Sync changes from upstream repository

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zlib/CMakeLists.txt

@@ -0,0 +1,49 @@
+cmake_minimum_required (VERSION 3.4)
+project( zlib C)
+
+
+set( INCLUDE_DIRS
+.
+)
+
+set( PROJECT_HEADERS
+crc32.h
+deflate.h
+inffast.h
+inffixed.h
+inflate.h
+inftrees.h
+trees.h
+zconf.h
+zlib.h
+zutil.h
+)
+
+set( SOURCES
+adler32.c
+compress.c
+crc32.c
+deflate.c
+infback.c
+inffast.c
+inflate.c
+inftrees.c
+trees.c
+uncompr.c
+zutil.c
+)
+set(CMAKE_POSITION_INDEPENDENT_CODE ON) # -fPIC
+add_library( zlib STATIC
+${SOURCES}
+${PROJECT_HEADERS}
+${RESOURCES}
+)
+target_compile_definitions(zlib PRIVATE Z_PREFIX MY_ZCALLOC)
+
+target_include_directories( zlib
+   PUBLIC
+.
+)
+
+install( TARGETS zlib DESTINATION "lib")
+install( FILES DESTINATION "include/zlib")