File 0001-Revert-Switch-to-miniz-from-zlib.patch of Package gzdoom

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File 0001-Revert-Switch-to-miniz-from-zlib.patch of Package gzdoom

From b0910739a3fe9ade92356f2ed510049ebbccbec9 Mon Sep 17 00:00:00 2001
From: Jan Engelhardt <jengelh@inai.de>
Date: Fri, 27 Oct 2023 09:01:47 +0200
Subject: [PATCH] Revert "Switch to miniz from zlib"

Index: gzdoom-g4.11.3/CMakeLists.txt
===================================================================
--- gzdoom-g4.11.3.orig/CMakeLists.txt
+++ gzdoom-g4.11.3/CMakeLists.txt
@@ -216,6 +216,7 @@ option( NO_OPENAL "Disable OpenAL sound
 
 find_package( BZip2 )
 find_package( VPX )
+find_package( ZLIB )
 find_package( WebP )
 if (NOT WebP_FOUND)
 	include(FindPkgConfig)
@@ -347,6 +348,7 @@ set( CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE
 set( CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${REL_C_FLAGS}" )
 set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${DEB_C_FLAGS} -D_DEBUG" )
 
+option(FORCE_INTERNAL_ZLIB "Use internal zlib")
 option(FORCE_INTERNAL_BZIP2 "Use internal bzip2")
 option(FORCE_INTERNAL_ASMJIT "Use internal asmjit" ON)
 mark_as_advanced( FORCE_INTERNAL_ASMJIT )
@@ -360,6 +362,16 @@ set( DRPC_INCLUDE_DIR "-I/ignore" )
 set( DRPC_LIBRARIES -ldiscord-rpc )
 set( DRPC_LIBRARY -ldiscord-rpc )
 
+if( ZLIB_FOUND AND NOT FORCE_INTERNAL_ZLIB )
+	message( STATUS "Using system zlib, includes found at ${ZLIB_INCLUDE_DIR}" )
+else()
+	message( STATUS "Using internal zlib" )
+	set( SKIP_INSTALL_ALL TRUE ) # Avoid installing zlib
+	set( ZLIB_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/libraries/zlib )
+	set( ZLIB_LIBRARIES z )
+	set( ZLIB_LIBRARY z )
+endif()
+
 if( HAVE_VM_JIT AND UNIX )
 	check_symbol_exists( "backtrace" "execinfo.h" HAVE_BACKTRACE )
 	if( NOT HAVE_BACKTRACE )
@@ -417,7 +429,6 @@ install(DIRECTORY docs/
 
 option( DYN_OPENAL "Dynamically load OpenAL" ON )
 
-add_subdirectory( libraries/miniz )
 add_subdirectory( tools )
 add_subdirectory( wadsrc )
 add_subdirectory( wadsrc_bm )
Index: gzdoom-g4.11.3/src/CMakeLists.txt
===================================================================
--- gzdoom-g4.11.3.orig/src/CMakeLists.txt
+++ gzdoom-g4.11.3/src/CMakeLists.txt
@@ -344,7 +344,7 @@ add_custom_target( revision_check ALL
 
 # required libraries
 
-set( PROJECT_LIBRARIES ${PROJECT_LIBRARIES} miniz "${BZIP2_LIBRARIES}" "${CMAKE_DL_LIBS}" "${DRPC_LIBRARIES}")
+set( PROJECT_LIBRARIES ${PROJECT_LIBRARIES} "${ZLIB_LIBRARIES}" "${BZIP2_LIBRARIES}" "${CMAKE_DL_LIBS}" "${DRPC_LIBRARIES}")
 if (HAVE_VULKAN)
 	list( APPEND PROJECT_LIBRARIES "zvulkan" )
 endif()
@@ -412,7 +412,7 @@ if (TARGET WebP::webp)
 	endif()
 endif()
 
-include_directories( SYSTEM "${BZIP2_INCLUDE_DIR}" "${LZMA_INCLUDE_DIRS}" "${ZMUSIC_INCLUDE_DIR}" "${DRPC_INCLUDE_DIR}")
+include_directories( SYSTEM "${ZLIB_INCLUDE_DIR}" "${BZIP2_INCLUDE_DIR}" "${LZMA_INCLUDE_DIRS}" "${ZMUSIC_INCLUDE_DIR}" "${DRPC_INCLUDE_DIR}")
 
 if( ${HAVE_VM_JIT} )
 	add_definitions( -DHAVE_VM_JIT )
Index: gzdoom-g4.11.3/src/common/audio/music/i_music.cpp
===================================================================
--- gzdoom-g4.11.3.orig/src/common/audio/music/i_music.cpp
+++ gzdoom-g4.11.3/src/common/audio/music/i_music.cpp
@@ -37,7 +37,7 @@
 #include <sys/wait.h>
 #endif
 
