#! /bin/bash -norc
# This file is an input file used by the GNU "autoconf" program to
# generate the file "configure", which is run during Tcl installation
# to configure the system for the local environment.
#
# RCS: @(#) $Id: configure.in,v 1.58 2002/10/22 18:56:28 hobbs Exp $

AC_INIT(../generic/tcl.h)
AC_PREREQ(2.13)

TCL_VERSION=8.4
TCL_MAJOR_VERSION=8
TCL_MINOR_VERSION=4
TCL_PATCH_LEVEL=".1"
VER=$TCL_MAJOR_VERSION$TCL_MINOR_VERSION

TCL_DDE_VERSION=1.2
TCL_DDE_MAJOR_VERSION=1
TCL_DDE_MINOR_VERSION=2
TCL_DDE_PATCH_LEVEL=""
DDEVER=$TCL_DDE_MAJOR_VERSION$TCL_DDE_MINOR_VERSION

TCL_REG_VERSION=1.1
TCL_REG_MAJOR_VERSION=1
TCL_REG_MINOR_VERSION=1
TCL_REG_PATCH_LEVEL=""
REGVER=$TCL_REG_MAJOR_VERSION$TCL_REG_MINOR_VERSION

#------------------------------------------------------------------------
# Handle the --prefix=... option
#------------------------------------------------------------------------

if test "${prefix}" = "NONE"; then
    prefix=/usr/local
fi
if test "${exec_prefix}" = "NONE"; then
    exec_prefix=$prefix
fi
# libdir must be a fully qualified path (not ${exec_prefix}/lib)
eval libdir="$libdir"

#------------------------------------------------------------------------
# Standard compiler checks
#------------------------------------------------------------------------

# If the user did not set CFLAGS, set it now to keep
# the AC_PROG_CC macro from adding "-g -O2".
if test "${CFLAGS+set}" != "set" ; then
    CFLAGS=""
fi

AC_PROG_CC

# To properly support cross-compilation, one would
# need to use these tool checks instead of
# the ones below and reconfigure with
# autoconf 2.50. You can also just set
# the CC, AR, RANLIB, and RC environment
# variables if you want to cross compile.
dnl AC_CHECK_TOOL(AR, ar, :)
dnl AC_CHECK_TOOL(RANLIB, ranlib, :)
dnl AC_CHECK_TOOL(RC, windres, :)

if test "${GCC}" = "yes" ; then
    AC_CHECK_PROG(AR, ar, ar)
    AC_CHECK_PROG(RANLIB, ranlib, ranlib)
    AC_CHECK_PROG(RC, windres, windres)
fi

#--------------------------------------------------------------------
# Checks to see if the make progeam sets the $MAKE variable.
#--------------------------------------------------------------------

AC_PROG_MAKE_SET

#--------------------------------------------------------------------
# Perform additinal compiler tests.
#--------------------------------------------------------------------

AC_CYGWIN

#if test "$ac_cv_cygwin" = "yes" ; then
#    AC_MSG_ERROR([Compiling with the Cygwin version of gcc is not supported.
#    Use the Mingw version of gcc from www.mingw.org instead.])
#fi


AC_CACHE_CHECK(for SEH support in compiler,
    tcl_cv_seh,
AC_TRY_RUN([
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef WIN32_LEAN_AND_MEAN

int main(int argc, char** argv) {
    int a, b = 0;
    __try {
        a = 666 / b;
    }
    __except (EXCEPTION_EXECUTE_HANDLER) {
        return 0;
    }
    return 1;
}
],
        tcl_cv_seh=yes,
        tcl_cv_seh=no,
        tcl_cv_seh=no)
)
if test "$tcl_cv_seh" = "no" ; then
    AC_DEFINE(HAVE_NO_SEH, 1,
            [Defined when mingw does not support SEH])
fi

#
# Check to see if the excpt.h include file provided contains the
# definition for EXCEPTION_DISPOSITION; if not, which is the case
# with Cygwin's version as of 2002-04-10, define it to be int, 
# sufficient for getting the current code to work.
#
AC_CACHE_CHECK(for EXCEPTION_DISPOSITION support in include files,
    tcl_cv_eh_disposition,
AC_TRY_COMPILE([
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef WIN32_LEAN_AND_MEAN
],
[
  EXCEPTION_DISPOSITION x;
],
        tcl_cv_eh_disposition=yes,
        tcl_cv_eh_disposition=no)
)
if test "$tcl_cv_eh_disposition" = "no" ; then
    AC_DEFINE(EXCEPTION_DISPOSITION, int,
            [Defined when cygwin/mingw does not support EXCEPTION DISPOSITION])
fi

