--- CMakeLists.txt.orig	2021-01-15 10:48:52 UTC
+++ CMakeLists.txt
@@ -35,4 +35,10 @@ if (WSLAY_CONFIGURE_INSTALL)
 	configure_file(wslay-config.cmake.in wslay-config.cmake @ONLY)
 	install(FILES ${CMAKE_CURRENT_BINARY_DIR}/wslay-config.cmake
 		DESTINATION ${INSTALL_CMAKE_DIR})
+
+	set(INSTALL_LIB_DIR ${CMAKE_INSTALL_PREFIX}/lib)
+	set(INSTALL_INC_DIR ${CMAKE_INSTALL_PREFIX}/include)
+	configure_file(wslay.pc.cmake.in libwslay.pc @ONLY)
+	set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files")
+	install(FILES ${CMAKE_BINARY_DIR}/libwslay.pc DESTINATION "${INSTALL_PKGCONFIG_DIR}")
 endif()