Merge pull request #3 from mtgto/use-mcrc

Use compiler flags -mcrc

Package.swift

@@ -100,7 +100,7 @@ let package = Package(
             ],
             cSettings: [
                 // .define("_SZ_ALLOC_DEBUG") // if you want to debug alloc/free operations to stderr.
-                .unsafeFlags(["-march=armv8+crc"], .when(platforms: [.iOS]))
+                .unsafeFlags(["-mcrc"], .when(platforms: [.iOS]))
             ]
         ),
         .testTarget(

README.md

@@ -6,6 +6,11 @@ A tiny Swift library to extract 7zip archive using [LZMA SDK v23.01](https://www
 
 - [x] Extract a file from 7z archive file to memory
 
+## Requirements
+
+- iOS 13+
+- macOS 10.15+
+
 ## Not supported features
 
 - Extract encrypted files
@@ -30,6 +35,8 @@ let data = try archive.extract(entry: entry)
 
 Add `https://github.com/mtgto/SevenZip.swift` to your Package.swift.
 
+**IMPORTANT NOTE**: If you are using this library, you must specify git revision, not by version. See [#1 comment](https://github.com/mtgto/SevenZip.swift/issues/1#issuecomment-1690084540) for details.
+
 ## Related projects
 
 - [PLzmaSDK](https://github.com/OlehKulykov/PLzmaSDK)