configure.ac - pub/scm/utils/util-linux/util-linux - Git at Google

 AC_INIT(util-linux-ng, 2.14.2, kzak@redhat.com)

 AC_PREREQ(2.60)

 AC_CONFIG_AUX_DIR(config)

 AM_INIT_AUTOMAKE([check-news -Wall foreign 1.9 dist-bzip2])

 AC_CONFIG_SRCDIR(mount/mount.c)

 AC_PREFIX_DEFAULT([/usr])

 # Check whether exec_prefix=/usr:
 case $exec_prefix:$prefix in
 NONE:NONE | NONE:/usr | /usr:*)
   AC_MSG_NOTICE([Default --exec-prefix detected.])
   case $bindir in
   '${exec_prefix}/bin') bindir=/bin
     AC_MSG_NOTICE([  --bindir defaults to /bin]) ;;
   esac
   case $sbindir in
   '${exec_prefix}/sbin') sbindir=/sbin
     AC_MSG_NOTICE([  --sbindir defaults to /sbin]) ;;
   esac ;;
 esac

 AC_PROG_CC_STDC
 AC_GNU_SOURCE
 AC_CANONICAL_HOST

 linux_os=no
 case ${host_os} in
   *linux*)
     linux_os=yes
     ;;
 esac
 AM_CONDITIONAL([LINUX], test "x$linux_os" = xyes)

 AC_PATH_PROG(PERL, perl)
 AC_PATH_PROG(BLKID, blkid, [], [$PATH:/sbin])
 AC_PATH_PROG(VOLID, vol_id, [], [$PATH:/lib/udev])

 AC_SYS_LARGEFILE

 AC_CHECK_HEADERS([linux/compiler.h linux/blkpg.h linux/major.h], [], [], [
 #ifdef HAVE_LINUX_COMPILER_H
 #include <linux/compiler.h>
 #endif
 ])
 AC_CHECK_HEADERS(
 	[scsi/scsi.h \
 	langinfo.h \
 	locale.h \
 	sys/user.h \
 	rpcsvc/nfs_prot.h \
 	sys/io.h \
 	pty.h \
 	err.h \
 	linux/tiocl.h \
 	linux/version.h])
 AC_CHECK_HEADERS([linux/raw.h],
 		 [AM_CONDITIONAL([HAVE_RAW], [true])],
 		 [AM_CONDITIONAL([HAVE_RAW], [false])])

 AC_CHECK_FUNCS(
 	[inet_aton \
 	fsync \
 	getdomainname \
 	get_current_dir_name \
 	nanosleep \
 	personality \
 	updwtmp \
 	lchown \
 	inotify_init \
 	versionsort \
 	rpmatch])
 AC_FUNC_FSEEKO

 have_versionsort=no
 AC_CHECK_FUNC([versionsort], [have_versionsort=yes])
 AM_CONDITIONAL([HAVE_VERSIONSORT], test "x$have_versionsort" = xyes)

 dnl Static compilation
 m4_define([UTIL_STATIC_PROGRAMS], [losetup, mount, umount, fdisk, sfdisk])

 AC_ARG_ENABLE([static-programs],
   [AS_HELP_STRING([--enable-static-programs=LIST],
       [link static the programs in LIST (comma-separated,
       supported for ]m4_defn([UTIL_STATIC_PROGRAMS])[)])])

 case $enable_static_programs in
 yes) enable_static_programs=m4_quote(UTIL_STATIC_PROGRAMS) ;;
 no) enable_static_programs= ;;
 esac

 if test "$enable_static_programs" != ""; then
   AC_CACHE_CHECK([whether linker accepts -static],
   [static_cv_option],
   [SAVE_LDFLAGS="$LDFLAGS"
    LDFLAGS="$LDFLAGS -static"
    AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 #include <stdio.h>
 ]], [[
 fflush(stdout);
 ]])], [static_cv_option=yes],[static_cv_option=no])
    LDFLAGS="$SAVE_LDFLAGS"
   ])
   if test "x$static_cv_option" = xno; then
      AC_MSG_ERROR([the linker does not accept option -static])
   fi
 fi
 AC_SUBST([LDFLAGS_STATIC], [-static])

 dnl Set all the individual AM_CONDITIONALs
 m4_foreach([UTIL_PRG], m4_defn([UTIL_STATIC_PROGRAMS]), [
   case ,$enable_static_programs, in
    *,UTIL_PRG,*) static_[]UTIL_PRG=yes ;;
   esac
   AM_CONDITIONAL([HAVE_STATIC_]m4_toupper(UTIL_PRG),
     [test "x$static_[]UTIL_PRG" = xyes])
 ])


 dnl UTIL_CHECK_LIB(LIBRARY, FUNCTION, [VARSUFFIX = $1]))
 dnl The VARSUFFIX is optional and overrides the default behaviour. For example:
 dnl     UTIL_CHECK_LIB(yyy, func, xxx) generates have_xxx and HAVE_LIBXXX
 dnl     UTIL_CHECK_LIB(yyy, func)      generates have_yyy and HAVE_LIBYYY
 dnl ---------------------------------
 AC_DEFUN([UTIL_CHECK_LIB], [
   m4_define([suffix], m4_default([$3],$1))
   [have_]suffix=yes
   m4_ifdef([$3],
     [AC_CHECK_LIB([$1], [$2], [AC_DEFINE(AS_TR_CPP([HAVE_LIB]suffix), 1)], [[have_]suffix=no])],
     [AC_CHECK_LIB([$1], [$2], [], [[have_]suffix=no])])
   AM_CONDITIONAL(AS_TR_CPP([HAVE_]suffix), [test [$have_]suffix = yes])
 ])

 UTIL_CHECK_LIB(uuid, uuid_is_null)
 if test "x$have_uuid" = xno; then
   AC_MSG_WARN([uuid library is not found; mkswap(8) will not generate UUIDs])
 fi

 UTIL_CHECK_LIB(util, openpty)
 UTIL_CHECK_LIB(termcap, tgetnum)

 AC_ARG_WITH([fsprobe],
   [AS_HELP_STRING([--with-fsprobe], [library to guess filesystems (blkid|volume_id), default is blkid])],
   [], [with_fsprobe=blkid]
 )

 AM_CONDITIONAL(HAVE_BLKID, false)
 AM_CONDITIONAL(HAVE_VOLUME_ID, false)

 have_blkid=no
 have_volume_id=no
 if test "x$with_fsprobe" = xblkid; then
   UTIL_CHECK_LIB(blkid, blkid_known_fstype)
 elif test "x$with_fsprobe" = xvolume_id; then
   UTIL_CHECK_LIB(volume_id, volume_id_encode_string)
 fi

 if test "x$have_blkid" = xno && test "x$have_volume_id" = xno; then
   AC_MSG_ERROR([blkid or volume_id is needed to build util-linux-ng.])
 fi

 dnl UTIL_PKG_STATIC(VARIABLE, MODULES)
 dnl ----------------------------------
 AC_DEFUN([UTIL_PKG_STATIC], [
   if AC_RUN_LOG([pkg-config --exists --print-errors "$2"]); then
     $1=`pkg-config --libs --static "$2"`
   else
     AC_MSG_ERROR([pkg-config description of $2, needed for static build, is not available])
   fi
 ])