#--------------------------------------------------------------------
# Determines the correct binary file extension (.o, .obj, .exe etc.)
#--------------------------------------------------------------------

AC_OBJEXT
AC_EXEEXT

#--------------------------------------------------------------------
# Check whether --enable-threads or --disable-threads was given.
#--------------------------------------------------------------------

SC_ENABLE_THREADS

#--------------------------------------------------------------------
# The statements below define a collection of symbols related to
# building libtcl as a shared library instead of a static library.
#--------------------------------------------------------------------

SC_ENABLE_SHARED

#--------------------------------------------------------------------
# The statements below define a collection of compile flags.  This 
# macro depends on the value of SHARED_BUILD, and should be called
# after SC_ENABLE_SHARED checks the configure switches.
#--------------------------------------------------------------------

SC_CONFIG_CFLAGS

#--------------------------------------------------------------------
# Set the default compiler switches based on the --enable-symbols 
# option.  This macro depends on C flags, and should be called
# after SC_CONFIG_CFLAGS macro is called.
#--------------------------------------------------------------------

SC_ENABLE_SYMBOLS

TCL_DBGX=${DBGX}

#--------------------------------------------------------------------
# man2tcl needs this so that it can use errno.h
#--------------------------------------------------------------------

AC_CHECK_HEADER(errno.h, , MAN2TCLFLAGS="-DNO_ERRNO_H")
AC_SUBST(MAN2TCLFLAGS)

#------------------------------------------------------------------------
# tclConfig.sh refers to this by a different name
#------------------------------------------------------------------------

TCL_SHARED_BUILD=${SHARED_BUILD}

#--------------------------------------------------------------------
# Perform final evaluations of variables with possible substitutions.
#--------------------------------------------------------------------

TCL_SHARED_LIB_SUFFIX="\${NODOT_VERSION}${DLLSUFFIX}"
TCL_UNSHARED_LIB_SUFFIX="\${NODOT_VERSION}${LIBSUFFIX}"
TCL_EXPORT_FILE_SUFFIX="\${NODOT_VERSION}${LIBSUFFIX}"

eval "TCL_SRC_DIR=\"`cd $srcdir/..; pwd`\""

eval "TCL_DLL_FILE=tcl${VER}${DLLSUFFIX}"

eval "TCL_LIB_FILE=${LIBPREFIX}tcl$VER${LIBSUFFIX}"
# FIMXE: These variables decls are missing
#TCL_LIB_FLAG
TCL_BUILD_LIB_SPEC="-L`pwd` -ltcl${VER}${TCL_DBGX}"
#TCL_LIB_SPEC

eval "TCL_STUB_LIB_FILE=\"${LIBPREFIX}tclstub${VER}${LIBSUFFIX}\""
eval "TCL_STUB_LIB_FLAG=\"-ltclstub${VER}${TCL_DBGX}\""
eval "TCL_BUILD_STUB_LIB_SPEC=\"-L`pwd` ${TCL_STUB_LIB_FLAG}\""
eval "TCL_STUB_LIB_SPEC=\"-L${libdir} ${TCL_STUB_LIB_FLAG}\""
eval "TCL_BUILD_STUB_LIB_PATH=\"`pwd`/${TCL_STUB_LIB_FILE}\""
eval "TCL_STUB_LIB_PATH=\"${libdir}/${TCL_STUB_LIB_FILE}\""

# Install time header dir can be set via --includedir
eval "TCL_INCLUDE_SPEC=\"-I${includedir}\""


eval "DLLSUFFIX=${DLLSUFFIX}"
eval "LIBPREFIX=${LIBPREFIX}"
eval "LIBSUFFIX=${LIBSUFFIX}"
eval "EXESUFFIX=${EXESUFFIX}"

CFG_TCL_SHARED_LIB_SUFFIX=${TCL_SHARED_LIB_SUFFIX}
CFG_TCL_UNSHARED_LIB_SUFFIX=${TCL_UNSHARED_LIB_SUFFIX}
CFG_TCL_EXPORT_FILE_SUFFIX=${TCL_EXPORT_FILE_SUFFIX}

#--------------------------------------------------------------------
# Adjust the defines for how the resources are built depending
# on symbols and static vs. shared.
#--------------------------------------------------------------------

if test ${SHARED_BUILD} = 0 ; then
    if test "${DBGX}" = "d"; then
        RC_DEFINES="${RC_DEFINE} STATIC_BUILD ${RC_DEFINE} DEBUG"
    else
        RC_DEFINES="${RC_DEFINE} STATIC_BUILD"
    fi
else
    if test "${DBGX}" = "d"; then
        RC_DEFINES="${RC_DEFINE} DEBUG"
    else
        RC_DEFINES=""
    fi
fi


