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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 Tk installation
dnl to configure the system for the local environment.
AC_INIT(../generic/itk.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`
ITK_SRC_DIR=`cd $srcdir/..; pwd`
cd ${BUILD_DIR}
dnl CYGNUS LOCAL: allow gcc without a special flag
dnl AC_ARG_ENABLE(gcc, [ --enable-gcc allow use of gcc if available],
dnl [itk_ok=$enableval], [itk_ok=no])
dnl if test "$itk_ok" = "yes"; then
AC_PROG_CC
dnl else
dnl CC=${CC-cc}
dnl AC_SUBST(CC)
dnl fi
# END CYGNUS LOCAL
#--------------------------------------------------------------------
# See if there was a command-line option for where Tcl is; if
# not, search for Tcl.
# not, assume that its top-level directory is a sibling of ours.
# CYGNUS LOCAL - Actually Tcl & Tk are just called "tcl" & "tk" without the 8.0
#--------------------------------------------------------------------
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`)
TCL_LIB_DIR=""
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 "$TCL_SRC_DIR". Itcl can't be built without this directory.)
fi
#--------------------------------------------------------------------
# See if there was a command-line option for where Tk is; if
# not, search for Tk.
# CYGNUS LOCAL - Actually Tcl & Tk are just called "tcl" & "tk" without the 8.0
#--------------------------------------------------------------------
AC_ARG_WITH(tk, [ --with-tk=DIR use Tk 8.0 binaries from DIR],
itcl_search=$withval, itcl_search=`cd ../../..; ls -d \`pwd\`/tk*/unix`)
TK_LIB_DIR=""
for dir in $itcl_search $exec_prefix/lib ; do
if test -r $dir/tkConfig.sh; then
TK_LIB_DIR=$dir
break
fi
done
if test -z "$TK_LIB_DIR"; then
AC_MSG_ERROR(Can't find Tk libraries. Use --with-tk to specify the directory containing tkConfig.sh on your system.)
fi
file=$TK_LIB_DIR/tkConfig.sh
. $file
#--------------------------------------------------------------------
# See if there was a command-line option for where [incr Tcl] is.
# If not, assume that its top-level directory is a sibling of ours.
#--------------------------------------------------------------------
AC_ARG_WITH(itcl, [ --with-itcl=DIR use Itcl 3.0 binaries from DIR],
ITCL_LIB_DIR=$withval, ITCL_LIB_DIR=`cd ../../itcl; pwd`)
if test ! -r "$ITCL_LIB_DIR/itclConfig.sh"; then
AC_MSG_ERROR(Can't find Itcl libraries. Have you built Itcl yet? Use --with-itcl to specify the directory containing itclConfig.sh on your system.)
fi
file=$ITCL_LIB_DIR/itclConfig.sh
. $file
#--------------------------------------------------------------------
# If this is gcc, add some extra compile flags.
#--------------------------------------------------------------------
AC_MSG_CHECKING([whether C compiler is gcc])
AC_CACHE_VAL(itcl_cv_prog_gcc, [
AC_EGREP_CPP(_cc_is_gcc_, [
#ifdef __GNUC__
_cc_is_gcc_
#endif
], [itcl_cv_prog_gcc=yes], [itcl_cv_prog_gcc=no])])
AC_MSG_RESULT([$itcl_cv_prog_gcc])
# CYGNUS LOCAL - set CFLAGS to -g -O2 for gcc.
if test -z "$CFLAGS" ; then
if test "$itcl_cv_prog_gcc" = "yes" ; then
CFLAGS="-g -O2"
else
CFLAGS="-O"
fi
fi
if test "$itcl_cv_prog_gcc" = "yes" ; then
# leave -Wimplicit-int out, the X libs generate so many of these warnings
# that they obscure everything else.
# CYGNUS LOCAL - add -fwritable-strings to CFLAGS for gcc. Needed
# with Tcl8.1
CFLAGS="$CFLAGS -fwritable-strings -Wshadow -Wtraditional -Wall -Wno-implicit-int"
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 $TCL_CC"
echo ""
fi
#--------------------------------------------------------------------
# The statements below define a collection of symbols related to
# building libitk as a shared library instead of a static library.
#--------------------------------------------------------------------
AC_ARG_ENABLE(shared,
[ --enable-shared build libitk as a shared library],
[ok=$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 "ITK_LIB_FILE=libitk${VERSION}${SHLIB_SUFFIX}"
ITK_PKG_FILE="[[file join [file dirname \$dir] ${ITK_LIB_FILE}]]"
# CYGNUS LOCAL - don't pass LD_SEARCH_FLAGS to libraries
MAKE_LIB="\$(SHLIB_LD) -o ${ITK_LIB_FILE} \$(OBJS) "
# END CYGNUS LOCAL
RANLIB=":"
else
SHLIB_CFLAGS=""
# CYGNUS LOCAL - Strip dots from library name for SunOS4, etc...
if test ${TCL_LIB_VERSIONS_OK} = "nodots"; then
ITK_LIB_FILE="libitk`echo ${VERSION} | tr -d .`.a"
else
eval "ITK_LIB_FILE=libitk${VERSION}.a"
fi
ITK_PKG_FILE=""
MAKE_LIB="ar cr ${ITK_LIB_FILE} \${OBJS}"
fi
# Note: in the following variable, it's important to use the absolute
# path name of the Tcl directory rather than "..": this is because
# AIX remembers this path and will attempt to use it at run-time to look
# up the Tcl library.
if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then
ITK_BUILD_LIB_SPEC="-L`pwd` -litk${VERSION}"
ITK_LIB_SPEC="-L${exec_prefix}/lib -litk${VERSION}"
else
ITK_BUILD_LIB_SPEC="-L`pwd` -litk`echo ${VERSION} | tr -d .`"
ITK_LIB_SPEC="-L${exec_prefix}/lib -litk`echo ${VERSION} | tr -d .`"
fi
ITK_LIB_FULL_PATH="`pwd`/${ITK_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_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(TK_VERSION)
AC_SUBST(TK_BUILD_LIB_SPEC)
AC_SUBST(TK_LIB_DIR)
AC_SUBST(TK_LIB_SPEC)
AC_SUBST(TK_LIB_FLAG)
AC_SUBST(TK_XINCLUDES)
AC_SUBST(TK_XLIBSW)
AC_SUBST(TK_SRC_DIR)
AC_SUBST(TK_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_FULL_PATH)
AC_SUBST(ITCL_LIB_DIR)
AC_SUBST(ITCL_LIB_SPEC)
AC_SUBST(ITCL_PKG_FILE)
AC_SUBST(ITCL_SRC_DIR)
AC_SUBST(ITK_BUILD_LIB_SPEC)
AC_SUBST(ITK_LIB_FILE)
AC_SUBST(ITK_LIB_SPEC)
AC_SUBST(ITK_PKG_FILE)
AC_SUBST(ITK_SRC_DIR)
AC_SUBST(ITK_LIB_FULL_PATH)
AC_OUTPUT(Makefile pkgIndex.tcl ../itkConfig.sh)
|
