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legal-info: infrastructure to collect legally-relevant material

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This allows to automatically collect material that may be needed to comply with
the license of packages that Buildroot prepares for the target device.

The core of the implementation is made by the following parts:
 - in package/pkg-utils.mk some helper functions are defined for common actions
   such as generating a warning, producing info about a package etc;
 - in package/pkg-gentargets.mk, within the GENTARGETS framework, a new
   <PKG>-legal-info target produces all the info for a given package;
 - Makefile implements the top-level targets:
   - legal-info-prepare creates the output directory and produces legal info
     about Buildroot itself and the toolchain, which mostly means just warning
     the user that this is not implemented;
   - legal-info, the only target that is supposed to be used directly, depends
     on all of the above and finishes things by producing the README files from
     the various pieces.

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Luca Ceresoli
2012-05-17 19:33:00 +02:00
committed by Thomas Petazzoni
parent 8d19377d24
commit 7e76f904d2
5 changed files with 153 additions and 3 deletions
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42
Makefile
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@@ -257,6 +257,14 @@ TARGET_DIR:=$(BASE_DIR)/target
TOOLCHAIN_DIR=$(BASE_DIR)/toolchain
TARGET_SKELETON=$(TOPDIR)/fs/skeleton
LEGAL_INFO_DIR=$(BASE_DIR)/legal-info
REDIST_SOURCES_DIR=$(LEGAL_INFO_DIR)/sources
LICENSE_FILES_DIR=$(LEGAL_INFO_DIR)/licenses
LEGAL_MANIFEST_CSV=$(LEGAL_INFO_DIR)/manifest.csv
LEGAL_LICENSES_TXT=$(LEGAL_INFO_DIR)/licenses.txt
LEGAL_WARNINGS=$(LEGAL_INFO_DIR)/.warnings
LEGAL_REPORT=$(LEGAL_INFO_DIR)/README
ifeq ($(BR2_CCACHE),y)
CCACHE:=$(HOST_DIR)/usr/bin/ccache
BUILDROOT_CACHE_DIR = $(call qstrip,$(BR2_CCACHE_DIR))
@@ -338,6 +346,9 @@ HOST_DEPS = $(sort $(foreach dep,\
$($(dep))))
HOST_SOURCE += $(addsuffix -source,$(sort $(TARGETS_HOST_DEPS) $(HOST_DEPS)))
TARGETS_LEGAL_INFO:=$(patsubst %,%-legal-info,\
$(TARGETS) $(BASE_TARGETS) $(TARGETS_HOST_DEPS) $(HOST_DEPS))))
# all targets depend on the crosscompiler and it's prerequisites
$(TARGETS_ALL): __real_tgt_%: $(BASE_TARGETS) %
@@ -354,8 +365,9 @@ prepare: $(BUILD_DIR)/buildroot-config/auto.conf
world: prepare dirs dependencies $(BASE_TARGETS) $(TARGETS_ALL)
.PHONY: all world dirs clean distclean source outputmakefile \
legal-info legal-info-prepare legal-info-clean \
$(BASE_TARGETS) $(TARGETS) $(TARGETS_ALL) \
$(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) \
$(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) $(TARGETS_LEGAL_INFO) \
$(DL_DIR) $(TOOLCHAIN_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
$(HOST_DIR) $(BINARIES_DIR) $(STAMP_DIR)
@@ -365,7 +377,7 @@ world: prepare dirs dependencies $(BASE_TARGETS) $(TARGETS_ALL)
# dependencies anywhere else
#
#############################################################
$(DL_DIR) $(TOOLCHAIN_DIR) $(BUILD_DIR) $(HOST_DIR) $(BINARIES_DIR) $(STAMP_DIR):
$(DL_DIR) $(TOOLCHAIN_DIR) $(BUILD_DIR) $(HOST_DIR) $(BINARIES_DIR) $(STAMP_DIR) $(LEGAL_INFO_DIR) $(REDIST_SOURCES_DIR):
@mkdir -p $@
$(STAGING_DIR):
@@ -498,6 +510,28 @@ source: dirs $(TARGETS_SOURCE) $(HOST_SOURCE)
external-deps:
@$(MAKE) -Bs DL_MODE=SHOW_EXTERNAL_DEPS $(EXTRAMAKEARGS) source | sort -u
legal-info-clean:
@rm -fr $(LEGAL_INFO_DIR)
legal-info-prepare: $(LEGAL_INFO_DIR)
@$(call MESSAGE,"Collecting legal info")
@$(call legal-license-file,buildroot,COPYING,COPYING)
@$(call legal-manifest,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE)
@$(call legal-manifest,buildroot,$(BR2_VERSION_FULL),GPLv2+,COPYING,not saved)
@$(call legal-warning,the Buildroot source code has not been saved)
@$(call legal-warning,the toolchain has not been saved)
@cp $(CONFIG_DIR)/.config $(LEGAL_INFO_DIR)/buildroot.config
legal-info: dirs legal-info-clean legal-info-prepare $(REDIST_SOURCES_DIR) \
$(TARGETS_LEGAL_INFO)
@cat support/legal-info/README.header >>$(LEGAL_REPORT)
@if [ -r $(LEGAL_WARNINGS) ]; then \
cat support/legal-info/README.warnings-header \
$(LEGAL_WARNINGS) >>$(LEGAL_REPORT); \
cat $(LEGAL_WARNINGS); fi
@echo "Legal info produced in $(LEGAL_INFO_DIR)"
@rm -f $(LEGAL_WARNINGS)
show-targets:
@echo $(TARGETS)
@@ -619,7 +653,8 @@ endif
clean:
rm -rf $(STAGING_DIR) $(TARGET_DIR) $(BINARIES_DIR) $(HOST_DIR) \
$(STAMP_DIR) $(BUILD_DIR) $(TOOLCHAIN_DIR) $(BASE_DIR)/staging
$(STAMP_DIR) $(BUILD_DIR) $(TOOLCHAIN_DIR) $(BASE_DIR)/staging \
$(LEGAL_INFO_DIR)
distclean: clean
ifeq ($(DL_DIR),$(TOPDIR)/dl)
@@ -687,6 +722,7 @@ endif
@echo ' source - download all sources needed for offline-build'
@echo ' source-check - check selected packages for valid download URLs'
@echo ' external-deps - list external packages used'
@echo ' legal-info - generate info about license compliance'
@echo
@echo ' make V=0|1 - 0 => quiet build (default), 1 => verbose build'
@echo ' make O=dir - Locate all output files in "dir", including .config'