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acsfs.m4
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dnl $Id: acinclude.m4 1754 2006-05-19 20:59:19Z max $
dnl
dnl Find full path to program
dnl
AC_DEFUN([SFS_PATH_PROG],
[AC_PATH_PROG(PATH_[]translit($1, [-a-z.], [_A-Z_]), $1,,
$2[]ifelse($2,,,:)/usr/bin:/bin:/sbin:/usr/sbin:/usr/etc:/usr/libexec:/usr/ucb:/usr/bsd:/usr/5bin:$PATH:/usr/local/bin:/usr/local/sbin:/usr/X11R6/bin)
if test "$PATH_[]translit($1, [-a-z.], [_A-Z_])"; then
AC_DEFINE_UNQUOTED(PATH_[]translit($1, [-a-z.], [_A-Z_]),
"$PATH_[]translit($1, [-a-z.], [_A-Z_])",
Full path of $1 command)
fi])
dnl
dnl File path to cpp
dnl
AC_DEFUN([SFS_PATH_CPP],
[AC_PATH_PROG(_PATH_CPP, cpp,,
/usr/ccs/bin:/usr/bin:/bin:/sbin:/usr/sbin:/usr/etc:/usr/libexec:/lib:/usr/lib:/usr/ucb:/usr/bsd:/usr/5bin:$PATH:/usr/local/bin:/usr/local/sbin:/usr/X11R6/bin)
if test -z "$_PATH_CPP"; then
if test "$GCC" = yes; then
_PATH_CPP=`$CC -print-prog-name=cpp`
else
_PATH_CPP=`gcc -print-prog-name=cpp 2> /dev/null`
fi
fi
test -x "$_PATH_CPP" || unset _PATH_CPP
if test -z "$_PATH_CPP"; then
AC_MSG_ERROR(Cannot find path for cpp)
fi
AC_DEFINE_UNQUOTED(PATH_CPP, "$_PATH_CPP",
Path for the C preprocessor command)
])
dnl
dnl How to get BSD-like df output
dnl
AC_DEFUN([SFS_PATH_DF],
[SFS_PATH_PROG(df, /usr/ucb:/usr/bsd:/usr/local/bin)
AC_CACHE_CHECK(if [$PATH_DF] needs -k for BSD-formatted output,
sfs_cv_df_dash_k,
sfs_cv_df_dash_k=no
[test "`$PATH_DF . | sed -e '2,$d;/Mounted on/d'`" \
&& test "`$PATH_DF -k . | sed -ne '2,$d;/Mounted on/p'`" \
&& sfs_cv_df_dash_k=yes])
if test $sfs_cv_df_dash_k = yes; then
AC_DEFINE(DF_NEEDS_DASH_K, 1,
Define if you must run \"df -k\" to get BSD-formatted output)
fi])
dnl
dnl Check for declarations
dnl SFS_CHECK_DECL(symbol, headers-to-try, headers-to-include)
dnl
AC_DEFUN([SFS_CHECK_DECL],
[AC_CACHE_CHECK(for a declaration of $1, sfs_cv_$1_decl,
dnl for hdr in [patsubst(builtin(shift, $@), [,], [ ])]; do
for hdr in $2; do
if test -z "${sfs_cv_$1_decl}"; then
dnl AC_HEADER_EGREP($1, $hdr, sfs_cv_$1_decl=yes)
AC_TRY_COMPILE(
patsubst($3, [\([^ ]+\) *], [#include <\1>
])[#include <$hdr>], &$1;, sfs_cv_$1_decl=yes)
fi
done
test -z "${sfs_cv_$1_decl+set}" && sfs_cv_$1_decl=no)
if test "$sfs_cv_$1_decl" = no; then
AC_DEFINE_UNQUOTED(NEED_[]translit($1, [a-z], [A-Z])_DECL, 1,
Define if system headers do not declare $1.)
fi])
dnl
dnl Check if lsof keeps a device cache
dnl
AC_DEFUN([SFS_LSOF_DEVCACHE],
[if test "$PATH_LSOF"; then
AC_CACHE_CHECK(if lsof supports a device cache, sfs_cv_lsof_devcache,
if $PATH_LSOF -h 2>&1 | fgrep -e -D > /dev/null; then
sfs_cv_lsof_devcache=yes
else
sfs_cv_lsof_devcache=no
fi)
if test "$sfs_cv_lsof_devcache" = yes; then
AC_DEFINE(LSOF_DEVCACHE, 1,
Define is lsof supports the -D option)
fi
fi])
dnl
dnl Posix time subroutine
dnl
AC_DEFUN([SFS_TIME_CHECK],
[AC_CACHE_CHECK($3, sfs_cv_time_check_$1,
AC_TRY_COMPILE([
#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#elif defined (HAVE_SYS_TIME_H)
# include <sys/time.h>
#else /* !TIME_WITH_SYS_TIME && !HAVE_SYS_TIME_H */
# include <time.h>
#endif /* !TIME_WITH_SYS_TIME && !HAVE_SYS_TIME_H */
], $2, sfs_cv_time_check_$1=yes, sfs_cv_time_check_$1=no))
if test "$sfs_cv_time_check_$1" = yes; then
AC_DEFINE($1, 1, $4)
fi])
dnl
dnl Posix time stuff
dnl
AC_DEFUN([SFS_TIMESPEC],
[AC_CHECK_HEADERS(sys/time.h)
AC_HEADER_TIME
AC_CHECK_FUNCS(clock_gettime)
SFS_TIME_CHECK(HAVE_CLOCK_GETTIME_DECL,
int (*x) () = &clock_gettime;,
for a declaration of clock_gettime,
Define if system headers declare clock_gettime.)
