rust-lang
diff --git a/‎Makefile.in
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diff --git a/‎configure
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diff --git a/‎doc/lib.css
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diff --git a/‎doc/std.css
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diff --git a/‎mk/dist.mk
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diff --git a/‎mk/docs.mk
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diff --git a/‎mk/host.mk
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diff --git a/‎mk/install.mk
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diff --git a/‎mk/pp.mk
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diff --git a/‎mk/stage0.mk
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diff --git a/‎mk/target.mk
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diff --git a/‎mk/tests.mk
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diff --git a/‎mk/tools.mk
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diff --git a/‎src/libcore/core.rc
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diff --git a/‎src/lib/bitv.rs renamed to ‎src/libstd/bitv.rs b/‎src/lib/bitv.rs renamed to ‎src/libstd/bitv.rs
diff --git a/‎src/lib/bool.rs renamed to ‎src/libstd/bool.rs b/‎src/lib/bool.rs renamed to ‎src/libstd/bool.rs
diff --git a/‎src/lib/box.rs renamed to ‎src/libstd/box.rs b/‎src/lib/box.rs renamed to ‎src/libstd/box.rs
diff --git a/‎src/lib/c_vec.rs renamed to ‎src/libstd/c_vec.rs b/‎src/lib/c_vec.rs renamed to ‎src/libstd/c_vec.rs
diff --git a/‎src/lib/char.rs renamed to ‎src/libstd/char.rs b/‎src/lib/char.rs renamed to ‎src/libstd/char.rs
diff --git a/‎src/lib/cmath.rs renamed to ‎src/libstd/cmath.rs b/‎src/lib/cmath.rs renamed to ‎src/libstd/cmath.rs
diff --git a/‎src/lib/comm.rs renamed to ‎src/libstd/comm.rs b/‎src/lib/comm.rs renamed to ‎src/libstd/comm.rs
diff --git a/‎src/lib/ctypes.rs renamed to ‎src/libstd/ctypes.rs b/‎src/lib/ctypes.rs renamed to ‎src/libstd/ctypes.rs
diff --git a/‎src/lib/dbg.rs renamed to ‎src/libstd/dbg.rs b/‎src/lib/dbg.rs renamed to ‎src/libstd/dbg.rs
diff --git a/‎src/lib/deque.rs renamed to ‎src/libstd/deque.rs b/‎src/lib/deque.rs renamed to ‎src/libstd/deque.rs
diff --git a/‎src/lib/ebml.rs renamed to ‎src/libstd/ebml.rs b/‎src/lib/ebml.rs renamed to ‎src/libstd/ebml.rs
diff --git a/‎src/lib/either.rs renamed to ‎src/libstd/either.rs b/‎src/lib/either.rs renamed to ‎src/libstd/either.rs
diff --git a/‎src/lib/extfmt.rs renamed to ‎src/libstd/extfmt.rs b/‎src/lib/extfmt.rs renamed to ‎src/libstd/extfmt.rs
diff --git a/‎src/lib/float.rs renamed to ‎src/libstd/float.rs b/‎src/lib/float.rs renamed to ‎src/libstd/float.rs
diff --git a/‎src/lib/four.rs renamed to ‎src/libstd/four.rs b/‎src/lib/four.rs renamed to ‎src/libstd/four.rs
diff --git a/‎src/lib/fs.rs renamed to ‎src/libstd/fs.rs b/‎src/lib/fs.rs renamed to ‎src/libstd/fs.rs
diff --git a/‎src/lib/fun_treemap.rs renamed to ‎src/libstd/fun_treemap.rs b/‎src/lib/fun_treemap.rs renamed to ‎src/libstd/fun_treemap.rs
diff --git a/‎src/lib/generic_os.rs renamed to ‎src/libstd/generic_os.rs b/‎src/lib/generic_os.rs renamed to ‎src/libstd/generic_os.rs
diff --git a/‎src/lib/getopts.rs renamed to ‎src/libstd/getopts.rs b/‎src/lib/getopts.rs renamed to ‎src/libstd/getopts.rs
diff --git a/‎src/lib/int.rs renamed to ‎src/libstd/int.rs b/‎src/lib/int.rs renamed to ‎src/libstd/int.rs
diff --git a/‎src/lib/io.rs renamed to ‎src/libstd/io.rs b/‎src/lib/io.rs renamed to ‎src/libstd/io.rs
diff --git a/‎src/lib/json.rs renamed to ‎src/libstd/json.rs b/‎src/lib/json.rs renamed to ‎src/libstd/json.rs
diff --git a/‎src/lib/linux_os.rs renamed to ‎src/libstd/linux_os.rs b/‎src/lib/linux_os.rs renamed to ‎src/libstd/linux_os.rs
diff --git a/‎src/lib/list.rs renamed to ‎src/libstd/list.rs b/‎src/lib/list.rs renamed to ‎src/libstd/list.rs
diff --git a/‎src/lib/macos_os.rs renamed to ‎src/libstd/macos_os.rs b/‎src/lib/macos_os.rs renamed to ‎src/libstd/macos_os.rs
diff --git a/‎src/lib/map.rs renamed to ‎src/libstd/map.rs b/‎src/lib/map.rs renamed to ‎src/libstd/map.rs
