media-libs/zxing-cpp: add USE=tools to install example binaries

USE=tools now installs ZXingReader and ZXingWriter.

Closes: https://bugs.gentoo.org/966189
Signed-off-by: Louis Sautier <sbraz@gentoo.org>
Part-of: https://codeberg.org/gentoo/gentoo/pulls/596
Merges: https://codeberg.org/gentoo/gentoo/pulls/596

media-libs/zxing-cpp/metadata.xml

@@ -7,6 +7,7 @@
 	</maintainer>
 	<use>
 		<flag name="experimental">Enable experimental features via <pkg>media-libs/zint</pkg></flag>
+		<flag name="tools">Install ZXingReader and ZXingWriter binaries</flag>
 	</use>
 	<upstream>
 		<remote-id type="github">zxing-cpp/zxing-cpp</remote-id>

media-libs/zxing-cpp/zxing-cpp-2.3.0-r1.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2025 Gentoo Authors
+# Copyright 1999-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -18,7 +18,7 @@ SRC_URI="
 LICENSE="Apache-2.0"
 SLOT="0/3"
 KEYWORDS="amd64 ~arm arm64 ~loong ppc64 ~riscv x86"
-IUSE="experimental test"
+IUSE="experimental test tools"
 RESTRICT="!test? ( test )"
 
 RDEPEND="
@@ -33,6 +33,9 @@ DEPEND="
 		dev-libs/libfmt
 		dev-libs/stb
 	)
+	tools? (
+		dev-libs/stb
+	)
 "
 
 PATCHES=(
@@ -50,7 +53,8 @@ src_prepare() {
 src_configure() {
 	local mycmakeargs=(
 		-DZXING_USE_BUNDLED_ZINT=OFF
-		-DZXING_EXAMPLES=OFF # nothing is installed
+		# Build and install ZXingReader and ZXingWriter
+		-DZXING_EXAMPLES=$(usex tools)
 		-DZXING_BLACKBOX_TESTS=$(usex test)
 		-DZXING_UNIT_TESTS=$(usex test)
 		-DZXING_DEPENDENCIES=LOCAL # force find_package as REQUIRED

media-libs/zxing-cpp/zxing-cpp-3.0.2.ebuild

@@ -20,7 +20,7 @@ S="${WORKDIR}/${MY_P}"
 LICENSE="Apache-2.0"
 SLOT="0/4"
 KEYWORDS=""
-IUSE="test"
+IUSE="test tools"
 RESTRICT="!test? ( test )"
 
 RDEPEND=">=media-libs/zint-2.16.0:="
@@ -43,7 +43,8 @@ src_prepare() {
 src_configure() {
 	local mycmakeargs=(
 		-DZXING_DEPENDENCIES=LOCAL # force find_package as REQUIRED
-		-DZXING_EXAMPLES=OFF # nothing is installed
+		# Build and install ZXingReader and ZXingWriter
+		-DZXING_EXAMPLES=$(usex tools)
 		-DZXING_USE_BUNDLED_ZINT=OFF
 		-DZXING_WRITERS=BOTH # should be kept on until revdeps are ported away from OLD
 		-DZXING_BLACKBOX_TESTS=$(usex test)