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dnl configure.in for Tcl/Objective-C interface library
dnl Written by R. Andrew McCallum <mccallum@cs.rochester.edu>
dnl Process this file with autoconf to produce a configure script.
AC_INIT(TclInterp.m)
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_RANLIB
# With a thread-safe gcc-2.8, -lobjc depends on -lpthread.
# This library will be needed to run the test programs below.
AC_CHECK_LIB(pthread, pthread_create, LIBS="$LIBS -lpthread")
# if the user didn't specify a prefix on the command line, set prefix
# same as used for tcl
AC_PREFIX_PROGRAM(tclsh)
AC_SUBST(prefix)
#--------------------------------------------------------------------
# Find out if we're on a NeXT,
# if not:
# include implementations of List and HashTable objects
# check to make sure the gcc.patch has been applied and installed
#--------------------------------------------------------------------
echo checking for NeXT compiler
AC_TEST_CPP([#if defined(NeXT)
#error
#endif], NeXTCC=0, NeXTCC=1)
if test "$NeXTCC" = "1"; then
NON_NeXT_EXTRA_OBJS=""
NON_NeXT_EXTRA_SRCS=""
NON_NeXT_ALL_OBJCFLAGS=""
else
NON_NeXT_EXTRA_OBJS="List.o HashTable.o"
NON_NeXT_EXTRA_SRCS="List.m HashTable.m"
NON_NeXT_ALL_OBJCFLAGS="-Wno-protocol"
# Find out if we have objc_next_class (due out in new version of gcc)
AC_CHECK_LIB(objc, objc_next_class, have_ocn=1, have_ocn=0)
if test "$have_ocn" = "0"; then
echo You must apply the patch $srcdir/gcc.patch to the gcc source dir
echo then recompile and install libobjc.a,
echo then rerun this configure script.
exit 1
fi
fi
AC_SUBST(NON_NeXT_EXTRA_OBJS)
AC_SUBST(NON_NeXT_EXTRA_SRCS)
AC_SUBST(NON_NeXT_ALL_OBJCFLAGS)
AC_CHECK_LIB(objc,objc_malloc)
AC_CHECK_FUNCS(objc_malloc)
#--------------------------------------------------------------------
# (This part is from the tk4.0 distribution, modified by nelson)
# Locate the X11 header files and the X11 library archive. Try
# the ac_path_x macro first, but if it doesn't find the X stuff
# (e.g. because there's no xmkmf program) then check through
# a list of possible directories. Under some conditions the
# autoconf macro will return an include directory that contains
# no include files, so double-check its result just to be safe.
#--------------------------------------------------------------------
AC_PATH_X
not_really_there=""
if test "$no_x" = ""; then
if test "$x_includes" = ""; then
AC_TRY_CPP([#include <X11/XIntrinsic.h>], , not_really_there="yes")
else
if test ! -r $x_includes/X11/Intrinsic.h; then
not_really_there="yes"
fi
fi
fi
if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then
echo checking for X11 header files
XINCLUDES="# no special path needed"
AC_TRY_CPP([#include <X11/Intrinsic.h>], , XINCLUDES="nope")
if test "$XINCLUDES" = nope; then
dirs="/usr/unsupported/include /usr/local/include
/usr/X386/include /usr/include/X11R4 /usr/X11R5/include /usr/include/X11R5 /usr/X11R6/include /usr/openwin/include /usr/X11/include /usr/sww/include"
for i in $dirs ; do
if test -r $i/X11/Intrinsic.h; then
XINCLUDES=" -I$i"
x_includes="$i"
fi
done
fi
else
if test "$x_includes" != ""; then
XINCLUDES=-I$x_includes
else
XINCLUDES="# no special path needed"
fi
fi
if test "$XINCLUDES" = nope; then
echo "Warning: couldn't find any X11 include files."
