From fd266072ee39ac69c6592570a10e4dc4b1b73974 Mon Sep 17 00:00:00 2001
From: Dingli Zhang <dingli@iscas.ac.cn>
Date: Mon, 6 May 2024 16:50:47 +0800
Subject: [PATCH] Added support for building the riscv64 protoc binaries with
 Kokoro


diff --git a/kokoro/release/protoc/linux/build.sh b/kokoro/release/protoc/linux/build.sh
index 44a95aab3..13be7b2ed 100755
--- a/kokoro/release/protoc/linux/build.sh
+++ b/kokoro/release/protoc/linux/build.sh
@@ -22,6 +22,9 @@ protoc-artifacts/build-protoc.sh linux aarch_64 protoc
 sudo apt install -y g++-powerpc64le-linux-gnu
 protoc-artifacts/build-protoc.sh linux ppcle_64 protoc
 
+sudo apt install -y g++-riscv64-linux-gnu
+protoc-artifacts/build-protoc.sh linux riscv64 protoc
+
 sudo apt install -y g++-s390x-linux-gnu
 protoc-artifacts/build-protoc.sh linux s390_64 protoc
 
diff --git a/protoc-artifacts/build-protoc.sh b/protoc-artifacts/build-protoc.sh
index 460284262..20ca05739 100755
--- a/protoc-artifacts/build-protoc.sh
+++ b/protoc-artifacts/build-protoc.sh
@@ -93,6 +93,8 @@ checkArch ()
         assertEq $format "elf64-x86-64" $LINENO
       elif [[ "$ARCH" == aarch_64 ]]; then
         assertEq $format "elf64-little" $LINENO
+      elif [[ "$ARCH" == riscv64 ]]; then
+        assertEq $format "elf64-littleriscv" $LINENO
       elif [[ "$ARCH" == s390_64 ]]; then
 	if [[ $host_machine == s390x ]];then
 	  assertEq $format "elf64-s390" $LINENO
@@ -162,6 +164,9 @@ checkDependencies ()
     elif [[ "$ARCH" == aarch_64 ]]; then
       dump_cmd='objdump -p '"$1"' | grep NEEDED'
       white_list="libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|ld-linux-aarch64\.so\.1"
+    elif [[ "$ARCH" == riscv64 ]]; then
+      dump_cmd='objdump -p '"$1"' | grep NEEDED'
+      white_list="libz\.so\.1\|libm\.so\.6\|libc\.so\.6\|ld-linux-riscv64-lp64d\.so\.1"
     fi
   elif [[ "$OS" == osx ]]; then
     dump_cmd='otool -L '"$1"' | fgrep dylib'
@@ -226,6 +231,8 @@ elif [[ "$(uname)" == Linux* ]]; then
     elif [[ "$ARCH" == ppcle_64 ]]; then
       CXXFLAGS="$CXXFLAGS -m64"
       CONFIGURE_ARGS="$CONFIGURE_ARGS --host=powerpc64le-linux-gnu"
+    elif [[ "$ARCH" == riscv64 ]]; then
+      CONFIGURE_ARGS="$CONFIGURE_ARGS --host=riscv64-linux-gnu"
     elif [[ "$ARCH" == s390_64 ]]; then
       CXXFLAGS="$CXXFLAGS -m64"
       CONFIGURE_ARGS="$CONFIGURE_ARGS --host=s390x-linux-gnu"
-- 
2.41.0