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Makefile: Add targets to add and remove symlinks 

When "make symlink" is run, it looks for symlink.txt files recursively
under site-local directory, and make symbolic links accordingly.

"make clean-symlink" removes the symbolic links made.

One application is for development of support for new processors and/or
new mainboards, where new directories are added, along with some common
code changes.

Change-Id: I3fa119675ecca1626d70375a61e8a71abec6a53b
Signed-off-by: Christian Walter <christian.walter@9elements.com>
Signed-off-by: Jonathan Zhang <jonzhang@meta.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65093
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
This commit is contained in:
Christian Walter 2022-07-01 11:12:25 +02:00 committed by Martin L Roth
parent ccbb98880b
commit a8c10c8298
1 changed files with 29 additions and 1 deletions
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30
Makefile
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@ -38,6 +38,11 @@ COREBOOT_EXPORTS += KCONFIG_DEPENDENCIES KCONFIG_SPLITCONFIG KCONFIG_TRISTATE
COREBOOT_EXPORTS += KCONFIG_NEGATIVES KCONFIG_STRICT
COREBOOT_EXPORTS += KCONFIG_AUTOADS KCONFIG_PACKAGE
# Make does not offer a recursive wildcard function, so here's one:
rwildcard=$(wildcard $1$2) $(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2))
SYMLINK_LIST = $(call rwildcard,site-local/,symlink.txt)
# directory containing the toplevel Makefile.inc
TOPLEVEL := .
@ -455,6 +460,29 @@ sphinx:
sphinx-lint:
$(MAKE) SPHINXOPTS=-W -C Documentation -f Makefile.sphinx html
symlink:
@echo "Creating Symbolic Links.."; \
for link in $(SYMLINK_LIST); do \
SYMLINK=`cat $$link`; \
REALPATH=`realpath $$link`; \
if [ -L "$$SYMLINK" ]; then \
continue; \
elif [ ! -e "$$SYMLINK" ]; then \
echo -e "\tLINK $$SYMLINK -> $$(dirname $$REALPATH)"; \
ln -s $$(dirname $$REALPATH) $$SYMLINK; \
else \
echo -e "\tFAILED: $$SYMLINK exists"; \
fi \
done
clean-symlink:
@echo "Deleting symbolic link";\
EXISTING_SYMLINKS=`find -L ./src -xtype l | grep -v 3rdparty`; \
for link in $$EXISTING_SYMLINKS; do \
echo -e "\tUNLINK $$link"; \
rm "$$link"; \
done
clean-for-update:
rm -rf $(obj) .xcompile
@ -482,4 +510,4 @@ distclean: clean clean-ctags clean-cscope distclean-payloads distclean-utils
rm -f abuild*.xml junit.xml* util/lint/junit.xml
.PHONY: $(PHONY) clean clean-for-update clean-cscope cscope distclean sphinx sphinx-lint
.PHONY: ctags-project cscope-project clean-ctags
.PHONY: ctags-project cscope-project clean-ctags symlink clean-symlink