Gentoo Archives: gentoo-dev

From: Mike Frysinger <vapier@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] new `usex` helper
Date: Wed, 14 Sep 2011 02:46:06
Message-Id: 201109132245.27972.vapier@gentoo.org
In Reply to: Re: [gentoo-dev] new `usex` helper by Brian Harring
1 On Tuesday, September 13, 2011 19:08:09 Brian Harring wrote:
2 > Making it overridable seems wiser-
3 >
4 > usex() {
5 > local flag="$1"
6 > local tval=${2-yes}
7 > local fval=${3-no}
8 > if use $flag; then
9 > echo "${tval}"
10 > else
11 > echo "${fval}"
12 > fi
13 > }
14
15 i dont get it. mine already does exactly this, just in one line.
16 usex() { use $1 && echo ${2:-yes} || echo ${3:-no} ; }
17
18 > While a bit longer, we likely can gut most of the use_* logic to
19 > use that, and it makes it easier to deal w/ the situations where a
20 > configure's options always assume --enable-blah thus don't export the
21 > option, but *do* export a --disable-blah.
22
23 yeah, i thought about replacing use_{with,enable} with usex, but we'd have to
24 extend usex() a little bit more
25 -mike

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Replies

Subject Author
Re: [gentoo-dev] new `usex` helper Brian Harring <ferringb@×××××.com>
Re: [gentoo-dev] new `usex` helper Ulrich Mueller <ulm@g.o>