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dnl $Id: configure.in,v 1.37 2002/06/10 08:08:53 lukem Exp $
dnl
dnl configure.in --
dnl	process this file with autoconf to produce a configure script.
dnl

AC_REVISION($Revision: 1.37 $)dnl

AC_INIT(lukemftp.h)

dnl Arguments for which features are included
dnl
AC_ARG_PROGRAM
AC_ARG_ENABLE(editcomplete, [\
  --enable-editcomplete   Turn on command line editing and completion.
  --disable-editcomplete  Turn off command line editing and completion
                          [default: enabled].], 
    opt_editcomplete=$enableval,
    opt_editcomplete=yes)
AC_ARG_ENABLE(ipv6, [\
  --enable-ipv6           Enable IPv6 support (if your OS supports it).
  --disable-ipv6          Disable IPv6 support (even if your OS supports it) 
                          [default: enabled].], 
    opt_ipv6=$enableval,
    opt_ipv6=yes)

dnl Checks for programs.
dnl
AC_PROG_MAKE_SET
AC_PROG_CC
AC_PROG_AWK
AC_PROG_INSTALL
AC_PROG_RANLIB
AC_CHECK_PROGS(AR, ar)
AC_AIX


dnl Checks for libraries.
dnl
AC_CHECK_LIB(util, fparseln)
if test $opt_editcomplete = yes; then
	AC_CHECK_LIB(tinfo, tgetent, ,
	    AC_CHECK_LIB(termcap, tgetent, ,
	    AC_CHECK_LIB(curses, tgetent, ,  
	    AC_CHECK_LIB(ncurses, tgetent))))
	AC_SEARCH_LIBS(el_init, edit, have_libedit=yes, have_libedit=no)
fi
AC_LIBRARY_NET
AC_LIBRARY_SOCKS
if test -n "$socks"; then
	if test $opt_ipv6 = yes; then
		echo "IPv6 is incompatible with socks, disabling IPv6 support"
		opt_ipv6=no
	fi
fi


dnl Checks for header files.
dnl
AC_CONFIG_HEADER(config.h)
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS(arpa/nameser.h err.h regex.h paths.h poll.h sys/poll.h \
		termcap.h util.h libutil.h vis.h)


dnl Checks for typedefs, structures, and compiler characteristics.
dnl
AC_HEADER_TIME
AC_TYPE_OFF_T
AC_CHECK_SIZEOF(off_t, 0)
AC_MSG_TRY_LINK(for long long, ftp_cv_HAVE_LONG_LONG, [
#include <sys/types.h>] , [
long long X = 2, Y = 1, Z;
Z = X / Y; ], [
AC_DEFINE(HAVE_LONG_LONG, 1)
have_long_long=yes], [have_long_long=no])

AC_MSG_TRY_COMPILE(for in_port_t, ftp_cv_HAVE_IN_PORT_T, [
#include <sys/types.h>
#include <netinet/in.h> ], [ in_port_t X ], [AC_DEFINE(HAVE_IN_PORT_T, 1)])

AC_MSG_TRY_COMPILE(for sa_family_t, ftp_cv_HAVE_SA_FAMILY_T, [
#include <sys/types.h>
#include <sys/socket.h> ], [ sa_family_t X ], [AC_DEFINE(HAVE_SA_FAMILY_T, 1)])

AC_MSG_TRY_COMPILE(for sockaddr_in.sin_len, ftp_cv_HAVE_SOCKADDR_SA_LEN, [
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h> ], [
	struct sockaddr_in sin;
	int X = sin.sin_len ], [AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1)])

AC_MSG_TRY_COMPILE(for socklen_t, ftp_cv_HAVE_SOCKLEN_T, [
#include <sys/types.h>
#include <sys/socket.h> ], [ socklen_t X ], [AC_DEFINE(HAVE_SOCKLEN_T, 1)])

if test $opt_ipv6 = yes; then

	AC_MSG_TRY_COMPILE(for AF_INET6, ftp_cv_HAVE_AF_INET6, [
#include <sys/types.h>
#include <sys/socket.h> ],
	    [ int X = AF_INET6 ], [AC_DEFINE(HAVE_AF_INET6, 1)])