XINCLUDES="# no include files found"
fi
AC_SUBST(XINCLUDES)
if test "$no_x" = yes; then
XLIBSW=nope
if test "$XLIBSW" = nope; then
dirs="/usr/unsupported/lib /usr/local/lib /usr/X386/lib /usr/lib/X11R4 /usr/X11R5/lib /usr/lib/X11R5 /usr/X11R6/lib /usr/openwin/lib /usr/X11/lib /usr/sww/X11/lib"
for i in $dirs ; do
if test -r $i/libX11.a; then
XLIBSW="-L$i -lX11"
x_libraries="$i"
fi
done
fi
else
if test "$x_libraries" = ""; then
XLIBSW=-lX11
else
XLIBSW="-L$x_libraries -lX11"
fi
fi
if test "$XLIBSW" = nope ; then
AC_CHECK_LIB(Xwindow, XCreateWindow, XLIBSW=-lXwindow)
fi
if test "$XLIBSW" = nope ; then
echo "Warning: couldn't find the X11 library archive. Using -lX11."
XLIBSW=-lX11
fi
AC_SUBST(XLIBSW)
#--------------------------------------------------------------------
# Locate the Tcl/Tk include files
# A hybrid of BLT's approach of looking in lots of places and, if
# that fails, just believing what "echo [info library] | tclsh" says.
# We play a bit of a trick here piping commands into tclsh
# Extra set of brackets hides the Tcl brackets from autoconf m4.
#--------------------------------------------------------------------
# First, if tclsh is around execute it to make a guess as to where Tcl
# is installed, and also to find out if we're using tcl > 7.3.
# (nelson 12/11/95) - removed the check for the tcl version, we just
# assume they have 7.4. There was a small problem when the version of
# tcl from tclsh in the PATH didn't agree with libtcl.a
# we used to invoke ["puts [expr [info tclversion] < 7.4]"]
# in the tclsh to guess the version number.
AC_CHECK_PROG(tclsh_found, tclsh, 1, 0)
if test "$tclsh_found" = "1"; then
tclLibrary=`echo ["puts [info library]"] | tclsh`
tclInstalledDir=`dirname "$tclLibrary"`
tclInstalledDir=`dirname "$tclInstalledDir"`
fi
# Second, if TCL_LIBRARY or TK_LIBRARY are set, work from there.
if test -n "$TCL_LIBRARY"; then
USER_TCL_INCLUDE=`dirname $TCL_LIBRARY`
USER_TCL_INCLUDE=`dirname $USER_TCL_INCLUDE`/include
USER_TCL_LIB=`dirname $TCL_LIBRARY`
else
USER_TCL_INCLUDE=""
USER_TCL_LIB=""
fi
if test -n "$TK_LIBRARY"; then
USER_TK_INCLUDE=`dirname $TK_LIBRARY`
USER_TK_INCLUDE=`dirname $USER_TK_INCLUDE`/include
USER_TK_LIB=`dirname $TK_LIBRARY`
else
USER_TK_INCLUDE=""
USER_TK_LIB=""
fi
# now define INCPLACES to be those directories where tcl.h and tk.h could be.
# We look in lots of "standard" places as well as where [info version]
# tells us to look. Note that this list is both for tcl.h and tk.h: they
# are often installed in the same directory.
INCPLACES=" \
$prefix/include $prefix/include/tcl $prefix/include/tk \
/usr/local/include /usr/local/include/tcl /usr/local/include/tk \
/usr/include /usr/include/tcl /usr/include/tk \
$x_includes $x_includes/tcl $x_includes/tk \
../tcl8.0 ../tcl7.6 ../tcl7.5 ../tcl7.4 ../tk8.0 ../tk4.2 ../tk4.1 ../tk4.0"
if test -n "$tclInstalledDir"; then
INCPLACES="$tclInstalledDir/include $INCPLACES"
fi
INCPLACES="$USER_TCL_INCLUDE $USER_TK_INCLUDE $INCPLACES"
echo $ac_n "Looking for tcl.h... "
TCLINCDIR=""
for dir in "$TCL_INCLUDE_DIR" $INCPLACES; do
if test -r $dir/tcl.h; then
TCLINCDIR=$dir
break;
fi
done
if test -z "$TCLINCDIR"; then
echo
echo "Couldn't find tcl.h, please type in the directory where it is located."
