fixup relative rpaths, remove unused func, fixup llc usage

recipes/rust/files/0070-mk-rt-use-CFG_LLVM_TARGET-instead-of-plain-target-wh.patch

@@ -0,0 +1,26 @@
+From 0f6c3e00618fae91987e7d5bf52dbd63ec291f99 Mon Sep 17 00:00:00 2001
+From: Cody P Schafer <dev@codyps.com>
+Date: Thu, 20 Nov 2014 15:56:58 -0500
+Subject: [PATCH] mk/rt: use CFG_LLVM_TARGET instead of plain target when
+ calling llc
+
+---
+ mk/rt.mk | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/mk/rt.mk b/mk/rt.mk
+index a7d6a6e..38aec83 100644
+--- a/mk/rt.mk
++++ b/mk/rt.mk
+@@ -75,7 +75,7 @@ $$(RT_OUTPUT_DIR_$(1))/%.o: $(S)src/rt/%.ll $$(MKFILE_DEPS) \
+ 	@mkdir -p $$(@D)
+ 	@$$(call E, compile: $$@)
+ 	$$(Q)$$(LLC_$$(CFG_BUILD)) $$(CFG_LLC_FLAGS_$(1)) \
+-	    -filetype=obj -mtriple=$(1) -relocation-model=pic -o $$@ $$<
++	    -filetype=obj -mtriple=$$(CFG_LLVM_TARGET_$(1)) -relocation-model=pic -o $$@ $$<
+ 
+ $$(RT_OUTPUT_DIR_$(1))/%.o: $(S)src/rt/%.c $$(MKFILE_DEPS)
+ 	@mkdir -p $$(@D)
+-- 
+2.1.3
+

recipes/rust/rust.inc

@@ -67,7 +67,7 @@ HOST_CPPFLAGS ??= "${CPPFLAGS}"
 # relative ones so things work a bit better
 #
 # XXX: may need to restrict the -rpath flags to only BUILD & HOST
-RELATIVE_LIB_FROM_BIN = "${@os.path.relpath('libdir', 'bindir')}"
+RELATIVE_LIB_FROM_BIN = "${@os.path.relpath('${libdir}', '${bindir}')}"
 RPATH_LDFLAGS = "-Wl,--enable-new-dtags -Wl,-rpath=$ORIGIN/${RELATIVE_LIB_FROM_BIN} -Wl,-rpath-link=$ORIGIN/${RELATIVE_LIB_FROM_BIN}"
 TARGET_PRE_LINK_ARGS = "${RPATH_LDFLAGS} ${TARGET_CC_ARCH} ${TOOLCHAIN_OPTIONS}"
 BUILD_PRE_LINK_ARGS = "${RPATH_LDFLAGS} ${BUILD_CC_ARCH} ${TOOLCHAIN_OPTIONS}"
@@ -240,6 +240,8 @@ def rust_gen_mk_cfg(d, thing):
         '-e', '/^CFG_GCCISH_CFLAGS/ s;$; {};'.format(cflags_for(d, thing)),
         '-e', '/^CFG_GCCISH_CXXFLAGS/ s;$; {};'.format(cxxflags_for(d, thing)),
         '-e', '/^CFG_GCCISH_LINK_FLAGS/ s;$; {};'.format(ldflags),
+
+        # May need to add: CFG_LLC_FLAGS_{}
         ], stdout=o, stdin=i)
     if r:
         raise Exception
@@ -252,10 +254,6 @@ python do_rust_arch_fixup () {
 addtask rust_arch_fixup before do_configure after do_patch
 do_rust_arch_fixup[dirs] = "${S}/mk/cfg"
 
-def rel_bin_to_lib(bindir, libdir):
-    os.path.relpath(libdir, bindir)
-
-
 do_configure () {
 	# FIXME: target_prefix vs prefix, see cross.bbclass
 

recipes/rust/rust_0.12.0+2014-11-19.bb

@@ -18,4 +18,5 @@ SRC_URI_append = "\
 	file://0059-rustdoc-avoid-supplying-a-bad-default-sysroot-so-the.patch \
 	file://0060-src-etc-install.sh-use-LIBDIR-and-BINDIR-RELATIVE.patch \
 	file://0061-configure-silence-warning-about-LOCAL_RUST_ROOT-bein.patch \
+	file://0070-mk-rt-use-CFG_LLVM_TARGET-instead-of-plain-target-wh.patch \
 "