Install 10-evdev.conf in $(prefix)/etc/X11/xorg.conf.d under udev

udev needs some xorg.conf file to tell it to load a suitable input
driver, 10-evdev.conf is as simple as they come, mapping all evdev
devices to the evdev driver.

Signed-off-by: Keith Packard <keithp@keithp.com>

config/10-evdev.conf

@@ -0,0 +1,8 @@
+#
+# Catch-all evdev loader for udev-based systems
+#
+Section "InputClass"
+        Identifier "evdev-catchall"
+        Driver "evdev"
+        MatchDevicePath "/dev/input/event*"
+EndSection

config/Makefile.am

@@ -9,6 +9,9 @@ AM_CFLAGS += $(UDEV_CFLAGS)
 libconfig_la_SOURCES += udev.c
 libconfig_la_LIBADD = $(UDEV_LIBS)
 
+xorgconfddir = $(prefix)/etc/X11/$(XF86CONFIGDIR)
+xorgconfd_DATA = 10-evdev.conf
+
 else
 
 if CONFIG_NEED_DBUS
@@ -33,4 +36,4 @@ endif # CONFIG_NEED_DBUS
 
 endif # !CONFIG_UDEV
 
-EXTRA_DIST = xorg-server.conf x11-input.fdi
+EXTRA_DIST = xorg-server.conf x11-input.fdi 10-evdev.conf

configure.ac

@@ -1764,6 +1764,7 @@ if test "x$XORG" = xyes; then
 	dnl these only go in xorg-config.h
 	XF86CONFIGFILE="xorg.conf"
 	XF86CONFIGDIR="xorg.conf.d"
+	AC_SUBST(XF86CONFIGDIR)
 	CONFIGFILE="$sysconfdir/$XF86CONFIGFILE"
 	LOGPREFIX="$logdir/Xorg."
 	AC_DEFINE(XORG_SERVER, 1, [Building Xorg server])