cmake : Define library suffix in case of 64 bits multilib archs in linux

Install library using cmake defined library directories. Install python
packages using cmake defined library directories

Signed-off-by: Helio Chisisni de Castro <helio@kde.org>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

CMakeLists.txt

@@ -14,6 +14,10 @@ message (INFO " found libmraa version: ${MRAA_VERSION}")
 
 # Appends the cmake/modules path to MAKE_MODULE_PATH variable.
 set (CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules ${CMAKE_MODULE_PATH})
+set (LIB_INSTALL_DIR "lib${LIB_SUFFIX}" CACHE PATH "Installation path for libraries")
+
+# Set CMAKE_LIB_INSTALL_DIR if not defined
+include(GNUInstallDirs)
 
 # Make a version file containing the current version from git.
 include (GetGitRevisionDescription)

src/CMakeLists.txt

@@ -27,7 +27,7 @@ macro(upm_SWIG_PYTHON)
      )
     install (FILES ${CMAKE_CURRENT_BINARY_DIR}/_pyupm_${libname}.so
          ${CMAKE_CURRENT_BINARY_DIR}/pyupm_${libname}.py
-         DESTINATION lib/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/site-packages/
+         DESTINATION ${CMAKE_INSTALL_LIBDIR}/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/site-packages/
          COMPONENT ${libname})
   endif()
 endmacro()
@@ -114,7 +114,7 @@ macro(upm_module_init)
   if (BUILDDOC)
     upm_doxygen()
   endif()
-  install (TARGETS ${libname} DESTINATION lib COMPONENT ${libname})
+  install(TARGETS ${libname} DESTINATION ${CMAKE_INSTALL_LIBDIR} LIBRARY DESTINATION ${CMAKE_INSTALL_FULL_LIBDIR} )
   install (FILES ${module_h} DESTINATION include/upm COMPONENT ${libname})
 
   if (IPK)