diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 43 |
1 files changed, 18 insertions, 25 deletions
@@ -118,38 +118,29 @@ CROSS_BUILD_TARGETS := \ bin/podman.cross.linux.mips64 \ bin/podman.cross.linux.mips64le +.PHONY: default +default: all + .PHONY: all all: binaries docs -.PHONY: default -default: help - -define PRINT_HELP_PYSCRIPT -import re, sys - -print("Usage: make <target>") -cmds = {} -for line in sys.stdin: - match = re.match(r'^([a-zA-Z_-]+):.*?## (.*)$$', line) - if match: - target, help = match.groups() - cmds.update({target: help}) -for cmd in sorted(cmds): - print(" * '%s' - %s" % (cmd, cmds[cmd])) -endef -export PRINT_HELP_PYSCRIPT - # Dereference variable $(1), return value if non-empty, otherwise raise an error. err_if_empty = $(if $(strip $($(1))),$(strip $($(1))),$(error Required variable $(1) value is undefined, whitespace, or empty)) +# Extract text following double-# for targets, as their description for +# the `help` target. Otherwise These simple-substitutions are resolved +# at reference-time (due to `=` and not `=:`). +_HLP_TGTS_RX = '^[[:print:]]+:.*?\#\# .*$$' +_HLP_TGTS_CMD = grep -E $(_HLP_TGTS_RX) $(MAKEFILE_LIST) +_HLP_TGTS_LEN = $(shell $(_HLP_TGTS_CMD) | cut -d : -f 1 | wc -L) +_HLPFMT = "%-$(_HLP_TGTS_LEN)s %s\n" .PHONY: help -ifneq (, ${PYTHON}) -help: - @$(PYTHON) -c "$$PRINT_HELP_PYSCRIPT" < $(MAKEFILE_LIST) -else -help: - $(error python required for 'make help', executable not found) -endif +help: ## (Default) Print listing of key targets with their descriptions + @printf $(_HLPFMT) "Target:" "Description:" + @printf $(_HLPFMT) "--------------" "--------------------" + @$(_HLP_TGTS_CMD) | sort | \ + awk 'BEGIN {FS = ":(.*)?## "}; \ + {printf $(_HLPFMT), $$1, $$2}' .gopathok: ifeq ("$(wildcard $(GOPKGDIR))","") @@ -469,6 +460,8 @@ changelog: ## Generate changelog $(shell cat $(TMPFILE) >> changelog.txt) $(shell rm $(TMPFILE)) +# Workaround vim syntax highlighting bug: " + .PHONY: install install: .gopathok install.bin install.remote install.man install.cni install.systemd ## Install binaries to system locations |