SFS_TIME_CHECK(HAVE_TIMESPEC,
int x = sizeof (struct timespec),
for struct timespec,
Define if sys/time.h defines a struct timespec.)
dnl AC_EGREP_HEADER(clock_gettime, sys/time.h,
dnl AC_DEFINE(HAVE_CLOCK_GETTIME_DECL, 1,
dnl Define if system header files declare clock_gettime.))
dnl AC_EGREP_HEADER(timespec, sys/time.h,
dnl AC_DEFINE(HAVE_TIMESPEC, 1,
dnl Define if sys/time.h defines a struct timespec.))
])
dnl
dnl Find the crypt function
dnl
AC_DEFUN([SFS_FIND_CRYPT],
[AC_SUBST(LIBCRYPT)
AC_CHECK_FUNC(crypt)
if test $ac_cv_func_crypt = no; then
AC_CHECK_LIB(crypt, crypt, LIBCRYPT="-lcrypt")
fi
])
dnl
dnl Find the setusercontext function
dnl
AC_DEFUN([SFS_CHECK_SETUSERCONTEXT],
[AC_SUBST(SETUSERCONTEXTLIB)
AC_CHECK_FUNC(setusercontext)
if test "$ac_cv_func_setusercontext" = no; then
AC_CHECK_LIB(setusercontext, util, SETUSERCONTEXTLIB="-lutil")
fi
if test "$ac_cv_func_setusercontext" = yes; then
AC_CHECK_HEADERS(login_cap.h)
AC_DEFINE(HAVE_SETUSERCONTEXT, 1,
Define if you have the setusercontext function)
fi
])
dnl
dnl Find pty functions
dnl
AC_DEFUN([SFS_PTYLIB],
[AC_SUBST(PTYLIB)
AC_CHECK_FUNCS(_getpty)
AC_CHECK_FUNCS(openpty)
if test $ac_cv_func_openpty = no; then
AC_CHECK_LIB(util, openpty, PTYLIB="-lutil"
AC_DEFINE(HAVE_OPENPTY, 1,
Define if you have the openpty function.))
fi
if test "$ac_cv_func_openpty" = yes -o "$ac_cv_lib_util_openpty" = yes; then
AC_CHECK_HEADERS(util.h libutil.h)
fi
AC_CHECK_HEADERS(pty.h)
AC_CACHE_CHECK(for BSD-style utmp slots, ac_cv_have_ttyent,
AC_EGREP_HEADER(getttyent, ttyent.h,
ac_cv_have_ttyent=yes, ac_cv_have_ttyent=no))
if test "$ac_cv_have_ttyent" = yes; then
AC_DEFINE(USE_TTYENT, 1,
Define if utmp must be managed with BSD-style ttyent functions)
fi
AC_MSG_CHECKING(for pseudo ttys)
if test -c /dev/ptmx && test -c /dev/pts/0
then
AC_DEFINE(HAVE_DEV_PTMX, 1,
Define if you have SYSV-style /dev/ptmx and /dev/pts/.)
AC_MSG_RESULT(streams ptys)
else
if test -c /dev/pts && test -c /dev/ptc
then
AC_DEFINE(HAVE_DEV_PTS_AND_PTC, 1,
Define if you have /dev/pts and /dev/ptc devices (as in AIX).)
