--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -732 +732 @@
-            DESTINATION "lib/pkgconfig"
+            DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig"
--- a/cmake/SlangTarget.cmake
+++ b/cmake/SlangTarget.cmake
@@ -717 +717 @@
-set(library_subdir lib)
+set(library_subdir ${CMAKE_INSTALL_LIBDIR})
--- a/extras/pkgconfig/slang-compiler.pc.in
+++ b/extras/pkgconfig/slang-compiler.pc.in
@@ -3 +3 @@
-libdir=${prefix}/lib
+libdir=${prefix}/@CMAKE_INSTALL_LIBDIR@
--- a/source/slang/CMakeLists.txt
+++ b/source/slang/CMakeLists.txt
@@ -502,2 +502,2 @@
-        ARCHIVE DESTINATION lib
-        LIBRARY DESTINATION lib
+        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
--- a/source/standard-modules/CMakeLists.txt
+++ b/source/standard-modules/CMakeLists.txt
@@ -22 +22 @@
-    set(slang_library_dir "lib")
+    set(slang_library_dir ${CMAKE_INSTALL_LIBDIR})