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Autoconf Macro: sg_afs
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<a href="http://autoconf-archive.cryp.to/sg_afs.m4">Download M4
Source</a>
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<hr>
<h1>
sg_afs
</h1>
<h2>
Synopsis
</h2>
<p class="indent" style="white-space:nowrap;">
<code>SG_AFS</code>
</p>
<h2>
Description
</h2>
<div class="indent">
<p>
This sets up the proper includes and libs needed for building programs that
link with AFS. It adds a --with-afsdir option that lets you specify where
the AFS includes and libs are (defaulting to /usr/afsws).
</p>
<p>
It also adds the -I and -L options to CPPFLAGS and LDFLAGS
</p>
<p>
It creates an AC_SUBST(AFSWS) that contains the directory being used.
</p>
<p>
It checks for -lBSD, -lsocket and -lnsl since AFS needs those if they
exist. It also adds -R/usr/ucblib -L/usr/ucblib -lucb if on Solaris.
</p>
<p>
It sets VICE_ETC_PATH to be the directory where /usr/vice/etc lives, since
AFS 3.4 uses a different define than AFS 3.5 does for that path.
</p>
<p>
Finally, it defines AFS_int32 to be the in32 type needed. In older versions
of afs it was 'int32', and in newer versions it's 'afs_int32'.
</p>
</div>
<h2>
Author
</h2>
<p class="indent">
Scott Grosch <Scott.Grosch@intel.com>
</p>
<h2>
Last Modified
</h2>
<p class="indent">
2003-10-29
</p>
<h2>
M4 Source Code
</h2>
<div class="indent">
<pre class="m4source">
AC_DEFUN([SG_AFS],
[AC_ARG_WITH(afsdir, AC_HELP_STRING([--with-afsdir=DIR],
[Directory holding AFS includes/libs]),
sg_cv_with_afsdir=$withval)
AC_CACHE_CHECK([for location of AFS directory],
sg_cv_with_afsdir, sg_cv_with_afsdir=/usr/afsws)
CPPFLAGS="-I${sg_cv_with_afsdir}/include $CPPFLAGS"
LDFLAGS="-L${sg_cv_with_afsdir}/lib -L${sg_cv_with_afsdir}/lib/afs $LDFLAGS"
dnl Once we specify a directory, we try to link a test program. If the link
dnl works, we store the value of the directory in a cache variable. If not,
dnl we put _FAILED_ in the cache value. In this way we don't try to link
dnl the test program if our afsdir value was cached, as we know it works.
AC_MSG_CHECKING([whether the specified AFS dir looks valid])
if test "x${sg_cv_afsdir_link_works:-set}" != "x$sg_cv_with_afsdir"; then
save_LIBS="$LIBS"
LIBS="$save_LIBS -lcmd"
AC_TRY_LINK([#include <afs/cmd.h>],
[cmd_CreateAlias((struct cmd_syndesc *)0, "foo")],
sg_cv_afsdir_link_works=$sg_cv_with_afsdir,
sg_cv_afsdir_link_works=_FAILED_)
LIBS="$save_LIBS"
wasCached=""
else
wasCached="(cached)"
fi
if test "x$sg_cv_afsdir_link_works" = "x$sg_cv_with_afsdir"; then
AC_MSG_RESULT([${wasCached} yes])
else
AC_MSG_RESULT([no])
AC_MSG_ERROR([Unable to link test program....bad AFS dir specified?])
fi
dnl Much easier to use in XXX.in files
AFSWS=$sg_cv_with_afsdir
AC_SUBST(AFSWS)
dnl Linking against AFS always needs these
AC_CHECK_LIB(BSD, signal)
AC_CHECK_LIB(socket, getservbyname)
AC_CHECK_LIB(nsl, gethostbyname)
dnl On Solaris is just always needs the -lucb library from the compatibility
dnl area. I can't think of any other way to do this than just hardcode it.
AC_CANONICAL_HOST
case "$host" in
*-*-solaris*)
LDFLAGS="-L/usr/ucblib -R/usr/ucblib $LDFLAGS"
LIBS="-lucb $LIBS"
;;
esac
dnl And it always needs these libs added
LIBS="$LIBS -lacl -lvolser -lvldb -lprot -lkauth -lauth -lrxkad -lubik ${sg_cv_with_afsdir}/lib/afs/vlib.a -ldir ${sg_cv_with_afsdir}/lib/afs/util.a -lsys -lafsint -lrx -lsys -ldes -lcom_err -llwp -lcmd -laudit"
dnl This really should be AC_CHECK_LIB() but that always fails for some reason
if test -f "${sg_cv_with_afsdir}/lib/afs/libaudit.a"; then
LIBS="$LIBS -laudit"
fi
dnl If dirpath.h exists and has the value, use that. Otherwise don't
AC_CHECK_HEADERS(afs/dirpath.h,
[AC_DEFINE(VICE_ETC_PATH, AFSDIR_CLIENT_ETC_DIRPATH)],
[AC_DEFINE(VICE_ETC_PATH, AFSCONF_CLIENTNAME)])
dnl Find out if we should use afs_int32 or int32. They changed the
dnl type across AFS versions.
AC_CACHE_CHECK([for AFS int32 type], ac_cv_type_int32,
[AC_EGREP_CPP(dnl
changequote(<<,>>)dnl
<<(^|[^a-zA-Z_0-9])afs_int32[^a-zA-Z_0-9]>>dnl
changequote([,]), [#include <afs/stds.h>
], ac_cv_type_int32=afs_int32, ac_cv_type_int32=int32)])
AC_DEFINE_UNQUOTED(AFS_int32, $ac_cv_type_int32)
AH_TEMPLATE([VICE_ETC_PATH],
[Define this to be the define used in the AFS header for /usr/vice/etc])
AH_TEMPLATE([AFS_int32], [Define this to be the type AFS uses for int32])
])dnl
</pre>
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