$NetBSD: patch-CMakeLists.txt,v 1.1 2025/09/14 10:14:43 adam Exp $

${install_pkgconfdir} should already contain ${CMAKE_INSTALL_PREFIX}.

--- CMakeLists.txt.orig	2025-08-25 19:30:21.000000000 +0000
+++ CMakeLists.txt
@@ -204,14 +204,14 @@ if(NOT_SUBPROJECT)
          set(lib_name "$<TARGET_FILE_BASE_NAME:Catch2>")
          configure_file(
            "${impl_pc_file}"
-           "${DESTDIR_PREFIX}${CMAKE_INSTALL_PREFIX}/${install_pkgconfdir}/catch2.pc"
+           "${DESTDIR_PREFIX}/${install_pkgconfdir}/catch2.pc"
            @ONLY
          )
 
          set(lib_name "$<TARGET_FILE_BASE_NAME:Catch2WithMain>")
          configure_file(
            "${main_pc_file}"
-           "${DESTDIR_PREFIX}${CMAKE_INSTALL_PREFIX}/${install_pkgconfdir}/catch2-with-main.pc"
+           "${DESTDIR_PREFIX}/${install_pkgconfdir}/catch2-with-main.pc"
            @ONLY
          )
        ]]