# This file is an input file used by the GNU "autoconf" program to
# generate the file "configure", which is run during Tk installation
# to configure the system for the local environment.
#
# RCS: @(#) $Id: configure.in,v 1.16.2.6 2001/04/04 08:36:11 hobbs Exp $

AC_INIT(../generic/tk.h)

TK_VERSION=8.3
TK_MAJOR_VERSION=8
TK_MINOR_VERSION=3
TK_PATCH_LEVEL=".3"
VER=$TK_MAJOR_VERSION$TK_MINOR_VERSION

#--------------------------------------------------------------------
# Check whether --enable-gcc or --disable-gcc was given.  Do this 
# before AC_PROG_CC and AC_CYGWIN are called so the compiler can 
# be fully tested by built-in autoconf tools.
#--------------------------------------------------------------------
 
SC_ENABLE_GCC
#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.
#AC_CHECK_TOOL(AR, ar, :)
#AC_CHECK_TOOL(RANLIB, ranlib, :)
#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

#--------------------------------------------------------------------
# These two macros perform additinal compiler test.
#--------------------------------------------------------------------

AC_CYGWIN

#--------------------------------------------------------------------
# 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 libtk 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

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

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

#--------------------------------------------------------------------
# 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

CFLAGS=${CFLAGS_DEFAULT}
LDFLAGS=${LDFLAGS_DEFAULT}
TK_DBGX=${DBGX}

#--------------------------------------------------------------------
# Locate and source the tclConfig.sh file.
#--------------------------------------------------------------------

SC_PATH_TCLCONFIG($TK_PATCH_LEVEL)
SC_LOAD_TCLCONFIG

SC_PROG_TCLSH

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

TK_SHARED_BUILD=${SHARED_BUILD}

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

TK_SHARED_LIB_SUFFIX="\${NODOT_VERSION}${DLLSUFFIX}"
TK_UNSHARED_LIB_SUFFIX="\${NODOT_VERSION}${LIBSUFFIX}"
TK_EXPORT_FILE_SUFFIX="\${NODOT_VERSION}${LIBSUFFIX}"

eval "TK_SRC_DIR=`cd $srcdir/..; pwd`"

eval "TK_DLL_FILE=tk$VER${DLLSUFFIX}"
eval "TK_LIB_FILE=${LIBPREFIX}tk$VER${LIBSUFFIX}"
eval "TK_STUB_LIB_FILE=${LIBPREFIX}tkstub${VER}${LIBSUFFIX}"

# FIXME: All of this var junk needs to be done in tcl.m4 !!!!
# I left out the other vars that also need to get defined here.
# we also need to double check about including DBGX in lib names
# and spaces in file or directory names for the eval
eval "TK_STUB_LIB_FLAG=\"-ltkstub${VER}${TCL_DBGX}\""
eval "TK_BUILD_STUB_LIB_SPEC=\"-L`pwd` ${TK_STUB_LIB_FLAG}\""

eval "TCL_DLL_FILE=\"tcl$VER${DLLSUFFIX}\""
eval "TCL_LIB_FILE=\"${LIBPREFIX}tcl$VER${LIBSUFFIX}\""

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

CFG_TK_SHARED_LIB_SUFFIX=${TK_SHARED_LIB_SUFFIX}
CFG_TK_UNSHARED_LIB_SUFFIX=${TK_UNSHARED_LIB_SUFFIX}
CFG_TK_EXPORT_FILE_SUFFIX=${TK_EXPORT_FILE_SUFFIX}

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

if test "${GCC}" = "yes" ; then
    RC_DEFINE_FLAG=--define
else
    RC_DEFINE_FLAG=-d
fi

if test "$SHARED_BUILD" = 0 -o $TCL_NEEDS_EXP_FILE = 0; then
    if test "${DBGX}" = "d"; then
        RC_DEFINES="${RC_DEFINE_FLAG} STATIC_BUILD ${RC_DEFINE_FLAG} DEBUG"
    else
        RC_DEFINES="${RC_DEFINE_FLAG} STATIC_BUILD"
    fi
    TK_RES=""
else
    if test "${DBGX}" = "d"; then
        RC_DEFINES="${RC_DEFINE_FLAG} DEBUG"
    else
        RC_DEFINES=""
    fi
    TK_RES=tk.res
fi

AC_SUBST(TK_VERSION)
AC_SUBST(TK_MAJOR_VERSION)
AC_SUBST(TK_MINOR_VERSION)
AC_SUBST(TK_PATCH_LEVEL)
AC_SUBST(TK_DBGX)
AC_SUBST(TK_LIB_FILE)
AC_SUBST(TK_DLL_FILE)
AC_SUBST(TK_STUB_LIB_FILE)
AC_SUBST(TK_STUB_LIB_FLAG)
AC_SUBST(TK_BUILD_STUB_LIB_SPEC)
AC_SUBST(TK_SRC_DIR)
AC_SUBST(TK_BIN_DIR)

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_DLL_FILE)
AC_SUBST(TCL_STUB_LIB_FILE)
AC_SUBST(TCL_STUB_LIB_FLAG)
AC_SUBST(TCL_BUILD_STUB_LIB_SPEC)
AC_SUBST(TCL_SRC_DIR)
AC_SUBST(TCL_BIN_DIR)
AC_SUBST(TCL_DBGX)
AC_SUBST(CFG_TK_SHARED_LIB_SUFFIX)
AC_SUBST(CFG_TK_UNSHARED_LIB_SUFFIX)
AC_SUBST(CFG_TK_EXPORT_FILE_SUFFIX)
AC_SUBST(TK_SHARED_BUILD)

AC_SUBST(PATHTYPE)
AC_SUBST(CYGPATH)
AC_SUBST(VPSEP)
AC_SUBST(CFLAGS_DEBUG)
AC_SUBST(CFLAGS_OPTIMIZE)
AC_SUBST(CFLAGS_WARNING)
AC_SUBST(EXTRA_CFLAGS)
AC_SUBST(STLIB_LD)
AC_SUBST(SHLIB_LD)
AC_SUBST(SHLIB_LD_LIBS)
AC_SUBST(SHLIB_CFLAGS)
AC_SUBST(SHLIB_SUFFIX)
AC_SUBST(CC_OBJNAME)
AC_SUBST(CC_EXENAME)
AC_SUBST(LDFLAGS)
AC_SUBST(LDFLAGS_DEBUG)
AC_SUBST(LDFLAGS_OPTIMIZE)
AC_SUBST(LDFLAGS_CONSOLE)
AC_SUBST(LDFLAGS_WINDOW)
AC_SUBST(AR)
AC_SUBST(RANLIB)
AC_SUBST(RC)
AC_SUBST(RC_OUT)
AC_SUBST(RC_TYPE)
AC_SUBST(RC_INCLUDE)
AC_SUBST(RC_DEFINES)
AC_SUBST(TK_RES)
AC_SUBST(RES)
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)
AC_SUBST(TK_XINCLUDES)
AC_SUBST(XINCLUDES)

AC_OUTPUT(Makefile tkConfig.sh)