samples/samples.mk
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Jan 03 18:36:07 2010 +0100 (2010-01-03)
changeset 1683 09ae4c09ba83
parent 1682 bcf3da3bb165
child 1684 93d751a8efd7
permissions -rw-r--r--
samples: add an action to print details for all samples
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# Makefile to manage samples
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# ----------------------------------------------------------
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# Build the list of available samples
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CT_TOP_SAMPLES := $(patsubst $(CT_TOP_DIR)/samples/%/crosstool.config,%,$(wildcard $(CT_TOP_DIR)/samples/*/crosstool.config))
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CT_LIB_SAMPLES := $(filter-out $(CT_TOP_SAMPLES),$(patsubst $(CT_LIB_DIR)/samples/%/crosstool.config,%,$(wildcard $(CT_LIB_DIR)/samples/*/crosstool.config)))
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CT_SAMPLES := $(shell echo $(sort $(CT_TOP_SAMPLES) $(CT_LIB_SAMPLES))  \
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                      |sed -r -e 's/ /\n/g;'                            \
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                      |sed -r -e 's/(.*),(.*)/\2,\1/;'                  \
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                      |LC_ALL=C sort                                    \
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                      |sed -r -e 's/(.*),(.*)/\2,\1/;'                  \
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               )
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# ----------------------------------------------------------
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# This part deals with the samples help entries
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help-config::
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	@echo  '  saveconfig         - Save current config as a preconfigured target'
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help-samples::
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	@echo  '  list-samples       - prints the list of all samples (for scripting)'
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	@echo  '  show-<sample>      - show a brief overview of <sample> (list below)'
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	@echo  '  <sample>           - preconfigure crosstool-NG with <sample> (list below)'
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	@echo  '  build-all[.#]      - Build *all* samples (list below) and install in'
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	@echo  '                       $${CT_PREFIX} (which you must set)'
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	@echo  '  Available samples:'
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	@$(CT_LIB_DIR)/scripts/showSamples.sh $(CT_SAMPLES)
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help-distrib::
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	@echo  '  wiki-samples       - Print a DokuWiki table of samples'
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help-env::
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	@echo  '  CT_PREFIX          - directory in which to auto-install samples'
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	@echo  '                       (see action "build-all", above).'
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# ----------------------------------------------------------
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# This part deals with printing samples information
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# Prints the details of a sample
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PHONY += $(patsubst %,show-%,$(CT_SAMPLES))
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$(patsubst %,show-%,$(CT_SAMPLES)):
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	@$(CT_LIB_DIR)/scripts/showSamples.sh -v $(patsubst show-%,%,$(@))
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# Prints the details of all samples
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PHONY += show-all
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show-all: $(patsubst %,show-%,$(CT_SAMPLES))
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# print the list of all available samples
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PHONY += list-samples
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list-samples: FORCE
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	@echo $(CT_SAMPLES) |$(sed) -r -e 's/ /\n/g;'
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wiki-samples:
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	$(SILENT)$(CT_LIB_DIR)/scripts/showSamples.sh -w $(CT_SAMPLES)
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# ----------------------------------------------------------
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# This part deals with saving/restoring samples
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PHONY += samples
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samples:
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	@$(ECHO) '  MKDIR $@'
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	$(SILENT)mkdir -p $@
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# Save a sample
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saveconfig: .config samples
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	$(SILENT)$(CT_LIB_DIR)/scripts/saveSample.sh
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# The 'sample_dir' function prints the directory in which the sample is,
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# searching first in local samples, then in global samples
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define sample_dir
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$$( [ -d $(CT_TOP_DIR)/samples/$(1) ] && echo "$(CT_TOP_DIR)/samples/$(1)" || echo "$(CT_LIB_DIR)/samples/$(1)")
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endef
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# How we do recall one sample
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PHONY += $(CT_SAMPLES)
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$(CT_SAMPLES):
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	$(SILENT)cp $(call sample_dir,$@)/crosstool.config .config
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	$(SILENT)$(MAKE) -rf $(CT_NG) V=$(V) oldconfig
