# TODO: some of these may be conditional
dep_zlib = dependency('zlib', version : '>= 1.2.3', fallback : ['zlib', 'zlib_dep'])
pre_args += '-DHAVE_ZLIB'
+
+_zstd = get_option('zstd')
+if _zstd != 'false'
+ dep_zstd = dependency('libzstd', required : _zstd == 'true')
+ if dep_zstd.found()
+ pre_args += '-DHAVE_ZSTD'
+ endif
+else
+ dep_zstd = null_dep
+endif
+
dep_thread = dependency('threads')
if dep_thread.found() and host_machine.system() != 'windows'
pre_args += '-DHAVE_PTHREAD'