diff --git a/gcc/rust/Make-lang.in b/gcc/rust/Make-lang.in
index 74e8886e6a0..8ef50b24594 100644
--- a/gcc/rust/Make-lang.in
+++ b/gcc/rust/Make-lang.in
@@ -182,11 +182,14 @@ RUST_ALL_OBJS = $(GRS_OBJS) $(RUST_TARGET_OBJS)
 
 rust_OBJS = $(RUST_ALL_OBJS) rust/rustspec.o
 
+RUST_LDFLAGS = $(LDFLAGS) -L./../libgrust/libproc_macro
+RUST_LIBDEPS = $(LIBDEPS) ../libgrust/libproc_macro/libproc_macro.a
+
 # The compiler itself is called crab1
-crab1$(exeext): $(RUST_ALL_OBJS) attribs.o $(BACKEND) $(LIBDEPS) $(rust.prev)
+crab1$(exeext): $(RUST_ALL_OBJS) attribs.o $(BACKEND) $(RUST_LIBDEPS) $(rust.prev)
 	@$(call LINK_PROGRESS,$(INDEX.rust),start)
-	+$(LLINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ \
-	      $(RUST_ALL_OBJS) attribs.o $(BACKEND) $(LIBS) $(BACKENDLIBS)
+	+$(LLINKER) $(ALL_LINKERFLAGS) $(RUST_LDFLAGS) -o $@ \
+	      $(RUST_ALL_OBJS) attribs.o $(BACKEND) $(LIBS) ../libgrust/libproc_macro/libproc_macro.a $(BACKENDLIBS)
 	@$(call LINK_PROGRESS,$(INDEX.rust),end)
 
 # Build hooks.
@@ -355,7 +358,8 @@ RUST_INCLUDES = -I $(srcdir)/rust \
 	-I $(srcdir)/rust/checks/errors \
 	-I $(srcdir)/rust/checks/errors/privacy \
 	-I $(srcdir)/rust/util \
-        -I $(srcdir)/rust/metadata
+        -I $(srcdir)/rust/metadata \
+		-I $(srcdir)/../libgrust
 
 # add files that require cross-folder includes - currently rust-lang.o, rust-lex.o
 CFLAGS-rust/rust-lang.o += $(RUST_INCLUDES)
diff --git a/libgrust/Makefile.am b/libgrust/Makefile.am
index e13686327ec..38ee48a8003 100644
--- a/libgrust/Makefile.am
+++ b/libgrust/Makefile.am
@@ -11,9 +11,6 @@ TOP_GCCDIR := $(shell cd $(top_srcdir) && cd .. && pwd)
 GCC_DIR = $(TOP_GCCDIR)/gcc
 RUST_SRC = $(GCC_DIR)/rust
 
-toolexeclibdir=@toolexeclibdir@
-toolexecdir=@toolexecdir@
-
 SUBDIRS = libproc_macro
 
 RUST_BUILDDIR := $(shell pwd)
@@ -62,7 +59,6 @@ AM_MAKEFLAGS = \
 	"DESTDIR=$(DESTDIR)" \
 	"WERROR=$(WERROR)" \
         "TARGET_LIB_PATH=$(TARGET_LIB_PATH)" \
-        "TARGET_LIB_PATH_libgrust=$(TARGET_LIB_PATH_libgrust)" \
-	"LIBTOOL=$(RUST_BUILDDIR)/libtool"
+        "TARGET_LIB_PATH_librust=$(TARGET_LIB_PATH_librust)"
 
 include $(top_srcdir)/../multilib.am
diff --git a/libgrust/Makefile.in b/libgrust/Makefile.in
index bcf0aa07077..e9a410b9009 100644
--- a/libgrust/Makefile.in
+++ b/libgrust/Makefile.in
@@ -355,8 +355,7 @@ AM_MAKEFLAGS = \
 	"DESTDIR=$(DESTDIR)" \
 	"WERROR=$(WERROR)" \
         "TARGET_LIB_PATH=$(TARGET_LIB_PATH)" \
-        "TARGET_LIB_PATH_libgrust=$(TARGET_LIB_PATH_libgrust)" \
-	"LIBTOOL=$(RUST_BUILDDIR)/libtool"
+        "TARGET_LIB_PATH_librust=$(TARGET_LIB_PATH_librust)"
 
 MULTISRCTOP = 
 MULTIBUILDTOP = 
diff --git a/libgrust/libproc_macro/Makefile.am b/libgrust/libproc_macro/Makefile.am
index e714362e1e2..0fe22114248 100644
--- a/libgrust/libproc_macro/Makefile.am
+++ b/libgrust/libproc_macro/Makefile.am
@@ -2,7 +2,7 @@ SUFFIXES = .cc .o .a .lo .la
 
 ACLOCAL_AMFLAGS = -I .. -I ../../config
 
-AR=@AR@
+AR = @AR@
 AR_FLAGS = rc
 
 # Work around what appears to be a GNU make bug handling MAKEFLAGS
@@ -48,13 +48,11 @@ AM_MAKEFLAGS = \
         "TARGET_LIB_PATH=$(TARGET_LIB_PATH)"
 
 TARGETLIB = ./libproc_macro.a
-
 LIBOBJS = @LIBOBJS@
-
 objext = @OBJEXT@
 
 REQUIRED_OFILES =							\
-	./proc_macro.$(objext)
+	./proc_macro.$(objext) ./literal.$(objext) ./group.$(objext) ./ident.$(objext) ./punct.$(objext) ./tokenstream.$(objext) ./tokentree.$(objext)
 
 all: $(TARGETLIB)
 
@@ -62,4 +60,3 @@ $(TARGETLIB): $(REQUIRED_OFILES) $(LIBOBJS)
 	-rm -f $(TARGETLIB)
 	$(AR) $(AR_FLAGS) $(TARGETLIB) \
 	  $(REQUIRED_OFILES) $(EXTRA_OFILES) $(LIBOBJS)
-
diff --git a/libgrust/libproc_macro/Makefile.in b/libgrust/libproc_macro/Makefile.in
index 9ff1dd69cc3..6eb5365d1ac 100644
--- a/libgrust/libproc_macro/Makefile.in
+++ b/libgrust/libproc_macro/Makefile.in
@@ -311,7 +311,7 @@ AM_MAKEFLAGS = \
 TARGETLIB = ./libproc_macro.a
 objext = @OBJEXT@
 REQUIRED_OFILES = \
-	./proc_macro.$(objext)
+	./proc_macro.$(objext) ./literal.$(objext) ./group.$(objext) ./ident.$(objext) ./punct.$(objext) ./tokenstream.$(objext) ./tokentree.$(objext)
 
 all: all-am