Fix detection of LZMA without pkgconfig file

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

CMakeLists.txt

@@ -604,8 +604,19 @@ endif( BZIP2_NEED_PREFIX )
 if( WITH_LZMA )
   pkg_search_module( LZMA liblzma )
   if( NOT LZMA_FOUND )
-    tde_message_fatal( "LZMA are requested, but not found on your system" )
+    find_path( LZMA_INCLUDE_DIR lzma.h )
+    find_library( LZMA_LIBRARY lzma )
+    if( LZMA_LIBRARY AND LZMA_INCLUDE_DIR )
+      message( STATUS "Found LZMA: ${LZMA_LIBRARY}" )
+      set( LZMA_FOUND 1 )
+      set( LZMA_INCLUDE_DIRS ${LZMA_INCLUDE_DIR} )
+      set( LZMA_LIBRARIES lzma )
+    endif( LZMA_LIBRARY AND LZMA_INCLUDE_DIR )
   endif( NOT LZMA_FOUND )
+  check_library_exists( lzma lzma_code "" LZMA_CODE_FOUND )
+  if( NOT LZMA_FOUND OR NOT LZMA_CODE_FOUND )
+    tde_message_fatal( "LZMA is requested, but not found on your system" )
+  endif( NOT LZMA_FOUND OR NOT LZMA_CODE_FOUND )
   set( HAVE_XZ_SUPPORT 1 )
 endif( WITH_LZMA )