From fe856aa957978504137c1d425815d4ed8a22be40 Mon Sep 17 00:00:00 2001 From: Ton Voon Date: Wed, 24 Jan 2007 22:47:25 +0000 Subject: Sync with gnulib - lots of extraneous code removed in preference to GNU code git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1580 f882894a-f735-0410-b71e-b25c423dba1c --- gl/m4/unistd_h.m4 | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 gl/m4/unistd_h.m4 (limited to 'gl/m4/unistd_h.m4') diff --git a/gl/m4/unistd_h.m4 b/gl/m4/unistd_h.m4 new file mode 100644 index 00000000..9d499dfe --- /dev/null +++ b/gl/m4/unistd_h.m4 @@ -0,0 +1,32 @@ +# unistd_h.m4 serial 3 +dnl Copyright (C) 2006 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. + +dnl Written by Simon Josefsson + +AC_DEFUN([gl_HEADER_UNISTD], +[ + AC_CHECK_HEADERS([unistd.h], [ + UNISTD_H='' + ], [ + UNISTD_H='unistd.h' + ]) + AC_SUBST(UNISTD_H) + dnl This module decides to build unistd.h if it is missing. + dnl The fchdir module decides to build unistd.h if fchdir() is missing. + dnl Therefore check for the prerequisites of lib/unistd.h always. + gl_PREREQ_UNISTD +]) + +dnl Prerequisites of lib/unistd.h. +AC_DEFUN([gl_PREREQ_UNISTD], +[ + AC_CHECK_HEADERS_ONCE([unistd.h]) + if test $ac_cv_header_unistd_h = yes; then + gl_ABSOLUTE_HEADER([unistd.h]) + ABSOLUTE_UNISTD_H=\"$gl_cv_absolute_unistd_h\" + fi + AC_SUBST([ABSOLUTE_UNISTD_H]) +]) -- cgit v1.2.3-74-g34f1