AC_MSG_RESULT(/dev/pts and /dev/ptc)
else
AC_MSG_RESULT(bsd-style ptys)
fi
fi])
dnl
dnl SFS_TRY_RESOLV_LIB(library)
dnl see if -llibrary is needed to get res_mkquery
dnl
AC_DEFUN([SFS_TRY_RESOLV_LIB],
[reslib="$1"
if test -z "$reslib"; then
resdesc="standard C library"
else
resdesc="lib$reslib"
fi
AC_CACHE_CHECK(for resolver functions in [$resdesc],
sfs_cv_reslib_lib$1,
[sfs_try_resolv_lib_save_LIBS="$LIBS"
if test x"$reslib" != x; then
LIBS="$LIBS -l$reslib"
fi
AC_LINK_IFELSE([
#include "confdefs.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#if HAVE_ARPA_NAMESER_COMPAT_H
#include <arpa/nameser_compat.h>
#else /* !HAVE_ARPA_NAMESER_COMPAT_H */
#include <arpa/nameser.h>
#endif /* !HAVE_ARPA_NAMESER_COMPAT_H */
#include <resolv.h>
int
main (int argc, char **argv)
{
res_mkquery (0, 0, 0, 0, 0, 0, 0, 0, 0);
return 0;
}], sfs_cv_reslib_lib$1=yes, sfs_cv_reslib_lib$1=no)
LIBS="$sfs_try_resolv_lib_save_LIBS"])
if test "$sfs_cv_reslib_lib$1" = yes -a "$reslib"; then
LIBS="$LIBS -l$reslib"
fi
])
dnl
dnl Use -lresolv only if we need it
dnl
AC_DEFUN([SFS_FIND_RESOLV],
[AC_CHECK_HEADERS(arpa/nameser_compat.h)
if test "$ac_cv_header_arpa_nameser_compat_h" = yes; then
nameser_header=arpa/nameser_compat.h
else
nameser_header=arpa/nameser.h
fi
dnl AC_CHECK_FUNC(res_mkquery)
dnl if test "$ac_cv_func_res_mkquery" != yes; then
dnl AC_CHECK_LIB(resolv, res_mkquery)
dnl if test "$ac_cv_lib_resolv_res_mkquery" = no; then
dnl AC_CHECK_LIB(resolv, __res_mkquery)
dnl fi
dnl fi
SFS_TRY_RESOLV_LIB([])
if test "$sfs_cv_reslib_lib" = no; then
SFS_TRY_RESOLV_LIB(resolv)
fi
dnl See if the resolv functions are actually declared
SFS_CHECK_DECL(res_init, resolv.h,
sys/types.h sys/socket.h netinet/in.h $nameser_header)
SFS_CHECK_DECL(res_mkquery, resolv.h,
sys/types.h sys/socket.h netinet/in.h $nameser_header)
SFS_CHECK_DECL(dn_skipname, resolv.h,
sys/types.h sys/socket.h netinet/in.h $nameser_header)
SFS_CHECK_DECL(dn_expand, resolv.h,
sys/types.h sys/socket.h netinet/in.h $nameser_header)
])
dnl
dnl Check if first element in grouplist is egid
dnl
AC_DEFUN([SFS_CHECK_EGID_IN_GROUPLIST],
[AC_TYPE_GETGROUPS
AC_CACHE_CHECK(if egid is first element of grouplist, sfs_cv_egid_in_grouplist,
AC_TRY_RUN([changequote changequote([[,]])
#include <sys/types.h>
#include <unistd.h>
#include <netinet/in.h>
#include <rpc/rpc.h>
#include "confdefs.h"
static int
getint (void *_p)
{
unsigned char *p = _p;
return p[0]<<24 | p[1]<<16 | p[2]<<8 | p[3];
}
int
main (int argc, char **argv)
{
AUTH *a;
GETGROUPS_T gids[24];
int n, xn;
char buf[408];
char *p;
XDR x;
/* Must hard-code OSes with egid in grouplist *and* broken RPC lib */
#if __FreeBSD__ || __APPLE__
return 0;
#endif
n = getgroups (24, gids);
if (n <= 0)
return 1;
a = authunix_create_default ();
xdrmem_create (&x, buf, sizeof (buf), XDR_ENCODE);
if (!auth_marshall (a, &x))
return 1;
if (getint (buf) != AUTH_UNIX)
return 1;
p = buf + 12; /* Skip auth flavor, length, timestamp */
p += getint (p) + 7 & ~3; /* Skip machine name */
p += 8; /* Skip uid & gid */
xn = getint (p); /* Length of grouplist in auth_unix */
return n != xn + 1;
}
changequote([,])],
sfs_cv_egid_in_grouplist=yes, sfs_cv_egid_in_grouplist=no))
if test $sfs_cv_egid_in_grouplist = yes; then
AC_DEFINE(HAVE_EGID_IN_GROUPLIST, 1,
Define if the first element of a grouplist is the effective gid)
fi])
dnl
dnl Check for struct passwd fields
dnl
AC_DEFUN([SFS_PASSWD_FIELD],
[AC_CACHE_CHECK(for $1 in struct passwd, sfs_cv_passwd_$1,
AC_TRY_COMPILE([
#include <sys/types.h>
#include <pwd.h>
], [
struct passwd *pw;
pw->$1;
], sfs_cv_passwd_$1=yes, sfs_cv_passwd_$1=no))
if test "$sfs_cv_passwd_$1" = yes; then
AC_DEFINE(HAVE_PASSWD_[]translit($1, [a-z ], [A-Z_]), 1,
Define if struct passwd has $1 field)
fi])
dnl
dnl Check if putenv copies arguments
dnl
AC_DEFUN([SFS_PUTENV_COPY],
[AC_CACHE_CHECK(if putenv() copies its argument, sfs_cv_putenv_copy,
AC_TRY_RUN([
changequote`'changequote([[,]])
#include <stdlib.h>
char var[] = "V=0";
int
main (int argc, char **argv)
{
char *v;
putenv (var);
var[2] = '1';
v = getenv (var);
return *v != '0';
}
changequote([,])],
sfs_cv_putenv_copy=yes, sfs_cv_putenv_copy=no,
sfs_cv_putenv_copy=no)
)
if test $sfs_cv_putenv_copy = yes; then
