Fixes for bug 35466 from wtc, along with some suggestions for better

compiler flags from Jeff D. at Compaq.  This should not affect anything
other than Tru64 Unix.  If it does I can be reached at 919.859.3885

configure.in

@@ -808,11 +808,13 @@ alpha*-*-osf*)
 	DSO_LDOPTS='-shared -Wl,-soname -Wl,$@'
     else
 	MOZ_DEBUG_FLAGS='-g3'
+	MOZ_OPTIMIZE_FLAGS='-fast'
 	ASFLAGS='-I$(topsrcdir)/xpcom/reflect/xptcall/public -g -std1'
-	CFLAGS="$CFLAGS -std1 -ieee_with_inexact"
-	CXXFLAGS="$CXXFLAGS -std1 -ieee_with_inexact -noexceptions"
+	CFLAGS="$CFLAGS -std1"
+	CXXFLAGS="$CXXFLAGS -noexceptions"
 	DSO_LDOPTS='-shared -msym -expect_unresolved \* -soname $@'
 	DSO_CFLAGS=
+	DSO_PIC_CFLAGS=
 	MKSHLIB='-$(LD) $(DSO_LDOPTS)'
 	MKCSHLIB='-$(LD) $(DSO_LDOPTS)'
 	MKSHLIB_FORCE_ALL='-all'