configure.ac

OpenSSL Source code for SFTP, SSH, and many others

# $Id: configure.ac,v 1.67 2002/06/21 00:01:19 mouring Exp $

AC_INIT
AC_CONFIG_SRCDIR([ssh.c])

AC_CONFIG_HEADER(config.h)
AC_PROG_CC
AC_CANONICAL_HOST
AC_C_BIGENDIAN

# Checks for programs.
AC_PROG_CPP
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PATH_PROG(AR, ar)
AC_PATH_PROGS(PERL, perl5 perl)
AC_SUBST(PERL)
AC_PATH_PROG(ENT, ent)
AC_SUBST(ENT)
AC_PATH_PROGS(FILEPRIV, filepriv, true, /sbin:/usr/sbin)
AC_PATH_PROG(TEST_MINUS_S_SH, bash)
AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
AC_PATH_PROG(TEST_MINUS_S_SH, sh)
AC_PATH_PROG(SH, sh)

# System features
AC_SYS_LARGEFILE

if test -z "$AR" ; then
	AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
fi

# Use LOGIN_PROGRAM from environment if possible
if test ! -z "$LOGIN_PROGRAM" ; then
	AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
else
	# Search for login
	AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
	if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
		AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
	fi
fi

if test -z "$LD" ; then
	LD=$CC
fi
AC_SUBST(LD)
	
AC_C_INLINE
if test "$GCC" = "yes" || test "$GCC" = "egcs"; then 
	CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wno-uninitialized"
fi

