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| author | rillig <rillig@pkgsrc.org> | 2007-09-29 10:56:34 +0000 |
|---|---|---|
| committer | rillig <rillig@pkgsrc.org> | 2007-09-29 10:56:34 +0000 |
| commit | 7756a9e297b56dccdc6bd88f88006ccf4bbfd665 (patch) | |
| tree | 6074c4e57437bf27e7dfdeb0fa4d9cf8380c0ba8 /mk/find-prefix.mk | |
| parent | 8c304824210bf3bcf5037d282b91808996fd2e2b (diff) | |
| download | pkgsrc-7756a9e297b56dccdc6bd88f88006ccf4bbfd665.tar.gz | |
Improved the documentation.
Diffstat (limited to 'mk/find-prefix.mk')
| -rw-r--r-- | mk/find-prefix.mk | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/mk/find-prefix.mk b/mk/find-prefix.mk index 135cbd5827f..8dcf2b889a3 100644 --- a/mk/find-prefix.mk +++ b/mk/find-prefix.mk @@ -1,7 +1,28 @@ -# $NetBSD: find-prefix.mk,v 1.4 2005/11/28 05:54:17 jlam Exp $ +# $NetBSD: find-prefix.mk,v 1.5 2007/09/29 10:56:34 rillig Exp $ # # This is a "subroutine" that can be included to find the installation -# prefix of a package. +# prefix of an installed package. +# +# Parameters: +# +# FIND_PREFIX +# A list of <VARNAME>=<pattern> pairs, where +# +# * <pattern> is a package wildcard pattern (see pkg_info(8)), +# * <VARNAME> is the variable that will be set to the +# installation prefix for the package. +# +# Returns: +# +# <VARNAME> +# The prefix of the corresponding package, or ${LOCALBASE} +# if the package is not installed. +# +# Example: +# +# FIND_PREFIX:= M4DIR=gm4 +# .include "../../mk/find-prefix.mk" +# # ${M4DIR} now contains the installation prefix for the "gm4" package. # # The input variable is FIND_PREFIX, which is a list of VARNAME=<pattern> # pairs, where "VARNAME" is the variable that will be set to the @@ -17,6 +38,11 @@ .for _def_ in ${FIND_PREFIX} . if !defined(${_def_:C/=.*$//}) + +# XXX: Is this *_DEFAULT variable really necessary? The default value +# can be easily embedded in the shell code. What if VARNAME is set to +# PKG_APACHE, for example? +# ${_def_:C/=.*$//}_DEFAULT?= ${LOCALBASE} _${_def_:C/=.*$//}_cmd= \ ${PKG_INFO} -qp ${_def_:C/^[^=]*=//:Q} 2>/dev/null | \ |