diff --git a/‎src/lib/math.rs renamed to ‎src/libstd/math.rs b/‎src/lib/math.rs renamed to ‎src/libstd/math.rs
diff --git a/‎src/lib/math_f32.rs renamed to ‎src/libstd/math_f32.rs b/‎src/lib/math_f32.rs renamed to ‎src/libstd/math_f32.rs
diff --git a/‎src/lib/math_f64.rs renamed to ‎src/libstd/math_f64.rs b/‎src/lib/math_f64.rs renamed to ‎src/libstd/math_f64.rs
diff --git a/‎src/lib/net.rs renamed to ‎src/libstd/net.rs b/‎src/lib/net.rs renamed to ‎src/libstd/net.rs
diff --git a/‎src/lib/option.rs renamed to ‎src/libstd/option.rs b/‎src/lib/option.rs renamed to ‎src/libstd/option.rs
diff --git a/‎src/lib/posix_fs.rs renamed to ‎src/libstd/posix_fs.rs b/‎src/lib/posix_fs.rs renamed to ‎src/libstd/posix_fs.rs
diff --git a/‎src/lib/ptr.rs renamed to ‎src/libstd/ptr.rs b/‎src/lib/ptr.rs renamed to ‎src/libstd/ptr.rs
diff --git a/‎src/lib/rand.rs renamed to ‎src/libstd/rand.rs b/‎src/lib/rand.rs renamed to ‎src/libstd/rand.rs
diff --git a/‎src/lib/result.rs renamed to ‎src/libstd/result.rs b/‎src/lib/result.rs renamed to ‎src/libstd/result.rs
diff --git a/‎src/lib/rope.rs renamed to ‎src/libstd/rope.rs b/‎src/lib/rope.rs renamed to ‎src/libstd/rope.rs
diff --git a/‎src/lib/run_program.rs renamed to ‎src/libstd/run_program.rs b/‎src/lib/run_program.rs renamed to ‎src/libstd/run_program.rs
diff --git a/‎src/lib/sha1.rs renamed to ‎src/libstd/sha1.rs b/‎src/lib/sha1.rs renamed to ‎src/libstd/sha1.rs
diff --git a/‎src/lib/smallintmap.rs renamed to ‎src/libstd/smallintmap.rs b/‎src/lib/smallintmap.rs renamed to ‎src/libstd/smallintmap.rs
diff --git a/‎src/lib/sort.rs renamed to ‎src/libstd/sort.rs b/‎src/lib/sort.rs renamed to ‎src/libstd/sort.rs
diff --git a/‎src/lib/std.rc renamed to ‎src/libstd/std.rc b/‎src/lib/std.rc renamed to ‎src/libstd/std.rc
diff --git a/‎src/lib/str.rs renamed to ‎src/libstd/str.rs b/‎src/lib/str.rs renamed to ‎src/libstd/str.rs
diff --git a/‎src/lib/sys.rs renamed to ‎src/libstd/sys.rs b/‎src/lib/sys.rs renamed to ‎src/libstd/sys.rs
diff --git a/‎src/lib/task.rs renamed to ‎src/libstd/task.rs b/‎src/lib/task.rs renamed to ‎src/libstd/task.rs
diff --git a/‎src/lib/tempfile.rs renamed to ‎src/libstd/tempfile.rs b/‎src/lib/tempfile.rs renamed to ‎src/libstd/tempfile.rs
diff --git a/‎src/lib/term.rs renamed to ‎src/libstd/term.rs b/‎src/lib/term.rs renamed to ‎src/libstd/term.rs
diff --git a/‎src/lib/test.rs renamed to ‎src/libstd/test.rs b/‎src/lib/test.rs renamed to ‎src/libstd/test.rs
diff --git a/‎src/lib/time.rs renamed to ‎src/libstd/time.rs b/‎src/lib/time.rs renamed to ‎src/libstd/time.rs
diff --git a/‎src/lib/treemap.rs renamed to ‎src/libstd/treemap.rs b/‎src/lib/treemap.rs renamed to ‎src/libstd/treemap.rs
diff --git a/‎src/lib/tri.rs renamed to ‎src/libstd/tri.rs b/‎src/lib/tri.rs renamed to ‎src/libstd/tri.rs
diff --git a/‎src/lib/u32.rs renamed to ‎src/libstd/u32.rs b/‎src/lib/u32.rs renamed to ‎src/libstd/u32.rs
diff --git a/‎src/lib/u64.rs renamed to ‎src/libstd/u64.rs b/‎src/lib/u64.rs renamed to ‎src/libstd/u64.rs
diff --git a/‎src/lib/u8.rs renamed to ‎src/libstd/u8.rs b/‎src/lib/u8.rs renamed to ‎src/libstd/u8.rs
diff --git a/‎src/lib/ufind.rs renamed to ‎src/libstd/ufind.rs b/‎src/lib/ufind.rs renamed to ‎src/libstd/ufind.rs
diff --git a/‎src/lib/uint.rs renamed to ‎src/libstd/uint.rs b/‎src/lib/uint.rs renamed to ‎src/libstd/uint.rs
diff --git a/‎src/lib/unicode.rs renamed to ‎src/libstd/unicode.rs b/‎src/lib/unicode.rs renamed to ‎src/libstd/unicode.rs
diff --git a/‎src/lib/unsafe.rs renamed to ‎src/libstd/unsafe.rs b/‎src/lib/unsafe.rs renamed to ‎src/libstd/unsafe.rs
diff --git a/‎src/lib/util.rs renamed to ‎src/libstd/util.rs b/‎src/lib/util.rs renamed to ‎src/libstd/util.rs
diff --git a/‎src/lib/uv.rs renamed to ‎src/libstd/uv.rs b/‎src/lib/uv.rs renamed to ‎src/libstd/uv.rs
diff --git a/‎src/lib/vec.rs renamed to ‎src/libstd/vec.rs b/‎src/lib/vec.rs renamed to ‎src/libstd/vec.rs
diff --git a/‎src/lib/win32_fs.rs renamed to ‎src/libstd/win32_fs.rs b/‎src/lib/win32_fs.rs renamed to ‎src/libstd/win32_fs.rs
diff --git a/‎src/lib/win32_os.rs renamed to ‎src/libstd/win32_os.rs b/‎src/lib/win32_os.rs renamed to ‎src/libstd/win32_os.rs
@@ -104,6 +104,7 @@ endif
 
