417 lines
15 KiB
Plaintext
Executable File
417 lines
15 KiB
Plaintext
Executable File
dnl This file is an input file used by the GNU "autoconf" program to
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dnl generate the file "configure", which is run during Tk installation
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dnl to configure the system for the local environment.
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AC_INIT(../generic/tk.h)
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# SCCS: @(#) configure.in 1.87 97/08/07 10:33:08
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TK_VERSION=8.0
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TK_MAJOR_VERSION=8
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TK_MINOR_VERSION=0
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TK_PATCH_LEVEL=""
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VERSION=${TK_VERSION}
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dnl STk if test "${prefix}" = "NONE"; then
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dnl STk prefix=/usr/local
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dnl STk fi
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dnl STk if test "${exec_prefix}" = "NONE"; then
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dnl STk exec_prefix=$prefix
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dnl STk fi
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AC_PROG_RANLIB
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dnl STk AC_ARG_ENABLE(gcc, [ --enable-gcc allow use of gcc if available],
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dnl STk [tk_ok=$enableval], [tkl_ok=no])
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dnl STk if test "$tk_ok" = "yes"; then
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dnl STk AC_PROG_CC
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dnl STk else
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dnl STk CC=${CC-cc}
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dnl STk AC_SUBST(CC)
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dnl STk fi
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dnl STk AC_C_CROSS
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AC_HAVE_HEADERS(unistd.h limits.h)
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dnl STk #--------------------------------------------------------------------
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dnl STk # See if there was a command-line option for where Tcl is; if
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dnl STk # not, assume that its top-level directory is a sibling of ours.
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dnl STk #--------------------------------------------------------------------
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dnl STk
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dnl STk AC_ARG_WITH(tcl, [ --with-tcl=DIR use Tcl 8.0 binaries from DIR],
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dnl STk TCL_BIN_DIR=$withval, TCL_BIN_DIR=`cd ../../tcl8.0b2/unix; pwd`)
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dnl STk if test ! -d $TCL_BIN_DIR; then
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dnl STk AC_MSG_ERROR(Tcl directory $TCL_BIN_DIR doesn't exist)
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dnl STk fi
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dnl STk if test ! -f $TCL_BIN_DIR/Makefile; then
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dnl STk AC_MSG_ERROR(There's no Makefile in $TCL_BIN_DIR; perhaps you didn't specify the Tcl *build* directory (not the toplevel Tcl directory) or you forgot to configure Tcl?)
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dnl STk fi
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dnl STk
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dnl STk #--------------------------------------------------------------------
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dnl STk # Read in configuration information generated by Tcl for shared
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dnl STk # libraries, and arrange for it to be substituted into our
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dnl STk # Makefile.
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dnl STk #--------------------------------------------------------------------
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dnl STk
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dnl STk file=$TCL_BIN_DIR/tclConfig.sh
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dnl STk . $file
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dnl STk SHLIB_CFLAGS=$TCL_SHLIB_CFLAGS
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dnl STk SHLIB_LD=$TCL_SHLIB_LD
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dnl STk SHLIB_LD_LIBS=$TCL_SHLIB_LD_LIBS
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dnl STk SHLIB_SUFFIX=$TCL_SHLIB_SUFFIX
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dnl STk SHLIB_VERSION=$TCL_SHLIB_VERSION
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dnl STk DL_LIBS=$TCL_DL_LIBS
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dnl STk LD_FLAGS=$TCL_LD_FLAGS
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dnl STk
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dnl STk LIB_RUNTIME_DIR='${LIB_RUNTIME_DIR}'
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dnl STk
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dnl STk # If Tcl and Tk are installed in different places, adjust the library
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dnl STk # search path to reflect this.
