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dnl Copyright (c) 2000-2009, 2013-2017, 2020 Paul Mattes.
dnl All rights reserved.
dnl
dnl Redistribution and use in source and binary forms, with or without
dnl modification, are permitted provided that the following conditions
dnl are met:
dnl * Redistributions of source code must retain the above copyright
dnl notice, this list of conditions and the following disclaimer.
dnl * Redistributions in binary form must reproduce the above copyright
dnl notice, this list of conditions and the following disclaimer in the
dnl documentation and/or other materials provided with the distribution.
dnl * Neither the name of Paul Mattes nor his contributors may be used
dnl to endorse or promote products derived from this software without
dnl specific prior written permission.
dnl
dnl THIS SOFTWARE IS PROVIDED BY PAUL MATTES "AS IS" AND ANY EXPRESS
dnl OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
dnl WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
dnl DISCLAIMED. IN NO EVENT SHALL PAUL MATTES BE LIABLE FOR ANY DIRECT,
dnl INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
dnl (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
dnl SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
dnl HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
dnl STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
dnl IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
dnl POSSIBILITY OF SUCH DAMAGE.
dnl Process this file with autoconf to produce a configure script.
AC_INIT(tcl3270,4.0)
AC_PREREQ(2.50)
dnl Checks for programs.
AC_PROG_INSTALL
AC_PROG_CC
dnl Figure out what sort of host this is.
AC_CANONICAL_HOST
ansi="-std=c99 -pedantic"
case "$host_os" in
cygwin*) CPPFLAGS=-D_XOPEN_SOURCE_EXTENDED
ansi=""
;;
solaris2*) CPPFLAGS=-D__EXTENSIONS__
;;
darwin*) CCOPTIONS="-no-cpp-precomp -Wno-deprecated-declarations"
;;
linux*) CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE -D_BSD_SOURCE -D_DEFAULT_SOURCE"
;;
esac
if test "$GCC" = yes
then # Add common gcc options, plus flags for dependency generation.
CCOPTIONS="$CCOPTIONS -Wall -Wsign-compare $ansi -Wno-variadic-macros -Wno-long-long -MMD -MP"
fi
AC_SUBST(host)
AC_SUBST(CCOPTIONS)
dnl Figure out what version of Tcl they've got
AC_CHECK_PROG(tclsh,tclsh,yes,no)
if test "$tclsh" = no
then AC_ERROR(Can't find tclsh)
fi
AC_MSG_CHECKING(Tcl version)
tclver=`echo "puts [[set tcl_version]]" | tclsh`
if test -z "$tclver"
then AC_ERROR(Can't figure out Tcl version)
fi
AC_MSG_RESULT($tclver)
dnl If Tcl >= 8.6, we need pthreads.
pthread=`echo $tclver | awk -F . '{ if ($1 > 8 || $2 >= 6) print "1"}'`
dnl Set up tclvr (tclver without the period, for BSD)
tclvr=`echo $tclver | tr -d .`
dnl Checks for header files.
AC_CONFIG_HEADER(conf.h)
AC_CHECK_HEADERS(util.h)
dnl Check for pthreads.
if test "$pthread"
then AC_SEARCH_LIBS(pthread_create, pthread)
fi
dnl Check for TCL header files.
for dir in /usr/include/tcl$tclver /usr/include/tcl$tclvr /usr/local/include /usr/local/include/tcl$tclver /usr/local/include/tcl$tclvr
do if test -d $dir
then CPPFLAGS="$CPPFLAGS -I$dir"
fi
done
AC_CHECK_HEADERS(tcl.h, ,[AC_ERROR(Cannot find tcl header file)])
dnl Checks for orindary library functions.
AC_CHECK_FUNCS(vasprintf)
AC_FUNC_FSEEKO
dnl Check for libraries.
dnl Note that the order here is important. The last libraries should appear
dnl first, so that objects in them can be used by subsequent libraries.
LDFLAGS="$LDFLAGS -lm"
AC_SEARCH_LIBS(gethostbyname, nsl)
AC_SEARCH_LIBS(socket, socket)
if test -d /usr/local/lib
then LDFLAGS="$LDFLAGS -L/usr/local/lib"
fi
tcl_failed=0
AC_CHECK_LIB(tcl$tclver, Tcl_Init, , [tcl_failed=1])
if test $tcl_failed = 1
then AC_CHECK_LIB(tcl$tclvr, Tcl_Init, , [AC_ERROR(Cannot find TCL library)])
fi
dnl Set up the configuration directory.
LIBX3270DIR='${sysconfdir}/3270'
AC_SUBST(LIBX3270DIR)
dnl Check for unwanted parts.
AC_ARG_ENABLE(dbcs,[ --disable-dbcs leave out DBCS support])
case "$enable_dbcs" in
no) ;;
*) AC_DEFINE(X3270_DBCS,1)
;;
esac
AC_ARG_ENABLE(local_process,[ --disable-local-process leave out local process support])
case "$enable_local_process" in
""|yes) AC_DEFINE(X3270_LOCAL_PROCESS,1)
;;
esac
AC_ARG_ENABLE(ipv6,[ --disable-ipv6 leave out IPv6 support])
case "$enable_ipv6" in
""|yes) AC_DEFINE(X3270_IPV6,1)
;;
esac
dnl Generate the Makefile.
AC_CONFIG_FILES(Makefile Makefile.obj)
AC_OUTPUT
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