pseudoramiX: Only compile on XQUARTZ and XWIN

PseudoramiXExtensionInit() is not defined in extinit.h if it won't be
used and we get a compiler warning when compiling the pseudoramiX code.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Eric Anholt <eric@anholt.net>

Makefile.am

@@ -27,6 +27,10 @@ if PRESENT
 PRESENT_DIR=present
 endif
 
+if PSEUDORAMIX
+PSEUDORAMIX_DIR=pseudoramiX
+endif
+
 SUBDIRS = \
 	doc \
 	man \
@@ -37,11 +41,11 @@ SUBDIRS = \
 	Xext \
 	miext \
 	os \
-	pseudoramiX \
 	randr \
 	render  \
 	Xi \
 	xkb \
+	$(PSEUDORAMIX_DIR) \
 	$(DBE_DIR) \
 	$(RECORD_DIR) \
 	xfixes \

configure.ac

@@ -2174,6 +2174,8 @@ if test "x$XQUARTZ" = xyes; then
 	fi
 fi
 
+AM_CONDITIONAL(PSEUDORAMIX, [test "x$XQUARTZ" = xyes -o "x$XWIN" = xyes ])
+
 # Support for objc in autotools is minimal and not documented.
 OBJC='$(CC)'
 OBJCLD='$(CCLD)'