 CFG_RUNTIME :=$(call CFG_LIB_NAME,rustrt)
 CFG_RUSTLLVM :=$(call CFG_LIB_NAME,rustllvm)
+CFG_CORELIB :=$(call CFG_LIB_NAME,core)
 CFG_STDLIB :=$(call CFG_LIB_NAME,ruststd)
 CFG_LIBRUSTC :=$(call CFG_LIB_NAME,rustc)
 
@@ -144,9 +145,9 @@ else
 endif
 
 ifeq ($(CFG_NATURALDOCS),)
-  $(info cfg: no naturaldocs found, omitting doc/std/index.html)
+  $(info cfg: no naturaldocs found, omitting library doc build)
 else
-  DOCS += doc/std/index.html
+  DOCS += doc/core/index.html doc/std/index.html
 endif
 
 ifdef CFG_DISABLE_DOCS
@@ -183,12 +184,21 @@ GENERATED :=
 %:: s.%
 %:: SCCS/s.%
 
+######################################################################
+# Core library variables
+######################################################################
+
+CORELIB_CRATE := $(S)src/libcore/core.rc
+CORELIB_INPUTS := $(wildcard $(addprefix $(S)src/libcore/,        \
+                                           core.rc *.rs */*.rs))
+
 ######################################################################
 # Standard library variables
 ######################################################################
 
