libzip: enable zstd

CMakeLists.txt

@@ -619,14 +619,18 @@ if(NOT MINIUPNP_FOUND)
 endif()
 
 if(NOT LIBZIP_FOUND OR NINTENDO_SWITCH)
+	cmake_policy(SET CMP0026 OLD)
+	set(zstd_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/core/deps/libchdr/deps/zstd-1.5.6/lib")
+	get_target_property(zstd_STATIC_LIBRARY libzstd_static LOCATION)
+
 	option(ENABLE_COMMONCRYPTO "Enable use of CommonCrypto" OFF)
 	option(ENABLE_GNUTLS "Enable use of GnuTLS" OFF)
 	option(ENABLE_MBEDTLS "Enable use of mbed TLS" OFF)
 	option(ENABLE_OPENSSL "Enable use of OpenSSL" OFF)
 	option(ENABLE_WINDOWS_CRYPTO "Enable use of Windows cryptography libraries" OFF)
 	option(ENABLE_BZIP2 "Enable use of BZip2" OFF)
 	option(ENABLE_LZMA "Enable use of LZMA" OFF)
-	option(ENABLE_ZSTD "Enable use of Zstandard" OFF)
+	option(ENABLE_ZSTD "Enable use of Zstandard" ON)
 	option(BUILD_TOOLS "Build tools in the src directory (zipcmp, zipmerge, ziptool)" OFF)
 	option(BUILD_REGRESS "Build regression tests" OFF)
 	option(BUILD_EXAMPLES "Build examples" OFF)