X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/8b1de1b56a34249a9b948ee7f28d3a0aefbb38be..c9d8f7462c9e216429c91aa29c48e2b675a62732:/configure.in

diff --git a/configure.in b/configure.in
index be7f5d0fed..6b9de40756 100644
--- a/configure.in
+++ b/configure.in
@@ -70,7 +70,10 @@ AC_DEFUN([OPTION_DEFAULT_ON], [dnl
    m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
 ])dnl
 
-OPTION_DEFAULT_ON([gcc],[don't use GCC to compile Emacs if GCC is found])
+dnl By default, neither off nor on.
+AC_ARG_WITH([gcc],
+[AS_HELP_STRING([--without-gcc],
+    [don't use GCC to compile Emacs even if GCC is found])])
 
 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
 if test "$with_pop" = yes; then
@@ -101,6 +104,7 @@ fi
 
 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
 
+dnl FIXME currently it is not the last.
 dnl This should be the last --with option, because --with-x is
 dnl added later on when we find the path of X, and it's best to
 dnl keep them together visually.
@@ -122,22 +126,27 @@ this option's value should be `yes', `no', `lucid', `athena', `motif' or `gtk'.
 	  with_x_toolkit=$val
 ])
 
-OPTION_DEFAULT_OFF([xpm],[use -lXpm for displaying XPM images])
-OPTION_DEFAULT_OFF([jpeg],[use -ljpeg for displaying JPEG images])
-OPTION_DEFAULT_OFF([tiff],[use -ltiff for displaying TIFF images])
-OPTION_DEFAULT_OFF([gif],[use -lgif (or -lungif) for displaying GIF images])
-OPTION_DEFAULT_OFF([png],[use -lpng for displaying PNG images])
-OPTION_DEFAULT_OFF([gpm],[use -lgpm for mouse support on a GNU/Linux console])
-OPTION_DEFAULT_OFF([rsvg],[use -lrsvg-2 for displaying SVG images])
-OPTION_DEFAULT_OFF([gtk],[use GTK (same as --with-x-toolkit=gtk)])
+dnl _ON results in a '--without' option in the --help output, so
+dnl the help text should refer to "don't compile", etc.
+OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
+OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
+OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
+OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
+OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
+OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
+
+OPTION_DEFAULT_OFF([gtk],[use GTK toolkit])
 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
-OPTION_DEFAULT_ON([carbon],[don't use Carbon GUI on Mac OS X])
-OPTION_DEFAULT_ON([dbus],[use D-Bus])
+OPTION_DEFAULT_OFF([carbon],[use Carbon GUI on Mac OS X.  This is unsupported!])
+
+OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
+OPTION_DEFAULT_OFF([dbus],[compile with D-Bus support])
+
 
 AC_ARG_WITH([pkg-config-prog],dnl
-  [AS_HELP_STRING([--with-pkg-config-prog=PATH],
+[AS_HELP_STRING([--with-pkg-config-prog=PATH],
                   [Path to pkg-config for finding GTK and librsvg])])
 if test "X${with_pkg_config_prog}" != X; then
    if test "${with_pkg_config_prog}" != yes; then
@@ -1771,18 +1780,14 @@ if test "${HAVE_GTK}" = "yes"; then
 fi
 
 dnl D-Bus has been tested under GNU/Linux only.  Must be adapted for
-dnl other platforms.  Support for higher D-Bus versions but 1.0 is
+dnl other platforms.  Support for higher D-Bus versions than 1.0 is
 dnl also not configured.
 HAVE_DBUS=no
-AC_MSG_CHECKING([maybe dbus])
 if test "${with_dbus}" = "yes"; then
    PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
    if test "$HAVE_DBUS" = yes; then
       AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
    fi
-   AC_MSG_RESULT($HAVE_DBUS)
-else
-   AC_MSG_RESULT(no bub)
 fi
 
 ### Link with -lXft if available to work around a bug.
@@ -2671,8 +2676,7 @@ AH_BOTTOM([
 #endif
 
 /* Multi-tty support relies on MULTI_KBOARD.  It seems safe to turn it
-   on unconditionally.  Note that src/s/darwin.h disables this at
-   present.  */
+   on unconditionally. */
 #ifndef MULTI_KBOARD
 #define MULTI_KBOARD
 #endif
@@ -2971,6 +2975,7 @@ echo "  Does Emacs use a gif library?                           ${HAVE_GIF} $ac_
 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
 echo "  Does Emacs use -lrsvg-2?                                ${HAVE_RSVG}"
 echo "  Does Emacs use -lgpm?                                   ${HAVE_GPM}"
+echo "  Does Emacs use -ldbus?                                  ${HAVE_DBUS}"
 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
 echo