	AC_MSG_TRY_COMPILE(for struct sockaddr_in6, ftp_cv_HAVE_SOCKADDR_IN6, [
#include <sys/types.h>
#include <netinet/in.h> ],
	    [ struct sockaddr_in6 X ], [AC_DEFINE(HAVE_SOCKADDR_IN6, 1)])

fi

AC_MSG_TRY_COMPILE(for struct addrinfo, ftp_cv_HAVE_ADDRINFO, [
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h> ],
	    [ struct addrinfo X ], [AC_DEFINE(HAVE_ADDRINFO, 1)])

AC_MSG_TRY_COMPILE(for d_namlen in struct dirent, ftp_cv_HAVE_D_NAMLEN, [
#if HAVE_DIRENT_H
# include <dirent.h>
#else
# define dirent direct
# if HAVE_SYS_NDIR_H
#  include <sys/ndir.h>
# endif
# if HAVE_SYS_DIR_H
#  include <sys/dir.h>
# endif
# if HAVE_NDIR_H
#  include <ndir.h>
# endif
#endif ], [
	struct dirent dp;
	int X = dp.d_namlen; ], [AC_DEFINE(HAVE_D_NAMLEN, 1)])

AC_MSG_TRY_COMPILE(for h_errno declaration, ftp_cv_HAVE_H_ERRNO_D, [
#include <netdb.h> ], [ int X = h_errno ], [AC_DEFINE(HAVE_H_ERRNO_D, 1)])

AC_MSG_TRY_COMPILE(for fclose() declaration, ftp_cv_HAVE_FCLOSE_D, [
#include <stdio.h> ], [ int (*X)() = fclose ], [AC_DEFINE(HAVE_FCLOSE_D, 1)])

AC_MSG_TRY_COMPILE(for getpass() declaration, ftp_cv_HAVE_GETPASS_D, [
#include <stdlib.h>
#include <unistd.h> ], [ char *(*X)() = getpass ], [
	AC_DEFINE(HAVE_GETPASS_D, 1)])

AC_MSG_TRY_COMPILE(for optarg declaration, ftp_cv_HAVE_OPTARG_D, [
#include <stdlib.h>
#include <unistd.h> ], [ char *X = optarg ], [AC_DEFINE(HAVE_OPTARG_D, 1)])

AC_MSG_TRY_COMPILE(for optind declaration, ftp_cv_HAVE_OPTIND_D, [
#include <stdlib.h>
#include <unistd.h> ], [ int X = optind ], [AC_DEFINE(HAVE_OPTIND_D, 1)])

AC_MSG_TRY_COMPILE(for pclose() declaration, ftp_cv_HAVE_PCLOSE_D, [
#include <stdio.h> ], [ int (*X)() = pclose ], [AC_DEFINE(HAVE_PCLOSE_D, 1)])


dnl Checks for library functions.
dnl
AC_REPLACE_FUNCS(err fgetln fseeko getaddrinfo getnameinfo inet_ntop inet_pton \
		mkstemp setprogname sl_init snprintf strdup strerror strlcat \
		strlcpy strptime strsep strunvis strvis timegm usleep)
AC_CHECK_FUNCS(gethostbyname2 getpassphrase getpgrp memmove poll select)
if test $ac_cv_func_getpgrp = yes; then
	AC_FUNC_GETPGRP
fi
if test $ac_cv_lib_util_fparseln != yes; then
	AC_REPLACE_FUNCS(fparseln)
fi

LIBOBJS="$LIBOBJS glob.o"

if test $ac_cv_func_strptime = yes; then
	AC_MSG_TRY_COMPILE(for strptime() declaration, ftp_cv_HAVE_STRPTIME_D, [
	#include <time.h> ], [ char *X = strptime("", "", NULL) ],
	[AC_DEFINE(HAVE_STRPTIME_D, 1)])
fi

if test $have_long_long = yes -a $ac_cv_sizeof_off_t -ge 8; then

dnl		We assume that if sprintf() supports %lld or %qd,
dnl		then all of *printf() does. If not, disable long long
dnl		support because we don't know how to display it.