-#include <miniz.h>
+#include <zlib.h>
 
 #include <zmusic.h>
 #include "filesystem.h"
Index: gzdoom-g4.11.3/src/common/engine/serializer.cpp
===================================================================
--- gzdoom-g4.11.3.orig/src/common/engine/serializer.cpp
+++ gzdoom-g4.11.3/src/common/engine/serializer.cpp
@@ -38,7 +38,7 @@
 #define RAPIDJSON_HAS_CXX11_RANGE_FOR 1
 #define RAPIDJSON_PARSE_DEFAULT_FLAGS kParseFullPrecisionFlag
 
-#include <miniz.h>
+#include <zlib.h>
 #include "rapidjson/rapidjson.h"
 #include "rapidjson/writer.h"
 #include "rapidjson/prettywriter.h"
Index: gzdoom-g4.11.3/src/common/filesystem/source/files_decompress.cpp
===================================================================
--- gzdoom-g4.11.3.orig/src/common/filesystem/source/files_decompress.cpp
+++ gzdoom-g4.11.3/src/common/filesystem/source/files_decompress.cpp
@@ -36,7 +36,7 @@
 // Caution: LzmaDec also pulls in windows.h!
 #define NOMINMAX
 #include "LzmaDec.h"
-#include <miniz.h>
+#include <zlib.h>
 #include <bzlib.h>
 #include <algorithm>
 #include <stdexcept>
Index: gzdoom-g4.11.3/src/common/filesystem/source/filesystem.cpp
===================================================================
--- gzdoom-g4.11.3.orig/src/common/filesystem/source/filesystem.cpp
+++ gzdoom-g4.11.3/src/common/filesystem/source/filesystem.cpp
@@ -36,7 +36,7 @@
 
 // HEADER FILES ------------------------------------------------------------
 
-#include <miniz.h>
+#include <zlib.h>
 #include <stdlib.h>
 #include <ctype.h>
 #include <string.h>
Index: gzdoom-g4.11.3/src/common/filesystem/source/resourcefile.cpp
===================================================================
--- gzdoom-g4.11.3.orig/src/common/filesystem/source/resourcefile.cpp
+++ gzdoom-g4.11.3/src/common/filesystem/source/resourcefile.cpp
@@ -34,7 +34,7 @@
 **
 */
 
-#include <miniz.h>
+#include <zlib.h>
 #include "resourcefile_internal.h"
 #include "md5.hpp"
 #include "fs_stringpool.h"
Index: gzdoom-g4.11.3/src/common/models/model.cpp
===================================================================
--- gzdoom-g4.11.3.orig/src/common/models/model.cpp
+++ gzdoom-g4.11.3/src/common/models/model.cpp
@@ -25,7 +25,6 @@
 ** General model handling code
 **
 **/
-#include <stddef.h> // offsetof() macro.
 
 #include "filesystem.h"
 #include "cmdlib.h"
@@ -133,7 +132,17 @@ FTextureID LoadSkin(const char * path, c
 
 int ModelFrameHash(FSpriteModelFrame * smf)
 {
-	return crc32(0, (const unsigned char *)(&smf->type), offsetof(FSpriteModelFrame, hashnext) - offsetof(FSpriteModelFrame, type));
+	const uint32_t *table = GetCRCTable ();
+	uint32_t hash = 0xffffffff;
+
+	const char * s = (const char *)(&smf->type);	// this uses type, sprite and frame for hashing
+	const char * se= (const char *)(&smf->hashnext);
+
+	for (; s<se; s++)
+	{
+		hash = CRC1 (hash, *s, table);
+	}
+	return hash ^ 0xffffffff;
 }
 
 //===========================================================================
Index: gzdoom-g4.11.3/src/common/platform/win32/i_crash.cpp
===================================================================
--- gzdoom-g4.11.3.orig/src/common/platform/win32/i_crash.cpp
+++ gzdoom-g4.11.3/src/common/platform/win32/i_crash.cpp
@@ -68,7 +68,7 @@
 #include "i_mainwindow.h"
 
 #include <time.h>
-#include <miniz.h>
+#include <zlib.h>
 
 // MACROS ------------------------------------------------------------------
 
Index: gzdoom-g4.11.3/src/common/textures/m_png.cpp
===================================================================
--- gzdoom-g4.11.3.orig/src/common/textures/m_png.cpp
+++ gzdoom-g4.11.3/src/common/textures/m_png.cpp
@@ -36,7 +36,7 @@
 
 #include <algorithm>
 #include <stdlib.h>
-#include <miniz.h>
+#include <zlib.h>
 #include <stdint.h>
 #ifdef _MSC_VER
 #include <malloc.h>		// for alloca()
Index: gzdoom-g4.11.3/src/common/thirdparty/m_crc32.h
===================================================================
--- gzdoom-g4.11.3.orig/src/common/thirdparty/m_crc32.h
+++ gzdoom-g4.11.3/src/common/thirdparty/m_crc32.h
@@ -32,11 +32,12 @@
 **
 */
 #pragma once 
-#include <miniz.h>
+#include <zlib.h>
 #include <stdint.h>
 
