tbb: Enabled cmake Config file installation for devel

srcpkgs/tbb/template

@@ -1,12 +1,13 @@
 # Template file for 'tbb'
 pkgname=tbb
 version=2019.U5
-revision=1
+revision=2
 archs="i686* x86_64* armv7l* aarch64* ppc64le* ppc64"
 # version rewrite: 2017_U7 (upstream) => 2017.7 (xbps)
 _ver=${version/./_}
 wrksrc="${pkgname}-${_ver}"
 build_style=gnu-makefile
+hostmakedepends="cmake"
 short_desc="Intel Threading Building Blocks"
 maintainer="Andrea Brancaleoni <abc@pompel.me>"
 license="Apache-2.0"
@@ -42,6 +43,13 @@ do_install() {
 	vcopy build/linux_*/*.so* usr/lib
 	vmkdir usr/include/tbb
 	vcopy include/tbb/* usr/include/tbb
+
+	cmake \
+		-DINSTALL_DIR=$DESTDIR/usr/lib/cmake/TBB \
+		-DSYSTEM_NAME=Linux \
+		-DLIB_REL_PATH=../.. \
+		-DINC_REL_PATH=../../../include \
+		-P cmake/tbb_config_installer.cmake
 }
 
 tbb-devel_package() {
@@ -50,5 +58,6 @@ tbb-devel_package() {
 	pkg_install() {
 		vmove usr/include
 		vmove "usr/lib/*.so"
+		vmove usr/lib/cmake
 	}
 }