lxqt-build-tools: ensure gcc-ar and gcc-ranlib are founf for target

Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>

recipes-lxqt/lxqt-build-tools/lxqt-build-tools_git.bb

@@ -3,7 +3,7 @@ LICENSE = "BSD-3-Clause"
 LIC_FILES_CHKSUM = "file://BSD-3-Clause;md5=a8987c1fd6930fe14ae46b4d72e53770"
 
 # lxqt.bbclass adds an inherit on this recipe
-inherit cmake_qt5_extra
+inherit cmake_qt5_extra cmake_lib
 
 do_configure_append() {
     sed -i 's:set(LXQT_ETC_XDG_DIR.*:set(LXQT_ETC_XDG_DIR        "${sysconfdir}/xdg"):' ${B}/install/LXQtConfigVars.cmake
@@ -13,3 +13,6 @@ SRC_URI = "git://github.com/lxde/${BPN}.git;protocol=git;branch=master"
 SRCREV = "b38c9e0d12877702f0d12b749f69579626c36054"
 PV = "0.3.2"
 S = "${WORKDIR}/git"
+
+CMAKE_ALIGN_SYSROOT[1] = "lxqt-build-tools, -sgcc-ar, -S${TARGET_PREFIX}gcc-ar"
+CMAKE_ALIGN_SYSROOT[2] = "lxqt-build-tools, -sgcc-ranlib, -S${TARGET_PREFIX}gcc-ranlib"