	AC_MSG_CHECKING(*printf() support for %lld)
	can_printf_longlong=no
	AC_TRY_RUN([
		#include <stdio.h>
		int main() {
			char buf[100];
			sprintf(buf, "%lld", 4294967300LL);
			return (strcmp(buf, "4294967300"));
		}
	], [
		AC_MSG_RESULT(yes)
		can_printf_longlong=yes
	], [
		AC_MSG_RESULT(no)
	], [ : ])

	if test $can_printf_longlong != yes; then
		AC_MSG_CHECKING(*printf() support for %qd)
		AC_TRY_RUN([
			#include <stdio.h>
			int main() {
				char buf[100];
				sprintf(buf, "%qd", 4294967300LL);
				return (strcmp(buf, "4294967300"));
			}
		], [
			AC_MSG_RESULT(yes)
			can_printf_longlong=yes
			AC_DEFINE(HAVE_PRINTF_QD, 1)
		], [
			AC_MSG_RESULT(no)
		], [ : ])
	fi

	if test $can_printf_longlong = yes; then
		AC_DEFINE(HAVE_QUAD_SUPPORT, 1)
		AC_REPLACE_FUNCS(strtoll)
	fi

fi


if test $opt_editcomplete = yes; then
	if test $have_libedit = yes; then
		AC_MSG_TRY_COMPILE(for EL_RPROMPT in libedit,
				    ftp_cv_have_libedit, [
		#include <histedit.h> ], [ int X = EL_RPROMPT ], [:],
		have_libedit=no )
	fi

	AC_MSG_CHECKING(for working libedit)
	if test $have_libedit = no; then
		AC_MSG_RESULT(no - using my own)
		INCLUDES="-I\${srcdir}/../libedit $INCLUDES"
		LDFLAGS="-L../libedit $LDFLAGS"
		LIBS="-ledit $LIBS"
		LIBEDIT=libedit.a
		LIBDEPENDS="$LIBDEPENDS ../libedit/libedit.a"
	else
		AC_MSG_RESULT(yes)
	fi
else
	CFLAGS="-DNO_EDITCOMPLETE $CFLAGS"
fi

if test $ac_cv_func_sl_init = yes; then
	AC_MSG_TRY_COMPILE(if sl_add() returns int, ftp_cv_INT_SL_ADD, [
	#include <stringlist.h> ], [ int f = sl_add((StringList *)0, "foo") ],
	[:] , [LIBOBJS="$LIBOBJS sl_init.o"])
fi


have_rfc2553_netdb=no
if test $ac_cv_func_getaddrinfo = yes -a ! -n "$socks"; then
	AC_MSG_TRY_COMPILE(for AI_NUMERICHOST,
	    ftp_cv_have_ai_numerichost, [
	#include <sys/types.h>
	#include <sys/socket.h>
	#include <netdb.h> ],
	    [ int X = AI_NUMERICHOST ], [ have_rfc2553_netdb=yes ])
fi
AC_MSG_CHECKING(for working getaddrinfo())
if test $have_rfc2553_netdb = yes; then
	AC_DEFINE(HAVE_RFC2553_NETDB, 1)
	AC_MSG_RESULT(yes)
else
	if test $ac_cv_func_getaddrinfo = yes; then
		LIBOBJS="$LIBOBJS getaddrinfo.o"
		AC_MSG_RESULT(no - using local version)
	else
		AC_MSG_RESULT(using local version)
	fi
fi


if test $ac_cv_header_vis_h = yes; then
	AC_MSG_TRY_COMPILE(for VIS_WHITE in vis.h,
			    ftp_cv_have_vis_white, [
	#include <sys/types.h>
	#include <vis.h> ], [ int X = VIS_WHITE ], [:],
	ac_cv_header_vis_h=no )
fi


if test -n "$LIBOBJS"; then
	INCLUDES="$INCLUDES -I\${srcdir}/../libukem"
	LDFLAGS="$LDFLAGS -L../libukem"
	LIBS="$LIBS -lukem"
	LIBUKEM=libukem.a
	LIBDEPENDS="$LIBDEPENDS ../libukem/libukem.a"
fi

dnl Create the Makefiles
dnl

AC_SUBST(INCLUDES)
AC_SUBST(LIBEDIT)
AC_SUBST(LIBUKEM)
AC_SUBST(LIBDEPENDS)

AC_OUTPUT(Makefile libedit/Makefile libedit/makelist libukem/Makefile \
	src/Makefile)