--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1189,7 +1189,7 @@
 esac
 
 case ${target} in
-aarch64*-*-elf | aarch64*-*-fuchsia* | aarch64*-*-rtems*)
+aarch64*-*-elf | aarch64*-*-fuchsia* | aarch64*-*-rtems* | aarch64*-*-montauk*)
 	tm_file="${tm_file} elfos.h newlib-stdint.h"
 	tm_file="${tm_file} aarch64/aarch64-elf.h aarch64/aarch64-errata.h aarch64/aarch64-elf-raw.h"
 	tmake_file="${tmake_file} aarch64/t-aarch64"
@@ -1204,6 +1204,11 @@
 		tm_file="${tm_file} aarch64/rtems.h rtems.h"
 		tmake_file="${tmake_file} aarch64/t-aarch64-rtems"
 		;;
+	aarch64-*-montauk*)
+		tm_file="${tm_file} aarch64/montauk.h"
+		# As for x86_64-montauk: the libc has no stdint.h of its own.
+		use_gcc_stdint=provide
+		;;
 	esac
 	case $target in
 	aarch64_be-*)
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -418,6 +418,14 @@
 	tmake_file="${tmake_file} t-dfprules"
 	md_unwind_header=aarch64/aarch64-unwind.h
 	;;
+aarch64*-*-montauk*)
+	extra_parts="$extra_parts crtbegin.o crtend.o crtfastmath.o"
+	tmake_file="${tmake_file} ${cpu_type}/t-aarch64"
+	tmake_file="${tmake_file} ${cpu_type}/t-lse t-slibgcc-libgcc"
+	tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp t-crtfm"
+	tmake_file="${tmake_file} t-dfprules"
+	md_unwind_header=aarch64/aarch64-unwind.h
+	;;
 aarch64*-*-freebsd*)
 	extra_parts="$extra_parts crtfastmath.o"
 	tmake_file="${tmake_file} ${cpu_type}/t-aarch64"