$NetBSD: patch-CMakeLists.txt,v 1.5 2023/01/30 10:35:19 wiz Exp $

Install pkg-config file on all platforms.

--- CMakeLists.txt.orig	2023-01-30 10:30:54.591650411 +0000
+++ CMakeLists.txt
@@ -187,7 +187,7 @@ configure_file(
 add_custom_target(uninstall
   COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
 
-if(${CMAKE_SYSTEM_NAME} MATCHES "Linux|FreeBSD|DragonFly|GNU" OR MINGW)
+if(${CMAKE_SYSTEM_NAME} MATCHES ".*" OR MINGW)
   set(prefix "${CMAKE_INSTALL_PREFIX}")
   set(exec_prefix "${CMAKE_INSTALL_PREFIX}")
   set(bindir "${CMAKE_INSTALL_FULL_BINDIR}")