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comparison aclocal.m4 @ 4102:cbac6756967e

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[project @ 2002-10-14 20:16:44 by jwe]
author jwe
date Mon, 14 Oct 2002 20:16:45 +0000
parents 8496ae60db8a
children 92f4552ea359
comparison
equal deleted inserted replaced
4101:ea537559ab07 4102:cbac6756967e
599 else 599 else
600 echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD 600 echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD
601 cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD 601 cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD
602 fi 602 fi
603 AC_LANG_POP(C++) 603 AC_LANG_POP(C++)
604 ### XXX FIXME XXX -- Ignore test result for cygwin. Yes it prepends
605 ### underscore, but dlsym dnl seems to add it automatically. The
606 ### correct test is to build the shared library then try to grab the
607 ### symbol from it with and without underscore.
608 case "$canonical_host_type" in
609 *-*-cygwin*)
610 octave_cv_cxx_prepends_underscore=no
611 ;;
612 esac
604 ]) 613 ])
605 AC_MSG_RESULT($octave_cv_cxx_prepends_underscore) 614 AC_MSG_RESULT($octave_cv_cxx_prepends_underscore)
606 if test $octave_cv_cxx_prepends_underscore = yes; then 615 if test $octave_cv_cxx_prepends_underscore = yes; then
607 AC_DEFINE(CXX_PREPENDS_UNDERSCORE, 1, [Define if your compiler prepends underscores to external names.]) 616 AC_DEFINE(CXX_PREPENDS_UNDERSCORE, 1, [Define if your compiler prepends underscores to external names.])
608 fi 617 fi
650 dnl readline. 659 dnl readline.
651 dnl 660 dnl
652 dnl OCTAVE_ENABLE_READLINE 661 dnl OCTAVE_ENABLE_READLINE
653 AC_DEFUN(OCTAVE_ENABLE_READLINE, [ 662 AC_DEFUN(OCTAVE_ENABLE_READLINE, [
654 USE_READLINE=true 663 USE_READLINE=true
664 LIBREADLINE=
655 AC_ARG_ENABLE(readline, 665 AC_ARG_ENABLE(readline,
656 [ --enable-readline use readline library (default is yes)], 666 [ --enable-readline use readline library (default is yes)],
657 [if test "$enableval" = no; then 667 [if test "$enableval" = no; then
658 USE_READLINE=false 668 USE_READLINE=false
659 warn_readline="command editing and history features require GNU Readline" 669 warn_readline="command editing and history features require GNU Readline"
660 fi]) 670 fi])
661 if $USE_READLINE; then 671 if $USE_READLINE; then
662 AC_CHECK_LIB(readline, rl_set_keyboard_input_timeout, [ 672 AC_CHECK_LIB(readline, rl_set_keyboard_input_timeout, [
663 LIBS="-lreadline $LIBS" 673 LIBREADLINE="-lreadline"
674 LIBS="$LIBREADLINE $LIBS"
664 AC_DEFINE(USE_READLINE, 1, [Define to use the readline library.]) 675 AC_DEFINE(USE_READLINE, 1, [Define to use the readline library.])
665 ], [ 676 ], [
666 AC_MSG_WARN([I need GNU Readline 4.2 or later]) 677 AC_MSG_WARN([I need GNU Readline 4.2 or later])
667 AC_MSG_ERROR([this is fatal unless you specify --disable-readline]) 678 AC_MSG_ERROR([this is fatal unless you specify --disable-readline])
668 ]) 679 ])
669 fi 680 fi
681 AC_SUBST(LIBREADLINE)
670 ]) 682 ])
671 dnl 683 dnl
672 dnl Determine the C++ compiler ABI. It sets the macro CXX_ABI to the 684 dnl Determine the C++ compiler ABI. It sets the macro CXX_ABI to the
673 dnl name of the ABI, and is used to mangle the C linkage loadable 685 dnl name of the ABI, and is used to mangle the C linkage loadable
674 dnl functions to avoid ABI mismatch. GNU C++ currently uses gnu_v2 686 dnl functions to avoid ABI mismatch. GNU C++ currently uses gnu_v2