKSPACE) $(IMAGE_NAME) /bin/bash

$(INIT_IF_NECESSARY): $(GIT_IF_NECESSARY)
	cd toolchains/$(TOOLCHAIN_NAME)-toolchain && make .build

$(GIT_IF_NECESSARY):
	mkdir -p toolchains
	git clone https://github.com/LoveRetro/$(TOOLCHAIN_NAME)-toolchain/ toolchains/$(TOOLCHAIN_NAME)-toolchain
	$(CONTAINER_RUNTIME) pull $(IMAGE_NAME) && touch toolchains/$(TOOLCHAIN_NAME)-toolchain/.build

clean:
	cd toolchains/$(TOOLCHAIN_NAME)-toolchain && make clean

_runtime_check:
	@if [ -n "$(LAST_RUNTIME)" ] && [ "$(LAST_RUNTIME)" != "$(CURRENT_RUNTIME)" ]; then \
		echo "Container runtime changed ($(LAST_RUNTIME) -> $(CURRENT_RUNTIME)), cleaning workspace build artifacts..."; \
		PREV=$$(command -v $(LAST_RUNTIME) 2>/dev/null); \
		if [ -n "$$PREV" ]; then \
			$$PREV run --rm $(CONTAINER_MOUNT_OPTS) -v $(HOST_WORKSPACE):$(GUEST_WORKSPACE) $(IMAGE_NAME) /bin/bash -c \
				'find $(GUEST_WORKSPACE) -depth -user root -delete 2>/dev/null; true'; \
		else \
			echo "Error: previous runtime $(LAST_RUNTIME) not available to clean root-owned artifacts."; \
			echo "Run: sudo rm -rf $(HOST_WORKSPACE)/*/build $(HOST_WORKSPACE)/$(PLATFORM)/other"; \
			exit 1; \
		fi; \
	fi

# The platform reaches the guest build through the environment only, never as a
# `make PLATFORM=...` argument. A command-line variable lands in MAKEOVERRIDES and
# overrides same-named assignments in *every* recursive make, including each core's
# own `PLATFORM = libretro` (picodrive, pcsx_rearmed) — those then build without
# their libretro frontend and link to an entry-point-less stub. Environment values
# lose to a makefile assignment, which is what workspace/makefile expects.

build: $(INIT_IF_NECESSARY) _runtime_check
	$(CONTAINER_RUNTIME) run --rm $(CONTAINER_MOUNT_OPTS) -v $(HOST_WORKSPACE):$(GUEST_WORKSPACE) -e COMPILE_CORES=$(COMPILE_CORES) -e PLATFORM=$(PLATFORM) -e UNION_PLATFORM=$(PLATFORM) $(IMAGE_NAME) /bin/bash -c '. ~/.bashrc && export PLATFORM=$(PLATFORM) UNION_PLATFORM=$(PLATFORM) && cd /root/workspace && make'
	@echo "$(CURRENT_RUNTIME)" > $(RUNTIME_MARKER)

build-cores: $(INIT_IF_NECESSARY) _runtime_check
	$(CONTAINER_RUNTIME) run --rm $(CONTAINER_MOUNT_OPTS) -v $(HOST_WORKSPACE):$(GUEST_WORKSPACE) -e COMPILE_CORES=$(COMPILE_CORES) -e PLATFORM=$(PLATFORM) -e UNION_PLATFORM=$(PLATFORM) $(IMAGE_NAME) /bin/bash -c '. ~/.bashrc && export PLATFORM=$(PLATFORM) UNION_PLATFORM=$(PLATFORM) && cd /root/workspace && make cores'
	@echo "$(CURRENT_RUNTIME)" > $(RUNTIME_MARKER)

build-core: $(INIT_IF_NECESSARY) _runtime_check
ifndef CORE
	$(error CORE is not set)
endif
	$(CONTAINER_RUNTIME) run --rm $(CONTAINER_MOUNT_OPTS) -v $(HOST_WORKSPACE):$(GUEST_WORKSPACE) -e COMPILE_CORES=$(COMPILE_CORES) -e CORE=$(CORE) -e PLATFORM=$(PLATFORM) -e UNION_PLATFORM=$(PLATFORM) $(IMAGE_NAME) /bin/bash -c '. ~/.bashrc && export PLATFORM=$(PLATFORM) UNION_PLATFORM=$(PLATFORM) && cd /root/workspace && make core'
	@echo "$(CURRENT_RUNTIME)" > $(RUNTIME_MARKER)