read TCLINCDIR
else
echo "found $TCLINCDIR/tcl.h"
fi
if test "$TCLINCDIR" = "/usr/include" ; then
TCLINCLUDES=""
else
TCLINCLUDES="-I$TCLINCDIR"
fi
AC_SUBST(TCLINCLUDES)
# phew. Now look for libtcl.a. These are the generic places, we'll also look
# where we found tcl.h or tk.h
LIBPLACES="$prefix/lib $prefix/lib/tcl $prefix/lib/tk \
/usr/local/lib /usr/local/lib/tcl /usr/local/lib/tk \
/usr/lib /usr/lib/tcl /usr/lib/tk \
$x_libraries $x_libraries/tcl $x_libraries/tk \
../tcl8.0 ../tcl7.6 ../tcl7.5 ../tcl7.4 ../tk8.0 ../tk4.2 ../tk4.1 ../tk4.0"
if test -n "$tclInstalledDir"; then
LIBPLACES="$tclInstalledDir/lib $LIBPLACES"
fi
LIBPLACES="$USER_TCL_LIB $USER_TK_LIB $LIBPLACES"
LIBPLACES="`dirname $TCLINCDIR`/lib $LIBPLACES"
TCLLIBDIR=""
TCLLIBNAME=""
for suffix in .so .a; do
echo $ac_n "Looking for libtcl$suffix... "
for dir in "$TCL_LIB_DIR" $LIBPLACES; do
for version in 80 8.0 76 7.6 7.5 7.4 ''; do
if test -r $dir/libtcl${version}${suffix}; then
TCLLIBDIR=$dir
TCLLIBNAME=tcl$version
break;
fi
done
test -z "$TCLLIBDIR" || break;
done
test -z "$TCLLIBDIR" || break;
done
if test -z "$TCLLIBDIR"; then
echo
echo "Couldn't find libtcl.{a,so}, libtcl8.0.{a,so} or libtcl7.[456].{a,so}. Please tell me where it is located"
read TCLLIBDIR
for version in 80 8.0 76 7.6 7.5 7.4 ''; do
for suffix in .so .a; do
if test -r $TCLLIBDIR/libtcl${version}${suffix}; then
TCLLIBNAME=tcl$version
break;
fi
done
test -z "$TCLLIBNAME" || break;
done
test -z "$TCLLIBNAME" || break;
else
echo "found $TCLLIBDIR/lib$TCLLIBNAME$suffix"
fi
if test "$TCLLIBDIR" = "/usr/lib" ; then
TCLLIBS="-l$TCLLIBNAME"
else
TCLLIBS="-L$TCLLIBDIR -l$TCLLIBNAME"
fi
AC_SUBST(TCLLIBS)
#--------------------------------------------------------------------
# Locate the Tk include and library files, if we've been asked to.
#--------------------------------------------------------------------
# default is to turn tk support on.
AC_ARG_WITH(tk, [ --with-tk install Tk support as well as Tcl (default is on)], ,with_tk=yes )
if test "$with_tk" != "no"; then
doCheckTk="doCheckTk"
TkInterp_o="TkInterp.o"
TkInterp_h="TkInterp.h"
POTENTIALINCDIR=`dirname $TCLINCDIR`
POTENTIALINCDIR=`dirname $POTENTIALINCDIR`
INCPLACES="$INCPLACES \
$TCLINCDIR \
$POTENTIALINCDIR/tk8.0/include \
$POTENTIALINCDIR/tk4.2/include \
$POTENTIALINCDIR/tk4.1/include \
$POTENTIALINCDIR/tk4.0/include \
$POTENTIALINCDIR/tk/include"
echo $ac_n "Looking for tk.h... "
TKINCDIR=""
for dir in "$TK_INCLUDE_DIR" $INCPLACES; do
if test -r $dir/tk.h; then
TKINCDIR=$dir
break;
fi
done
if test -z "$TKINCDIR"; then
echo
echo "Couldn't find tk.h, please tell me where it is located."
