[OE-core] [PATCH 2/2] toolchain-shar-extract.sh: limit the length for target_sdk_dir

[Wenlin Kang]

Limit the length for target_sdk_dir, this can ensure the relocation
behaviour in relocate_sdk.py has the right result.

Signed-off-by: Wenlin Kang <wenlin.kang at windriver.com>
---
 meta/files/toolchain-shar-extract.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/meta/files/toolchain-shar-extract.sh b/meta/files/toolchain-shar-extract.sh
index 12d39c3..0295bde 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
-- 
1.9.1