From: Mike Gilbert <floppym@gentoo.org>
Date: Mon, 11 Dec 2017 19:14:06 +0000 (-0500)
Subject: meson.eclass: add meson_use function
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=b7ad7de7e4a3d584601bf3d7bd9c8d9c7dd2af48;p=gentoo.git

meson.eclass: add meson_use function
---

diff --git a/eclass/meson.eclass b/eclass/meson.eclass
index 2c943dd6ae27..71735fbfc67d 100644
--- a/eclass/meson.eclass
+++ b/eclass/meson.eclass
@@ -137,6 +137,19 @@ _meson_create_cross_file() {
 	EOF
 }
 
+# @FUNCTION: meson_use
+# @USAGE: <USE flag> [option name]
+# @DESCRIPTION:
+# Given a USE flag and meson project option, outputs a string like:
+#
+#   -Doption=true
+#   -Doption=false
+#
+# If the project option is unspecified, it defaults to the USE flag.
+meson_use() {
+	usex "$1" "-D${2-$1}=true" "-D${2-$1}=false"
+}
+
 # @FUNCTION: meson_src_configure
 # @DESCRIPTION:
 # This is the meson_src_configure function.