IRIX linker is very picky about order of libraries

configure.ac

@@ -96,18 +96,18 @@ if test "$X_CFLAGS" != "-DX_DISPLAY_MISSING"; then
 			[#include <X11/Xlib.h>])
 
 		AC_CHECK_LIB(Xtst, XTestGrabControl, 
-			X_PRELIBS="$X_PRELIBS -lXtst"
+			X_PRELIBS="-lXtst $X_PRELIBS"
 			[AC_DEFINE(HAVE_XTESTGRABCONTROL) HAVE_XTESTGRABCONTROL="true"], ,
 			$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)
 
 		AC_CHECK_LIB(Xtst, XTestFakeKeyEvent, 
-			X_PRELIBS="$X_PRELIBS -lXtst"
+			X_PRELIBS="-lXtst $X_PRELIBS"
 			[AC_DEFINE(HAVE_XTEST)], ,
 			$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)
 
 		if test "x$with_xrecord" != "xno"; then
 			AC_CHECK_LIB(Xtst, XRecordEnableContextAsync, 
-				X_PRELIBS="$X_PRELIBS -lXtst"
+				X_PRELIBS="-lXtst $X_PRELIBS"
 				[AC_DEFINE(HAVE_RECORD)], ,
 				$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)
 		fi

x11vnc/Makefile.am

@@ -15,6 +15,6 @@ if HAVE_X
 bin_PROGRAMS=x11vnc
 x11vnc_SOURCES = 8to24.c cleanup.c connections.c cursor.c gui.c help.c inet.c keyboard.c options.c pointer.c rates.c remote.c scan.c screen.c selection.c solid.c user.c userinput.c util.c win_utils.c x11vnc.c x11vnc_defs.c xdamage.c xevents.c xinerama.c xkb_bell.c xrandr.c xrecord.c xwrappers.c 8to24.h allowed_input_t.h blackout_t.h cleanup.h connections.h cursor.h enums.h gui.h help.h inet.h keyboard.h options.h params.h pointer.h rates.h remote.h scan.h screen.h scrollevent_t.h selection.h solid.h tkx11vnc.h user.h userinput.h util.h win_utils.h winattr_t.h x11vnc.h xdamage.h xevents.h xinerama.h xkb_bell.h xrandr.h xrecord.h xwrappers.h
 INCLUDES=@X_CFLAGS@
-x11vnc_LDADD=@X_LIBS@ $(LD_CYGIPC) $(LDADD)
+x11vnc_LDADD=$(LDADD) @X_LIBS@ $(LD_CYGIPC)
 endif