1 files changed, 59 insertions, 0 deletions
diff --git a/util/crossgcc/Makefile.mk b/util/crossgcc/Makefile.mk
new file mode 100644
index 000000000000..8a4f3c53a2d2
--- /dev/null
+++ b/util/crossgcc/Makefile.mk
@@ -0,0 +1,59 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+TOOLCHAIN_ARCHES := i386 x64 arm aarch64 riscv ppc64 nds32le
+
+help_toolchain help::
+	@echo
+	@echo  '*** Toolchain targets ***'
+	@echo  '  crossgcc        - Build coreboot cross-compilers for all platforms'
+	@echo  '  crossgcc-clean  - Remove all built coreboot cross-compilers'
+	@echo  '  iasl            - Build coreboot IASL compiler (built by all cross targets)'
+	@echo  '  clang           - Build coreboot clang compiler'
+	@echo  '  nasm            - Build coreboot nasm'
+	@echo  '  test-toolchain  - Reports if toolchain components are out of date'
+	@echo  '  crossgcc-ARCH   - Build cross-compiler for specific architecture'
+	@echo  '  ARCH can be "$(subst $(spc),"$(comma) ",$(TOOLCHAIN_ARCHES))"'
+	@echo  '  Use "make [target] CPUS=#" to build toolchain using multiple cores'
+	@echo  '  Use "make [target] DEST=some/path" to install toolchain there'
+	@echo  '  Use "make [target] BUILDGCC_OPTIONS="-m" to get packages from coreboot mirror"'
+	@echo
+
+# For the toolchain builds, use CPUS=x to use multiple processors to build
+# use BUILDGCC_OPTIONS= to set any crossgcc command line options
+# Example: BUILDGCC_OPTIONS='-t' will keep temporary files after build
+crossgcc: clean-for-update
+	$(MAKE) -C util/crossgcc all SKIP_CLANG=1
+
+.PHONY: crossgcc crossgcc-i386 crossgcc-x64 crossgcc-arm crossgcc-aarch64 \
+	crossgcc-riscv crossgcc-power8 crossgcc-clean iasl \
+	clang jenkins-build-toolchain nasm
+
+$(foreach arch,$(TOOLCHAIN_ARCHES),crossgcc-$(arch)): clean-for-update
+	$(MAKE) -C util/crossgcc $(patsubst crossgcc-%,build-%,$@) build_iasl
+
+iasl: clean-for-update
+	$(MAKE) -C util/crossgcc build_iasl
+
+clang: clean-for-update
+	$(MAKE) -C util/crossgcc build_clang
+
+nasm: clean-for-update
+	$(MAKE) -C util/crossgcc build_nasm
+
+crossgcc-clean: clean-for-update
+	$(MAKE) -C util/crossgcc clean
+
+test-toolchain:
+ifeq ($(COMPILER_OUT_OF_DATE),1)
+	echo "The coreboot toolchain is not the current version."
+	$(error )
+else
+	echo "The coreboot toolchain is the current version."
+endif # ifeq ($(COMPILER_OUT_OF_DATE),1)
+
+# This target controls what the jenkins builder tests
+jenkins-build-toolchain: BUILDGCC_OPTIONS ?= -y --nocolor
+jenkins-build-toolchain:
+	$(MAKE) crossgcc clang KEEP_SOURCES=1 BUILDGCC_OPTIONS='$(BUILDGCC_OPTIONS)'
+	PATH=$(if $(DEST),$(DEST)/bin,$(top)/util/crossgcc/xgcc/bin):$$PATH; $(MAKE) what-jenkins-does
+	PATH=$(if $(DEST),$(DEST)/bin,$(top)/util/crossgcc/xgcc/bin):$$PATH; $(MAKE) test-toolchain