# Makefile to manage samples

 # ----------------------------------------------------------

 # Build the list of available samples

 CT_TOP_SAMPLES := $(patsubst $(CT_TOP_DIR)/samples/%/crosstool.config,%,$(wildcard $(CT_TOP_DIR)/samples/*/crosstool.config))

 CT_LIB_SAMPLES := $(filter-out $(CT_TOP_SAMPLES),$(patsubst $(CT_LIB_DIR)/samples/%/crosstool.config,%,$(wildcard $(CT_LIB_DIR)/samples/*/crosstool.config)))

 CT_SAMPLES := $(shell echo $(sort $(CT_TOP_SAMPLES) $(CT_LIB_SAMPLES))  \

                       |$(sed) -r -e 's/ /\n/g;'                            \

                       |$(sed) -r -e 's/(.*),(.*)/\2,\1/;'                  \

                       |LC_ALL=C sort                                    \

                       |$(sed) -r -e 's/(.*),(.*)/\2,\1/;'                  \

                )

 # ----------------------------------------------------------

 # This part deals with the samples help entries

 help-config::

 	@echo  '  saveconfig         - Save current config as a preconfigured target'

 help-samples::

 	@echo  '  list-samples       - prints the list of all samples (for scripting)'

 	@echo  '  show-<sample>      - show a brief overview of <sample> (list with list-samples)'

 	@echo  '  <sample>           - preconfigure crosstool-NG with <sample> (list with list-samples)'

 	@echo  '  build-all[.#]      - Build *all* samples (list with list-samples) and install in'

 	@echo  '                       $${CT_PREFIX} (which you must set)'

 help-distrib::

 	@echo  '  wiki-samples       - Print a DokuWiki table of samples'

 help-env::

 	@echo  '  CT_PREFIX=dir      - install samples in dir (see action "build-all", above).'

 # ----------------------------------------------------------

 # This part deals with printing samples information

 # Print the details of current configuration

 PHONY += show-config

 show-config: .config

 	@export current_tuple=$(shell $(MAKE) -rf "$(CT_NG)" show-tuple );  \

 	$(CT_LIB_DIR)/scripts/showSamples.sh -v current

 # Prints the details of a sample

 PHONY += $(patsubst %,show-%,$(CT_SAMPLES))

 $(patsubst %,show-%,$(CT_SAMPLES)):

 	@$(CT_LIB_DIR)/scripts/showSamples.sh -v $(patsubst show-%,%,$(@))

 # Prints the details of all samples

 PHONY += show-all

 show-all: $(patsubst %,show-%,$(CT_SAMPLES))

 # print the list of all available samples

 PHONY += list-samples

 list-samples: FORCE

 	$(SILENT)$(CT_LIB_DIR)/scripts/showSamples.sh $(CT_SAMPLES)

 wiki-samples:

 	$(SILENT)$(CT_LIB_DIR)/scripts/showSamples.sh -w $(CT_SAMPLES)

 # ----------------------------------------------------------

 # This part deals with saving/restoring samples

 PHONY += samples

 samples:

 	@$(ECHO) '  MKDIR $@'

 	$(SILENT)mkdir -p $@

 # Save a sample

 saveconfig: .config samples

 	$(SILENT)$(CT_LIB_DIR)/scripts/saveSample.sh

 # The 'sample_dir' function prints the directory in which the sample is,

 # searching first in local samples, then in global samples

 define sample_dir

 $$( [ -d $(CT_TOP_DIR)/samples/$(1) ] && echo "$(CT_TOP_DIR)/samples/$(1)" || echo "$(CT_LIB_DIR)/samples/$(1)")

 endef

 # How we do recall one sample

 PHONY += $(CT_SAMPLES)

 $(CT_SAMPLES):

 	$(SILENT)cp $(call sample_dir,$@)/crosstool.config .config

 	$(SILENT)$(MAKE) -rf $(CT_NG) V=$(V) oldconfig

 	@echo

 	@echo  '***********************************************************'

