From 4027258ec5199c52a2b0a20ef11f42efca29ef36 Mon Sep 17 00:00:00 2001
From: Qi Zheng <huaiqing.zq@antgroup.com>
Date: Tue, 27 Feb 2024 15:10:02 +0800
Subject: [PATCH] [toolchains] Support set glibc branch for Occlum glibc build

---
 tools/toolchains/glibc/build.sh | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tools/toolchains/glibc/build.sh b/tools/toolchains/glibc/build.sh
index 62d25bd2..40e18156 100755
--- a/tools/toolchains/glibc/build.sh
+++ b/tools/toolchains/glibc/build.sh
@@ -2,9 +2,12 @@
 SRC_DIR=/tmp/glibc/glibc
 BUILD_DIR=/tmp/glibc/glibc_build
 INSTALL_DIR=/opt/occlum/glibc
+GLIBC_BRANCH=${1:-"occlum-glibc-2.31"}
 
 # GCC 9/10 introduces many new checkings and will cause the build to fail.
-if [ "$(gcc -dumpversion)" = "9" -o "$(gcc -dumpversion)" = "10" ]; then
+if [ "$(gcc -dumpversion)" = "9" ] || \
+  [ "$(gcc -dumpversion)" = "10" ] || \
+  [ "$(gcc -dumpversion)" = "11" ]; then
     EXTRA_CFLAGS=-fcommon
     EXTRA_CONFIG_OPTION="--disable-werror"
 fi
@@ -20,7 +23,7 @@ rm -rf ${INSTALL_DIR}
 mkdir -p ${SRC_DIR}
 cd ${SRC_DIR}
 # Download glibc
-git clone -b occlum-glibc-2.31 https://github.com/occlum/glibc .
+git clone -b ${GLIBC_BRANCH} https://github.com/occlum/glibc .
 
 mkdir -p ${BUILD_DIR}
 cd ${BUILD_DIR}