# 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 := $(sort $(CT_TOP_SAMPLES) $(CT_LIB_SAMPLES))

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

# 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 below)'

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

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

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

	@echo  '  Available samples:'

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

help-distrib::

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

help-env::

	@echo  '  CT_PREFIX          - directory in which to auto-install samples'

	@echo  '                       (see action "build-all", above).'

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

# This part deals with printing samples information

# Prints the details of a sample

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

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

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

# print the list of all available samples

PHONY += list-samples

list-samples: .FORCE

	@echo $(CT_SAMPLES) |$(sed) -r -e 's/ /\n/g;' |sort

wiki-samples:

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

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

# This part deals with saving/restoring samples

# Save a sample

saveconfig:

	$(SILENT)$(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|;')