-STDLIB_CRATE := $(S)src/lib/std.rc
-STDLIB_INPUTS := $(wildcard $(addprefix $(S)src/lib/,*.rc *.rs */*.rs))
+STDLIB_CRATE := $(S)src/libstd/std.rc
+STDLIB_INPUTS := $(wildcard $(addprefix $(S)src/libstd/,          \
+                                          std.rc *.rs */*.rs))
 
 ######################################################################
 # rustc crate variables
@@ -268,13 +278,21 @@ TROOT$(1)_T_$(2)_H_$(3) = $$(HLIB$(1)_H_$(3))/rustc/$(2)
 TBIN$(1)_T_$(2)_H_$(3) = $$(TROOT$(1)_T_$(2)_H_$(3))/bin
 TLIB$(1)_T_$(2)_H_$(3) = $$(TROOT$(1)_T_$(2)_H_$(3))/lib
 
-# The name of the standard library used by rustc
+# The name of the core and standard libraries used by rustc
 ifdef CFG_DISABLE_SHAREDSTD
+  HCORELIB_DEFAULT$(1)_H_$(3) = \
+    $$(HLIB$(1)_H_$(3))/libcore.rlib
+  TCORELIB_DEFAULT$(1)_T_$(2)_H_$(3) = \
+    $$(TLIB$(1)_T_$(2)_H_$(3))/libcore.rlib
   HSTDLIB_DEFAULT$(1)_H_$(3) = \
     $$(HLIB$(1)_H_$(3))/libstd.rlib
   TSTDLIB_DEFAULT$(1)_T_$(2)_H_$(3) = \
     $$(TLIB$(1)_T_$(2)_H_$(3))/libstd.rlib
 else
+  HCORELIB_DEFAULT$(1)_H_$(3) = \
+    $$(HLIB$(1)_H_$(3))/$(CFG_CORELIB)
+  TCORELIB_DEFAULT$(1)_T_$(2)_H_$(3) = \
+    $$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_CORELIB)
   HSTDLIB_DEFAULT$(1)_H_$(3) = \
     $$(HLIB$(1)_H_$(3))/$(CFG_STDLIB)
   TSTDLIB_DEFAULT$(1)_T_$(2)_H_$(3) = \
@@ -286,6 +304,7 @@ HSREQ$(1)_H_$(3) = \
 	$$(HBIN$(1)_H_$(3))/rustc$$(X) \
 	$$(HLIB$(1)_H_$(3))/$$(CFG_RUNTIME) \
 	$$(HLIB$(1)_H_$(3))/$$(CFG_RUSTLLVM) \
+	$$(HCORELIB_DEFAULT$(1)_H_$(3)) \
 	$$(HSTDLIB_DEFAULT$(1)_H_$(3)) \
 	$$(MKFILE_DEPS)
 
@@ -299,6 +318,7 @@ TSREQ$(1)_T_$(2)_H_$(3) = \
 # Prerequisites for complete stageN targets
 SREQ$(1)_T_$(2)_H_$(3) = \
 	$$(TSREQ$(1)_T_$(2)_H_$(3)) \
+	$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_CORELIB) \
 	$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_STDLIB)
 
 ifeq ($(1),0)
 
@@ -355,8 +355,8 @@ fi
 step_msg "making directories"
 
 for i in \
-    doc doc/std \
-    nd nd/std \
+    doc doc/core doc/std \
+    nd nd/core nd/std \
     dl tmp
 do
     make_dir $i
 
@@ -0,0 +1,8 @@
+/*
+Custom styles for the library docs generated by naturaldocs
+*/
+
+p {
+   text-indent: 0;
+   margin-bottom: 1em;
+   }
@@ -46,6 +46,7 @@ PKG_FILES = \
       $(PKG_3RDPARTY))                         \
     $(PKG_UV)                                  \
     $(COMPILER_INPUTS)                         \
+    $(CORELIB_INPUTS)                          \
     $(STDLIB_INPUTS)                           \
     $(ALL_TEST_INPUTS)                         \
     $(FUZZER_CRATE)                            \
 