 # These default values should work in most cases:
 : ${BLKID_LIBS='-lblkid -luuid'}
 : ${VOLUMEID_LIBS='-lvolume_id'}

 # ... but for static build, we need to consult pkg-config:
 if test -n "$enable_static_programs"; then
   case $with_fsprobe in
   blkid) UTIL_PKG_STATIC([BLKID_LIBS_STATIC], [blkid]) ;;
   volume_id) UTIL_PKG_STATIC([VOLUMEID_LIBS_STATIC], [libvolume_id]) ;;
   esac
 fi

 AC_ARG_VAR([BLKID_LIBS], [-l options for linking dynamically with blkid])
 AC_ARG_VAR([BLKID_LIBS_STATIC], [-l options for linking statically with blkid])
 AC_ARG_VAR([VOLUMEID_LIBS], [-l options for linking dynamically with volume_id])
 AC_ARG_VAR([VOLUMEID_LIBS_STATIC], [-l options for linking statically with volume_id])


 AM_GNU_GETTEXT_VERSION([0.14.1])
 AM_GNU_GETTEXT([external])
 if test -d "$srcdir/po"
 then
     ALL_LINGUAS=`cd $srcdir/po > /dev/null && echo *.po | sed 's/\.po//g'`
 else
     ALL_LINGUAS="af am ar as be bg bn_IN bn ca cs cy da de el en_GB es et eu_ES fa fi fr gl gu he hi hr hu hy id is it ja ka kn ko ku lo lt lv mk ml mr ms my nb nl nn no nso or pa pl pt_BR pt ro ru si sk sl sq sr@Latn sr sv ta te th tr uk ur vi zh_CN zh_TW zu"
 fi

 AC_ARG_WITH([ncurses],
   AS_HELP_STRING([--with-ncurses], [build with non-wide ncurses, default is wide version
                                     (--without-ncurses disables all ncurses(w) support)]),
   [], with_ncurses=auto
 )
 AM_CONDITIONAL(HAVE_NCURSES, false)

 if test "x$with_ncurses" != xno; then
   have_ncurses=no
   AC_CHECK_HEADERS([ncurses.h ncurses/ncurses.h], [
     if test "x$with_ncurses" = xauto; then
       UTIL_CHECK_LIB(ncursesw, initscr, ncurses)
       if test "x$have_ncurses" = xyes; then
         NCURSES_LIBS="-lncursesw"
       fi
     fi
     if test "x$have_ncurses" = xno; then
       UTIL_CHECK_LIB(ncurses, initscr)
       if test "x$have_ncurses" = xyes; then
         NCURSES_LIBS="-lncurses"
       fi
     fi
   ])
   if test "x$have_ncurses" = xno; then
     AC_MSG_ERROR([ncurses or ncursesw selected, but library not found (--without-ncurses to disable)])
   fi
 fi
 AC_SUBST([NCURSES_LIBS])


 AC_ARG_WITH([slang],
   AS_HELP_STRING([--with-slang], [compile cfdisk with slang]),
   [], with_slang=no
 )

 have_tinfo=no
 AC_CHECK_LIB(tinfo, tgetent, [have_tinfo=yes])
 AM_CONDITIONAL(HAVE_TINFO, test "x$have_tinfo" = xyes)

 use_slang=no
 if test "x$with_slang" = xyes; then
   AC_CHECK_HEADERS([slcurses.h slang/slcurses.h], [use_slang=yes])
   if test "x$use_slang" = xno; then
     AC_MSG_ERROR([slang selected but slcurses.h not found])
   fi
 fi
 AM_CONDITIONAL(USE_SLANG, test "x$use_slang" = xyes)


 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 #define _XOPEN_SOURCE
 #include <unistd.h>
 ]], [[
 char *c = crypt("abc","pw");
 ]])],[],[
   LIBS="$LIBS -lcrypt"
   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
   #define _XOPEN_SOURCE
   #include <unistd.h>
   ]], [[
   char *c = crypt("abc","pw");
   ]])],[
   AC_DEFINE(NEED_LIBCRYPT, 1, [Do we need -lcrypt?])
   need_libcrypt=yes
   ],[
   AC_MSG_ERROR([crypt() is not available])
   ])
 ])

 AM_CONDITIONAL(NEED_LIBCRYPT, test "x$need_libcrypt" = xyes)

 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #include <stdio.h>
 ]], [[
 printf(__progname);
 ]])],
 [AC_DEFINE(HAVE___PROGNAME, 1, Do we have __progname?)
 ])


 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #include <wchar.h>
 #include <wctype.h>
 #include <stdio.h>
 ]], [[
   wchar_t wc;
   wint_t w;
   w = fgetwc(stdin);
   if (w == WEOF) exit(1);
   wc = w;
   fputwc(wc,stdout);
 ]])],
 [AC_DEFINE(HAVE_WIDECHAR,1,Do we have wide character support?)
 ])


 dnl UTIL_CHECK_SYSCALL(SYSCALL, FALLBACK, ...)
 dnl Only specify FALLBACK if the SYSCALL
 dnl you're checking for is a "newish" one
 dnl -------------------------------------
 AC_DEFUN([UTIL_CHECK_SYSCALL], [
   dnl This macro uses host_cpu.
   AC_REQUIRE([AC_CANONICAL_HOST])
   AC_CACHE_CHECK([for syscall $1],
     [util_cv_syscall_$1],
     [_UTIL_SYSCALL_CHECK_DECL([SYS_$1],
       [syscall=SYS_$1],
       [dnl Our libc failed use, so see if we can get the kernel
       dnl headers to play ball ...
       _UTIL_SYSCALL_CHECK_DECL([_NR_$1],
 	[syscall=_NR_$1],
 	[
 	  syscall=no
 	  if test "x$linux_os" = xyes; then
 	    case $host_cpu in
 	      _UTIL_CHECK_SYSCALL_FALLBACK(m4_shift($@))
 	    esac
 	  fi
         ])
       ])
     util_cv_syscall_$1=$syscall
     ])
   AM_CONDITIONAL([HAVE_]m4_toupper($1), [test "x$util_cv_syscall_$1" != xno])
   case $util_cv_syscall_$1 in #(
   no) AC_MSG_WARN([Unable to detect syscall $1.]) ;;
   SYS_*) ;;
   *) AC_DEFINE_UNQUOTED([SYS_$1], [$util_cv_syscall_$1],
 	[Fallback syscall number for $1]) ;;
   esac
 ])

 dnl _UTIL_SYSCALL_CHECK_DECL(SYMBOL, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
 dnl Check if SYMBOL is declared, using the headers needed for syscall checks.
 dnl -------------------------------------
 m4_define([_UTIL_SYSCALL_CHECK_DECL],
 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #include <sys/syscall.h>
 #include <unistd.h>
 ]], [[int test = $1;]])],
 [$2], [$3])
 ])

 dnl _UTIL_CHECK_SYSCALL_FALLBACK(PATTERN, VALUE, ...)
 dnl Helper macro to create the body for the above `case'.
 dnl -------------------------------------
 m4_define([_UTIL_CHECK_SYSCALL_FALLBACK],
 [m4_ifval([$1],
   [#(
   $1) syscall="$2" ;;dnl
   _UTIL_CHECK_SYSCALL_FALLBACK(m4_shiftn(2, $@))])dnl
 ])