AC_DEFINE(PUTENV_COPIES_ARGUMENT, 1,
Define if putenv makes a copy of its argument)
fi])
dnl
dnl Check for wide select
dnl
AC_DEFUN([SFS_CHECK_WIDE_SELECT],
[AC_CACHE_CHECK(for wide select, sfs_cv_wideselect,
fdlim_h=${srcdir}/fdlim.h
test -f ${srcdir}/async/fdlim.h && fdlim_h=${srcdir}/async/fdlim.h
test -f ${srcdir}/libasync/fdlim.h && fdlim_h=${srcdir}/libasync/fdlim.h
AC_TRY_RUN([changequote changequote([[,]])
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include "${fdlim_h}"
struct timeval ztv;
int
main ()
{
int pfd[2];
int rfd, wfd;
int maxfd;
int i;
fd_set *rfdsp, *wfdsp;
maxfd = fdlim_get (1);
fdlim_set (maxfd, 1);
maxfd = fdlim_get (0);
if (maxfd <= FD_SETSIZE) {
printf ("[small fd limit anyway] ");
exit (1);
}
if (pipe (pfd) < 0)
exit (1);
#ifdef F_DUPFD
if ((rfd = fcntl (pfd[0], F_DUPFD, maxfd - 2)) < 0)
exit (1);
if ((wfd = fcntl (pfd[1], F_DUPFD, maxfd - 1)) < 0)
exit (1);
#else /* !F_DUPFD */
if ((rfd = dup2 (pfd[0], maxfd - 2)) < 0)
exit (1);
if ((wfd = dup2 (pfd[1], maxfd - 1)) < 0)
exit (1);
#endif /* !F_DUPFD */
rfdsp = malloc (1 + (maxfd/8));
for (i = 0; i < 1 + (maxfd/8); i++)
((char *) rfdsp)[i] = '\0';
wfdsp = malloc (1 + (maxfd/8));
for (i = 0; i < 1 + (maxfd/8); i++)
((char *) wfdsp)[i] = '\0';
FD_SET (rfd, rfdsp);
FD_SET (wfd, wfdsp);
if (select (maxfd, rfdsp, wfdsp, NULL, &ztv) < 0)
exit (1);
if (FD_ISSET (wfd, wfdsp) && !FD_ISSET (rfd, rfdsp))
exit (0);
else
exit (1);
}
changequote([,])],
sfs_cv_wideselect=yes, sfs_cv_wideselect=no, sfs_cv_wideselect=no))
if test $sfs_cv_wideselect = yes; then
AC_DEFINE(HAVE_WIDE_SELECT, 1,
Define if select can take file descriptors >= FD_SETSIZE)
fi])
dnl
dnl Check for 64-bit off_t
dnl
AC_DEFUN([SFS_CHECK_OFF_T_64],
[AC_CACHE_CHECK(for 64-bit off_t, sfs_cv_off_t_64,
AC_TRY_COMPILE([
#include <unistd.h>
#include <sys/types.h>
],[
switch (0) case 0: case (sizeof (off_t) <= 4):;
], sfs_cv_off_t_64=no, sfs_cv_off_t_64=yes))
if test $sfs_cv_off_t_64 = yes; then
AC_DEFINE(HAVE_OFF_T_64, 1, Define if off_t is 64 bits wide.)
fi])
dnl
dnl Check for type
dnl
AC_DEFUN([SFS_CHECK_TYPE],
[AC_CACHE_CHECK(for $1, sfs_cv_type_[]translit($1, [ ], [_]),
AC_TRY_COMPILE([
#include <stddef.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#ifdef HAVE_RPC_RPC_H
#include <rpc/rpc.h>
#endif
$2
],[
sizeof($1);
], sfs_cv_type_[]translit($1, [ ], [_])=yes, sfs_cv_type_[]translit($1, [ ], [_])=no))
if test $sfs_cv_type_[]translit($1, [ ], [_]) = yes; then
AC_DEFINE(HAVE_[]translit($1, [a-z ], [A-Z_]), 1,
Define if system headers declare a $1 type.)
fi])
dnl
dnl Check if system defines u_int64_t as an unsigned long long
dnl
AC_DEFUN([SFS_CHECK_U_INT64],
[AC_CHECK_SIZEOF(long, 4)
AC_CHECK_SIZEOF(long long, 0)
SFS_CHECK_TYPE(u_int64_t)
AC_CACHE_CHECK(whether u_int64_t is an unsigned long long,
sfs_cv_u_int64_t_is_long_long,
if test 8 -gt "$ac_cv_sizeof_long"; then
sfs_cv_u_int64_t_is_long_long=yes
elif test yes != "$sfs_cv_type_u_int64_t"; then
sfs_cv_u_int64_t_is_long_long=yes
else
AC_COMPILE_IFELSE([
#include <stddef.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#ifdef HAVE_RPC_RPC_H
#include <rpc/rpc.h>
#endif
void f (u_int64_t val);
void
f (unsigned long long val)
{
}
], sfs_cv_u_int64_t_is_long_long=yes, sfs_cv_u_int64_t_is_long_long=no)
fi)
if test yes = "$sfs_cv_u_int64_t_is_long_long"; then
AC_DEFINE(U_INT64_T_IS_LONG_LONG, 1,
Define if system header files typedef u_int64_t as unsigned long long)
fi])
dnl
dnl Check for struct cmsghdr (for passing file descriptors)
dnl
AC_DEFUN([SFS_CHECK_FDPASS],
[
AC_CACHE_CHECK(for fd passing with msg_accrights in msghdr,
sfs_cv_accrights,
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>
],[
struct msghdr mh;
mh.msg_accrights = 0;
], sfs_cv_accrights=yes, sfs_cv_accrights=no))
AC_CACHE_CHECK(for fd passing with struct cmsghdr, sfs_cv_cmsghdr,
if test "$sfs_cv_accrights" != "yes"; then
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>
],[
struct msghdr mh;
struct cmsghdr cmh;
mh.msg_control = (void *) &cmh;
], sfs_cv_cmsghdr=yes, sfs_cv_cmsghdr=no)
else
sfs_cv_cmsghdr=no
fi)
if test $sfs_cv_accrights = yes; then
AC_DEFINE(HAVE_ACCRIGHTS, 1,
Define if msghdr has msg_accrights field for passing file descriptors.)
