cmake: Install libraries to DATADIR from GNUInstallDirs

This moves default installation location to /usr/share to match libclc.pc.
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewer: Tom Stellard

llvm-svn: 350565

Author: jvesely

libclc/CMakeLists.txt

@@ -1,6 +1,7 @@
 cmake_minimum_required( VERSION 3.9.2 )
 
 project( libclc VERSION 0.2.0 LANGUAGES CXX )
+include( GNUInstallDirs )
 
 # List of all targets
 set( LIBCLC_TARGETS_ALL
@@ -145,16 +146,16 @@ endif()
 
 # pkg-config file
 configure_file( libclc.pc.in libclc.pc @ONLY )
-install( FILES ${CMAKE_CURRENT_BINARY_DIR}/libclc.pc DESTINATION share/pkgconfig )
-install( DIRECTORY generic/include/clc DESTINATION include )
+install( FILES ${CMAKE_CURRENT_BINARY_DIR}/libclc.pc DESTINATION ${CMAKE_INSTALL_DATADIR}/pkgconfig )
+install( DIRECTORY generic/include/clc DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} )
 
 if( ENABLE_RUNTIME_SUBNORMAL )
 	add_library( subnormal_use_default STATIC
 		generic/lib/subnormal_use_default.ll )
 	add_library( subnormal_disable STATIC
 		generic/lib/subnormal_disable.ll )
 	install( TARGETS subnormal_use_default subnormal_disable ARCHIVE
-		DESTINATION lib/clc )
+		DESTINATION ${CMAKE_INSTALL_DATADIR}/clc )
 endif()
 
 find_program( PYTHON python )
@@ -274,7 +275,7 @@ foreach( t ${LIBCLC_TARGETS_TO_BUILD} )
 				            prepare_builtins )
 		add_custom_target( "prepare-${obj_suffix}" ALL
 		                   DEPENDS "${obj_suffix}" )
-		install( FILES ${CMAKE_CURRENT_BINARY_DIR}/${obj_suffix} DESTINATION lib/clc )
+		install( FILES ${CMAKE_CURRENT_BINARY_DIR}/${obj_suffix} DESTINATION ${CMAKE_INSTALL_DATADIR}/clc )
 		# nvptx-- targets don't include workitem builtins
 		if( NOT ${t} MATCHES ".*ptx.*--$" )
 			add_test( NAME external-calls-${obj_suffix}
@@ -292,7 +293,7 @@ foreach( t ${LIBCLC_TARGETS_TO_BUILD} )
 					   create_symlink ${obj_suffix}
 					   ${alias_suffix}
 			                   DEPENDS "prepare-${obj_suffix}" )
-			install( FILES ${CMAKE_CURRENT_BINARY_DIR}/${alias_suffix} DESTINATION lib/clc )
+			install( FILES ${CMAKE_CURRENT_BINARY_DIR}/${alias_suffix} DESTINATION ${CMAKE_INSTALL_DATADIR}/clc )
 		endforeach( a )
 	endforeach( d )
 endforeach( t )

libclc/libclc.pc.in

@@ -1,5 +1,5 @@
-includedir=@CMAKE_INSTALL_PREFIX@/include
-libexecdir=@CMAKE_INSTALL_PREFIX@/lib/clc
+includedir=@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@
+libexecdir=@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_DATADIR@/clc
 
 Name: libclc
 Description: Library requirements of the OpenCL C programming language