mpack-1.6-4/cmulocal/cyrus.m4

dnl
dnl Additional macros for configure.in packaged up for easier theft.
dnl $Id: cyrus.m4,v 1.3 2002/05/25 19:57:42 leg Exp $
dnl tjs@andrew.cmu.edu 6-may-1998
dnl

dnl It would be good if ANDREW_ADD_LIBPATH could detect if something was
dnl already there and not redundantly add it if it is.

dnl add -L(arg), and possibly (runpath switch)(arg), to LDFLAGS
dnl (so the runpath for shared libraries is set).
AC_DEFUN(CMU_ADD_LIBPATH, [
  # this is CMU ADD LIBPATH
  if test "$andrew_runpath_switch" = "none" ; then
        LDFLAGS="-L$1 ${LDFLAGS}"
  else
        LDFLAGS="-L$1 $andrew_runpath_switch$1 ${LDFLAGS}"
  fi
])

dnl add -L(1st arg), and possibly (runpath switch)(1st arg), to (2nd arg)
dnl (so the runpath for shared libraries is set).
AC_DEFUN(CMU_ADD_LIBPATH_TO, [
  # this is CMU ADD LIBPATH TO
  if test "$andrew_runpath_switch" = "none" ; then
        $2="-L$1 ${$2}"
  else
        $2="-L$1 ${$2} $andrew_runpath_switch$1"
  fi
])

dnl runpath initialization
AC_DEFUN(CMU_GUESS_RUNPATH_SWITCH, [
   # CMU GUESS RUNPATH SWITCH
  AC_CACHE_CHECK(for runpath switch, andrew_runpath_switch, [
    # first, try -R
    SAVE_LDFLAGS="${LDFLAGS}"
    LDFLAGS="-R /usr/lib"
    AC_TRY_LINK([],[],[andrew_runpath_switch="-R"], [
        LDFLAGS="-Wl,-rpath,/usr/lib"
    AC_TRY_LINK([],[],[andrew_runpath_switch="-Wl,-rpath,"],
    [andrew_runpath_switch="none"])
    ])
  LDFLAGS="${SAVE_LDFLAGS}"
  ])])
1	dnl
2	dnl Additional macros for configure.in packaged up for easier theft.
3	dnl $Id: cyrus.m4,v 1.3 2002/05/25 19:57:42 leg Exp $
4	dnl tjs@andrew.cmu.edu 6-may-1998
5	dnl
6
7	dnl It would be good if ANDREW_ADD_LIBPATH could detect if something was
8	dnl already there and not redundantly add it if it is.
9
10	dnl add -L(arg), and possibly (runpath switch)(arg), to LDFLAGS
11	dnl (so the runpath for shared libraries is set).
12	AC_DEFUN(CMU_ADD_LIBPATH, [
13	# this is CMU ADD LIBPATH
14	if test "$andrew_runpath_switch" = "none" ; then
15	LDFLAGS="-L$1 ${LDFLAGS}"
16	else
17	LDFLAGS="-L$1 $andrew_runpath_switch$1 ${LDFLAGS}"
18	fi
19	])
20
21	dnl add -L(1st arg), and possibly (runpath switch)(1st arg), to (2nd arg)
22	dnl (so the runpath for shared libraries is set).
23	AC_DEFUN(CMU_ADD_LIBPATH_TO, [
24	# this is CMU ADD LIBPATH TO
25	if test "$andrew_runpath_switch" = "none" ; then
26	$2="-L$1 ${$2}"
27	else
28	$2="-L$1 ${$2} $andrew_runpath_switch$1"
29	fi
30	])
31
32	dnl runpath initialization
33	AC_DEFUN(CMU_GUESS_RUNPATH_SWITCH, [
34	# CMU GUESS RUNPATH SWITCH
35	AC_CACHE_CHECK(for runpath switch, andrew_runpath_switch, [
36	# first, try -R
37	SAVE_LDFLAGS="${LDFLAGS}"
38	LDFLAGS="-R /usr/lib"
39	AC_TRY_LINK([],[],[andrew_runpath_switch="-R"], [
40	LDFLAGS="-Wl,-rpath,/usr/lib"
41	AC_TRY_LINK([],[],[andrew_runpath_switch="-Wl,-rpath,"],
42	[andrew_runpath_switch="none"])
43	])
44	LDFLAGS="${SAVE_LDFLAGS}"
45	])])