diff --git a/automake.spec b/automake.spec
index 259d3e3f1b9ba82ea655c9f14b36659a6c4386e3..1b0aa17bd2d8a186720251d127a500a2cd13a875 100644
--- a/automake.spec
+++ b/automake.spec
@@ -4,7 +4,7 @@
 
 Name:           automake
 Version:        1.16.2
-Release:        3
+Release:        4
 Summary:        A tool for automatically generating Makefile.in files
 License:        GPLv2+ and GFDL and Public Domain and MIT
 URL:            http://www.gnu.org/software/automake/
@@ -76,6 +76,9 @@ fi
 %{_mandir}/man1/*
 
 %changelog
+* Wed Dec 22 2021 Sunhaiyong <sunhaiyong@loongson.cn> - 1.16.2-4
+- Add loongarch support.
+
 * Fri Jul 30 2021 panxiaohe <panxiaohe@huawei.com> - 1.16.2-3
 - Support -fno-common in vala-mix2 test
 
diff --git a/config.guess b/config.guess
index 256083a70d35921d544b15f4f51749af89d18b89..38a3a941d48ffb1eaa5c3058db25aa7c871b3b99 100644
--- a/config.guess
+++ b/config.guess
@@ -964,6 +964,9 @@ EOF
     k1om:Linux:*:*)
 	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
+    loongarch64:Linux:*:* | loongarch32:Linux:*:*)
+       echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+       exit ;;
     m32r*:Linux:*:*)
 	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
diff --git a/config.sub b/config.sub
index 20f7cf29a9ed34f61ad235a26d67c09a9a6a523d..f1773ed4fef540aaca05b6fd3c562fb6496c5539 100644
--- a/config.sub
+++ b/config.sub
@@ -285,6 +285,7 @@ case $basic_machine in
 	| k1om \
 	| le32 | le64 \
 	| lm32 \
+	| loongarch64 | loongarch32 \
 	| m32c | m32r | m32rle | m68000 | m68k | m88k \
 	| maxq | mb | microblaze | microblazeel | mcore | mep | metag \
 	| mips | mipsbe | mipseb | mipsel | mipsle \
@@ -415,6 +416,7 @@ case $basic_machine in
 	| k1om-* \
 	| le32-* | le64-* \
 	| lm32-* \
+	| loongarch64 | loongarch32 \
 	| m32c-* | m32r-* | m32rle-* \
 	| m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
 	| m88110-* | m88k-* | maxq-* | mcore-* | metag-* \