Merge "Add CMakeLists.txt file for Windows x86_64 MSVC build"
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..08c8bd5
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,60 @@
+# Copyright 2021 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#
+# Build zlib for Windows x86_64 using MSVC.
+#
+
+project(libz LANGUAGES C)
+cmake_minimum_required(VERSION 3.18.1)
+
+add_library(libz STATIC
+ # Optimizations for x86-64
+ adler32_simd.c
+ crc32_simd.c
+ crc_folding.c
+ fill_window_sse.c
+
+ # Common sources
+ adler32.c
+ compress.c
+ cpu_features.c
+ crc32.c
+ deflate.c
+ gzclose.c
+ gzlib.c
+ gzread.c
+ gzwrite.c
+ infback.c
+ inffast.c
+ inflate.c
+ inftrees.c
+ trees.c
+ uncompr.c
+ zutil.c
+)
+
+target_compile_definitions(libz PRIVATE
+ # Enable optimizations: cpu_features.c will enable them at runtime using __cpuid.
+ ADLER32_SIMD_SSSE3
+ CRC32_SIMD_SSE42_PCLMUL
+ INFLATE_CHUNK_READ_64LE
+
+ X86_WINDOWS
+ ZLIB_CONST
+)
+
+set(out ${CMAKE_CURRENT_BINARY_DIR})
+configure_file(zconf.h ${out}/dist/include/zconf.h COPYONLY)
+configure_file(zlib.h ${out}/dist/include/zlib.h COPYONLY)
