Fix up location of library files and provide default values for CMAKE_ZLIBRARY_INSTALL_PREFIX

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

CMakeLists.txt

@@ -41,8 +41,25 @@ include( TDESetupPaths )
 tde_setup_paths( )
 
 
+##### 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 )
+
+
 ##### zlibrary-tqt paths
 
+_tde_internal_setup_path(
+  CMAKE_ZLIBRARY_INSTALL_PREFIX "/usr"
+  "Base directory for zlibrary-tqt files"
+)
+
 _tde_internal_setup_path(
   ZL_SHARE_INSTALL_PREFIX "${CMAKE_ZLIBRARY_INSTALL_PREFIX}/share/zlibrary-tqt"
   "Base directory for zlibrary-tqt files which go to share"
@@ -54,7 +71,7 @@ _tde_internal_setup_path(
 )
 
 _tde_internal_setup_path(
-  ZL_LIB_INSTALL_DIR "${CMAKE_ZLIBRARY_INSTALL_PREFIX}/lib${LIB_SUFFIX}"
+  ZL_LIB_INSTALL_DIR "${CMAKE_ZLIBRARY_INSTALL_PREFIX}/${SYSTEM_LIBDIR}"
   "Base directory for zlibrary-tqt lib files"
 )
 

debian/libzlcore-tqt-dev.install

@@ -1,2 +1,2 @@
 /usr/include/zlibrary-tqt/core
-/usr/lib/libzlcore-tqt.so
+/usr/lib/x86_64-linux-gnu/libzlcore-tqt.so

debian/libzlcore-tqt.install

@@ -1 +1 @@
-/usr/lib/libzlcore-tqt.so.*
+/usr/lib/x86_64-linux-gnu/libzlcore-tqt.so.*

debian/libzltext-tqt-dev.install

@@ -1,2 +1,2 @@
 /usr/include/zlibrary-tqt/text
-/usr/lib/libzltext-tqt.so
+/usr/lib/x86_64-linux-gnu/libzltext-tqt.so

debian/libzltext-tqt.install

@@ -1 +1 @@
-/usr/lib/libzltext-tqt.so.*
+/usr/lib/x86_64-linux-gnu/libzltext-tqt.so.*