 	@echo

 	$(SILENT)( . $(call sample_dir,$@)/reported.by;                             \

 	   echo "Initially reported by: $${reporter_name:-Yann E. MORIN}";          \

 	   echo "URL: $${reporter_url:-http://ymorin.is-a-geek.org/}";              \

 	   if [ -n "$${reporter_comment}" ]; then                                   \

 	     echo  ;                                                                \

 	     echo  "Comment:";                                                      \

 	     printf "$${reporter_comment}\n";                                       \

 	   fi;                                                                      \

 	   echo  ;                                                                  \

 	   echo  '***********************************************************';     \

 	 )

 	$(SILENT)if $(grep) -E '^CT_EXPERIMENTAL=y$$' .config >/dev/null 2>&1; then \

 	   echo  ;                                                                  \

 	   echo  'WARNING! This sample may enable experimental features.';          \

 	   echo  '         Please be sure to review the configuration prior';       \

 	   echo  '         to building and using your toolchain!';                  \

 	   echo  'Now, you have been warned!';                                      \

 	   echo  ;                                                                  \

 	   echo  '***********************************************************';     \

 	 fi

 	@echo

 	@echo  'Now configured for "$@"'

 # ----------------------------------------------------------

 # Some helper functions

 # Create the rule to build a sample

 # $1: sample tuple

 # $2: prefix

 define build_sample

 	@$(ECHO) '  CONF  $(1)'

 	$(SILENT)cp $(call sample_dir,$(1))/crosstool.config .config

 	$(SILENT)$(sed) -i -r -e 's:^(CT_PREFIX_DIR=).*$$:\1"$(2)":;' .config

 	$(SILENT)$(sed) -i -r -e 's:^.*(CT_LOG_(WARN|INFO|EXTRA|DEBUG|ALL)).*$$:# \1 is not set:;' .config

 	$(SILENT)$(sed) -i -r -e 's:^.*(CT_LOG_ERROR).*$$:\1=y:;' .config

 	$(SILENT)$(sed) -i -r -e 's:^(CT_LOG_LEVEL_MAX)=.*$$:\1="ERROR":;' .config

 	$(SILENT)$(sed) -i -r -e 's:^.*(CT_LOG_TO_FILE).*$$:\1=y:;' .config

 	$(SILENT)$(sed) -i -r -e 's:^.*(CT_LOG_PROGRESS_BAR).*$$:\1=y:;' .config

 	$(SILENT)$(MAKE) -rf $(CT_NG) V=0 oldconfig

 	@$(ECHO) '  BUILD $(1)'

 	$(SILENT)$(MAKE) -rf $(CT_NG) V=0 build

 endef

 # ----------------------------------------------------------

 # Build samples for use (not regtest!)

 # Check that PREFIX is set if building samples

 ifneq ($(strip $(MAKECMDGOALS)),)

 ifneq ($(strip $(filter $(patsubst %,build-%,$(CT_SAMPLES)) build-all,$(MAKECMDGOALS))),)

 ifeq ($(strip $(CT_PREFIX)),)

 $(error Please set 'CT_PREFIX' to where you want to install generated toolchain samples!)

 endif

 endif # MAKECMDGOALS contains a build sample rule

 endif # MAKECMDGOALS != ""

 # Build a single sample

 $(patsubst %,build-%,$(CT_SAMPLES)):

 	$(call build_sample,$(patsubst build-%,%,$@),$(CT_PREFIX)/$(patsubst build-%,%,$@))

 # Build al samples

 build-all: $(patsubst %,build-%,$(CT_SAMPLES))

 # Build all samples, overiding the number of // jobs per sample

 build-all.%:

 	$(SILENT)$(MAKE) -rf $(CT_NG) V=$(V) $(shell echo "$(@)" |$(sed) -r -e 's|^([^.]+)\.([[:digit:]]+)$$|\1 CT_JOBS=\2|;')