fixup! fixup! fixup! Modernize CMake scripts

Author: HexDecimal

.github/workflows/builds.yml

@@ -101,8 +101,8 @@ jobs:
             -DCMAKE_INSTALL_PREFIX=local \
             -DBUILD_SHARED_LIBS=${{ matrix.shared == 'dynamic' && 'TRUE' || 'FALSE' }} \
             -DLIBTCODFOV_TESTS=ON \
-            -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=bin \
-            -DCMAKE_RUNTIME_OUTPUT_DIRECTORY=bin \
+            -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=\${PROJECT_BINARY_DIR}/bin \
+            -DCMAKE_RUNTIME_OUTPUT_DIRECTORY=\${PROJECT_BINARY_DIR}/bin \
             -Wdev \
             ${{ matrix.cmake_extra_args }}
       - name: CMake build
@@ -169,8 +169,8 @@ jobs:
             -DCMAKE_CXX_FLAGS="--coverage" \
             -DCMAKE_C_FLAGS="--coverage" \
             -DLIBTCODFOV_TESTS=ON \
-            -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=bin \
-            -DCMAKE_RUNTIME_OUTPUT_DIRECTORY=bin \
+            -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=\${PROJECT_BINARY_DIR}/bin \
+            -DCMAKE_RUNTIME_OUTPUT_DIRECTORY=\${PROJECT_BINARY_DIR}/bin \
             -Wdev
       - name: CMake build
         run: |