fi
if test $sfs_cv_cmsghdr = yes; then
AC_DEFINE(HAVE_CMSGHDR, 1,
Define if system has cmsghdr structure for passing file descriptors.)
fi])
dnl
dnl Check for sa_len in struct sockaddrs
dnl
AC_DEFUN([SFS_CHECK_SA_LEN],
[AC_CACHE_CHECK(for sa_len in struct sockaddr, sfs_cv_sa_len,
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>
],[
struct sockaddr sa;
sa.sa_len = 0;
], sfs_cv_sa_len=yes, sfs_cv_sa_len=no))
if test $sfs_cv_sa_len = yes; then
AC_DEFINE(HAVE_SA_LEN, 1,
Define if struct sockaddr has sa_len field.)
fi])
dnl
dnl Check for sockaddr_storage
dnl
AC_DEFUN([SFS_CHECK_SOCKADDR_STORAGE],
[SFS_CHECK_TYPE(struct sockaddr_storage)
AC_CACHE_CHECK(for __ss_len in sockaddr_storage, sfs_cv_ss_len_underscores,
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>
],[
struct sockaddr_storage ss;
ss.__ss_len = 0;
], sfs_cv_ss_len_underscores=yes, sfs_cv_ss_len_underscores=no))
if test $sfs_cv_ss_len_underscores = yes; then
AC_DEFINE(HAVE_SS_LEN_UNDERSCORES, 1,
Define if struct sockaddr_storage has __ss_len field, not ss_len)
fi])
dnl
dnl Check something about the nfs_args field
dnl
AC_DEFUN([SFS_TRY_NFSARG_FIELD],
[AC_TRY_COMPILE([
#include "${srcdir}/nfsconf.h"
],[
struct nfs_args na;
$1;
], $2, $3)])
dnl
dnl Check a particular field in nfs_args
dnl
AC_DEFUN([SFS_CHECK_NFSMNT_FIELD],
[AC_CACHE_CHECK(for $1 in nfs_args structure, sfs_cv_nfsmnt_$1,
SFS_TRY_NFSARG_FIELD(na.$1, sfs_cv_nfsmnt_$1=yes, sfs_cv_nfsmnt_$1=no))
if test $sfs_cv_nfsmnt_$1 = yes; then
AC_DEFINE(HAVE_NFSMNT_[]translit($1, [a-z], [A-Z]), 1,
Define if the nfs_args structure has a $1 field.)
fi])
dnl
dnl Check if nfs_args hostname field is an array
dnl
AC_DEFUN([SFS_CHECK_NFSARG_HOSTNAME_ARRAY],
[AC_CACHE_CHECK(if nfs_args hostname field is an array, sfs_cv_nfs_hostarray,
SFS_TRY_NFSARG_FIELD(na.hostname = 0,
sfs_cv_nfs_hostarray=no, sfs_cv_nfs_hostarray=yes))
if test $sfs_cv_nfs_hostarray = yes; then
AC_DEFINE(HAVE_NFSARG_HOSTNAME_ARRAY, 1,
[The hostname field of nfs_arg is an array])
fi])
dnl
dnl Check if addr field is a pointer or not
dnl
AC_DEFUN([SFS_CHECK_NFSARG_ADDR_PTR],
[AC_CHECK_HEADERS(tiuser.h)
AC_CACHE_CHECK(if nfs_args addr field is a pointer, sfs_cv_nfsmnt_addr_ptr,
SFS_TRY_NFSARG_FIELD(na.addr = (void *) 0, sfs_cv_nfsmnt_addr_ptr=yes,
sfs_cv_nfsmnt_addr_ptr=no))
if test $sfs_cv_nfsmnt_addr_ptr = yes; then
AC_DEFINE(HAVE_NFSARG_ADDR_PTR, 1,
[The addr field of nfs_arg is a pointer])
AC_CACHE_CHECK(if nfs_args addr is a netbuf *, sfs_cv_nfsmnt_addr_netbuf,
SFS_TRY_NFSARG_FIELD(struct netbuf nb; *na.addr = nb,
sfs_cv_nfsmnt_addr_netbuf=yes, sfs_cv_nfsmnt_addr_netbuf=no))
if test $sfs_cv_nfsmnt_addr_netbuf = yes; then
AC_DEFINE(HAVE_NFSARG_ADDR_NETBUF, 1,
[If the nfs_arg addr field is a netbuf pointer])
fi
fi])
dnl
dnl Check for SVR4-like nfs_fh3 structure
dnl
AC_DEFUN([SFS_CHECK_FH3_SVR4],
