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chore: support cross compilation

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This commit is contained in:
mzz2017 2024-06-25 02:14:54 +08:00
parent 2b9a4052f7
commit c2b5acb423
5 changed files with 44 additions and 10 deletions
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2
.github/workflows/kernel-test.yml vendored
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@ -28,7 +28,7 @@ jobs:
- name: Generate and build
run: |
git submodule update --init
make GOFLAGS="-buildvcs=false" CC=clang
make GOFLAGS="-buildvcs=false"
- name: Store executable
uses: actions/upload-artifact@v4

15
Makefile
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@ -25,7 +25,18 @@ else
STRIP_FLAG := -strip=$(STRIP_PATH)
endif
GOARCH ?= $(shell go env GOARCH)
ifndef CGO_ENABLED
CGO_ENABLED_NDEF := 1
CGO_ENABLED := $(shell go env CGO_ENABLED)
endif
ifndef CC
CC_NDEF := 1
CC := $(shell go env CC)
endif
ifndef GOARCH
GOARCH_NDEF := 1
GOARCH := $(shell go env GOARCH)
endif
# Do NOT remove the line below. This line is for CI.
#export GOMODCACHE=$(PWD)/go-mod
@ -54,7 +65,9 @@ dae: ebpf
$(info CGO_ENABLED=$(CGO_ENABLED))
$(info GO_LDFLAGS=$(GO_LDFLAGS))
$(info CC=$(CC))
$(info GOARCH=$(GOARCH))
go build -tags=$(shell cat $(BUILD_TAGS_FILE)) -o $(OUTPUT) $(GO_BUILD_ARGS) .
@$(STRIP) $(OUTPUT) || llvm-strip $(OUTPUT) || strip $(OUTPUT) || true
## End Dae Build
## Begin Git Submodules

23
cgo_enabled.mk
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@ -2,20 +2,33 @@
# SPDX-License-Identifier: AGPL-3.0-only
# Copyright (c) 2022-2024, daeuniverse Organization <dae@v2raya.org>
#
ifneq ($(KEEP_CGO_ENVS),1)
ifndef CGO_ENABLED
ifdef CGO_ENABLED_NDEF
export CGO_ENABLED := 0
endif
ifeq ($(CGO_ENABLED),0)
ifdef GOARCH_NDEF
ifeq ($(CC),cc)
ifneq ($(shell which musl-gcc),)
export CGO_ENABLED := 1
export CC := musl-gcc
GO_LDFLAGS += -linkmode external -extldflags=-static
$(info * Building dae with musl-gcc static linking instead of CGO_ENABLED=0. See https://github.com/daeuniverse/dae/issues/557)
else ifneq ($(shell which zig),)
export CC := zig cc -target $(shell . install/musl-targets.sh && echo $$GOARCH_$(GOARCH))
else
$(info ! CGO_ENABLED=0 is not recommended. Use static link instead. See https://github.com/daeuniverse/dae/issues/557)
$(info ! CGO_ENABLED=0 is not recommended. Please consider to install musl-gcc for static link instead. See https://github.com/daeuniverse/dae/issues/557)
endif
endif
else ifneq ($(shell which zig),)
export CC := zig cc -target $(shell . install/musl-targets.sh && echo $$GOARCH_$(GOARCH))
else
$(info ! CGO_ENABLED=0 is not recommended. See https://github.com/daeuniverse/dae/issues/557)
endif
endif
ifneq ($(CC),cc)
export CGO_ENABLED := 1
GO_LDFLAGS += -linkmode external -extldflags=-static
$(info * Building dae with "$(CC)" static linking instead of CGO_ENABLED=0. See https://github.com/daeuniverse/dae/issues/557)
endif
else
export CGO_ENABLED := 0
endif

3
docs/en/user-guide/build-by-yourself.md
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@ -18,8 +18,7 @@ git clone https://github.com/daeuniverse/dae.git
cd dae
git submodule update --init
## Minimal dependency build
make GOFLAGS="-buildvcs=false" \
CC=clang
make GOFLAGS="-buildvcs=false" CC=clang KEEP_CGO_ENVS=1
## Normal build
#make

9
install/musl-targets.sh Normal file
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@ -0,0 +1,9 @@
GOARCH_386=i386-linux-musl
GOARCH_amd64=x86_64-linux-musl
GOARCH_arm=arm-linux-musleabi
GOARCH_arm64=aarch64-linux-musl
GOARCH_mips64le=mips64el-linux-musl
GOARCH_mips64=mips64-linux-musl
GOARCH_mipsle=mipsel-linux-musl
GOARCH_mips=mips-linux-musl
GOARCH_riscv64=riscv64-linux-musl