Fix heimdal detection on multiarch systems

in case the pkg-config file is not available.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

ConfigureChecks.cmake

@@ -26,6 +26,18 @@ if( WITH_GCC_VISIBILITY )
 endif( WITH_GCC_VISIBILITY )
 
 
+##### get the system's default path for libraries
+
+tde_save_and_set( CMAKE_INSTALL_PREFIX "/usr" )
+include( GNUInstallDirs OPTIONAL )
+if( CMAKE_INSTALL_LIBDIR )
+  set( SYSTEM_LIBDIR "${CMAKE_INSTALL_LIBDIR}" )
+else( )
+  set( SYSTEM_LIBDIR "lib${LIB_SUFFIX}" )
+endif( )
+tde_restore( CMAKE_INSTALL_PREFIX )
+
+
 ##### check for ldap
 
 find_library( HAVE_LIBLDAP ldap )
@@ -76,7 +88,9 @@ endif( )
 
 find_path( HEIMDAL_LIBDIR
     NAMES libhdb.so
-    HINTS ${KRB5_LIBRARY_DIRS} ${KRB5_LIBDIR} /usr/lib
+    HINTS
+      ${KRB5_LIBRARY_DIRS} ${KRB5_LIBDIR}
+      /usr/${SYSTEM_LIBDIR} /usr/local/${SYSTEM_LIBDIR}
     PATH_SUFFIXES "heimdal"
 )
 if( NOT "${HEIMDAL_LIBDIR}" STREQUAL "${KRB5_LIBDIR}" )