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| author | rillig <rillig@pkgsrc.org> | 2009-07-28 07:01:56 +0000 |
|---|---|---|
| committer | rillig <rillig@pkgsrc.org> | 2009-07-28 07:01:56 +0000 |
| commit | faf5250b1b8c371c4e7e9dae0703f321423ed0ad (patch) | |
| tree | f88e49caf419163393f34359cbcd33ac6cbbf842 /mk/misc | |
| parent | 70381613122ca93909635733c75819b17b87b0ff (diff) | |
| download | pkgsrc-faf5250b1b8c371c4e7e9dae0703f321423ed0ad.tar.gz | |
Documented the trap into which I had just fallen.
Diffstat (limited to 'mk/misc')
| -rw-r--r-- | mk/misc/show.mk | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/mk/misc/show.mk b/mk/misc/show.mk index b8f76242818..cbc85252424 100644 --- a/mk/misc/show.mk +++ b/mk/misc/show.mk @@ -1,4 +1,4 @@ -# $NetBSD: show.mk,v 1.9 2008/11/19 08:06:36 rillig Exp $ +# $NetBSD: show.mk,v 1.10 2009/07/28 07:01:56 rillig Exp $ # # This file contains some targets that print information gathered from # variables. They do not modify any variables. @@ -88,6 +88,13 @@ show-build-defs: .PHONY # * "pkg" for package-settable variables, # * "sys" for system-defined variables. # +# CAVEAT: Some few variable values that are shown here may be +# misleading. For example, make(1)'s := operator leaves references +# to undefined variables as-is, so they may be resolved later. So +# if you want to take a snapshot of the exact value of a variable, +# you have to use "snapshot!=printf %s ''${var:q}" instead of +# "snapshot:=${var}". +# # Keywords: debug show _vargroups # |