[libc++] Use xcrun to find Ninja in the macOS backdeployment CI too

ldionne · ldionne · commit f1a987366fb9 · 2020-08-26T11:33:05.000-04:00
diff --git a/libcxx/utils/ci/macos-backdeployment.sh b/libcxx/utils/ci/macos-backdeployment.sh
@@ -105,7 +105,7 @@ echo "@@@@@@"
 
 
 echo "@@@ Building and installing libc++ and libc++abi @@@"
-ninja -C "${LLVM_BUILD_DIR}" install-cxx install-cxxabi
+xcrun ninja -C "${LLVM_BUILD_DIR}" install-cxx install-cxxabi
 echo "@@@@@@"
 
 