AC_SUBST(TCL_VERSION)
AC_SUBST(TCL_MAJOR_VERSION)
AC_SUBST(TCL_MINOR_VERSION)
AC_SUBST(TCL_PATCH_LEVEL)

AC_SUBST(TCL_LIB_FILE)
AC_SUBST(TCL_LIB_FLAG)
# empty on win
AC_SUBST(TCL_LIB_SPEC)
AC_SUBST(TCL_STUB_LIB_FILE)
AC_SUBST(TCL_STUB_LIB_FLAG)
AC_SUBST(TCL_STUB_LIB_SPEC)
AC_SUBST(TCL_STUB_LIB_PATH)
AC_SUBST(TCL_INCLUDE_SPEC)
AC_SUBST(TCL_BUILD_STUB_LIB_SPEC)
AC_SUBST(TCL_BUILD_STUB_LIB_PATH)
AC_SUBST(TCL_DLL_FILE)

AC_SUBST(TCL_SRC_DIR)
AC_SUBST(TCL_BIN_DIR)
AC_SUBST(TCL_DBGX)
AC_SUBST(CFG_TCL_SHARED_LIB_SUFFIX)
AC_SUBST(CFG_TCL_UNSHARED_LIB_SUFFIX)
AC_SUBST(CFG_TCL_EXPORT_FILE_SUFFIX)

# win/tcl.m4 doesn't set (CFLAGS)
AC_SUBST(CFLAGS_DEFAULT)
AC_SUBST(EXTRA_CFLAGS)
AC_SUBST(CYGPATH)
AC_SUBST(DEPARG)
AC_SUBST(CC_OBJNAME)
AC_SUBST(CC_EXENAME)

# win/tcl.m4 doesn't set (LDFLAGS)
AC_SUBST(LDFLAGS_DEFAULT)
AC_SUBST(LDFLAGS_DEBUG)
AC_SUBST(LDFLAGS_OPTIMIZE)
AC_SUBST(LDFLAGS_CONSOLE)
AC_SUBST(LDFLAGS_WINDOW)
AC_SUBST(AR)
AC_SUBST(RANLIB)

AC_SUBST(STLIB_LD)
AC_SUBST(SHLIB_LD)
AC_SUBST(SHLIB_LD_LIBS)
AC_SUBST(SHLIB_CFLAGS)
AC_SUBST(SHLIB_SUFFIX)
AC_SUBST(TCL_SHARED_BUILD)

AC_SUBST(LIBS)
AC_SUBST(LIBS_GUI)
AC_SUBST(DLLSUFFIX)
AC_SUBST(LIBPREFIX)
AC_SUBST(LIBSUFFIX)
AC_SUBST(EXESUFFIX)
AC_SUBST(LIBRARIES)
AC_SUBST(MAKE_LIB)
AC_SUBST(POST_MAKE_LIB)
AC_SUBST(MAKE_DLL)
AC_SUBST(MAKE_EXE)

# empty on win, but needs sub'ing
AC_SUBST(TCL_BUILD_LIB_SPEC)
AC_SUBST(TCL_LD_SEARCH_FLAGS)
AC_SUBST(TCL_NEEDS_EXP_FILE)
AC_SUBST(TCL_BUILD_EXP_FILE)
AC_SUBST(TCL_EXP_FILE)
AC_SUBST(DL_LIBS)
AC_SUBST(LIBOBJS)
AC_SUBST(TCL_LIB_VERSIONS_OK)
AC_SUBST(TCL_PACKAGE_PATH)

# win only
AC_SUBST(TCL_DDE_VERSION)
AC_SUBST(TCL_DDE_MAJOR_VERSION)
AC_SUBST(TCL_DDE_MINOR_VERSION)
AC_SUBST(TCL_DDE_PATCH_LEVEL)
AC_SUBST(TCL_REG_VERSION)
AC_SUBST(TCL_REG_MAJOR_VERSION)
AC_SUBST(TCL_REG_MINOR_VERSION)
AC_SUBST(TCL_REG_PATCH_LEVEL)

AC_SUBST(RC)
AC_SUBST(RC_OUT)
AC_SUBST(RC_TYPE)
AC_SUBST(RC_INCLUDE)
AC_SUBST(RC_DEFINE)
AC_SUBST(RC_DEFINES)
AC_SUBST(RES)

AC_OUTPUT(Makefile tclConfig.sh tcl.hpj)