[if test "$sfs_cv_nfsmnt_fhsize" != yes; then
AC_CACHE_CHECK(for SVR4-like struct nfs_fh3, sfs_cv_fh3_svr4,
AC_TRY_COMPILE([#include "${srcdir}/nfsconf.h"],
[ struct nfs_fh3 fh;
switch (0) case 0: case sizeof (fh.fh3_u.data) == 64:; ],
sfs_cv_fh3_svr4=yes, sfs_cv_fh3_svr4=no))
if test $sfs_cv_fh3_svr4 = yes; then
AC_DEFINE(HAVE_SVR4_FH3, 1,
[The the fh field of the nfs_arg structure points to an SVR4 nfs_fh3])
fi
fi])
dnl
dnl Check for 2 argument unmount
dnl
AC_DEFUN([SFS_CHECK_UNMOUNT_FLAGS],
[AC_CACHE_CHECK(for a 2 argument unmount, sfs_cv_umount_flags,
AC_TRY_COMPILE([
#include <sys/param.h>
#include <sys/mount.h>
],[
#ifdef HAVE_UNMOUNT
unmount
#else /* !HAVE_UNMOUNT */
umount
#endif /* !HAVE_UNMOUNT */
(0);
], sfs_cv_umount_flags=no, sfs_cv_umount_flags=yes))
if test $sfs_cv_umount_flags = yes; then
AC_DEFINE(UNMOUNT_FLAGS, 1,
Define if the unmount system call has 2 arguments.)
else
AC_CHECK_FUNCS(umount2)
fi])
dnl
dnl Check if we can find the nfs_args structure
dnl
AC_DEFUN([SFS_CHECK_NFSMNT],
[AC_CHECK_FUNCS(vfsmount unmount)
AC_CHECK_HEADERS(nfs/nfsproto.h, [], [],
[#include <sys/types.h>
#include <sys/param.h>
#include <sys/mount.h>])
need_nfs_nfs_h=no
AC_EGREP_HEADER(nfs_args, sys/mount.h,,
AC_EGREP_HEADER(nfs_args, nfs/mount.h,
AC_DEFINE(NEED_NFS_MOUNT_H, 1,
[The nfs_args structure is in <nfs/mount.h>]))
AC_EGREP_HEADER(nfs_args, nfs/nfsmount.h,
AC_DEFINE(NEED_NFS_NFSMOUNT_H, 1,
[The nfs_args structure is in <nfs/nfsmount.h]))
AC_EGREP_HEADER(nfs_args, nfsclient/nfs.h,
AC_DEFINE(NEED_NFSCLIENT_NFS_H, 1,
[The nfs_args structure is in <nfsclient/nfs.h>]))
AC_EGREP_HEADER(nfs_args, nfsclient/nfsargs.h,
AC_DEFINE(NEED_NFSCLIENT_NFSARGS_H, 1,
[The nfs_args structure is in <nfsclient/nfsargs.h>]))
AC_EGREP_HEADER(nfs_args, nfs/nfs.h,
AC_DEFINE(NEED_NFS_NFS_H, 1,
[The nfs_args structure is in <nfs/nfs.h>])
need_nfs_nfs_h=yes))
AC_CACHE_CHECK(for nfs_args mount structure, sfs_cv_nfsmnt_ok,
SFS_TRY_NFSARG_FIELD(, sfs_cv_nfsmnt_ok=yes, sfs_cv_nfsmnt_ok=no))
if test $sfs_cv_nfsmnt_ok = no; then
AC_MSG_ERROR([Could not find NFS mount argument structure!])
fi
if test "$need_nfs_nfs_h" = no; then
AC_EGREP_HEADER(nfs_fh3, nfs/nfs.h,
AC_DEFINE(NEED_NFS_NFS_H, 1,
[The nfs_args structure is in <nfs/nfs.h>])
need_nfs_nfs_h=yes)
fi
AC_CHECK_HEADERS(linux/nfs2.h)
SFS_CHECK_NFSMNT_FIELD(addrlen)
SFS_CHECK_NFSMNT_FIELD(sotype)
SFS_CHECK_NFSMNT_FIELD(proto)
SFS_CHECK_NFSMNT_FIELD(fhsize)
SFS_CHECK_NFSMNT_FIELD(fd)
dnl Check whether we have Linux 2.2 NFS V3 mount structure
SFS_CHECK_NFSMNT_FIELD(old_root)
dnl Check whether file handle is named "root" or "fh"
SFS_CHECK_NFSMNT_FIELD(root)
SFS_CHECK_NFSMNT_FIELD(fh)
dnl ksh apparently cannot handle this as a compound test.
if test "$sfs_cv_nfsmnt_root" = "no"; then
if test "$sfs_cv_nfsmnt_fh" = "no"; then
AC_MSG_ERROR([Could not find the nfs_args file handle field!])