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dnl STk
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dnl STk if test "$TCL_EXEC_PREFIX" != "$exec_prefix"; then
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dnl STk LIB_RUNTIME_DIR="${LIB_RUNTIME_DIR}:${TCL_EXEC_PREFIX}"
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dnl STk fi
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dnl STk
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dnl STk
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dnl STk LIB_RUNTIME_DIR='${LIB_RUNTIME_DIR}'
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dnl STk
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dnl STk # If Tcl and Tk are installed in different places, adjust the library
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dnl STk # search path to reflect this.
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dnl STk
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dnl STk if test "$TCL_EXEC_PREFIX" != "$exec_prefix"; then
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dnl STk LIB_RUNTIME_DIR="${LIB_RUNTIME_DIR}:${TCL_EXEC_PREFIX}"
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dnl STk fi
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TCL_SRC_DIR=../../Tcl/
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#--------------------------------------------------------------------
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# Supply a substitute for stdlib.h if it doesn't define strtol,
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# strtoul, or strtod (which it doesn't in some versions of SunOS).
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#--------------------------------------------------------------------
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AC_MSG_CHECKING(stdlib.h)
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AC_HEADER_EGREP(strtol, stdlib.h, tk_ok=yes, tk_ok=no)
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AC_HEADER_EGREP(strtoul, stdlib.h, , tk_ok=no)
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AC_HEADER_EGREP(strtod, stdlib.h, , tk_ok=no)
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if test $tk_ok = no; then
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AC_DEFINE(NO_STDLIB_H)
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fi
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AC_MSG_RESULT($tk_ok)
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#--------------------------------------------------------------------
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# Include sys/select.h if it exists and if it supplies things
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# that appear to be useful and aren't already in sys/types.h.
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# This appears to be true only on the RS/6000 under AIX. Some
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# systems like OSF/1 have a sys/select.h that's of no use, and
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# other systems like SCO UNIX have a sys/select.h that's
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# pernicious. If "fd_set" isn't defined anywhere then set a
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# special flag.
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#--------------------------------------------------------------------
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AC_MSG_CHECKING([fd_set and sys/select])
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AC_TRY_COMPILE([#include <sys/types.h>],
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[fd_set readMask, writeMask;], tk_ok=yes, tk_ok=no)
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if test $tk_ok = no; then
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AC_HEADER_EGREP(fd_mask, sys/select.h, tk_ok=yes)
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if test $tk_ok = yes; then
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AC_DEFINE(HAVE_SYS_SELECT_H)
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fi
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fi
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AC_MSG_RESULT($tk_ok)
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if test $tk_ok = no; then
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AC_DEFINE(NO_FD_SET)
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fi
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#--------------------------------------------------------------------
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# Check for various typedefs and provide substitutes if
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# they don't exist.
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#--------------------------------------------------------------------
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AC_MODE_T
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AC_PID_T
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AC_SIZE_T
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AC_UID_T
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#------------------------------------------------------------------------------
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# Find out about time handling differences.
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#------------------------------------------------------------------------------
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AC_CHECK_HEADERS(sys/time.h)
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AC_HEADER_TIME
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#--------------------------------------------------------------------
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# Locate the X11 header files and the X11 library archive. Try
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# the ac_path_x macro first, but if it doesn't find the X stuff
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# (e.g. because there's no xmkmf program) then check through
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# a list of possible directories. Under some conditions the
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# autoconf macro will return an include directory that contains
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# no include files, so double-check its result just to be safe.
