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|
dnl This file is an input file used by the GNU "autoconf" program to
dnl generate the file "configure", which is run during [incr Tcl]
dnl installation to configure the system for the local environment.
AC_INIT(../generic/itcl.h)
# RCS: $Id$
ITCL_VERSION=3.0
ITCL_MAJOR_VERSION=3
ITCL_MINOR_VERSION=0
ITCL_RELEASE_LEVEL=0
VERSION=${ITCL_VERSION}
AC_CONFIG_AUX_DIR(../../config)
AC_PREREQ(2.0)
# -----------------------------------------------------------------------
# Set up a new default --prefix. If a previous installation of
# [incr Tcl] can be found searching $PATH use that directory.
# -----------------------------------------------------------------------
AC_PREFIX_DEFAULT(/usr/local)
AC_PREFIX_PROGRAM(tclsh)
if test "${prefix}" = "NONE"; then
prefix=/usr/local
fi
if test "${exec_prefix}" = "NONE"; then
exec_prefix=$prefix
fi
AC_PROG_INSTALL
AC_PROG_RANLIB
# -----------------------------------------------------------------------
BUILD_DIR=`pwd`
ITCL_SRC_DIR=`cd $srcdir/..; pwd`
cd ${BUILD_DIR}
dnl CYGNUS LOCAL: allow gcc without a special flag
dnl AC_ARG_ENABLE(gcc, [ --enable-gcc allow use of gcc if available],
dnl [itcl_ok=$enableval], [itcl_ok=no])
dnl if test "$itcl_ok" = "yes"; then
AC_PROG_CC
dnl else
dnl CC=${CC-cc}
dnl AC_SUBST(CC)
dnl fi
dnl END CYGNUS LOCAL
#--------------------------------------------------------------------
# See if there was a command-line option for where Tcl is; if
# not, assume that its top-level directory is a sibling of ours.
# CYGNUS LOCAL - Actually, tcl is one level higher - a sibling of the
# itcl directory that contains itcl proper, itk & iwidgets.
#--------------------------------------------------------------------
dnl CYGNUS LOCAL: We just call the Tcl directory "tcl", not "tcl8.0"
AC_ARG_WITH(tcl, [ --with-tcl=DIR use Tcl 8.0 binaries from DIR],
itcl_search=$withval, itcl_search=`cd ../../..; ls -d \`pwd\`/tcl*/unix`)
dnl END CYGNUS LOCAL
TCL_LIB_DIR=""
dnl CYGNUS LOCAL: Look in the local tree FIRST, not the install directory...
for dir in $itcl_search $exec_prefix/lib ; do
if test -r $dir/tclConfig.sh; then
TCL_LIB_DIR=$dir
break
fi
done
if test -z "$TCL_LIB_DIR"; then
AC_MSG_ERROR(Can't find Tcl libraries. Use --with-tcl to specify the directory containing tclConfig.sh on your system.)
fi
#--------------------------------------------------------------------
# Read in configuration information generated by Tcl for shared
# libraries, and arrange for it to be substituted into our
# Makefile.
#--------------------------------------------------------------------
file=$TCL_LIB_DIR/tclConfig.sh
. $file
CFLAGS=$TCL_CFLAGS
SHLIB_CFLAGS=$TCL_SHLIB_CFLAGS
SHLIB_LD=$TCL_SHLIB_LD
SHLIB_LD_LIBS=$TCL_SHLIB_LD_LIBS
SHLIB_SUFFIX=$TCL_SHLIB_SUFFIX
DL_LIBS=$TCL_DL_LIBS
LD_FLAGS=$TCL_LD_FLAGS
LD_SEARCH_FLAGS=$TCL_LD_SEARCH_FLAGS
#--------------------------------------------------------------------
# Make sure that we can find the Tcl sources, so we can include
# the "tclInt.h" file.
#--------------------------------------------------------------------
if test ! -d "$TCL_SRC_DIR"; then
AC_MSG_ERROR(Can't find Tcl source directory "$TCL_SRC_DIR". Itcl can't be built without this directory.)