fi
fi
AC_CHECK_HEADERS(sys/mntent.h)
SFS_CHECK_FH3_SVR4
if test "$sfs_cv_nfsmnt_fh" = yes; then
if test "$sfs_cv_fh3_svr4" = yes -o "$sfs_cv_nfsmnt_fhsize" = yes; then
AC_DEFINE(HAVE_NFS_V3, 1, [If the system supports NFS 3])
fi
elif test "$sfs_cv_nfsmnt_old_root" = yes; then
AC_DEFINE(HAVE_NFS_V3, 1, [If the system supports NFS 3])
fi
SFS_CHECK_NFSARG_HOSTNAME_ARRAY
SFS_CHECK_NFSARG_ADDR_PTR
SFS_CHECK_UNMOUNT_FLAGS])
dnl
dnl Use -ldb only if we need it.
dnl
AC_DEFUN([SFS_FIND_DB],
[AC_CHECK_FUNC(dbopen)
if test $ac_cv_func_dbopen = no; then
AC_CHECK_LIB(db, dbopen)
if test $ac_cv_lib_db_dbopen = no; then
AC_MSG_ERROR([Could not find library for dbopen!])
fi
fi
])
dnl
dnl Check something about the stat structure
dnl
AC_DEFUN([SFS_TRY_STAT_FIELD],
[AC_TRY_COMPILE([
#include <sys/stat.h>
],[
struct stat s;
$1;
], $2, $3)])
dnl
dnl Check for a particular field in stat
dnl
AC_DEFUN([SFS_CHECK_STAT_FIELD],
[AC_CACHE_CHECK(for $1 in stat structure, sfs_cv_stat_$1,
SFS_TRY_STAT_FIELD(s.$1, sfs_cv_stat_$1=yes, sfs_cv_stat_$1=no))
if test $sfs_cv_stat_$1 = yes; then
AC_DEFINE(SFS_HAVE_STAT_[]translit($1, [a-z], [A-Z]), 1,
Define if the stat structure has a $1 field.)
fi])
dnl
dnl Check whether we can get away with large socket buffers.
dnl
AC_DEFUN([SFS_CHECK_SOCK_BUF],
[AC_CACHE_CHECK(whether socket buffers > 64k are allowed,
sfs_cv_large_sock_buf, AC_TRY_RUN([
#include <sys/types.h>
#include <sys/socket.h>
int
main()
{
int bigbuf = 0x11000;
int s = socket(AF_INET, SOCK_STREAM, 0);
if (setsockopt(s, SOL_SOCKET, SO_RCVBUF, (char *)&bigbuf, sizeof(bigbuf))<0)
exit(1);
exit(0);
}
], sfs_cv_large_sock_buf=yes,
sfs_cv_large_sock_buf=no,
sfs_cv_large_sock_buf=no))
if test $sfs_cv_large_sock_buf = yes; then
AC_DEFINE(SFS_ALLOW_LARGE_BUFFER, 1,
Define if SO_SNDBUF/SO_RCVBUF can exceed 64K.)
fi])
dnl
dnl Test to see if we can bind a port with SO_REUSEADDR when
dnl there is a connected TCP socket using the same port number,
dnl but the connected socket does not have SO_REUSEADDR set.
dnl
AC_DEFUN([SFS_CHECK_BSD_REUSEADDR],
[AC_CACHE_CHECK(for BSD SO_REUSEADDR semantics, sfs_cv_bsd_reuseaddr,
[AC_RUN_IFELSE([changequote changequote([[,]])[[
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include "confdefs.h"
#ifndef HAVE_SOCKLEN_T
# define socklen_t int
#endif /* !HAVE_SOCKLEN_T */
#ifndef bzero
# define bzero(a,b) memset((a), 0, (b))
#endif /* !bzero */
int
inetsocket (unsigned long addr, int port, int *portp)
{
int s;
struct sockaddr_in sin;
int n = 1;
bzero (&sin, sizeof (sin));
sin.sin_family = AF_INET;
sin.sin_port = htons (port);
sin.sin_addr.s_addr = htonl (addr);
s = socket (AF_INET, SOCK_STREAM, 0);
if (s < 0) {
perror ("socket");
exit (2);
}
if (port && setsockopt (s,SOL_SOCKET, SO_REUSEADDR, &n, sizeof n) < 0) {
perror ("SO_REUSEADDR");
exit (2);
}
if (bind (s, (struct sockaddr *) &sin, sizeof (sin)) < 0)
return -1;
if (portp) {
socklen_t sinlen = sizeof (sin);
getsockname (s, (struct sockaddr *) &sin, &sinlen);
*portp = ntohs (sin.sin_port);
}
return s;
}
int
connectlocal (int s, int dport)
{
struct sockaddr_in sin;
bzero (&sin, sizeof (sin));
sin.sin_family = AF_INET;
sin.sin_port = htons (dport);
sin.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