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#--------------------------------------------------------------------
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AC_PATH_X
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not_really_there=""
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if test "$no_x" = ""; then
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if test "$x_includes" = ""; then
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AC_TRY_CPP([#include <X11/XIntrinsic.h>], , not_really_there="yes")
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else
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if test ! -r $x_includes/X11/Intrinsic.h; then
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not_really_there="yes"
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fi
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fi
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fi
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if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then
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AC_MSG_CHECKING(for X11 header files)
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XINCLUDES="# no special path needed"
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AC_TRY_CPP([#include <X11/Intrinsic.h>], , XINCLUDES="nope")
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if test "$XINCLUDES" = nope; then
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dirs="/usr/unsupported/include /usr/local/include /usr/X386/include /usr/X11R6/include /usr/X11R5/include /usr/include/X11R5 /usr/include/X11R4 /usr/openwin/include /usr/X11/include /usr/sww/include"
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for i in $dirs ; do
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if test -r $i/X11/Intrinsic.h; then
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AC_MSG_RESULT($i)
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XINCLUDES=" -I$i"
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break
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fi
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done
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fi
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else
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if test "$x_includes" != ""; then
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XINCLUDES=-I$x_includes
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else
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XINCLUDES="# no special path needed"
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fi
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fi
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if test "$XINCLUDES" = nope; then
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AC_MSG_RESULT(couldn't find any!)
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XINCLUDES="# no include files found"
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fi
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if test "$no_x" = yes; then
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AC_MSG_CHECKING(for X11 libraries)
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XLIBSW=nope
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dirs="/usr/unsupported/lib /usr/local/lib /usr/X386/lib /usr/X11R6/lib /usr/X11R5/lib /usr/lib/X11R5 /usr/lib/X11R4 /usr/openwin/lib /usr/X11/lib /usr/sww/X11/lib"
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for i in $dirs ; do
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if test -r $i/libX11.a -o -r $i/libX11.so -o -r $i/libX11.sl; then
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AC_MSG_RESULT($i)
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XLIBSW="-L$i -lX11"
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x_libraries="$i"
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break
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fi
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done
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else
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if test "$x_libraries" = ""; then
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XLIBSW=-lX11
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else
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XLIBSW="-L$x_libraries -lX11"
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fi
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fi
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if test "$XLIBSW" = nope ; then
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AC_CHECK_LIB(Xwindow, XCreateWindow, XLIBSW=-lXwindow)
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fi
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if test "$XLIBSW" = nope ; then
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AC_MSG_RESULT(couldn't find any! Using -lX11.)
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XLIBSW=-lX11
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fi
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#--------------------------------------------------------------------
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# Various manipulations on the search path used at runtime to
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# find shared libraries:
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# 1. If the X library binaries are in a non-standard directory,
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# add the X library location into that search path.
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# 2. On systems such as AIX and Ultrix that use "-L" as the
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# search path option, colons cannot be used to separate
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# directories from each other. Change colons to " -L".
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# 3. Create two sets of search flags, one for use in cc lines
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# and the other for when the linker is invoked directly. In
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# the second case, '-Wl,' must be stripped off and commas must
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# be replaced by spaces.
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#--------------------------------------------------------------------
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if test "x${x_libraries}" != "x"; then
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LIB_RUNTIME_DIR="${LIB_RUNTIME_DIR}:${x_libraries}"
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fi
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if test "${TCL_LD_SEARCH_FLAGS}" = '-L${LIB_RUNTIME_DIR}'; then
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LIB_RUNTIME_DIR=`echo ${LIB_RUNTIME_DIR} |sed -e 's/:/ -L/g'`
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fi
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eval "TK_CC_SEARCH_FLAGS=\"$TCL_LD_SEARCH_FLAGS\""
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TK_LD_SEARCH_FLAGS=`echo ${TK_CC_SEARCH_FLAGS} |sed -e "s|-Wl,||g" -e "s|,| |g"`
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#--------------------------------------------------------------------
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# Check for the existence of various libraries. The order here
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# is important, so that then end up in the right order in the
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# command line generated by make. The -lsocket and -lnsl libraries
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# require a couple of special tricks:
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# 1. Use "connect" and "accept" to check for -lsocket, and
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# "gethostbyname" to check for -lnsl.
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# 2. Use each function name only once: can't redo a check because
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# autoconf caches the results of the last check and won't redo it.
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# 3. Use -lnsl and -lsocket only if they supply procedures that
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# aren't already present in the normal libraries. This is because
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# IRIX 5.2 has libraries, but they aren't needed and they're
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# bogus: they goof up name resolution if used.