# Check for some target-specific stuff
case "$host" in
*-*-aix*)
	AFS_LIBS="-lld"
	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	if (test "$LD" != "gcc" && test -z "$blibpath"); then
		AC_MSG_CHECKING([if linkage editor ($LD) accepts -blibpath])
		saved_LDFLAGS="$LDFLAGS"
		LDFLAGS="$LDFLAGS -blibpath:/usr/lib:/lib:/usr/local/lib"
		AC_TRY_LINK([],
			[],
			[
				AC_MSG_RESULT(yes)
				blibpath="/usr/lib:/lib:/usr/local/lib"
			],
			[ AC_MSG_RESULT(no) ]
		)
		LDFLAGS="$saved_LDFLAGS"
	fi
	AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
	AC_DEFINE(BROKEN_GETADDRINFO)
	AC_DEFINE(BROKEN_REALPATH)
	dnl AIX handles lastlog as part of its login message
	AC_DEFINE(DISABLE_LASTLOG)
	;;
*-*-cygwin*)
	LIBS="$LIBS /usr/lib/textmode.o"
	AC_DEFINE(HAVE_CYGWIN)
	AC_DEFINE(USE_PIPES)
	AC_DEFINE(DISABLE_SHADOW)
	AC_DEFINE(IPV4_DEFAULT)
	AC_DEFINE(IP_TOS_IS_BROKEN)
	AC_DEFINE(NO_X11_UNIX_SOCKETS)
	AC_DEFINE(SETGROUPS_NOOP)
	;;
*-*-dgux*)
	AC_DEFINE(IP_TOS_IS_BROKEN)
	;;
*-*-darwin*)
	AC_DEFINE(BROKEN_GETADDRINFO)
	;;
*-*-hpux10.26)
	if test -z "$GCC"; then
		CFLAGS="$CFLAGS -Ae"
	fi
	CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
	IPADDR_IN_DISPLAY=yes
	AC_DEFINE(HAVE_SECUREWARE)
	AC_DEFINE(USE_PIPES)
	AC_DEFINE(LOGIN_NO_ENDOPT)
	AC_DEFINE(LOGIN_NEEDS_UTMPX)
	AC_DEFINE(DISABLE_SHADOW)
	AC_DEFINE(DISABLE_UTMP)
	AC_DEFINE(SPT_TYPE,SPT_PSTAT)
	LIBS="$LIBS -lxnet -lsec -lsecpw"
	disable_ptmx_check=yes
	;;
*-*-hpux10*)
	if test -z "$GCC"; then
		CFLAGS="$CFLAGS -Ae"
	fi
	CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
	IPADDR_IN_DISPLAY=yes
	AC_DEFINE(USE_PIPES)
	AC_DEFINE(LOGIN_NO_ENDOPT)
	AC_DEFINE(LOGIN_NEEDS_UTMPX)
	AC_DEFINE(DISABLE_SHADOW)
	AC_DEFINE(DISABLE_UTMP)
	AC_DEFINE(SPT_TYPE,SPT_PSTAT)
	LIBS="$LIBS -lxnet -lsec"
	;;
*-*-hpux11*)
	CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
	IPADDR_IN_DISPLAY=yes
	AC_DEFINE(PAM_SUN_CODEBASE)
	AC_DEFINE(USE_PIPES)
	AC_DEFINE(LOGIN_NO_ENDOPT)
	AC_DEFINE(LOGIN_NEEDS_UTMPX)
	AC_DEFINE(DISABLE_SHADOW)
	AC_DEFINE(DISABLE_UTMP)
	AC_DEFINE(SPT_TYPE,SPT_PSTAT)
	LIBS="$LIBS -lxnet -lsec"
	;;
*-*-irix5*)
	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	LDFLAGS="$LDFLAGS"
	PATH="$PATH:/usr/etc"
	AC_DEFINE(BROKEN_INET_NTOA)
	AC_DEFINE(WITH_ABBREV_NO_TTY)
	;;
*-*-irix6*)
	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	LDFLAGS="$LDFLAGS"
	PATH="$PATH:/usr/etc"
	AC_DEFINE(WITH_IRIX_ARRAY)
	AC_DEFINE(WITH_IRIX_PROJECT)
	AC_DEFINE(WITH_IRIX_AUDIT)
	AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
	AC_DEFINE(BROKEN_INET_NTOA)
	AC_DEFINE(WITH_ABBREV_NO_TTY)
	;;
*-*-linux*)
	no_dev_ptmx=1
	check_for_libcrypt_later=1
	AC_DEFINE(DONT_TRY_OTHER_AF)
	AC_DEFINE(PAM_TTY_KLUDGE)
	inet6_default_4in6=yes
	;;
mips-sony-bsd|mips-sony-newsos4)
	AC_DEFINE(HAVE_NEWS4)
	SONY=1
	;;
*-*-netbsd*)
	need_dash_r=1
	;;
*-*-freebsd*)
	check_for_libcrypt_later=1
	;;
*-next-*)
	conf_lastlog_location="/usr/adm/lastlog"
	conf_utmp_location=/etc/utmp
	conf_wtmp_location=/usr/adm/wtmp
	MAIL=/usr/spool/mail
	AC_DEFINE(HAVE_NEXT)
	AC_DEFINE(BROKEN_REALPATH)
	AC_DEFINE(USE_PIPES)
	AC_DEFINE(BROKEN_SAVED_UIDS)
	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	CFLAGS="$CFLAGS"
	;;
*-*-solaris*)
	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib" 
	need_dash_r=1
	AC_DEFINE(PAM_SUN_CODEBASE)
	AC_DEFINE(LOGIN_NEEDS_UTMPX)
	AC_DEFINE(LOGIN_NEEDS_TERM)
	AC_DEFINE(PAM_TTY_KLUDGE)
	# hardwire lastlog location (can't detect it on some versions)
	conf_lastlog_location="/var/adm/lastlog"
	AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
	sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
	if test "$sol2ver" -ge 8; then
		AC_MSG_RESULT(yes)
		AC_DEFINE(DISABLE_UTMP)
		AC_DEFINE(DISABLE_WTMP)
	else
		AC_MSG_RESULT(no)
	fi
	;;
*-*-sunos4*)
	CPPFLAGS="$CPPFLAGS -DSUNOS4"
	AC_CHECK_FUNCS(getpwanam)
	AC_DEFINE(PAM_SUN_CODEBASE)
	conf_utmp_location=/etc/utmp
	conf_wtmp_location=/var/adm/wtmp
	conf_lastlog_location=/var/adm/lastlog
	AC_DEFINE(USE_PIPES)
	;;
*-ncr-sysv*)
	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	LIBS="$LIBS -lc89"
	AC_DEFINE(USE_PIPES)
	;;
*-sni-sysv*)
	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	# /usr/ucblib MUST NOT be searched on ReliantUNIX
	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	IPADDR_IN_DISPLAY=yes
	AC_DEFINE(USE_PIPES)
	AC_DEFINE(IP_TOS_IS_BROKEN)
	# /usr/ucblib/libucb.a no longer needed on ReliantUNIX
	# Attention: always take care to bind libsocket and libnsl before libc,
	# otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
	;;
*-*-sysv4.2*)
	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	AC_DEFINE(USE_PIPES)
	;;
*-*-sysv5*)
	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	AC_DEFINE(USE_PIPES)
	;;
*-*-sysv*)
	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	;;
*-*-sco3.2v4*)
	CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	LIBS="$LIBS -los -lprot -lx -ltinfo -lm"
	rsh_path="/usr/bin/rcmd"
	RANLIB=true
	no_dev_ptmx=1
	AC_DEFINE(BROKEN_SYS_TERMIO_H)
	AC_DEFINE(USE_PIPES)
	AC_DEFINE(HAVE_SECUREWARE)
	AC_DEFINE(DISABLE_SHADOW)
	AC_DEFINE(BROKEN_SAVED_UIDS)
	AC_CHECK_FUNCS(getluid setluid)
	MANTYPE=man
	do_sco3_extra_lib_check=yes
	;;
*-*-sco3.2v5*)
	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	LIBS="$LIBS -lprot -lx -ltinfo -lm"
	no_dev_ptmx=1
	rsh_path="/usr/bin/rcmd"
	AC_DEFINE(USE_PIPES)
	AC_DEFINE(HAVE_SECUREWARE)
	AC_DEFINE(DISABLE_SHADOW)
	AC_CHECK_FUNCS(getluid setluid)
	MANTYPE=man
	;;
*-*-unicos*)
	no_libsocket=1
	no_libnsl=1
	AC_DEFINE(USE_PIPES)
	LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal,-L/usr/local/lib"
	LIBS="$LIBS -lgen -lrsc"
	;;
*-dec-osf*)
	AC_MSG_CHECKING(for Digital Unix SIA)
	no_osfsia=""
	AC_ARG_WITH(osfsia,
		[  --with-osfsia           Enable Digital Unix SIA],
		[
			if test "x$withval" = "xno" ; then
				AC_MSG_RESULT(disabled)
				no_osfsia=1
			fi
		],
	)
	if test -z "$no_osfsia" ; then
		if test -f /etc/sia/matrix.conf; then
			AC_MSG_RESULT(yes)
			AC_DEFINE(HAVE_OSF_SIA)
			AC_DEFINE(DISABLE_LOGIN)
			LIBS="$LIBS -lsecurity -ldb -lm -laud"
		else
			AC_MSG_RESULT(no)
		fi
	fi
	;;