 UTIL_CHECK_SYSCALL([pivot_root])
 UTIL_CHECK_SYSCALL([sched_getaffinity])
 UTIL_CHECK_SYSCALL([ioprio_set],
   [alpha],    [442],
   [i*86],     [289],
   [ia64*],    [1274],
   [powerpc*], [273],
   [s390*],    [282],
   [sparc*],   [196],
   [sh*],      [288],
   [x86_64*],  [251])
 UTIL_CHECK_SYSCALL([ioprio_get],
   [alpha],    [443],
   [i*86],     [290],
   [ia64*],    [1275],
   [powerpc*], [274],
   [s390*],    [283],
   [sparc*],   [218],
   [sh*],      [289],
   [x86_64*],  [252])


 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #include <time.h>
 #include <unistd.h>
 ]], [[
     int a = 0;
     struct tm *tm = localtime(0);
     if (a == -1)  /* false */
         sleep(tm->tm_gmtoff);
 ]])],
 [AC_DEFINE(HAVE_TM_GMTOFF,1,[Does struct tm have a field tm_gmtoff?])
 ])

 AC_CHECK_DECLS([
  ADDR_NO_RANDOMIZE,
  FDPIC_FUNCPTRS,
  MMAP_PAGE_ZERO,
  ADDR_COMPAT_LAYOUT,
  READ_IMPLIES_EXEC,
  ADDR_LIMIT_32BIT,
  WHOLE_SECONDS,
  STICKY_TIMEOUTS,
  ADDR_LIMIT_3GB], [], [], [#include <linux/personality.h>])

 AC_CHECK_HEADERS([sys/swap.h])

 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
 [[
 #ifdef HAVE_SYS_SWAP_H
 # include <sys/swap.h>
 #endif
 #include <unistd.h>
 ]],
 [[swapon("/dev/null", 0);]])],
 [AC_DEFINE(SWAPON_HAS_TWO_ARGS, 1, [Is swapon() declared with two parameters?])
 ],
 [AC_MSG_NOTICE([Your libc thinks that swapon has 1 arg only.])
 ])


 dnl UTIL_SET_ARCH(ARCHNAME, PATTERN)
 dnl ---------------------------------
 AC_DEFUN([UTIL_SET_ARCH], [
   cpu_$1=false
   case "$host" in
    $2) cpu_$1=true ;;
   esac
   AM_CONDITIONAL(AS_TR_CPP(ARCH_$1), [test "x$cpu_$1" = xtrue])
 ])

 UTIL_SET_ARCH(I86, i?86-*)
 UTIL_SET_ARCH(86_64, x86_64*)
 UTIL_SET_ARCH(IA64, ia64*)
 UTIL_SET_ARCH(S390, s390*)
 UTIL_SET_ARCH(SPARC, sparc*)
 UTIL_SET_ARCH(PPC, ppc*|powerpc*)
 UTIL_SET_ARCH(M68K, m68*)
 UTIL_SET_ARCH(MIPS, mips*)
 UTIL_SET_ARCH(HPPA, hppa*)

 AC_ARG_ENABLE([arch],
   AS_HELP_STRING([--enable-arch], [do build arch]),
   [], enable_arch=no
 )
 AM_CONDITIONAL(BUILD_ARCH, test "x$enable_arch" = xyes)

 AC_ARG_ENABLE([agetty],
   AS_HELP_STRING([--disable-agetty], [do not build agetty]),
   [], enable_agetty=yes
 )
 AM_CONDITIONAL(BUILD_AGETTY, test "x$enable_agetty" = xyes)

 AC_ARG_ENABLE([cramfs],
   AS_HELP_STRING([--disable-cramfs], [do not build fsck.cramfs, mkfs.cramfs]),
   [], enable_cramfs=check
 )

 if test "x$enable_cramfs" = xno; then
   build_cramfs=no
 else
   build_cramfs=yes
   dnl Trick: leave the third parameter empty to get the default action.
   AC_CHECK_LIB(z, crc32, [], build_cramfs=no)
   case $enable_cramfs:$build_cramfs in
   yes:no) AC_MSG_ERROR([cramfs selected but libz not found]);;
   esac
 fi
 AM_CONDITIONAL(BUILD_CRAMFS, test "x$build_cramfs" = xyes)


 AC_ARG_ENABLE([elvtune],
   AS_HELP_STRING([--enable-elvtune], [build elvtune (only works with 2.2 and 2.4 kernels)]),
   [], enable_elvtune=no
 )
 AM_CONDITIONAL(BUILD_ELVTUNE, test "x$enable_elvtune" = xyes)


 AC_ARG_ENABLE([init],
   AS_HELP_STRING([--enable-init], [build simpleinit, shutdown, initctl]),
   [], enable_init=no
 )
 AM_CONDITIONAL(BUILD_INIT, test "x$enable_init" = xyes)


 AC_ARG_ENABLE([kill],
   AS_HELP_STRING([--enable-kill], [build kill]),
   [], enable_kill=no
 )
 AM_CONDITIONAL(BUILD_KILL, test "x$enable_kill" = xyes)


 AC_ARG_ENABLE([last],
   AS_HELP_STRING([--enable-last], [build last]),
   [], enable_last=no
 )
 AM_CONDITIONAL(BUILD_LAST, test "x$enable_last" = xyes)


 AC_ARG_ENABLE([mesg],
   AS_HELP_STRING([--enable-mesg], [build mesg]),
   [], enable_mesg=no
 )
 AM_CONDITIONAL(BUILD_MESG, test "x$enable_mesg" = xyes)


 AC_ARG_ENABLE([partx],
   AS_HELP_STRING([--enable-partx], [build addpart, delpart, partx]),
   [], enable_partx=no
 )
 AM_CONDITIONAL(BUILD_PARTX, test "x$enable_partx" = xyes)


 AC_ARG_ENABLE([raw],
   AS_HELP_STRING([--enable-raw], [build raw]),
   [], enable_raw=no
 )
 AM_CONDITIONAL(BUILD_RAW, test "x$enable_raw" = xyes)


 AC_ARG_ENABLE([rdev],
   AS_HELP_STRING([--enable-rdev], [build rdev on i386]),
   [], enable_rdev=no
 )
 AM_CONDITIONAL(BUILD_RDEV, test "x$enable_rdev" = xyes)