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# 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
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# To get around this problem, check for both libraries together
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# if -lsocket doesn't work by itself.
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#--------------------------------------------------------------------
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AC_CHECK_LIB(Xbsd, main, [LIBS="$LIBS -lXbsd"])
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tk_checkBoth=0
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AC_CHECK_FUNC(connect, tk_checkSocket=0, tk_checkSocket=1)
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if test "$tk_checkSocket" = 1; then
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AC_CHECK_LIB(socket, main, LIBS="$LIBS -lsocket", tk_checkBoth=1)
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fi
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if test "$tk_checkBoth" = 1; then
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tk_oldLibs=$LIBS
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LIBS="$LIBS -lsocket -lnsl"
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AC_CHECK_FUNC(accept, tk_checkNsl=0, [LIBS=$tk_oldLibs])
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fi
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AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, main, [LIBS="$LIBS -lnsl"]))
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#--------------------------------------------------------------------
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# One more check related to the X libraries. The standard releases
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# of Ultrix don't support the "xauth" mechanism, so send won't work
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# unless TK_NO_SECURITY is defined. However, there are usually copies
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# of the MIT X server available as well, which do support xauth.
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# Check for the MIT stuff and use it if it exists.
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#
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# Note: can't use ac_check_lib macro (at least, not in Autoconf 2.1)
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# because it can't deal with the "-" in the library name.
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#--------------------------------------------------------------------
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if test -d /usr/include/mit ; then
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AC_MSG_CHECKING([MIT X libraries])
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tk_oldCFlags=$CFLAGS
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CFLAGS="$CFLAGS -I/usr/include/mit"
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tk_oldLibs=$LIBS
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LIBS="$LIBS -lX11-mit"
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AC_TRY_LINK([
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#include <X11/Xlib.h>
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], [
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XOpenDisplay(0);
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], [
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AC_MSG_RESULT(yes)
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XLIBSW="-lX11-mit"
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XINCLUDES="-I/usr/include/mit"
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], AC_MSG_RESULT(no))
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CFLAGS=$tk_oldCFlags
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LIBS=$tk_oldLibs
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fi
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#--------------------------------------------------------------------
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# On a few very rare systems, all of the libm.a stuff is
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# already in libc.a. Set compiler flags accordingly.
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# Also, Linux requires the "ieee" library for math to
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# work right (and it must appear before "-lm").
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#--------------------------------------------------------------------
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MATH_LIBS=""
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AC_CHECK_FUNC(sin, , MATH_LIBS="-lm")
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AC_CHECK_LIB(ieee, main, [MATH_LIBS="-lieee $MATH_LIBS"])
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#--------------------------------------------------------------------
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# If this system doesn't have a memmove procedure, use memcpy
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# instead.
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#--------------------------------------------------------------------
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AC_CHECK_FUNC(memmove, , [AC_DEFINE(memmove, memcpy)])
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#--------------------------------------------------------------------
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# Figure out whether "char" is unsigned. If so, set a
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# #define for __CHAR_UNSIGNED__.
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#--------------------------------------------------------------------
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AC_C_CHAR_UNSIGNED
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#--------------------------------------------------------------------
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# Under Solaris 2.4, strtod returns the wrong value for the
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# terminating character under some conditions. Check for this
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# and if the problem exists use a substitute procedure
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# "fixstrtod" (provided by Tcl) that corrects the error.
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#--------------------------------------------------------------------
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AC_CHECK_FUNC(strtod, tk_strtod=1, tk_strtod=0)
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if test "$tk_strtod" = 1; then
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AC_MSG_CHECKING([for Solaris 2.4 strtod bug])
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AC_TRY_RUN([
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extern double strtod();
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int main()
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{
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char *string = "NaN";
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char *term;
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strtod(string, &term);
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if ((term != string) && (term[-1] == 0)) {
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exit(1);
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}
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exit(0);
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}], tk_ok=1, tk_ok=0, tk_ok=0)
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if test "$tk_ok" = 1; then
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AC_MSG_RESULT(ok)
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else
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AC_MSG_RESULT(buggy)
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AC_DEFINE(strtod, fixstrtod)
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fi
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fi
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#--------------------------------------------------------------------
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# The statements below define a collection of symbols related to
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# building libtk as a shared library instead of a static library.