@@ -29,19 +29,25 @@ docsnap: doc/rust.pdf
 	@$(call E, snap: doc/rust-$(shell date +"%Y-%m-%d")-snap.pdf)
 	$(Q)mv $< doc/rust-$(shell date +"%Y-%m-%d")-snap.pdf
 
-doc/std/index.html: nd/std/Languages.txt nd/std/Topics.txt nd/std/std.css \
-                    $(STDLIB_CRATE) $(STDLIB_INPUTS)
-	@$(call E, naturaldocs: $@)
-	naturaldocs -i $(S)src/lib -o HTML doc/std -p nd/std -r -s Default std
-
-nd/std/Languages.txt: $(S)doc/Languages.txt
-	@$(call E, cp: $@)
-	$(Q)cp $< $@
-
-nd/std/Topics.txt: $(S)doc/Topics.txt
-	@$(call E, cp: $@)
-	$(Q)cp $< $@
-
-nd/std/std.css: $(S)doc/std.css
-	@$(call E, cp: $@)
-	$(Q)cp $< $@
+define libdoc
+doc/$(1)/index.html: nd/$(1)/Languages.txt nd/$(1)/Topics.txt \
+                     nd/$(1)/lib.css $(2)
+	@$$(call E, naturaldocs: $$@)
+	naturaldocs -i $(S)src/lib$(1) -o HTML doc/$(1) -p nd/$(1) -r -s Default lib
+
+nd/$(1)/Languages.txt: $(S)doc/Languages.txt
+	@$$(call E, cp: $$@)
+	$(Q)cp $$< $$@
+
+nd/$(1)/Topics.txt: $(S)doc/Topics.txt
+	@$$(call E, cp: $$@)
+	$(Q)cp $$< $$@
+
+nd/$(1)/lib.css: $(S)doc/lib.css
+	@$$(call E, cp: $$@)
+	$(Q)cp $$< $$@
+
+endef
+
+$(eval $(call libdoc,core,$(CORELIB_CRATE) $(CORELIB_INPUTS)))
+$(eval $(call libdoc,std,$(STDLIB_CRATE) $(STDLIB_INPUTS)))
@@ -15,6 +15,7 @@ $$(HBIN$(2)_H_$(4))/rustc$$(X): \
 	$$(TBIN$(1)_T_$(4)_H_$(3))/rustc$$(X) \
 	$$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME) \
 	$$(HLIB$(2)_H_$(4))/$$(CFG_RUSTLLVM) \
+	$$(HCORELIB_DEFAULT$(2)_H_$(4)) \
 	$$(HSTDLIB_DEFAULT$(2)_H_$(4))
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
@@ -25,6 +26,7 @@ $$(HLIB$(2)_H_$(4))/$$(CFG_LIBRUSTC): \
 	$$(TLIB$(1)_T_$(4)_H_$(3))/$$(CFG_LIBRUSTC) \
 	$$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME) \
 	$$(HLIB$(2)_H_$(4))/$$(CFG_RUSTLLVM) \
+	$$(HCORELIB_DEFAULT$(2)_H_$(3)) \
 	$$(HSTDLIB_DEFAULT$(2)_H_$(3))
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
@@ -34,14 +36,28 @@ $$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME): \
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
 
+$$(HLIB$(2)_H_$(4))/$$(CFG_CORELIB): \
+	$$(TLIB$(1)_T_$(4)_H_$(3))/$$(CFG_CORELIB) \
+	$$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME)
+	@$$(call E, cp: $$@)
+	$$(Q)cp $$< $$@
+
 $$(HLIB$(2)_H_$(4))/$$(CFG_STDLIB): \
 	$$(TLIB$(1)_T_$(4)_H_$(3))/$$(CFG_STDLIB) \
+	$$(HLIB$(2)_H_$(4))/$$(CFG_CORELIB) \
+	$$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME)
+	@$$(call E, cp: $$@)
+	$$(Q)cp $$< $$@
+
+$$(HLIB$(2)_H_$(4))/libcore.rlib: \
+	$$(TLIB$(1)_T_$(4)_H_$(3))/libcore.rlib \
 	$$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME)
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
 
 $$(HLIB$(2)_H_$(4))/libstd.rlib: \
 	$$(TLIB$(1)_T_$(4)_H_$(3))/libstd.rlib \
+	$$(HLIB$(2)_H_$(4))/libcore.rlib \
 	$$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME)
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
 