return connect (s, (struct sockaddr *) &sin, sizeof (sin));
}
void
make_async (int s)
{
int n;
if ((n = fcntl (s, F_GETFL)) < 0
|| fcntl (s, F_SETFL, n | O_NONBLOCK) < 0) {
perror ("fcntl");
exit (2);
}
}
int
main (int argc, char **argv)
{
int s1, s1p;
int c1, c1p;
int c2;
s1 = inetsocket (INADDR_LOOPBACK, 0, &s1p);
listen (s1, 5);
c1 = inetsocket (INADDR_LOOPBACK, 0, &c1p);
make_async (c1);
if (connectlocal (c1, s1p) < 0) {
if (errno == EINPROGRESS) {
struct sockaddr_in sin;
socklen_t sinlen = sizeof (sin);
sin.sin_family = AF_INET;
accept (s1, (struct sockaddr *) &sin, &sinlen);
}
else {
perror ("connect");
exit (2);
}
}
c2 = inetsocket (INADDR_ANY, c1p, NULL);
exit (c2 < 0);
}
]]changequote([,])],
sfs_cv_bsd_reuseaddr=yes, sfs_cv_bsd_reuseaddr=no,
sfs_cv_bsd_reuseaddr=no)])
if test "$sfs_cv_bsd_reuseaddr" = yes; then
AC_DEFINE(HAVE_BSD_REUSEADDR, 1,
Define if SO_REUSEADDR allows same user to bind non-SO_REUSEADDR port)
fi])
dnl
dnl Find pthreads
dnl
AC_DEFUN([SFS_FIND_PTHREADS],
[AC_ARG_WITH(pthreads,
--with-pthreads=DIR Specify location of pthreads)
ac_save_CFLAGS=$CFLAGS
ac_save_LIBS=$LIBS
dirs="$with_pthreads ${prefix} ${prefix}/pthreads"
dirs="$dirs /usr/local /usr/local/pthreads"
AC_CACHE_CHECK(for pthread.h, sfs_cv_pthread_h,
[for dir in " " $dirs; do
iflags="-I${dir}/include"
CFLAGS="${ac_save_CFLAGS} $iflags"
AC_TRY_COMPILE([#include <pthread.h>], 0,
sfs_cv_pthread_h="${iflags}"; break)
done])
if test -z "${sfs_cv_pthread_h+set}"; then
AC_MSG_ERROR("Can\'t find pthread.h anywhere")
fi
AC_CACHE_CHECK(for libpthread, sfs_cv_libpthread,
[for dir in "" " " $dirs; do
case $dir in
"") lflags=" " ;;
" ") lflags="-lpthread" ;;
*) lflags="-L${dir}/lib -lpthread" ;;
esac
LIBS="$ac_save_LIBS $lflags"
AC_TRY_LINK([#include <pthread.h>],
pthread_create (0, 0, 0, 0);,
sfs_cv_libpthread=$lflags; break)
done])
if test -z ${sfs_cv_libpthread+set}; then
AC_MSG_ERROR("Can\'t find libpthread anywhere")
fi
CFLAGS=$ac_save_CFLAGS
CPPFLAGS="$CPPFLAGS $sfs_cv_pthread_h"
LIBS="$ac_save_LIBS $sfs_cv_libpthread"])
dnl
dnl Find PCRE
dnl
AC_DEFUN([SFS_FIND_PCRE],
[AC_ARG_WITH(pcre,
--with-pcre=DIR Specify location of pcre)
ac_save_CFLAGS=$CFLAGS
ac_save_LIBS=$LIBS
dirs="$with_pcre ${prefix} ${prefix}/pcre"
dirs="$dirs /usr/local /usr/local/pcre"
AC_CACHE_CHECK(for pcre.h, sfs_cv_pcre_h,
[for dir in " " $dirs; do
iflags="-I${dir}/include"
CFLAGS="${ac_save_CFLAGS} $iflags"
AC_TRY_COMPILE([#include <pcre.h>], 0,
sfs_cv_pcre_h="${iflags}"; break)
done])
if test -z "${sfs_cv_pcre_h+set}"; then
AC_MSG_ERROR("Can\'t find pcre.h anywhere")
fi
AC_CACHE_CHECK(for libpcre, sfs_cv_libpcre,
[for dir in "" " " $dirs; do
case $dir in
"") lflags=" " ;;
" ") lflags="-lpcre" ;;
*) lflags="-L${dir}/lib -lpcre" ;;
esac
LIBS="$ac_save_LIBS $lflags"
AC_TRY_LINK([#include <pcre.h>],
pcre_compile ("", 0, NULL, NULL,NULL);,
sfs_cv_libpcre=$lflags; break)
done])
if test -z ${sfs_cv_libpcre+set}; then
AC_MSG_ERROR("Can\'t find libpcre anywhere")
fi
CFLAGS=$ac_save_CFLAGS
CPPFLAGS="$CPPFLAGS $sfs_cv_pcre_h"
LIBS="$ac_save_LIBS $sfs_cv_libpcre"])
dnl
dnl Find GMP
dnl
AC_DEFUN([SFS_GMP],
[AC_ARG_WITH(gmp,
--with-gmp[[[=/usr/local]]] specify path for gmp)
AC_SUBST(GMP_DIR)
AC_SUBST(LIBGMP)
AC_MSG_CHECKING([for GMP library])