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	@echo
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	@echo  '***********************************************************'
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	@echo
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	$(SILENT)( . $(call sample_dir,$@)/reported.by;                             \
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	   echo "Initially reported by: $${reporter_name:-Yann E. MORIN}";          \
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	   echo "URL: $${reporter_url:-http://ymorin.is-a-geek.org/}";              \
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	   if [ -n "$${reporter_comment}" ]; then                                   \
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	     echo  ;                                                                \
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	     echo  "Comment:";                                                      \
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	     printf "$${reporter_comment}\n";                                       \
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	   fi;                                                                      \
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	   echo  ;                                                                  \
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	   echo  '***********************************************************';     \
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	 )
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	$(SILENT)if $(grep) -E '^CT_EXPERIMENTAL=y$$' .config >/dev/null 2>&1; then \
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	   echo  ;                                                                  \
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	   echo  'WARNING! This sample may enable experimental features.';          \
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	   echo  '         Please be sure to review the configuration prior';       \
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	   echo  '         to building and using your toolchain!';                  \
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	   echo  'Now, you have been warned!';                                      \
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	   echo  ;                                                                  \
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	   echo  '***********************************************************';     \
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	 fi
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	@echo
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	@echo  'Now configured for "$@"'
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# ----------------------------------------------------------
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# Some helper functions
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# Create the rule to build a sample
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# $1: sample tuple
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# $2: prefix
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define build_sample
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	@$(ECHO) '  CONF  $(1)'
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	$(SILENT)cp $(call sample_dir,$(1))/crosstool.config .config
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	$(SILENT)$(sed) -i -r -e 's:^(CT_PREFIX_DIR=).*$$:\1"$(2)":;' .config
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	$(SILENT)$(sed) -i -r -e 's:^.*(CT_LOG_(WARN|INFO|EXTRA|DEBUG|ALL)).*$$:# \1 is not set:;' .config
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	$(SILENT)$(sed) -i -r -e 's:^.*(CT_LOG_ERROR).*$$:\1=y:;' .config
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	$(SILENT)$(sed) -i -r -e 's:^(CT_LOG_LEVEL_MAX)=.*$$:\1="ERROR":;' .config
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	$(SILENT)$(sed) -i -r -e 's:^.*(CT_LOG_TO_FILE).*$$:\1=y:;' .config
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	$(SILENT)$(sed) -i -r -e 's:^.*(CT_LOG_PROGRESS_BAR).*$$:\1=y:;' .config
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	$(SILENT)$(MAKE) -rf $(CT_NG) V=0 oldconfig
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	@$(ECHO) '  BUILD $(1)'
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	$(SILENT)$(MAKE) -rf $(CT_NG) V=0 build
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endef
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# ----------------------------------------------------------
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# Build samples for use (not regtest!)
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# Check that PREFIX is set if building samples
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ifneq ($(strip $(MAKECMDGOALS)),)
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ifneq ($(strip $(filter $(patsubst %,build-%,$(CT_SAMPLES)) build-all,$(MAKECMDGOALS))),)
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ifeq ($(strip $(CT_PREFIX)),)
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$(error Please set 'CT_PREFIX' to where you want to install generated toolchain samples!)
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endif
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endif # MAKECMDGOALS contains a build sample rule
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endif # MAKECMDGOALS != ""
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# Build a single sample
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$(patsubst %,build-%,$(CT_SAMPLES)):
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	$(call build_sample,$(patsubst build-%,%,$@),$(CT_PREFIX)/$(patsubst build-%,%,$@))
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# Build al samples
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build-all: $(patsubst %,build-%,$(CT_SAMPLES))
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# Build all samples, overiding the number of // jobs per sample
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build-all.%:
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	$(SILENT)$(MAKE) -rf $(CT_NG) V=$(V) $(shell echo "$(@)" |$(sed) -r -e 's|^([^.]+)\.([[:digit:]]+)$$|\1 CT_JOBS=\2|;')
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