@@ -33,6 +33,7 @@ PTL$(1)$(2) = $$(PTR$(1)$(2))/lib
 install-target-$(1)-host-$(2): $$(SREQ$$(ISTAGE)_T_$(1)_H_$(2))
 	$$(Q)mkdir -p $$(PTL$(1)$(2))
 	$$(Q)$$(call INSTALL,$$(TL$(1)$(2)),$$(PTL$(1)$(2)),$$(CFG_RUNTIME))
+	$$(Q)$$(call INSTALL,$$(TL$(1)$(2)),$$(PTL$(1)$(2)),$$(CFG_CORELIB))
 	$$(Q)$$(call INSTALL,$$(TL$(1)$(2)),$$(PTL$(1)$(2)),$$(CFG_STDLIB))
 	$$(Q)$$(call INSTALL,$$(TL$(1)$(2)),$$(PTL$(1)$(2)),intrinsics.bc)
 	$$(Q)$$(call INSTALL,$$(TL$(1)$(2)),$$(PTL$(1)$(2)),libmorestack.a)
@@ -61,6 +62,7 @@ install-host: $(SREQ$(ISTAGE)_T_$(CFG_HOST_TRIPLE)_H_$(CFG_HOST_TRIPLE))
 	$(Q)mkdir -p $(PREFIX_ROOT)/share/man/man1
 	$(Q)$(call INSTALL,$(HB),$(PHB),rustc$(X))
 	$(Q)$(call INSTALL,$(HL),$(PHL),$(CFG_RUNTIME))
+	$(Q)$(call INSTALL,$(HL),$(PHL),$(CFG_CORELIB))
 	$(Q)$(call INSTALL,$(HL),$(PHL),$(CFG_STDLIB))
 	$(Q)$(call INSTALL,$(HL),$(PHL),$(CFG_RUSTLLVM))
 	$(Q)$(call INSTALL,$(S)/man, \
 
@@ -2,7 +2,8 @@
 ifdef PPFILES
   PP_INPUTS_FILTERED := $(wildcard $(PPFILES))
 else
-  PP_INPUTS = $(wildcard $(addprefix $(S)src/lib/,*.rs */*.rs)) \
+  PP_INPUTS = $(wildcard $(addprefix $(S)src/libcore/,*.rs */*.rs)) \
+              $(wildcard $(addprefix $(S)src/libstd/,*.rs */*.rs)) \
               $(wildcard $(addprefix $(S)src/comp/,*.rs */*.rs */*/*.rs)) \
               $(wildcard $(S)src/test/*/*.rs    \
                          $(S)src/test/*/*/*.rs) \
 
@@ -13,6 +13,10 @@ $(HLIB0_H_$(CFG_HOST_TRIPLE))/$(CFG_RUNTIME): \
 		$(HBIN0_H_$(CFG_HOST_TRIPLE))/rustc$(X)
 	$(Q)touch $@
 
+$(HLIB0_H_$(CFG_HOST_TRIPLE))/$(CFG_CORELIB): \
+		$(HBIN0_H_$(CFG_HOST_TRIPLE))/rustc$(X)
+	$(Q)touch $@
+
 $(HLIB0_H_$(CFG_HOST_TRIPLE))/$(CFG_STDLIB): \
 		$(HBIN0_H_$(CFG_HOST_TRIPLE))/rustc$(X)
 	$(Q)touch $@
@@ -38,6 +42,11 @@ $$(HLIB0_H_$(1))/$$(CFG_RUNTIME): \
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
 
+$$(HLIB0_H_$(1))/$(CFG_CORELIB): \
+		$$(TLIB$(2)_T_$(1)_H_$(3))/$$(CFG_CORELIB)
+	@$$(call E, cp: $$@)
+	$$(Q)cp $$< $$@
+
 $$(HLIB0_H_$(1))/$(CFG_STDLIB): \
 		$$(TLIB$(2)_T_$(1)_H_$(3))/$$(CFG_STDLIB)
 	@$$(call E, cp: $$@)
 
@@ -22,8 +22,15 @@ $$(TLIB$(1)_T_$(2)_H_$(3))/libmorestack.a: \
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
 
