Fix detection of older Heimdal versions

because paths may be inaccurate in pkg-config.

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

ConfigureChecks.cmake

@@ -49,22 +49,43 @@ if( NOT KRB5_FOUND)
     COMMAND ${KRB5_CONFIG_EXECUTABLE} --libs
     OUTPUT_VARIABLE KRB5_LIBRARIES
     ERROR_VARIABLE KRB5_LIBRARIES
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    ERROR_STRIP_TRAILING_WHITESPACE
   )
   execute_process(
     COMMAND ${KRB5_CONFIG_EXECUTABLE} --cflags
     OUTPUT_VARIABLE KRB5_INCLUDE_DIRS
     ERROR_VARIABLE KRB5_INCLUDE_DIRS
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    ERROR_STRIP_TRAILING_WHITESPACE
   )
   if( NOT "${KRB5_LIBRARIES}" STREQUAL "" )
     set( KRB5_FOUND 1 )
   endif( )
 endif( )
 
-find_file( KRB5_ASN1_H
+find_path( HEIMDAL_INCLUDEDIR
     NAMES krb5_asn1.h
-    HINTS ${KRB5_INCLUDE_DIRS}
+    HINTS ${KRB5_INCLUDE_DIRS} ${KRB5_INCLUDEDIR} /usr/include
+    PATH_SUFFIXES "heimdal"
 )
-if( "${KRB5_ASN1_H}" STREQUAL "KRB5_ASN1_H-NOTFOUND" )
+if( NOT "${HEIMDAL_INCLUDEDIR}" STREQUAL "${KRB5_INCLUDEDIR}" )
+  # fix Heimdal include dirs
+  set( KRB5_INCLUDE_DIRS "${HEIMDAL_INCLUDEDIR}" )
+endif( )
+
+find_path( HEIMDAL_LIBDIR
+    NAMES libhdb.so
+    HINTS ${KRB5_LIBRARY_DIRS} ${KRB5_LIBDIR} /usr/lib
+    PATH_SUFFIXES "heimdal"
+)
+if( NOT "${HEIMDAL_LIBDIR}" STREQUAL "${KRB5_LIBDIR}" )
+  # fix Heimdal library dirs
+  set( KRB5_LIBRARY_DIRS "${HEIMDAL_LIBDIR}" )
+endif( )
+
+if( "${HEIMDAL_INCLUDEDIR}" STREQUAL "HEIMDAL_INCLUDEDIR-NOTFOUND" OR
+    "${HEIMDAL_LIBDIR}" STREQUAL "HEIMDAL_LIBDIR-NOTFOUND" )
     tde_message_fatal( "Heimdal Kerberos is required, but was not found on our system" )
 endif( )