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#
# \brief Checkout and patch L4Linux/L4android source code
# \author Stefan Kalkowski
# \date 2011-03-10
CONTRIB_DIR = contrib
VERBOSE ?= @
ECHO = @echo
TARGET ?= l4linux
PATCH-l4linux = patches/l4lx_genode.patch patches/icmp_align.patch
REV-l4linux = 23
REPO-l4linux = http://svn.tudos.org/repos/oc/l4linux/trunk
PATCH-l4android = patches/l4android_genode.patch
REV-l4android = 90ca43bd629452ffd38d85fe8c976f069b5bb3d9
REPO-l4android = git://git.l4android.org/kernel.git
#
# Utility to check if a tool is installed
#
check_tool = $(if $(shell which $(1)),,$(error Need to have '$(1)' installed.))
$(call check_tool,patch)
ifeq ($(TARGET), l4android)
$(call check_tool,git)
DIFF = git diff
UPDATE = cd $(REAL_CONTRIB_DIR)/l4android; git fetch; git reset --hard $(REV-l4android)
PATCH = patch -p1
else
$(call check_tool,svn)
DIFF = svn diff
UPDATE = svn up -r $(REV-l4linux) $(REAL_CONTRIB_DIR)/l4linux
PATCH = patch -p0
endif
# realpath is there to follow symlink; if contrib dir does not exists yet,
# create new directory
REAL_CONTRIB_DIR := $(realpath $(CONTRIB_DIR))
ifeq ($(REAL_CONTRIB_DIR),)
REAL_CONTRIB_DIR := $(CONTRIB_DIR)
endif
#
# Print help information by default
#
help:
$(ECHO)
$(ECHO) "Prepare the L4Linux/L4Android repository"
$(ECHO)
$(ECHO) "--- available commands ---"
$(ECHO) "prepare - checkout and patch the L4Linux/L4Android source code"
$(ECHO) "update-patch - updates patch to the original code"
$(ECHO) "clean - revert patch from fetched code"
$(ECHO) "cleanall - delete all fetched code"
$(ECHO)
$(ECHO) "Set the variable TARGET=l4android if you want to checkout,"
$(ECHO) "update, or clean L4Android in contrast to L4Linux code."
$(ECHO)
prepare: clean
$(VERBOSE)$(UPDATE)
$(ECHO) "applying patches to '$(REAL_CONTRIB_DIR)/$(TARGET)'"
$(VERBOSE)for i in $(PATCH-$(TARGET)); do $(PATCH) -d $(REAL_CONTRIB_DIR)/$(TARGET) < $$i; done
$(VERBOSE)ln -s $(shell pwd)/src/drivers $(REAL_CONTRIB_DIR)/$(TARGET)/arch/l4/drivers
$(ECHO)
$(ECHO) "Preparation completed!"
$(ECHO) "Now, go to your Genode build directory and type 'make $(TARGET)'."
$(ECHO) "Hint: don't forget to put '$(shell pwd)' "
$(ECHO) " as a repository into your build.conf"
$(ECHO)
$(CONTRIB_DIR):
$(VERBOSE)mkdir -p $@
$(REAL_CONTRIB_DIR)/l4linux:
$(VERBOSE)svn co $(REPO-l4linux) -r $(REV-l4linux) $@
$(REAL_CONTRIB_DIR)/l4android:
$(VERBOSE)git clone $(REPO-l4android) $@
update-patch:
$(ECHO) "Save changes to original code in $(PATCH-$(TARGET))"
$(VERBOSE)(cd $(REAL_CONTRIB_DIR)/$(TARGET); LC_COLLATE=C $(DIFF)) > $(PATCH-$(TARGET)) || true
clean: clean-$(TARGET)
$(VERBOSE)rm -f $(CONTRIB_DIR)/$(TARGET)/arch/l4/drivers
clean-l4linux: $(REAL_CONTRIB_DIR)/$(TARGET)
$(VERBOSE)svn revert -R $(REAL_CONTRIB_DIR)/l4linux
$(VERBOSE)svn stat $(REAL_CONTRIB_DIR)/l4linux | sed -e 's/? //' | xargs rm -f
clean-l4android: $(REAL_CONTRIB_DIR)/$(TARGET)
$(VERBOSE)cd $(REAL_CONTRIB_DIR)/l4android; git checkout -f
cleanall:
$(VERBOSE)rm -rf $(CONTRIB_DIR)
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