 AC_ARG_ENABLE([rename],
   AS_HELP_STRING([--disable-rename], [do not build rename]),
   [], enable_rename=yes
 )
 AM_CONDITIONAL(BUILD_RENAME, test "x$enable_rename" = xyes)


 AC_ARG_ENABLE([reset],
   AS_HELP_STRING([--enable-reset], [build reset]),
   [], enable_reset=no
 )
 AM_CONDITIONAL(BUILD_RESET, test "x$enable_reset" = xyes)


 AC_ARG_ENABLE([login-utils],
   AS_HELP_STRING([--enable-login-utils], [build chfn, chsh, login, newgrp, vipw]),
   [], enable_login_utils=no
 )
 AM_CONDITIONAL(BUILD_LOGIN_UTILS, test "x$enable_login_utils" = xyes)

 AC_ARG_WITH([pam],
   [AS_HELP_STRING([--without-pam], [compile login-utils without PAM support])])

 AM_CONDITIONAL(HAVE_PAM, false)
 if test "x$enable_login_utils" = xyes && test "x$with_pam" != xno; then
   AC_CHECK_HEADERS([security/pam_misc.h],
     [AM_CONDITIONAL(HAVE_PAM, true)],
     [if test "x$with_pam" = xyes; then
 	AC_MSG_ERROR([PAM selected but security/pam_misc.h not found])
      fi
     ])
 fi

 AC_ARG_WITH([selinux],
   AS_HELP_STRING([--with-selinux], [compile with SELinux support]),
   [], with_selinux=no
 )

 if test "x$with_selinux" = xno; then
   AM_CONDITIONAL(HAVE_SELINUX, false)
 else
   UTIL_CHECK_LIB(selinux, getprevcon)
   case "$with_selinux:$have_selinux" in
   yes:no) AC_MSG_ERROR([SELinux selected but libselinux not found]);;
   esac
 fi

 if test "x$have_selinux" = xyes; then
   SELINUX_LIBS="-lselinux -lsepol"
   SELINUX_LIBS_STATIC="-lselinux -lsepol"
 fi
 AC_SUBST([SELINUX_LIBS])
 AC_SUBST([SELINUX_LIBS_STATIC])

 AC_ARG_WITH([audit],
   AS_HELP_STRING([--with-audit], [compile with audit support]),
   [], with_audit=no
 )

 if test "x$with_audit" = xno; then
   AM_CONDITIONAL(HAVE_AUDIT, false)
 else
   UTIL_CHECK_LIB(audit, audit_log_user_message)
   case "$with_audit:$have_audit" in
   yes:no)
    AC_MSG_ERROR([Audit selected but libaudit not found (or doesn't support audit_log_user_message())])
    ;;
   esac
 fi


 AC_ARG_ENABLE([schedutils],
   AS_HELP_STRING([--disable-schedutils], [do not build chrt, ionice, teskset]),
   [], enable_schedutils=yes
 )
 AM_CONDITIONAL(BUILD_SCHEDUTILS, test "x$enable_schedutils" = xyes)


 AC_ARG_ENABLE([wall],
   AS_HELP_STRING([--disable-wall], [do not build wall]),
   [], enable_wall=yes
 )
 AM_CONDITIONAL(BUILD_WALL, test "x$enable_wall" = xyes)


 AC_ARG_ENABLE([write],
   AS_HELP_STRING([--enable-write], [build write]),
   [], enable_write=no
 )
 AM_CONDITIONAL(BUILD_WRITE, test "x$enable_write" = xyes)


 AC_ARG_ENABLE([chsh-only-listed],
   AS_HELP_STRING([--disable-chsh-only-listed], [chsh: allow shells not in /etc/shells]),
   [], enable_chsh_only_listed=yes
 )

 if test "x$enable_chsh_only_listed" = xyes; then
   AC_DEFINE(ONLY_LISTED_SHELLS, 1, [Should chsh allow only shells in /etc/shells?])
 fi


 AC_ARG_ENABLE([login-chown-vcs],
   AS_HELP_STRING([--enable-login-chown-vcs], [let login chown /dev/vcsN]),
   [], enable_login_chown_vcs=no
 )

 if test "x$enable_login_chown_vcs" = xyes; then
   AC_DEFINE(LOGIN_CHOWN_VCS, 1, [Should login chown /dev/vcsN?])
 fi


 AC_ARG_ENABLE([login-stat-mail],
   AS_HELP_STRING([--enable-login-stat-mail], [let login stat() the mailbox]),
   [], enable_login_stat_mail=no
 )

 if test "x$enable_login_stat_mail" = xyes; then
   AC_DEFINE(LOGIN_STAT_MAIL, 1, [Should login stat() the mailbox?])
 fi


 AC_ARG_ENABLE([pg-bell],
   AS_HELP_STRING([--disable-pg-bell], [let pg not ring the bell on invalid keys]),
   [], enable_pg_bell=yes
 )

 if test "x$enable_pg_bell" = xyes; then
   AC_DEFINE(PG_BELL, 1, [Should pg ring the bell on invalid keys?])
 fi


 AC_ARG_ENABLE([require-password],
   AS_HELP_STRING([--disable-require-password], [do not require the user to enter the password in chfn and chsh]),
   [], enable_require_password=yes
 )

 if test "x$enable_require_password" = xyes; then
   AC_DEFINE(REQUIRE_PASSWORD, 1, [Should chfn and chsh require the user to enter the password?])
 fi


 AC_ARG_ENABLE([use-tty-group],
   AS_HELP_STRING([--disable-use-tty-group], [do not install wall and write setgid tty]),
   [], enable_use_tty_group=yes
 )
 AM_CONDITIONAL(USE_TTY_GROUP, test "x$enable_use_tty_group" = xyes)

 if test "x$enable_use_tty_group" = xyes; then
   AC_DEFINE(USE_TTY_GROUP, 1, [Should wall and write be installed setgid tty?])
 fi

 AC_ARG_ENABLE([makeinstall-chown],
   AS_HELP_STRING([--disable-makeinstall-chown], [do not do chown-like operations during "make install"]),
   [], enable_makeinstall_chown=yes
 )
 AM_CONDITIONAL(MAKEINSTALL_DO_CHOWN, test "x$enable_makeinstall_chown" = xyes)


 AC_ARG_VAR([SUID_CFLAGS],
 	   [CFLAGS used for binaries which are usually with the suid bit])
 AC_ARG_VAR([SUID_LDFLAGS],
 	   [LDFLAGS used for binaries which are usually with the suid bit])

 LIBS=""


 AC_CONFIG_HEADERS(config.h)

 AC_CONFIG_FILES([
 Makefile
 disk-utils/Makefile
 fdisk/Makefile
 getopt/Makefile
 hwclock/Makefile
 include/Makefile
 lib/Makefile
 login-utils/Makefile
 misc-utils/Makefile
 mount/Makefile
 partx/Makefile
 po/Makefile.in
 schedutils/Makefile
 sys-utils/Makefile
 text-utils/Makefile
 tests/Makefile
 tests/helpers/Makefile
 tests/commands.sh
 misc-utils/chkdupexe:misc-utils/chkdupexe.pl
 ])