fi
#--------------------------------------------------------------------
# If this is gcc, add some extra compile flags.
#--------------------------------------------------------------------
AC_MSG_CHECKING([whether C compiler is gcc])
AC_CACHE_VAL(itcl_cv_prog_gcc, [
AC_EGREP_CPP(_cc_is_gcc_, [
#ifdef __GNUC__
_cc_is_gcc_
#endif
], [itcl_cv_prog_gcc=yes], [itcl_cv_prog_gcc=no])])
AC_MSG_RESULT([$itcl_cv_prog_gcc])
# CYGNUS LOCAL - CFLAGS for gcc should include -g -O2
if test -z "$CFLAGS" ; then
if test "$itcl_cv_prog_gcc" = "yes" ; then
CFLAGS="-g -O2"
else
CFLAGS="-O"
fi
fi
# CYGNUS LOCAL - use -fwritable-strings with gcc, needed for Tcl8.1
if test "$itcl_cv_prog_gcc" = "yes" ; then
CFLAGS="$CFLAGS -fwritable-strings -Wshadow -Wtraditional -Wall"
fi
AC_MSG_CHECKING([default compiler flags])
AC_ARG_WITH(cflags, [ --with-cflags=FLAGS set compiler flags to FLAGS],
[CFLAGS="$with_cflags"])
AC_MSG_RESULT([$CFLAGS])
if test "$TCL_CC" != "$CC" ; then
echo ""
echo "WARNING: Compiler is $CC but Tcl was compiled with $TCL_CC"
echo ""
fi
#--------------------------------------------------------------------
# The statements below define a collection of symbols related to
# building libitcl as a shared library instead of a static library.
#--------------------------------------------------------------------
AC_ARG_ENABLE(shared,
[ --enable-shared build libitcl as a shared library],
[ok=$enableval], [ok=no])
if test "$ok" = "yes"; then
if test ${TCL_SHARED_BUILD} = 0; then
AC_MSG_ERROR(Tcl was not built with --enable-shared, so you can't use shared libraries.)
fi
SHLIB_CFLAGS="${SHLIB_CFLAGS}"
eval "ITCL_LIB_FILE=libitcl${VERSION}${SHLIB_SUFFIX}"
ITCL_PKG_FILE="[[file join [file dirname \$dir] ${ITCL_LIB_FILE}]]"
MAKE_LIB="\$(SHLIB_LD) -o ${ITCL_LIB_FILE} \$(OBJS) ${SHLIB_LD_LIBS} "
RANLIB=":"
else
SHLIB_CFLAGS=""
# CYGNUS LOCAL - Strip dots from library name for SunOS4, etc...
if test ${TCL_LIB_VERSIONS_OK} = "nodots"; then
ITCL_LIB_FILE="libitcl`echo ${VERSION} | tr -d .`.a"
else
eval "ITCL_LIB_FILE=libitcl${VERSION}.a"
fi
ITCL_PKG_FILE=""
MAKE_LIB="ar cr ${ITCL_LIB_FILE} \${OBJS}"
fi
ITCL_SH="`pwd`/itclsh"
# Note: in the following variable, it's important to use the absolute
# path name of the Tcl directory rather than "..": this is because
# AIX remembers this path and will attempt to use it at run-time to look
# up the Tcl library.
if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then
ITCL_BUILD_LIB_SPEC="-L`pwd` -litcl${VERSION}"
ITCL_LIB_SPEC="-L${exec_prefix}/lib -litcl${VERSION}"
else
ITCL_BUILD_LIB_SPEC="-L`pwd` -litcl`echo ${VERSION} | tr -d .`"
ITCL_LIB_SPEC="-L${exec_prefix}/lib -litcl`echo ${VERSION} | tr -d .`"
fi
ITCL_LIB_FULL_PATH="`pwd`/${ITCL_LIB_FILE}"
AC_SUBST(CFLAGS)
AC_SUBST(DL_LIBS)
AC_SUBST(LD_FLAGS)
AC_SUBST(MAKE_LIB)
AC_SUBST(SHLIB_CFLAGS)
AC_SUBST(SHLIB_LD)
AC_SUBST(SHLIB_LD_LIBS)
AC_SUBST(SHLIB_SUFFIX)
AC_SUBST(LD_SEARCH_FLAGS)
AC_SUBST(TCL_VERSION)
AC_SUBST(TCL_SRC_DIR)
AC_SUBST(TCL_LIB_DIR)
AC_SUBST(TCL_LIB_SPEC)
AC_SUBST(TCL_BUILD_LIB_SPEC)
AC_SUBST(TCL_LIB_FLAG)
AC_SUBST(TCL_DBGX)
AC_SUBST(TCL_DEFS)
AC_SUBST(TCL_LIBS)
AC_SUBST(TCL_SHLIB_LD_LIBS)
AC_SUBST(TCL_SHLIB_SUFFIX)
AC_SUBST(TCL_COMPAT_OBJS)
AC_SUBST(TCL_CFLAGS)
AC_SUBST(TCL_LIB_FULL_PATH)
AC_SUBST(ITCL_VERSION)
AC_SUBST(ITCL_MAJOR_VERSION)
AC_SUBST(ITCL_MINOR_VERSION)
AC_SUBST(ITCL_RELEASE_LEVEL)
AC_SUBST(ITCL_BUILD_LIB_SPEC)
AC_SUBST(ITCL_LIB_FILE)
AC_SUBST(ITCL_LIB_SPEC)
AC_SUBST(ITCL_PKG_FILE)
AC_SUBST(ITCL_SRC_DIR)
AC_SUBST(ITCL_SH)
AC_SUBST(ITCL_LIB_FULL_PATH)
AC_OUTPUT(Makefile pkgIndex.tcl ../itclConfig.sh)
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