Added building of an empty posix_arch_ppc.o to make the build

system happy for the time being. We need real setjmp()/longjmp()
implementations for PPC eventually, though.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15401 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/libroot/posix/arch/ppc/Jamfile

@@ -1 +1,9 @@
 SubDir HAIKU_TOP src system libroot posix arch ppc ;
+
+# TODO: Implement!
+MergeObject posix_arch_$(TARGET_ARCH).o :
+	setjmp.S
+#	setjmp_save_sigs.c
+#	sigsetjmp.S
+#	siglongjmp.S
+;