 AC_OUTPUT
	AC_INIT(util-linux-ng, 2.14.2, kzak@redhat.com)

	AC_PREREQ(2.60)

	AC_CONFIG_AUX_DIR(config)

	AM_INIT_AUTOMAKE([check-news -Wall foreign 1.9 dist-bzip2])

	AC_CONFIG_SRCDIR(mount/mount.c)

	AC_PREFIX_DEFAULT([/usr])

	# Check whether exec_prefix=/usr:
	case $exec_prefix:$prefix in
	NONE:NONE \| NONE:/usr \| /usr:*)
	AC_MSG_NOTICE([Default --exec-prefix detected.])
	case $bindir in
	'${exec_prefix}/bin') bindir=/bin
	AC_MSG_NOTICE([ --bindir defaults to /bin]) ;;
	esac
	case $sbindir in
	'${exec_prefix}/sbin') sbindir=/sbin
	AC_MSG_NOTICE([ --sbindir defaults to /sbin]) ;;
	esac ;;
	esac

	AC_PROG_CC_STDC
	AC_GNU_SOURCE
	AC_CANONICAL_HOST

	linux_os=no
	case ${host_os} in
	linux)
	linux_os=yes
	;;
	esac
	AM_CONDITIONAL([LINUX], test "x$linux_os" = xyes)

	AC_PATH_PROG(PERL, perl)
	AC_PATH_PROG(BLKID, blkid, [], [$PATH:/sbin])
	AC_PATH_PROG(VOLID, vol_id, [], [$PATH:/lib/udev])

	AC_SYS_LARGEFILE

	AC_CHECK_HEADERS([linux/compiler.h linux/blkpg.h linux/major.h], [], [], [
	#ifdef HAVE_LINUX_COMPILER_H
	#include <linux/compiler.h>
	#endif
	])
	AC_CHECK_HEADERS(
	[scsi/scsi.h \
	langinfo.h \
	locale.h \
	sys/user.h \
	rpcsvc/nfs_prot.h \
	sys/io.h \
	pty.h \
	err.h \
	linux/tiocl.h \
	linux/version.h])
	AC_CHECK_HEADERS([linux/raw.h],
	[AM_CONDITIONAL([HAVE_RAW], [true])],
	[AM_CONDITIONAL([HAVE_RAW], [false])])

	AC_CHECK_FUNCS(
	[inet_aton \
	fsync \
	getdomainname \
	get_current_dir_name \
	nanosleep \
	personality \
	updwtmp \
	lchown \
	inotify_init \
	versionsort \
	rpmatch])
	AC_FUNC_FSEEKO

	have_versionsort=no
	AC_CHECK_FUNC([versionsort], [have_versionsort=yes])
	AM_CONDITIONAL([HAVE_VERSIONSORT], test "x$have_versionsort" = xyes)

	dnl Static compilation
	m4_define([UTIL_STATIC_PROGRAMS], [losetup, mount, umount, fdisk, sfdisk])

	AC_ARG_ENABLE([static-programs],
	[AS_HELP_STRING([--enable-static-programs=LIST],
	[link static the programs in LIST (comma-separated,
	supported for ]m4_defn([UTIL_STATIC_PROGRAMS])[)])])

	case $enable_static_programs in
	yes) enable_static_programs=m4_quote(UTIL_STATIC_PROGRAMS) ;;
	no) enable_static_programs= ;;
	esac

	if test "$enable_static_programs" != ""; then
	AC_CACHE_CHECK([whether linker accepts -static],
	[static_cv_option],
	[SAVE_LDFLAGS="$LDFLAGS"
	LDFLAGS="$LDFLAGS -static"
	AC_LINK_IFELSE([AC_LANG_PROGRAM([[
	#include <stdio.h>
	]], [[
	fflush(stdout);
	]])], [static_cv_option=yes],[static_cv_option=no])
	LDFLAGS="$SAVE_LDFLAGS"
	])
	if test "x$static_cv_option" = xno; then
	AC_MSG_ERROR([the linker does not accept option -static])
	fi
	fi
	AC_SUBST([LDFLAGS_STATIC], [-static])

	dnl Set all the individual AM_CONDITIONALs
	m4_foreach([UTIL_PRG], m4_defn([UTIL_STATIC_PROGRAMS]), [
	case ,$enable_static_programs, in
	,UTIL_PRG,) static_[]UTIL_PRG=yes ;;
	esac
	AM_CONDITIONAL([HAVE_STATIC_]m4_toupper(UTIL_PRG),
	[test "x$static_[]UTIL_PRG" = xyes])
	])



	dnl UTIL_CHECK_LIB(LIBRARY, FUNCTION, [VARSUFFIX = $1]))
	dnl The VARSUFFIX is optional and overrides the default behaviour. For example:
	dnl UTIL_CHECK_LIB(yyy, func, xxx) generates have_xxx and HAVE_LIBXXX
	dnl UTIL_CHECK_LIB(yyy, func) generates have_yyy and HAVE_LIBYYY
	dnl ---------------------------------
	AC_DEFUN([UTIL_CHECK_LIB], [
	m4_define([suffix], m4_default([$3],$1))
	[have_]suffix=yes
	m4_ifdef([$3],
	[AC_CHECK_LIB([$1], [$2], [AC_DEFINE(AS_TR_CPP([HAVE_LIB]suffix), 1)], [[have_]suffix=no])],
	[AC_CHECK_LIB([$1], [$2], [], [[have_]suffix=no])])
	AM_CONDITIONAL(AS_TR_CPP([HAVE_]suffix), [test [$have_]suffix = yes])
	])

	UTIL_CHECK_LIB(uuid, uuid_is_null)
	if test "x$have_uuid" = xno; then
	AC_MSG_WARN([uuid library is not found; mkswap(8) will not generate UUIDs])
	fi

	UTIL_CHECK_LIB(util, openpty)
	UTIL_CHECK_LIB(termcap, tgetnum)

	AC_ARG_WITH([fsprobe],
	[AS_HELP_STRING([--with-fsprobe], [library to guess filesystems (blkid\|volume_id), default is blkid])],
	[], [with_fsprobe=blkid]
	)

	AM_CONDITIONAL(HAVE_BLKID, false)
	AM_CONDITIONAL(HAVE_VOLUME_ID, false)

	have_blkid=no
	have_volume_id=no
	if test "x$with_fsprobe" = xblkid; then
	UTIL_CHECK_LIB(blkid, blkid_known_fstype)
	elif test "x$with_fsprobe" = xvolume_id; then
	UTIL_CHECK_LIB(volume_id, volume_id_encode_string)
	fi

	if test "x$have_blkid" = xno && test "x$have_volume_id" = xno; then
	AC_MSG_ERROR([blkid or volume_id is needed to build util-linux-ng.])
	fi

	dnl UTIL_PKG_STATIC(VARIABLE, MODULES)
	dnl ----------------------------------
	AC_DEFUN([UTIL_PKG_STATIC], [
	if AC_RUN_LOG([pkg-config --exists --print-errors "$2"]); then
	$1=`pkg-config --libs --static "$2"`
	else
	AC_MSG_ERROR([pkg-config description of $2, needed for static build, is not available])
	fi
	])