*-*-nto-qnx)
	AC_DEFINE(USE_PIPES)
	AC_DEFINE(NO_X11_UNIX_SOCKETS)
	AC_DEFINE(MISSING_NFDBITS)
	AC_DEFINE(MISSING_HOWMANY)
	AC_DEFINE(MISSING_FD_MASK)
	;;
esac

# Allow user to specify flags
AC_ARG_WITH(cflags,
	[  --with-cflags           Specify additional flags to pass to compiler],
	[
		if test "x$withval" != "xno" ; then
			CFLAGS="$CFLAGS $withval"
		fi
	]	
)
AC_ARG_WITH(cppflags,
	[  --with-cppflags         Specify additional flags to pass to preprocessor] ,
	[
		if test "x$withval" != "xno"; then
			CPPFLAGS="$CPPFLAGS $withval"
		fi
	]
)
AC_ARG_WITH(ldflags,
	[  --with-ldflags          Specify additional flags to pass to linker],
	[
		if test "x$withval" != "xno" ; then
			LDFLAGS="$LDFLAGS $withval"
		fi
	]	
)
AC_ARG_WITH(libs,
	[  --with-libs             Specify additional libraries to link with],
	[
		if test "x$withval" != "xno" ; then
			LIBS="$LIBS $withval"
		fi
	]	
)

