toolchain-shar-extract.sh: check the length for target_sdk_dir

Check the length for target_sdk_dir to ensure the relocation
behaviour in relocate_sdk.py is correct.

(From OE-Core rev: 2145bd0d188158c2db85b583b4d7f3ad4612593b)

Signed-off-by: Wenlin Kang <wenlin.kang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/meta/files/toolchain-shar-extract.sh b/meta/files/toolchain-shar-extract.sh
index 12d39c3893..0295bded6e 100644
--- a/meta/files/toolchain-shar-extract.sh
+++ b/meta/files/toolchain-shar-extract.sh
@@ -110,6 +110,12 @@ else
         target_sdk_dir=$(readlink -m "$target_sdk_dir")
 fi
 
+# limit the length for target_sdk_dir, ensure the relocation behaviour in relocate_sdk.py has right result.
+if [ ${#target_sdk_dir} -gt 2048 ]; then
+        echo "Error: The target directory path is too long!!!"
+        exit 1
+fi
+
 if [ "$SDK_EXTENSIBLE" = "1" ]; then
         # We're going to be running the build system, additional restrictions apply
         if echo "$target_sdk_dir" | grep -q '[+\ @$]'; then