	# These default values should work in most cases:
	: ${BLKID_LIBS='-lblkid -luuid'}
	: ${VOLUMEID_LIBS='-lvolume_id'}

	# ... but for static build, we need to consult pkg-config:
	if test -n "$enable_static_programs"; then
	case $with_fsprobe in
	blkid) UTIL_PKG_STATIC([BLKID_LIBS_STATIC], [blkid]) ;;
	volume_id) UTIL_PKG_STATIC([VOLUMEID_LIBS_STATIC], [libvolume_id]) ;;
	esac
	fi

	AC_ARG_VAR([BLKID_LIBS], [-l options for linking dynamically with blkid])
	AC_ARG_VAR([BLKID_LIBS_STATIC], [-l options for linking statically with blkid])
	AC_ARG_VAR([VOLUMEID_LIBS], [-l options for linking dynamically with volume_id])
	AC_ARG_VAR([VOLUMEID_LIBS_STATIC], [-l options for linking statically with volume_id])


	AM_GNU_GETTEXT_VERSION([0.14.1])
	AM_GNU_GETTEXT([external])
	if test -d "$srcdir/po"
	then
	ALL_LINGUAS=`cd $srcdir/po > /dev/null && echo *.po \| sed 's/\.po//g'`
	else
	ALL_LINGUAS="af am ar as be bg bn_IN bn ca cs cy da de el en_GB es et eu_ES fa fi fr gl gu he hi hr hu hy id is it ja ka kn ko ku lo lt lv mk ml mr ms my nb nl nn no nso or pa pl pt_BR pt ro ru si sk sl sq sr@Latn sr sv ta te th tr uk ur vi zh_CN zh_TW zu"
	fi

	AC_ARG_WITH([ncurses],
	AS_HELP_STRING([--with-ncurses], [build with non-wide ncurses, default is wide version
	(--without-ncurses disables all ncurses(w) support)]),
	[], with_ncurses=auto
	)
	AM_CONDITIONAL(HAVE_NCURSES, false)

	if test "x$with_ncurses" != xno; then
	have_ncurses=no
	AC_CHECK_HEADERS([ncurses.h ncurses/ncurses.h], [
	if test "x$with_ncurses" = xauto; then
	UTIL_CHECK_LIB(ncursesw, initscr, ncurses)
	if test "x$have_ncurses" = xyes; then
	NCURSES_LIBS="-lncursesw"
	fi
	fi
	if test "x$have_ncurses" = xno; then
	UTIL_CHECK_LIB(ncurses, initscr)
	if test "x$have_ncurses" = xyes; then
	NCURSES_LIBS="-lncurses"
	fi
	fi
	])
	if test "x$have_ncurses" = xno; then
	AC_MSG_ERROR([ncurses or ncursesw selected, but library not found (--without-ncurses to disable)])
	fi
	fi
	AC_SUBST([NCURSES_LIBS])


	AC_ARG_WITH([slang],
	AS_HELP_STRING([--with-slang], [compile cfdisk with slang]),
	[], with_slang=no
	)

	have_tinfo=no
	AC_CHECK_LIB(tinfo, tgetent, [have_tinfo=yes])
	AM_CONDITIONAL(HAVE_TINFO, test "x$have_tinfo" = xyes)

	use_slang=no
	if test "x$with_slang" = xyes; then
	AC_CHECK_HEADERS([slcurses.h slang/slcurses.h], [use_slang=yes])
	if test "x$use_slang" = xno; then
	AC_MSG_ERROR([slang selected but slcurses.h not found])
	fi
	fi
	AM_CONDITIONAL(USE_SLANG, test "x$use_slang" = xyes)


	AC_LINK_IFELSE([AC_LANG_PROGRAM([[
	#define _XOPEN_SOURCE
	#include <unistd.h>
	]], [[
	char *c = crypt("abc","pw");
	]])],[],[
	LIBS="$LIBS -lcrypt"
	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
	#define _XOPEN_SOURCE
	#include <unistd.h>
	]], [[
	char *c = crypt("abc","pw");
	]])],[
	AC_DEFINE(NEED_LIBCRYPT, 1, [Do we need -lcrypt?])
	need_libcrypt=yes
	],[
	AC_MSG_ERROR([crypt() is not available])
	])
	])

	AM_CONDITIONAL(NEED_LIBCRYPT, test "x$need_libcrypt" = xyes)

	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
	#include <stdio.h>
	]], [[
	printf(__progname);
	]])],
	[AC_DEFINE(HAVE___PROGNAME, 1, Do we have __progname?)
	])


	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
	#include <wchar.h>
	#include <wctype.h>
	#include <stdio.h>
	]], [[
	wchar_t wc;
	wint_t w;
	w = fgetwc(stdin);
	if (w == WEOF) exit(1);
	wc = w;
	fputwc(wc,stdout);
	]])],
	[AC_DEFINE(HAVE_WIDECHAR,1,Do we have wide character support?)
	])


	dnl UTIL_CHECK_SYSCALL(SYSCALL, FALLBACK, ...)
	dnl Only specify FALLBACK if the SYSCALL
	dnl you're checking for is a "newish" one
	dnl -------------------------------------
	AC_DEFUN([UTIL_CHECK_SYSCALL], [
	dnl This macro uses host_cpu.
	AC_REQUIRE([AC_CANONICAL_HOST])
	AC_CACHE_CHECK([for syscall $1],
	[util_cv_syscall_$1],
	[_UTIL_SYSCALL_CHECK_DECL([SYS_$1],
	[syscall=SYS_$1],
	[dnl Our libc failed use, so see if we can get the kernel
	dnl headers to play ball ...
	_UTIL_SYSCALL_CHECK_DECL([_NR_$1],
	[syscall=_NR_$1],
	[
	syscall=no
	if test "x$linux_os" = xyes; then
	case $host_cpu in
	_UTIL_CHECK_SYSCALL_FALLBACK(m4_shift($@))
	esac
	fi
	])
	])
	util_cv_syscall_$1=$syscall
	])
	AM_CONDITIONAL([HAVE_]m4_toupper($1), [test "x$util_cv_syscall_$1" != xno])
	case $util_cv_syscall_$1 in #(
	no) AC_MSG_WARN([Unable to detect syscall $1.]) ;;
	SYS_*) ;;
	*) AC_DEFINE_UNQUOTED([SYS_$1], [$util_cv_syscall_$1],
	[Fallback syscall number for $1]) ;;
	esac
	])

	dnl _UTIL_SYSCALL_CHECK_DECL(SYMBOL, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
	dnl Check if SYMBOL is declared, using the headers needed for syscall checks.
	dnl -------------------------------------
	m4_define([_UTIL_SYSCALL_CHECK_DECL],
	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
	#include <sys/syscall.h>
	#include <unistd.h>
	]], [[int test = $1;]])],
	[$2], [$3])
	])

	dnl _UTIL_CHECK_SYSCALL_FALLBACK(PATTERN, VALUE, ...)
	dnl Helper macro to create the body for the above `case'.
	dnl -------------------------------------
	m4_define([_UTIL_CHECK_SYSCALL_FALLBACK],
	[m4_ifval([$1],
	[#(
	$1) syscall="$2" ;;dnl
	_UTIL_CHECK_SYSCALL_FALLBACK(m4_shiftn(2, $@))])dnl
	])


