dolphin: align cmake by using cmake-lib

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

recipes-kde/apps/dolphin/dolphin.bb

@@ -5,7 +5,7 @@ LIC_FILES_CHKSUM = " \
     file://COPYING.DOC;md5=ad1419ecc56e060eccf8184a87c4285f \
 "
 
-inherit kde-apps
+inherit kde-apps cmake-lib
 
 DEPENDS += " \
     kdoctools \
@@ -49,3 +49,6 @@ FILES_${PN}-dbg += " \
     ${OE_QMAKE_PATH_PLUGINS}/.debug \
 "
 
+# cross libs / headers
+CMAKE_ALIGN_SYSROOT[1] = "DolphinVcs, -S${libdir}/lib, -S${STAGING_LIBDIR}/lib"
+CMAKE_ALIGN_SYSROOT[2] = "DolphinVcs, -S${includedir}, -S${STAGING_INCDIR}"