reinstate source dir

Author: akuzm

.github/workflows/linux-build-and-test.yaml

@@ -159,6 +159,7 @@ jobs:
         for ext in ${{ matrix.pg_extensions }}; do
           make -C contrib/${ext} install
         done
+        make install-tests
 
     - name: Save PostgreSQL ${{ matrix.pg }} ${{ matrix.build_type }} Cache
       if: matrix.snapshot != 'snapshot' && steps.restore-postgresql-cache.outputs.cache-hit != 'true'
@@ -186,6 +187,7 @@ jobs:
       if: github.event_name != 'pull_request' && runner.os == 'Linux' && matrix.build_type == 'Debug'
       run: |
         BUILD_DIR=nossl ./bootstrap -DCMAKE_BUILD_TYPE=Debug \
+          -DPG_SOURCE_DIR=$(readlink -f pg) \
           ${{ matrix.tsdb_build_args }} -DCODECOVERAGE=${{ matrix.coverage }} -DUSE_OPENSSL=OFF \
           -DTEST_PG_LOG_DIRECTORY="$(readlink -f .)"
         make -j $(getconf _NPROCESSORS_ONLN) -C nossl
@@ -198,6 +200,7 @@ jobs:
         gcc -march=native -E -v - </dev/null 2>&1 | grep cc1
 
         ./bootstrap -DCMAKE_BUILD_TYPE="${{ matrix.build_type }}" \
+          -DPG_SOURCE_DIR=$(readlink -f pg) \
           ${{ matrix.tsdb_build_args }} -DCODECOVERAGE=${{ matrix.coverage }} \
           -DREQUIRE_ALL_TESTS=${{ matrix.installcheck && 'ON' || 'OFF' }} \
           -DTEST_PG_LOG_DIRECTORY="$(readlink -f .)"