	UTIL_CHECK_SYSCALL([pivot_root])
	UTIL_CHECK_SYSCALL([sched_getaffinity])
	UTIL_CHECK_SYSCALL([ioprio_set],
	[alpha], [442],
	[i*86], [289],
	[ia64*], [1274],
	[powerpc*], [273],
	[s390*], [282],
	[sparc*], [196],
	[sh*], [288],
	[x86_64*], [251])
	UTIL_CHECK_SYSCALL([ioprio_get],
	[alpha], [443],
	[i*86], [290],
	[ia64*], [1275],
	[powerpc*], [274],
	[s390*], [283],
	[sparc*], [218],
	[sh*], [289],
	[x86_64*], [252])


	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
	#include <time.h>
	#include <unistd.h>
	]], [[
	int a = 0;
	struct tm *tm = localtime(0);
	if (a == -1) /* false */
	sleep(tm->tm_gmtoff);
	]])],
	[AC_DEFINE(HAVE_TM_GMTOFF,1,[Does struct tm have a field tm_gmtoff?])
	])

	AC_CHECK_DECLS([
	ADDR_NO_RANDOMIZE,
	FDPIC_FUNCPTRS,
	MMAP_PAGE_ZERO,
	ADDR_COMPAT_LAYOUT,
	READ_IMPLIES_EXEC,
	ADDR_LIMIT_32BIT,
	WHOLE_SECONDS,
	STICKY_TIMEOUTS,
	ADDR_LIMIT_3GB], [], [], [#include <linux/personality.h>])

	AC_CHECK_HEADERS([sys/swap.h])

	AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
	[[
	#ifdef HAVE_SYS_SWAP_H
	# include <sys/swap.h>
	#endif
	#include <unistd.h>
	]],
	[[swapon("/dev/null", 0);]])],
	[AC_DEFINE(SWAPON_HAS_TWO_ARGS, 1, [Is swapon() declared with two parameters?])
	],
	[AC_MSG_NOTICE([Your libc thinks that swapon has 1 arg only.])
	])


	dnl UTIL_SET_ARCH(ARCHNAME, PATTERN)
	dnl ---------------------------------
	AC_DEFUN([UTIL_SET_ARCH], [
	cpu_$1=false
	case "$host" in
	$2) cpu_$1=true ;;
	esac
	AM_CONDITIONAL(AS_TR_CPP(ARCH_$1), [test "x$cpu_$1" = xtrue])
	])

	UTIL_SET_ARCH(I86, i?86-*)
	UTIL_SET_ARCH(86_64, x86_64*)
	UTIL_SET_ARCH(IA64, ia64*)
	UTIL_SET_ARCH(S390, s390*)
	UTIL_SET_ARCH(SPARC, sparc*)
	UTIL_SET_ARCH(PPC, ppc\|powerpc)
	UTIL_SET_ARCH(M68K, m68*)
	UTIL_SET_ARCH(MIPS, mips*)
	UTIL_SET_ARCH(HPPA, hppa*)

	AC_ARG_ENABLE([arch],
	AS_HELP_STRING([--enable-arch], [do build arch]),
	[], enable_arch=no
	)
	AM_CONDITIONAL(BUILD_ARCH, test "x$enable_arch" = xyes)

	AC_ARG_ENABLE([agetty],
	AS_HELP_STRING([--disable-agetty], [do not build agetty]),
	[], enable_agetty=yes
	)
	AM_CONDITIONAL(BUILD_AGETTY, test "x$enable_agetty" = xyes)

	AC_ARG_ENABLE([cramfs],
	AS_HELP_STRING([--disable-cramfs], [do not build fsck.cramfs, mkfs.cramfs]),
	[], enable_cramfs=check
	)

	if test "x$enable_cramfs" = xno; then
	build_cramfs=no
	else
	build_cramfs=yes
	dnl Trick: leave the third parameter empty to get the default action.
	AC_CHECK_LIB(z, crc32, [], build_cramfs=no)
	case $enable_cramfs:$build_cramfs in
	yes:no) AC_MSG_ERROR([cramfs selected but libz not found]);;
	esac
	fi
	AM_CONDITIONAL(BUILD_CRAMFS, test "x$build_cramfs" = xyes)


	AC_ARG_ENABLE([elvtune],
	AS_HELP_STRING([--enable-elvtune], [build elvtune (only works with 2.2 and 2.4 kernels)]),
	[], enable_elvtune=no
	)
	AM_CONDITIONAL(BUILD_ELVTUNE, test "x$enable_elvtune" = xyes)


	AC_ARG_ENABLE([init],
	AS_HELP_STRING([--enable-init], [build simpleinit, shutdown, initctl]),
	[], enable_init=no
	)
	AM_CONDITIONAL(BUILD_INIT, test "x$enable_init" = xyes)


	AC_ARG_ENABLE([kill],
	AS_HELP_STRING([--enable-kill], [build kill]),
	[], enable_kill=no
	)
	AM_CONDITIONAL(BUILD_KILL, test "x$enable_kill" = xyes)


	AC_ARG_ENABLE([last],
	AS_HELP_STRING([--enable-last], [build last]),
	[], enable_last=no
	)
	AM_CONDITIONAL(BUILD_LAST, test "x$enable_last" = xyes)


	AC_ARG_ENABLE([mesg],
	AS_HELP_STRING([--enable-mesg], [build mesg]),
	[], enable_mesg=no
	)
	AM_CONDITIONAL(BUILD_MESG, test "x$enable_mesg" = xyes)


	AC_ARG_ENABLE([partx],
	AS_HELP_STRING([--enable-partx], [build addpart, delpart, partx]),
	[], enable_partx=no
	)
	AM_CONDITIONAL(BUILD_PARTX, test "x$enable_partx" = xyes)


	AC_ARG_ENABLE([raw],
	AS_HELP_STRING([--enable-raw], [build raw]),
	[], enable_raw=no
	)
	AM_CONDITIONAL(BUILD_RAW, test "x$enable_raw" = xyes)


	AC_ARG_ENABLE([rdev],
	AS_HELP_STRING([--enable-rdev], [build rdev on i386]),
	[], enable_rdev=no
	)
	AM_CONDITIONAL(BUILD_RDEV, test "x$enable_rdev" = xyes)


	AC_ARG_ENABLE([rename],
	AS_HELP_STRING([--disable-rename], [do not build rename]),
	[], enable_rename=yes
	)
	AM_CONDITIONAL(BUILD_RENAME, test "x$enable_rename" = xyes)


