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| author | Alejandro Colomar <alx@kernel.org> | 2024-03-19 18:14:33 +0100 |
|---|---|---|
| committer | Alejandro Colomar <alx@kernel.org> | 2024-03-19 18:14:35 +0100 |
| commit | 871924189303c209285a8908b8354387aebedeb0 (patch) | |
| tree | 5fec6343a8f4cf1678e25f6673c2d7d671ed91c6 | |
| parent | e4194ea338b9515f129be6a1b98d7ff8a4b29ed9 (diff) | |
GNUmakefile: help: Add a simple help
It documents how to actually get the targets and variables with a
pipeline.
Signed-off-by: Alejandro Colomar <alx@kernel.org>
| -rw-r--r-- | GNUmakefile | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/GNUmakefile b/GNUmakefile index 1602c9195..4cc4e88f0 100644 --- a/GNUmakefile +++ b/GNUmakefile @@ -37,6 +37,22 @@ $(MK):: ; nothing:; +.PHONY: help +help: + $(info $(INFO_)To see a list of .PHONY targets, run:) + $(info $(INFO_) $$ make nothing -p \) + $(info $(INFO_) | grep '^\.PHONY:' \) + $(info $(INFO_) | tr ' ' '\n' \) + $(info $(INFO_) | grep -v '^\.PHONY:' \) + $(info $(INFO_) | sort;) + $(info ) + $(info $(INFO_)To see a list of available variables, run:) + $(info $(INFO_) $$ find GNUmakefile share/mk/configure -type f \) + $(info $(INFO_) | xargs grep '^[^[:space:]].*=' \) + $(info $(INFO_) | sed 's/=.*/=/';) + $(info ) + + .DELETE_ON_ERROR: .SILENT: FORCE: |