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Makefile: get help back up

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Partially reverts "Makefile: presume a distro by default" commit:
plain `make' should better help the user to decide the target
rather than rush to build them all upon her.
This commit is contained in:
Michael Shigorin 2011-11-24 22:09:15 +02:00
parent 7e219c14f1
commit 041d57542a
1 changed files with 7 additions and 8 deletions
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15
Makefile
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@ -6,6 +6,13 @@
# --- in BUILDDIR
# 4. build subprofiles and subsequently an image
help:
@echo '** available distribution targets:'
@echo $(DISTROS) | fmt -sw"$$((COLUMNS>>1))" | column -t
@echo
@echo '** available virtual environment targets:'
@echo $(VES) | fmt -sw"$$((COLUMNS>>1))" | column -t
MKIMAGE_PROFILES = $(dir $(lastword $(MAKEFILE_LIST)))
# only process the first target (inter-target cleanup is tricky)
@ -38,7 +45,6 @@ VES := $(call addsuffices,$(VE_EXTS),$(VE_TARGETS))
IMAGES := $(DISTROS) $(VES)
.PHONY: $(IMAGES) $(DISTRO_TARGETS) $(VE_TARGETS)
.DEFAULT: help
### suboptimal but at least clear, reliable and convenient
all:
@ -63,13 +69,6 @@ $(IMAGES): debug \
# convenience shortcut
$(DISTROS:distro/%=%): %: distro/%
help:
@echo '** available distribution targets:'
@echo $(DISTROS) | fmt -sw"$$((COLUMNS>>1))" | column -t
@echo
@echo '** available virtual environment targets:'
@echo $(VES) | fmt -sw"$$((COLUMNS>>1))" | column -t
debug:
ifeq (2,$(DEBUG))
@$(foreach v,\