Updates readme to return PWD to where the user started
@@ -50,9 +50,10 @@ building, see the README at the following repositories:
```
git clone https://github.com/greenplum-db/gp-xerces
mkdir gp-xerces/build
- cd gp-xerces/build
+ pushd gp-xerces/build
../configure
make install
+ popd
```
1. ORCA requires [CMake](https://cmake.org) and
@@ -64,9 +65,10 @@ building, see the README at the following repositories:
```
git clone https://github.com/greenplum-db/gporca
mkdir gporca/build
- cd gporca/build
+ pushd gporca/build
cmake -GNinja ..
ninja install
+ popd
```
**Note**: Get the latest ORCA `git pull --ff-only` if you see an error message like below:
```
