From bb723e61067ebc2499b47a2d83dc18a9a1df11f9 Mon Sep 17 00:00:00 2001
From: Jingyun Hua <huajingyun@loongson.cn>
Date: Tue, 29 Nov 2022 09:00:25 +0000
Subject: [PATCH] Add loongarch support

Signed-off-by: Jingyun Hua <huajingyun@loongson.cn>
---
 config.guess | 3 +++
 config.sub   | 2 ++
 configure.ac | 2 ++
 3 files changed, 7 insertions(+)

diff --git a/config.guess b/config.guess
index 1579317..87298db 100755
--- a/config.guess
+++ b/config.guess
@@ -978,6 +978,9 @@ EOF
     m68*:Linux:*:*)
 	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
+    loongarch32:Linux:*:* | loongarch64:Linux:*:* | loongarchx32:Linux:*:*)
+        echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+        exit ;;
     mips:Linux:*:* | mips64:Linux:*:*)
 	eval "$set_cc_for_build"
 	sed 's/^	//' << EOF > "$dummy.c"
diff --git a/config.sub b/config.sub
index bd82c7b..0410e5f 100755
--- a/config.sub
+++ b/config.sub
@@ -266,6 +266,7 @@ case $basic_machine in
 	| k1om \
 	| le32 | le64 \
 	| lm32 \
+	| loongarch32 | loongarch64 | loongarchx32 \
 	| m32c | m32r | m32rle | m68000 | m68k | m88k \
 	| maxq | mb | microblaze | microblazeel | mcore | mep | metag \
 	| mips | mipsbe | mipseb | mipsel | mipsle \
@@ -396,6 +397,7 @@ case $basic_machine in
 	| k1om-* \
 	| le32-* | le64-* \
 	| lm32-* \
+	| loongarch32 | loongarch64 | loongarchx32 \
 	| m32c-* | m32r-* | m32rle-* \
 	| m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
 	| m88110-* | m88k-* | maxq-* | mcore-* | metag-* \
diff --git a/configure.ac b/configure.ac
index 1d04561..a5b69e6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -781,6 +781,8 @@ cat >> conftest.c <<EOF
         hppa-linux-gnu
 # elif defined(__ia64__)
         ia64-linux-gnu
+# elif defined(__loongarch64)
+        loongarch64-linux-gnu
 # elif defined(__m68k__) && !defined(__mcoldfire__)
         m68k-linux-gnu
 # elif defined(__mips_hard_float) && defined(__mips_isa_rev) && (__mips_isa_rev >=6) && defined(_MIPSEL)
-- 
2.33.0