updated build system

CMakeLists.txt

@@ -13,6 +13,16 @@ include(CheckIncludeFileCXX)
 include(CheckIncludeFiles)
 include(ExternalProject)
 
+check_include_files(sys/xattr.h HAS_SETXATTR)
+if(HAS_SETXATTR)
+  add_definitions(-DHAS_SETXATTR)
+endif()
+
+check_include_files("wordexp.h" HAS_WORDEXP_H)
+if(HAS_WORDEXP_H)
+  add_definitions(-DHAS_WORDEXP_H)
+endif()
+
 include(cmake/versions.cmake)
 include(cmake/arch.cmake)
 include(cmake/os.cmake)