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# -*-makefile-*-
ifneq ($(filter dump,$(MAKECMDGOALS)),)
# ----------------------------------------------------------------------------
# environment export to plugins and shell scripts
# ----------------------------------------------------------------------------
# If you run 'ptxdist make dump', you will get two files:
# $(STATEDIR)/environment.symbols <- A list of all internal Variable
# Symbols in the main PTXdist Makefile
# $(STATEDIR)/environment.bash <- A selection of Variables in bash
# syntax. Please adjust M2B_DUMP_VARIABLES
# and M2B_DUMP_SUFFIXES to your needs.
# ----------------------------------------------------------------------------
#
# dump all internal make symbols
#
#
# Make to bash export (M2B):
#
M2B=$(STATEDIR)/environment
#
# Select make variables for export to shell (by full name)
#
M2B_DUMP_VARIABLES := \
PTXCONF_CONFIGFILE_VERSION \
PTXCONFIG PTXCONF_SYSROOT_TARGET PTXCONF_PROJECT PTXCONF_PROJECT_VERSION \
PTXDIST_WORKSPACE PTXDIST_TOPDIR \
PTXDIST PTXDIST_VERSION_FULL \
RULESDIR SCRIPTSDIR STATEDIR SYSROOT WORKDIR \
PACKAGES- PACKAGES-y PACKAGES-m
#
# Select make variables for export to shell (by suffix)
#
M2B_DUMP_SUFFIXES := _URL _DIR _VERSION _SOURCE
$(M2B).symbols:
@echo "$(.VARIABLES)" \
| sed s/\ /\\n/g \
| egrep -v "[^A-Z0-9_-]|^_$$" \
| sort -u > $@
dump-symbols: $(M2B).symbols
#
# dump selected symbols with value
#
packages := $(PACKAGES-) $(PACKAGES-y) $(PACKAGES-m)
prefixes := $(shell echo $(packages) | tr "a-z-" "A-Z_")
symbols := $(foreach prefix,$(prefixes),$(foreach suffix,$(M2B_DUMP_SUFFIXES),$(prefix)$(suffix)))
allsymbols := $(prefixes) $(shell echo $(symbols) | tr "a-z-" "A-Z_") $(M2B_DUMP_VARIABLES)
$(addprefix dump-,$(sort $(allsymbols))): $(M2B).symbols
@echo 'M2B_$(call remove_quotes,$(*))="$(call remove_quotes,$($(*)))"' >> $(M2B).bash.tmp
@echo '$(call remove_quotes,$(*)) $(call remove_quotes,$($(*)))' >> $(M2B).tmp
dump: $(addprefix dump-,$(allsymbols))
@mv $(M2B).bash.tmp $(M2B).bash
@mv $(M2B).tmp $(M2B)
endif
# vim600:set foldmethod=marker:
# vim600:set syntax=make:
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