Add libunwind to the release scripts

llvm-svn: 242543
diff --git a/llvm/utils/release/export.sh b/llvm/utils/release/export.sh
index 9aee306..2fd4206 100755
--- a/llvm/utils/release/export.sh
+++ b/llvm/utils/release/export.sh
@@ -14,7 +14,7 @@
 
 set -e
 
-projects="llvm cfe test-suite compiler-rt libcxx libcxxabi clang-tools-extra polly lldb lld openmp"
+projects="llvm cfe test-suite compiler-rt libcxx libcxxabi clang-tools-extra polly lldb lld openmp libunwind"
 base_url="https://llvm.org/svn/llvm-project"
 
 release=""
diff --git a/llvm/utils/release/tag.sh b/llvm/utils/release/tag.sh
index 8d6cd5f..caefc7f 100755
--- a/llvm/utils/release/tag.sh
+++ b/llvm/utils/release/tag.sh
@@ -17,7 +17,7 @@
 release=""
 rc=""
 rebranch="no"
-projects="llvm cfe test-suite compiler-rt libcxx libcxxabi clang-tools-extra polly lldb lld openmp"
+projects="llvm cfe test-suite compiler-rt libcxx libcxxabi clang-tools-extra polly lldb lld openmp libunwind"
 dryrun=""
 revision="HEAD"
 
diff --git a/llvm/utils/release/test-release.sh b/llvm/utils/release/test-release.sh
index 465a032..de967dd 100755
--- a/llvm/utils/release/test-release.sh
+++ b/llvm/utils/release/test-release.sh
@@ -18,7 +18,7 @@
     MAKE=make
 fi
 
-projects="llvm cfe compiler-rt libcxx libcxxabi test-suite clang-tools-extra"
+projects="llvm cfe compiler-rt libcxx libcxxabi test-suite clang-tools-extra libunwind"
 
 # Base SVN URL for the sources.
 Base_url="http://llvm.org/svn/llvm-project"
@@ -244,6 +244,10 @@
     if [ ! -h libcxxabi ]; then
         ln -s ../../libcxxabi.src libcxxabi
     fi
+    if [ ! -h libunwind ]; then
+        ln -s ../../libunwind.src libunwind
+    fi
+
     cd $BuildDir
 }