+$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_CORELIB): \
+		$$(CORELIB_CRATE) $$(CORELIB_INPUTS) \
+		$$(TSREQ$(1)_T_$(2)_H_$(3))
+	@$$(call E, compile_and_link: $$@)
+	$$(STAGE$(1)_T_$(2)_H_$(3)) --lib -o $$@ $$<
+
 $$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_STDLIB): \
 		$$(STDLIB_CRATE) $$(STDLIB_INPUTS) \
+        $$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_CORELIB) \
 		$$(TSREQ$(1)_T_$(2)_H_$(3))
 	@$$(call E, compile_and_link: $$@)
 	$$(STAGE$(1)_T_$(2)_H_$(3)) --lib -o $$@ $$<
 
@@ -87,6 +87,8 @@ tidy:
               $(wildcard $(S)src/etc/*.py)  \
               $(COMPILER_CRATE) \
               $(COMPILER_INPUTS) \
+              $(CORELIB_CRATE) \
+              $(CORELIB_INPUTS) \
               $(STDLIB_CRATE) \
               $(STDLIB_INPUTS) \
               $(COMPILETEST_CRATE) \
@@ -475,4 +477,4 @@ endef
 $(foreach stage,$(STAGES),						\
  $(eval $(call DEF_CHECK_FOR_STAGE,$(stage))))
 
-check-fast: check-fast-H-$(CFG_HOST_TRIPLE)
+check-fast: check-fast-H-$(CFG_HOST_TRIPLE)
@@ -19,6 +19,7 @@ define TOOLS_STAGE_N
 $$(TBIN$(1)_T_$(4)_H_$(3))/fuzzer$$(X):				\
 		$$(FUZZER_CRATE) $$(FUZZER_INPUTS)			\
 		$$(TSREQ$(1)_T_$(4)_H_$(3))					\
+		$$(TLIB$(1)_T_$(4)_H_$(3))/$$(CFG_CORELIB)	\
 		$$(TLIB$(1)_T_$(4)_H_$(3))/$$(CFG_STDLIB)	\
 		$$(TLIB$(1)_T_$(4)_H_$(3))/$$(CFG_LIBRUSTC)
 	@$$(call E, compile_and_link: $$@)
@@ -37,6 +38,7 @@ $$(HBIN$(2)_H_$(4))/fuzzer$$(X):				\
 $$(TBIN$(1)_T_$(4)_H_$(3))/compiletest$$(X):			\
 		$$(COMPILETEST_CRATE) $$(COMPILETEST_INPUTS)	\
 		$$(TSREQ$(1)_T_$(4)_H_$(3))						\
+		$$(TLIB$(1)_T_$(4)_H_$(3))/$$(CFG_CORELIB)      \
 		$$(TLIB$(1)_T_$(4)_H_$(3))/$$(CFG_STDLIB)
 	@$$(call E, compile_and_link: $$@)
 	$$(STAGE$(1)_T_$(4)_H_$(3)) -o $$@ $$<
@@ -50,6 +52,7 @@ $$(HBIN$(2)_H_$(4))/compiletest$$(X):				\
 $$(TBIN$(1)_T_$(4)_H_$(3))/cargo$$(X):				\
 		$$(CARGO_CRATE) $$(CARGO_INPUTS)			\
 		$$(TSREQ$(1)_T_$(4)_H_$(3))					\
+		$$(TLIB$(1)_T_$(4)_H_$(3))/$$(CFG_CORELIB)  \
 		$$(TLIB$(1)_T_$(4)_H_$(3))/$$(CFG_STDLIB)   \
 		$$(TLIB$(1)_T_$(4)_H_$(3))/$$(CFG_LIBRUSTC)
 	@$$(call E, compile_and_link: $$@)
 
@@ -0,0 +1,17 @@
+#[link(name = "core",
+       vers = "0.1",
+       uuid = "c70c24a7-5551-4f73-8e37-380b11d80be8",
+       url = "http://rust-lang.org/src/core")];
+
+#[comment = "The Rust core library"];
+#[license = "BSD"];
+
+
+// Local Variables:
+// mode: rust;
+// fill-column: 78;
+// indent-tabs-mode: nil
+// c-basic-offset: 4
+// buffer-file-coding-system: utf-8-unix
+// compile-command: "make -k -C .. 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
+// End: