fix: replace GLOB with explicit file lists in CMakeLists

Replace file(GLOB) with explicit source lists in src/cpp, tests/cpp, and examples/cpp CMakeLists.txt to avoid stale builds when files are added or renamed. Resolves #203.

Author: Jiya-Rathi

examples/cpp/CMakeLists.txt

@@ -1,12 +1,44 @@
 # examples_C++ Configuration
 include_directories("${CMAKE_SOURCE_DIR}/src/cpp")
 
-# Find all .cpp files in the examples directory
-file(GLOB EXAMPLE_SOURCES *.cpp)
+set(EXAMPLE_SOURCES
+  backward_euler.cpp
+  burgers1D.cpp
+  convection_diffusion3D.cpp
+  elliptic1D.cpp
+  elliptic1DHomogeneousDirichlet.cpp
+  elliptic1DLeftNeumannRightDirichlet.cpp
+  elliptic1DLeftNeumannRightNeumann.cpp
+  elliptic1DNonHomogeneousDirichlet.cpp
+  elliptic2D.cpp
+  elliptic2D_x_dirichlet_y_dirichlet.cpp
+  elliptic3D.cpp
+  hyperbolic1D_upwind.cpp
+  lock_exchange.cpp
+  maxwell1D.cpp
+  parabolic1D.cpp
+  poisson2D.cpp
+  poisson_2D_dirichlet.cpp
+  RK2.cpp
+  schrodinger1D.cpp
+  schrodinger2D.cpp
+  sturmLiouvilleBessel.cpp
+  sturmLiouvilleChebyshev.cpp
+  sturmLiouvilleHelmholtzDirichletDirichlet.cpp
+  sturmLiouvilleHelmholtzDirichletRobin.cpp
+  sturmLiouvilleHermite.cpp
+  sturmLiouvilleLaguerre.cpp
+  sturmLiouvilleLegendre.cpp
+  transport1D.cpp
+  wave1d_case2.cpp
+  wave1d.cpp
+  wave2d_case2.cpp
+  wave2d.cpp
+)
 
 # Create executables for each source file
 foreach(EXAMPLE_SOURCE ${EXAMPLE_SOURCES})
     get_filename_component(EXAMPLE_NAME ${EXAMPLE_SOURCE} NAME_WE)
     add_executable(${EXAMPLE_NAME} ${EXAMPLE_SOURCE})
     target_link_libraries(${EXAMPLE_NAME} PUBLIC mole_C++ ${LINK_LIBS})
-endforeach()
+endforeach()

src/cpp/CMakeLists.txt

@@ -1,7 +1,15 @@
 # mole_C++ Library Configuration
 
-file(GLOB SOURCES *.cpp)
-add_library(mole_C++ ${SOURCES})
+add_library(mole_C++
+  addscalarbc.cpp
+  divergence.cpp
+  gradient.cpp
+  interpol.cpp
+  laplacian.cpp
+  mixedbc.cpp
+  robinbc.cpp
+  utils.cpp
+)
 target_include_directories(mole_C++ PUBLIC ${ARMADILLO_INCLUDE_DIRS} ${EIGEN3_INCLUDE_DIRS} ${OpenBLAS_INCLUDE_DIRS} ${SUPERLU_INCLUDE_DIR})
 target_link_libraries(mole_C++ PUBLIC ${LINK_LIBS})
 
@@ -11,4 +19,4 @@ install(TARGETS mole_C++ DESTINATION lib)
 
 
 # ${CMAKE_INSTALL_PREFIX}/lib for custom installation path. 
-# ${CMAKE_BINARY_DIR}/install for cmake build directory installation
+# ${CMAKE_BINARY_DIR}/install for cmake build directory installation

tests/cpp/CMakeLists.txt

@@ -13,8 +13,14 @@ FetchContent_Declare(
 # Set up the fetched content
 FetchContent_MakeAvailable(googletest)
 
-# Find all test*.cpp files
-file(GLOB TEST_SOURCES test*.cpp)
+set(TEST_SOURCES
+  test1.cpp
+  test2.cpp
+  test3.cpp
+  test4.cpp
+  test5.cpp
+  test_addscalarbc.cpp
+)
 
 set(TEST_EXECUTABLES "")
 
@@ -38,5 +44,4 @@ endforeach()
 add_custom_target(run_tests
     COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure
     DEPENDS ${TEST_EXECUTABLES}
-)
-
+)