	AC_ARG_ENABLE([reset],
	AS_HELP_STRING([--enable-reset], [build reset]),
	[], enable_reset=no
	)
	AM_CONDITIONAL(BUILD_RESET, test "x$enable_reset" = xyes)


	AC_ARG_ENABLE([login-utils],
	AS_HELP_STRING([--enable-login-utils], [build chfn, chsh, login, newgrp, vipw]),
	[], enable_login_utils=no
	)
	AM_CONDITIONAL(BUILD_LOGIN_UTILS, test "x$enable_login_utils" = xyes)

	AC_ARG_WITH([pam],
	[AS_HELP_STRING([--without-pam], [compile login-utils without PAM support])])

	AM_CONDITIONAL(HAVE_PAM, false)
	if test "x$enable_login_utils" = xyes && test "x$with_pam" != xno; then
	AC_CHECK_HEADERS([security/pam_misc.h],
	[AM_CONDITIONAL(HAVE_PAM, true)],
	[if test "x$with_pam" = xyes; then
	AC_MSG_ERROR([PAM selected but security/pam_misc.h not found])
	fi
	])
	fi

	AC_ARG_WITH([selinux],
	AS_HELP_STRING([--with-selinux], [compile with SELinux support]),
	[], with_selinux=no
	)

	if test "x$with_selinux" = xno; then
	AM_CONDITIONAL(HAVE_SELINUX, false)
	else
	UTIL_CHECK_LIB(selinux, getprevcon)
	case "$with_selinux:$have_selinux" in
	yes:no) AC_MSG_ERROR([SELinux selected but libselinux not found]);;
	esac
	fi

	if test "x$have_selinux" = xyes; then
	SELINUX_LIBS="-lselinux -lsepol"
	SELINUX_LIBS_STATIC="-lselinux -lsepol"
	fi
	AC_SUBST([SELINUX_LIBS])
	AC_SUBST([SELINUX_LIBS_STATIC])

	AC_ARG_WITH([audit],
	AS_HELP_STRING([--with-audit], [compile with audit support]),
	[], with_audit=no
	)

	if test "x$with_audit" = xno; then
	AM_CONDITIONAL(HAVE_AUDIT, false)
	else
	UTIL_CHECK_LIB(audit, audit_log_user_message)
	case "$with_audit:$have_audit" in
	yes:no)
	AC_MSG_ERROR([Audit selected but libaudit not found (or doesn't support audit_log_user_message())])
	;;
	esac
	fi


	AC_ARG_ENABLE([schedutils],
	AS_HELP_STRING([--disable-schedutils], [do not build chrt, ionice, teskset]),
	[], enable_schedutils=yes
	)
	AM_CONDITIONAL(BUILD_SCHEDUTILS, test "x$enable_schedutils" = xyes)


	AC_ARG_ENABLE([wall],
	AS_HELP_STRING([--disable-wall], [do not build wall]),
	[], enable_wall=yes
	)
	AM_CONDITIONAL(BUILD_WALL, test "x$enable_wall" = xyes)


	AC_ARG_ENABLE([write],
	AS_HELP_STRING([--enable-write], [build write]),
	[], enable_write=no
	)
	AM_CONDITIONAL(BUILD_WRITE, test "x$enable_write" = xyes)


	AC_ARG_ENABLE([chsh-only-listed],
	AS_HELP_STRING([--disable-chsh-only-listed], [chsh: allow shells not in /etc/shells]),
	[], enable_chsh_only_listed=yes
	)

	if test "x$enable_chsh_only_listed" = xyes; then
	AC_DEFINE(ONLY_LISTED_SHELLS, 1, [Should chsh allow only shells in /etc/shells?])
	fi


	AC_ARG_ENABLE([login-chown-vcs],
	AS_HELP_STRING([--enable-login-chown-vcs], [let login chown /dev/vcsN]),
	[], enable_login_chown_vcs=no
	)

	if test "x$enable_login_chown_vcs" = xyes; then
	AC_DEFINE(LOGIN_CHOWN_VCS, 1, [Should login chown /dev/vcsN?])
	fi


	AC_ARG_ENABLE([login-stat-mail],
	AS_HELP_STRING([--enable-login-stat-mail], [let login stat() the mailbox]),
	[], enable_login_stat_mail=no
	)

	if test "x$enable_login_stat_mail" = xyes; then
	AC_DEFINE(LOGIN_STAT_MAIL, 1, [Should login stat() the mailbox?])
	fi


	AC_ARG_ENABLE([pg-bell],
	AS_HELP_STRING([--disable-pg-bell], [let pg not ring the bell on invalid keys]),
	[], enable_pg_bell=yes
	)

	if test "x$enable_pg_bell" = xyes; then
	AC_DEFINE(PG_BELL, 1, [Should pg ring the bell on invalid keys?])
	fi


	AC_ARG_ENABLE([require-password],
	AS_HELP_STRING([--disable-require-password], [do not require the user to enter the password in chfn and chsh]),
	[], enable_require_password=yes
	)

	if test "x$enable_require_password" = xyes; then
	AC_DEFINE(REQUIRE_PASSWORD, 1, [Should chfn and chsh require the user to enter the password?])
	fi


	AC_ARG_ENABLE([use-tty-group],
	AS_HELP_STRING([--disable-use-tty-group], [do not install wall and write setgid tty]),
	[], enable_use_tty_group=yes
	)
	AM_CONDITIONAL(USE_TTY_GROUP, test "x$enable_use_tty_group" = xyes)

	if test "x$enable_use_tty_group" = xyes; then
	AC_DEFINE(USE_TTY_GROUP, 1, [Should wall and write be installed setgid tty?])
	fi

	AC_ARG_ENABLE([makeinstall-chown],
	AS_HELP_STRING([--disable-makeinstall-chown], [do not do chown-like operations during "make install"]),
	[], enable_makeinstall_chown=yes
	)
	AM_CONDITIONAL(MAKEINSTALL_DO_CHOWN, test "x$enable_makeinstall_chown" = xyes)


	AC_ARG_VAR([SUID_CFLAGS],
	[CFLAGS used for binaries which are usually with the suid bit])
	AC_ARG_VAR([SUID_LDFLAGS],
	[LDFLAGS used for binaries which are usually with the suid bit])

	LIBS=""


	AC_CONFIG_HEADERS(config.h)

	AC_CONFIG_FILES([
	Makefile
	disk-utils/Makefile
	fdisk/Makefile
	getopt/Makefile
	hwclock/Makefile
	include/Makefile
	lib/Makefile
	login-utils/Makefile
	misc-utils/Makefile
	mount/Makefile
	partx/Makefile
	po/Makefile.in
	schedutils/Makefile
	sys-utils/Makefile
	text-utils/Makefile
	tests/Makefile
	tests/helpers/Makefile
	tests/commands.sh
	misc-utils/chkdupexe:misc-utils/chkdupexe.pl
	])

	AC_OUTPUT