From 54a073b42e60f710d4f81218f03ff011b32a5002 Mon Sep 17 00:00:00 2001
From: assiduous <assiduous@diligentgraphics.com>
Date: Tue, 14 Jul 2020 18:52:39 -0700
Subject: Added optional MiniZip library

---
 ThirdParty/zlib-1.2.8/CMakeLists.txt | 49 ++++++++++++++++++++++++++++++++----
 1 file changed, 44 insertions(+), 5 deletions(-)

diff --git a/ThirdParty/zlib-1.2.8/CMakeLists.txt b/ThirdParty/zlib-1.2.8/CMakeLists.txt
index ce4b208..968865e 100644
--- a/ThirdParty/zlib-1.2.8/CMakeLists.txt
+++ b/ThirdParty/zlib-1.2.8/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required (VERSION 3.6)
 
 project(ZLib C)
 
-set(SOURCE 
+set(ZLIB_SOURCE 
     adler32.c
     compress.c
     crc32.c
@@ -20,7 +20,7 @@ set(SOURCE
     zutil.c
 )
 
-set(INCLUDE 
+set(ZLIB_INCLUDE 
     crc32.h
     deflate.h
     gzguts.h
@@ -34,7 +34,7 @@ set(INCLUDE
     zutil.h
 )
 
-add_library(ZLib STATIC ${SOURCE} ${INCLUDE})
+add_library(ZLib STATIC ${ZLIB_SOURCE} ${ZLIB_INCLUDE})
 set_common_target_properties(ZLib)
 
 target_link_libraries(ZLib PRIVATE Diligent-BuildSettings)
@@ -58,9 +58,48 @@ endif()
 
 target_include_directories(ZLib PUBLIC .)
 
-source_group("src" FILES ${SOURCE})
-source_group("include" FILES ${INCLUDE})
+source_group("src" FILES ${ZLIB_SOURCE})
+source_group("include" FILES ${ZLIB_INCLUDE})
 
 set_target_properties(ZLib PROPERTIES
     FOLDER DiligentTools/ThirdParty
 )
+
+
+option(ZLIB_BUILD_MINIZIP "Build minizip library" OFF)
+if(${ZLIB_BUILD_MINIZIP})
+    set(MINIZIP_SOURCE
+       contrib/minizip/ioapi.c
+       contrib/minizip/iowin32.c
+       contrib/minizip/mztools.c
+       contrib/minizip/unzip.c
+       contrib/minizip/zip.c
+    )
+    set(MINIZIP_INCLUDE
+       contrib/minizip/crypt.h
+       contrib/minizip/ioapi.h
+       contrib/minizip/iowin32.h
+       contrib/minizip/mztools.h
+       contrib/minizip/unzip.h
+       contrib/minizip/zip.h
+    )
+
+    add_library(MiniZip STATIC ${MINIZIP_SOURCE} ${MINIZIP_INCLUDE})
+    set_common_target_properties(MiniZip)
+
+    target_link_libraries(MiniZip PRIVATE Diligent-BuildSettings PUBLIC ZLib)
+
+    if(MSVC)
+        target_compile_definitions(MiniZip PRIVATE -D_CRT_SECURE_NO_DEPRECATE)
+        target_compile_options(MiniZip PRIVATE /W3 /wd4131 /wd4189 /wd4456 /wd4244 /wd4701 /wd4703)
+    endif()
+
+    target_include_directories(MiniZip PUBLIC contrib/minizip/)
+
+    source_group("src" FILES ${MINIZIP_SOURCE})
+    source_group("include" FILES ${MINIZIP_INCLUDE})
+
+    set_target_properties(MiniZip PROPERTIES
+        FOLDER DiligentTools/ThirdParty
+    )
+endif()
-- 
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