# Checks for header files.
AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
	getopt.h glob.h lastlog.h limits.h login.h \
	login_cap.h maillock.h netdb.h netgroup.h \
	netinet/in_systm.h paths.h pty.h readpassphrase.h \
	rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \
	strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
	sys/mman.h sys/select.h sys/stat.h \
	sys/stropts.h sys/sysmacros.h sys/time.h \
	sys/un.h time.h ttyent.h usersec.h \
	util.h utime.h utmp.h utmpx.h)

# Checks for libraries.
AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))

dnl SCO OS3 needs this for libwrap
if test "x$with_tcp_wrappers" != "xno" ; then
    if test "x$do_sco3_extra_lib_check" = "xyes" ; then
	AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
    fi
fi

AC_CHECK_FUNC(getspnam, ,
	AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))

AC_ARG_WITH(rpath,
	[  --without-rpath         Disable auto-added -R linker paths],
	[
		if test "x$withval" = "xno" ; then	
			need_dash_r=""
		fi
		if test "x$withval" = "xyes" ; then
			need_dash_r=1
		fi
	]
)

dnl zlib is required
AC_ARG_WITH(zlib,
	[  --with-zlib=PATH        Use zlib in PATH],
	[
		if test "x$withval" = "xno" ; then
			AC_MSG_ERROR([*** zlib is required ***])
		fi
		if test -d "$withval/lib"; then
			if test -n "${need_dash_r}"; then
				LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
			else
				LDFLAGS="-L${withval}/lib ${LDFLAGS}"
			fi
		else
			if test -n "${need_dash_r}"; then
				LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
			else
				LDFLAGS="-L${withval} ${LDFLAGS}"
			fi
		fi
		if test -d "$withval/include"; then
			CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
		else
			CPPFLAGS="-I${withval} ${CPPFLAGS}"
		fi
	]
)

AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))

dnl UnixWare 2.x
AC_CHECK_FUNC(strcasecmp, 
	[], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
)
AC_CHECK_FUNC(utimes, 
	[], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
)

dnl    Checks for libutil functions
AC_CHECK_HEADERS(libutil.h)
AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN)])
AC_CHECK_FUNCS(logout updwtmp logwtmp)

AC_FUNC_STRFTIME

# Check for ALTDIRFUNC glob() extension
AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
AC_EGREP_CPP(FOUNDIT,
	[
		#include <glob.h>
		#ifdef GLOB_ALTDIRFUNC
		FOUNDIT
		#endif
	], 
	[
		AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
		AC_MSG_RESULT(yes)
	],
	[
		AC_MSG_RESULT(no)
	]
)

# Check for g.gl_matchc glob() extension
AC_MSG_CHECKING(for gl_matchc field in glob_t)
AC_EGREP_CPP(FOUNDIT,
        [
                #include <glob.h>
		int main(void){glob_t g; g.gl_matchc = 1;}
        ],
        [
                AC_DEFINE(GLOB_HAS_GL_MATCHC)
                AC_MSG_RESULT(yes)
        ],
        [
                AC_MSG_RESULT(no)
        ]
)

AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
AC_TRY_RUN(
	[
#include <sys/types.h>
#include <dirent.h>
int main(void){struct dirent d;return(sizeof(d.d_name)<=sizeof(char));}
	],
	[AC_MSG_RESULT(yes)], 
	[
		AC_MSG_RESULT(no)
		AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
	]
)

# Check whether user wants S/Key support
SKEY_MSG="no" 
AC_ARG_WITH(skey,
	[  --with-skey[[=PATH]]      Enable S/Key support
                            (optionally in PATH)],
	[
		if test "x$withval" != "xno" ; then

			if test "x$withval" != "xyes" ; then
				CPPFLAGS="$CPPFLAGS -I${withval}/include"
				LDFLAGS="$LDFLAGS -L${withval}/lib"