-// miniz includes some CRC32 stuff, so just use that
+// zlib includes some CRC32 stuff, so just use that
 
+inline const uint32_t *GetCRCTable () { return (const uint32_t *)get_crc_table(); }
 inline uint32_t CalcCRC32 (const uint8_t *buf, unsigned int len)
 {
 	return crc32 (0, buf, len);
Index: gzdoom-g4.11.3/src/g_pch.h
===================================================================
--- gzdoom-g4.11.3.orig/src/g_pch.h
+++ gzdoom-g4.11.3/src/g_pch.h
@@ -10,7 +10,7 @@
 #include <errno.h>
 #include <ctype.h>
 #include <stdint.h>
-#include <miniz.h>
+#include <zlib.h>
 #include <new>
 #include <algorithm>
 #include <forward_list>
Index: gzdoom-g4.11.3/src/g_pch2.h
===================================================================
--- gzdoom-g4.11.3.orig/src/g_pch2.h
+++ gzdoom-g4.11.3/src/g_pch2.h
@@ -11,7 +11,7 @@
 #include <errno.h>
 #include <ctype.h>
 #include <stdint.h>
-#include <miniz.h>
+#include <zlib.h>
 #include <new>
 #include <algorithm>
 #include <sys/stat.h>
Index: gzdoom-g4.11.3/src/maploader/glnodes.cpp
===================================================================
--- gzdoom-g4.11.3.orig/src/maploader/glnodes.cpp
+++ gzdoom-g4.11.3/src/maploader/glnodes.cpp
@@ -42,7 +42,7 @@
 
 #endif
 
-#include <miniz.h>
+#include <zlib.h>
 
 #include "m_argv.h"
 #include "c_dispatch.h"
Index: gzdoom-g4.11.3/src/serializer_doom.cpp
===================================================================
--- gzdoom-g4.11.3.orig/src/serializer_doom.cpp
+++ gzdoom-g4.11.3/src/serializer_doom.cpp
@@ -38,7 +38,7 @@
 #define RAPIDJSON_HAS_CXX11_RANGE_FOR 1
 #define RAPIDJSON_PARSE_DEFAULT_FLAGS kParseFullPrecisionFlag
 
-#include <miniz.h>
+#include <zlib.h>
 #include "rapidjson/rapidjson.h"
 #include "rapidjson/writer.h"
 #include "rapidjson/prettywriter.h"
Index: gzdoom-g4.11.3/tools/zipdir/CMakeLists.txt
===================================================================
--- gzdoom-g4.11.3.orig/tools/zipdir/CMakeLists.txt
+++ gzdoom-g4.11.3/tools/zipdir/CMakeLists.txt
@@ -1,9 +1,9 @@
 cmake_minimum_required( VERSION 3.16 )
 
 if( NOT CMAKE_CROSSCOMPILING )
-	include_directories( SYSTEM "${BZIP2_INCLUDE_DIR}" "${LZMA_INCLUDE_DIRS}" )
+	include_directories( SYSTEM "${ZLIB_INCLUDE_DIR}" "${BZIP2_INCLUDE_DIR}" "${LZMA_INCLUDE_DIRS}" )
 	add_executable( zipdir
 		zipdir.c )
-	target_link_libraries( zipdir miniz ${BZIP2_LIBRARIES} ${LZMA_LDFLAGS} )
+	target_link_libraries( zipdir ${ZLIB_LIBRARIES} ${BZIP2_LIBRARIES} ${LZMA_LDFLAGS} )
 	set( CROSS_EXPORTS ${CROSS_EXPORTS} zipdir PARENT_SCOPE )
 endif()
Index: gzdoom-g4.11.3/tools/zipdir/zipdir.c
===================================================================
--- gzdoom-g4.11.3.orig/tools/zipdir/zipdir.c
+++ gzdoom-g4.11.3/tools/zipdir/zipdir.c
@@ -46,7 +46,7 @@
 #include <errno.h>
 #include <stdlib.h>
 #include <time.h>
-#include <miniz.h>
+#include "zlib.h"
 #include "bzlib.h"
 #include "LzmaEnc.h"
 #include "7zVersion.h"
Index: gzdoom-g4.11.3/vcpkg.json
===================================================================
--- gzdoom-g4.11.3.orig/vcpkg.json
+++ gzdoom-g4.11.3/vcpkg.json
@@ -28,6 +28,10 @@
     },
     "dependencies": [
         {
+            "name": "zlib",
+            "platform": "!windows | (windows & static & staticcrt)"
+        },
+        {
             "name": "bzip2",
             "platform": "!windows | (windows & static & staticcrt)"
         },

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File 0001-Revert-Switch-to-miniz-from-zlib.patch of Package gzdoom

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