cmake: Install the library to the default system location.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 1382f3ddb7)

CMakeLists.txt

@@ -25,6 +25,7 @@ include( CheckIncludeFile       )
 include( CheckLibraryExists     )
 include( CheckCSourceCompiles   )
 include( CheckCXXSourceCompiles )
+include( GNUInstallDirs OPTIONAL )
 
 
 #### include our cmake modules
@@ -35,6 +36,9 @@ include( TDEMacros )
 
 ##### setup install paths
 
+if( CMAKE_INSTALL_LIBDIR )
+  tde_setup_install_path( LIB_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}" )
+endif()
 include( TDESetupPaths )
 tde_setup_paths( )
 

ConfigureChecks.cmake

@@ -58,15 +58,3 @@ execute_process(
 )
 set( TQT_INCLUDES_DIR ${_includedir} )
 message( STATUS "TQT include directory: ${TQT_INCLUDES_DIR}" )
-
-
-##### Look for tqt3 libraries location
-
-execute_process(
-    COMMAND ${PKG_CONFIG_EXECUTABLE} tqt-mt --variable=libdir
-    OUTPUT_VARIABLE _libdir
-    RESULT_VARIABLE _result
-    OUTPUT_STRIP_TRAILING_WHITESPACE
-)
-set( TQT_LIBDIR ${_libdir} )
-message( STATUS "TQT libraries directory: ${TQT_LIBDIR}" )