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#--------------------------------------------------------------------
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dnl STk No shared library for now.....
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dnl STk AC_ARG_ENABLE(shared,
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dnl STk [ --enable-shared build libtk as a shared library],
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dnl STk [ok=$enableval], [ok=no])
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dnl STk if test "$ok" = "yes" -a "${SHLIB_SUFFIX}" != ""; then
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dnl STk TK_SHLIB_CFLAGS="${SHLIB_CFLAGS}"
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dnl STk eval "TK_LIB_FILE=libtk${TCL_SHARED_LIB_SUFFIX}"
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dnl STk MAKE_LIB="\${SHLIB_LD} -o ${TK_LIB_FILE} \${OBJS} \$(TK_LD_SEARCH_FLAGS) ${SHLIB_LD_LIBS}"
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dnl STk RANLIB=":"
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dnl STk else
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dnl STk TK_SHLIB_CFLAGS=""
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dnl STk eval "TK_LIB_FILE=libtk${TCL_UNSHARED_LIB_SUFFIX}"
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dnl STk MAKE_LIB="ar cr ${TK_LIB_FILE} \${OBJS}"
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dnl STK fi
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TK_SHLIB_CFLAGS=""
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TK_LIB_FILE=libtk.a
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MAKE_LIB="ar cr ${TK_LIB_FILE} \${OBJS}"
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# Note: in the following variable, it's important to use the absolute
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# path name of the Tcl directory rather than "..": this is because
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# AIX remembers this path and will attempt to use it at run-time to look
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# up the Tcl library.
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if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then
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TK_BUILD_LIB_SPEC="-L`pwd` -ltk${VERSION}"
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TK_LIB_SPEC="-L${exec_prefix}/lib -ltk${VERSION}"
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else
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TK_BUILD_LIB_SPEC="-L`pwd` -ltk`echo ${VERSION} | tr -d .`"
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TK_LIB_SPEC="-L${exec_prefix}/lib -ltk`echo ${VERSION} | tr -d .`"
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fi
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AC_SUBST(CC)
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AC_SUBST(DL_LIBS)
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AC_SUBST(LD_FLAGS)
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AC_SUBST(MATH_LIBS)
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AC_SUBST(MAKE_LIB)
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AC_SUBST(SHLIB_CFLAGS)
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AC_SUBST(SHLIB_LD)
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AC_SUBST(SHLIB_LD_LIBS)
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AC_SUBST(SHLIB_SUFFIX)
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AC_SUBST(SHLIB_VERSION)
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AC_SUBST(TCL_BIN_DIR)
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AC_SUBST(TCL_BUILD_LIB_SPEC)
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AC_SUBST(TCL_SRC_DIR)
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AC_SUBST(TCL_VERSION)
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AC_SUBST(TK_BUILD_LIB_SPEC)
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AC_SUBST(TK_CC_SEARCH_FLAGS)
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AC_SUBST(TK_LD_SEARCH_FLAGS)
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AC_SUBST(TK_LIB_FILE)
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AC_SUBST(TK_LIB_SPEC)
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AC_SUBST(TK_MAJOR_VERSION)
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AC_SUBST(TK_MINOR_VERSION)
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AC_SUBST(TK_PATCH_LEVEL)
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AC_SUBST(TK_SHLIB_CFLAGS)
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AC_SUBST(TK_SRC_DIR)
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AC_SUBST(TK_VERSION)
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AC_SUBST(XINCLUDES)
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AC_SUBST(XLIBSW)
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AC_OUTPUT(Makefile)
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