Initial commit

cmake/Modules/FindZstd.cmake

@@ -0,0 +1,25 @@
+mark_as_advanced(ZSTD_LIBRARY ZSTD_INCLUDE_DIR)
+
+find_path(ZSTD_INCLUDE_DIR NAMES zstd.h)
+
+find_library(ZSTD_LIBRARY NAMES zstd)
+
+if(ZSTD_INCLUDE_DIR AND ZSTD_LIBRARY)
+	# Check that the API we use exists
+	include(CheckSymbolExists)
+	unset(HAVE_ZSTD_INITCSTREAM CACHE)
+	set(CMAKE_REQUIRED_INCLUDES ${ZSTD_INCLUDE_DIR})
+	set(CMAKE_REQUIRED_LIBRARIES ${ZSTD_LIBRARY})
+	check_symbol_exists(ZSTD_initCStream zstd.h HAVE_ZSTD_INITCSTREAM)
+	unset(CMAKE_REQUIRED_INCLUDES)
+	unset(CMAKE_REQUIRED_LIBRARIES)
+
+	if(NOT HAVE_ZSTD_INITCSTREAM)
+		unset(ZSTD_INCLUDE_DIR CACHE)
+		unset(ZSTD_LIBRARY CACHE)
+	endif()
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Zstd DEFAULT_MSG ZSTD_LIBRARY ZSTD_INCLUDE_DIR)
+