gentoo-overlay/sci-mathematics/arb/files/arb-2.18.0-multilib-strict.patch

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ec806fe..d6136a8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -136,10 +136,12 @@ if(NOT MSVC)
     target_link_libraries(arb m)
 endif()
 
+include(GNUInstallDirs)
+
 install(TARGETS arb
-            RUNTIME DESTINATION bin
-            ARCHIVE DESTINATION lib
-            LIBRARY DESTINATION lib
+            RUNTIME DESTINATION "${CMAKE_INSTALL_FULL_BINDIR}"
+            ARCHIVE DESTINATION "${CMAKE_INSTALL_FULL_LIBDIR}"
+            LIBRARY DESTINATION "${CMAKE_INSTALL_FULL_LIBDIR}"
         )
 
 foreach (FOLDER ${FOLDERS})