read TKINCDIR
else
echo "found $TKINCDIR/tk.h"
fi
if test "$TKINCDIR" = "/usr/include" ; then
TKINCLUDES=""
else
TKINCLUDES="-I$TKINCDIR"
fi
AC_SUBST(TKINCLUDES)
POTENTIALLIBDIR=`dirname $TCLLIBDIR`
POTENTIALLIBDIR=`dirname $POTENTIALLIBDIR`
LIBPLACES="`dirname $TKINCDIR`/lib $TCLLIBDIR $POTENTIALLIBDIR/tk/lib \
$POTENTIALLIBDIR/tk8.0/lib \
$POTENTIALLIBDIR/tk4.2/lib \
$POTENTIALLIBDIR/tk4.1/lib \
$POTENTIALLIBDIR/tk4.0/lib \
$LIBPLACES"
TKLLIBDIR=""
TKLIBNAME=""
for suffix in .so .a; do
echo $ac_n "Looking for libtk${suffix}... "
for dir in "$TK_LIB_DIR" $LIBPLACES; do
for version in 80 8.0 42 4.2 4.1 4.0 ''; do
if test -r $dir/libtk${version}${suffix}; then
TKLIBDIR=$dir
TKLIBNAME=tk${version}
break;
fi
done
test -z "$TKLIBDIR" || break;
done
test -z "$TKLIBDIR" || break;
done
if test -z "$TKLIBDIR"; then
echo
echo "Couldn't find libtk.{a,so}, libtk8.0.{a,so}, or libtk4.[012].{a,so}. Please tell me where it is located"
read TKLIBDIR
for suffix in .so .a; do
for version in 80 8.0 42 4.2 4.1 4.0 '' ; do
if test -r $TKLIBDIR/libtk${version}${suffix}; then
TKLIBNAME=tk$version
break;
fi
done
test -z "$TKLIBDIR" || break;
done
else
echo "found $TKLIBDIR/lib$TKLIBNAME$suffix"
fi
if test "$TKLIBDIR" = "/usr/lib" ; then
TKLIBS="-l$TKLIBNAME"
else
TKLIBS="-L$TKLIBDIR -l$TKLIBNAME"
fi
else
TKLIBS=" # configured not to use tk/X"
doCheckTk=""
TkInterp_h=""
TkInterp_o=""
fi
AC_SUBST(TKLIBS)
AC_SUBST(doCheckTk)
AC_SUBST(TkInterp_o)
AC_SUBST(TkInterp_h)
#--------------------------------------------------------------------
# Locate the Readline include and library files
#--------------------------------------------------------------------
AC_ARG_WITH(readline, [ --with-readline Use GNU readline when prompting (default is off)])
found_readline_inc_and_lib=0
if test "$with_readline" = yes; then
echo " configuring to use readline"
if test "$READLINE_INCLUDE_DIR" != ""; then
READLINEINCLUDES="-I$READLINE_INCLUDE_DIR"
# Add some code to look in standard places
if test "$READLINE_LIBRARY_DIR" != ""; then
READLINELIBS="-L$READLINE_LIBRARY_DIR -lreadline -lncurses"
found_readline_inc_and_lib=1
AC_DEFINE(HAVE_READLINE)
# This .o file contains xmalloc,xrealloc. They are needed by readline
# Normally they would be provided in libiberty; we include them here
# in case you don't already have libiberty
READLINE_O_EXTRAS=xmalloc.o
# Add some code to look in standard places
else
echo "Warning: Could not find the readline library archive."
echo " In order to get the readline functionality you must"
echo " set the environment variable READLINE_LIBRARY_DIR"
echo " and rerun configure. See INSTALL for more details."
fi
else
echo "Warning: Could not find the readline include files."
echo " In order to get the readline functionality you must"
echo " set the environment variable READLINE_INCLUDE_DIR"
echo " and rerun configure. See INSTALL for more details."
fi
fi
if test "$found_readline_inc_and_lib" = "0"; then
READLINEINCLUDES=" # configured to not use readline"
READLINELIBS=" # configured to not use readline"
READLINE_O_EXTRAS=""
fi
AC_SUBST(READLINEINCLUDES)
AC_SUBST(READLINELIBS)
AC_SUBST(READLINE_O_EXTRAS)
# This is needed to link up during `make check'.
AC_CHECK_LIB(dl, dlopen, LIBS="$LIBS -ldl")
### Now output the Makefile
AC_OUTPUT(Makefile)
|