$NetBSD: patch-zzip_CMakeLists.txt,v 1.5 2024/06/06 11:59:31 jperkin Exp $

Fix build when "gcov" is not available.

--- zzip/CMakeLists.txt.orig	2024-06-06 11:53:41.297570014 +0000
+++ zzip/CMakeLists.txt
@@ -13,7 +13,6 @@ include ( GNUInstallDirs )
 include ( JoinPaths )
 include ( CheckVerboseSymlink )
 include ( CheckCCompilerFlag )
-include ( CodeCoverage )
 
 # options ###########################################################
 option(BUILD_SHARED_LIBS "Build a shared library" ON)
@@ -140,6 +139,7 @@ if(FORTIFY)
 endif()
 
 if(COVERAGE)
+include ( CodeCoverage )
 append_coverage_compiler_flags()
 endif()