#serial 4 dnl Copyright (C) 2002, 2005 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_UNISTD_SAFER], [ AC_LIBSOURCES([dup-safer.c, fd-safer.c, unistd-safer.h]) AC_LIBOBJ([dup-safer]) AC_LIBOBJ([fd-safer]) gl_PREREQ_DUP_SAFER gl_PREREQ_FD_SAFER ]) # Prerequisites of lib/dup-safer.c. AC_DEFUN([gl_PREREQ_DUP_SAFER], [ AC_CHECK_HEADERS_ONCE(unistd.h) ]) # Prerequisites of lib/fd-safer.c. AC_DEFUN([gl_PREREQ_FD_SAFER], [ AC_CHECK_HEADERS_ONCE(unistd.h) ])