dnl We aim to remove this eventually, since we should test as much as
dnl possible with the compiler which will use the functions (JMarc)
AC_LANG_PUSH(C)
-AC_CHECK_FUNCS(close _close getpid _getpid lstat mkfifo mkstemp mktemp open _open pclose _pclose popen _popen readlink)
+AC_CHECK_FUNCS(chmod close _close getpid _getpid lstat mkfifo mkstemp mktemp open _open pclose _pclose popen _popen readlink)
AC_LANG_POP(C)
LYX_CHECK_SPELL_ENGINES