File system-zlib.patch of Package zmusic

From fb399bbf345f41e385f9d864875cb0f4967ff213 Mon Sep 17 00:00:00 2001
From: Jan Engelhardt <jengelh@inai.de>
Date: Wed, 28 Aug 2024 02:48:15 +0200
Subject: [PATCH] Revert to zlib

---
 source/CMakeLists.txt     |    2 +-
 source/zmusic/zmusic.cpp  |    2 +-
 thirdparty/CMakeLists.txt |    6 +++++-
 3 files changed, 7 insertions(+), 3 deletions(-)

Index: source/CMakeLists.txt
===================================================================
--- source/CMakeLists.txt.orig
+++ source/CMakeLists.txt
@@ -128,7 +128,7 @@ if(WIN32)
 	)
 endif()
 
-target_link_libraries(zmusic-obj INTERFACE dumb gme libxmp miniz ${CMAKE_DL_LIBS})
+target_link_libraries(zmusic-obj INTERFACE dumb gme libxmp ZLIB::ZLIB ${CMAKE_DL_LIBS})
 
 target_include_directories(zmusic-obj
 INTERFACE
Index: source/zmusic/zmusic.cpp
===================================================================
--- source/zmusic/zmusic.cpp.orig
+++ source/zmusic/zmusic.cpp
@@ -36,7 +36,7 @@
 #include <stdint.h>
 #include <vector>
 #include <string>
-#include <miniz.h>
+#include <zlib.h>
 #include "m_swap.h"
 #include "zmusic_internal.h"
 #include "midiconfig.h"
Index: thirdparty/CMakeLists.txt
===================================================================
--- thirdparty/CMakeLists.txt.orig
+++ thirdparty/CMakeLists.txt
@@ -1,4 +1,8 @@
-add_subdirectory(miniz)
+find_package(ZLIB QUIET)
+message(STATUS "Using system zlib, includes found at ${ZLIB_INCLUDE_DIRS}")
+set_property(TARGET ZLIB::ZLIB PROPERTY IMPORTED_GLOBAL TRUE)
+determine_package_config_dependency(ZMUSIC_PACKAGE_DEPENDENCIES TARGET ZLIB::ZLIB MODULE ZLIB)
+
 # GME is not currently released in a way that's conducive to using as a system
 # library. Nevertheless at least one person tried, and so the ability to use a
 # system copy exists soley to placate people following distro guidelines to the