diff -urNp -x '*.orig' gcc-10.2.0.org/gcc/config.gcc gcc-10.2.0/gcc/config.gcc
--- gcc-10.2.0.org/gcc/config.gcc	2021-03-21 11:32:24.611515690 +0100
+++ gcc-10.2.0/gcc/config.gcc	2021-03-21 11:32:46.784515690 +0100
@@ -3289,7 +3289,7 @@ sparc-*-rtems*)
 	tm_file="${tm_file} elfos.h sparc/sysv4.h sparc/sp-elf.h sparc/rtemself.h rtems.h newlib-stdint.h"
 	tmake_file="${tmake_file} sparc/t-sparc sparc/t-rtems"
 	;;
-sparc-*-linux*)
+sparc-*-linux* | sparcv[789]*-*-linux*)
 	tm_file="${tm_file} elfos.h sparc/sysv4.h gnu-user.h linux.h glibc-stdint.h sparc/tso.h"
 	extra_options="${extra_options} sparc/long-double-switch.opt"
 	case ${target} in
@@ -3343,7 +3343,7 @@ sparc64-*-rtems*)
 	extra_options="${extra_options}"
 	tmake_file="${tmake_file} sparc/t-sparc sparc/t-rtems-64"
 	;;
-sparc64-*-linux*)
+sparc64*-*-linux*)
 	tm_file="sparc/biarch64.h ${tm_file} elfos.h sparc/sysv4.h gnu-user.h linux.h glibc-stdint.h sparc/default64.h sparc/linux64.h sparc/tso.h"
 	extra_options="${extra_options} sparc/long-double-switch.opt"
 	tmake_file="${tmake_file} sparc/t-sparc sparc/t-linux64"
diff -urNp -x '*.orig' gcc-10.2.0.org/libgcc/config.host gcc-10.2.0/libgcc/config.host
--- gcc-10.2.0.org/libgcc/config.host	2020-07-23 08:35:18.752400064 +0200
+++ gcc-10.2.0/libgcc/config.host	2021-03-21 11:32:46.785515690 +0100
@@ -1363,7 +1363,7 @@ sparc-*-elf*)
 	tmake_file="${tmake_file} t-fdpbit t-crtfm"
 	extra_parts="$extra_parts crti.o crtn.o crtfastmath.o"
 	;;
-sparc-*-linux*)		# SPARC's running GNU/Linux, libc6
+sparc-*-linux* | sparcv[789]*-*-linux*)		# SPARC's running GNU/Linux, libc6
 	tmake_file="${tmake_file} t-crtfm"
 	if test "${host_address}" = 64; then
 		tmake_file="$tmake_file sparc/t-linux64"
@@ -1411,7 +1411,7 @@ sparc64-*-freebsd*|ultrasparc-*-freebsd*
 	tmake_file="$tmake_file t-crtfm"
 	extra_parts="$extra_parts crtfastmath.o"
 	;;
-sparc64-*-linux*)		# 64-bit SPARC's running GNU/Linux
+sparc64*-*-linux*)		# 64-bit SPARC's running GNU/Linux
 	extra_parts="$extra_parts crtfastmath.o"
 	tmake_file="${tmake_file} t-crtfm sparc/t-linux"
 	if test "${host_address}" = 64; then