Merge pull request #12 from ivan-pi/copilot/add-cmake-ctest-setup

Add minimalistic CMake/CTest build support

Author: ivan-pi

.github/workflows/test.yaml

@@ -3,6 +3,24 @@ name: test
 on: [push, pull_request]
 
 jobs:
+  cmake:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Install GFortran and LAPACK
+      run: sudo apt-get install -y gfortran liblapack-dev libblas-dev
+
+    - name: Configure
+      run: cmake -B build -DCMAKE_BUILD_TYPE=Release
+
+    - name: Build
+      run: cmake --build build
+
+    - name: Test
+      run: ctest --test-dir build --output-on-failure
+
   gfortran-nix:
     runs-on: ${{ matrix.os }}
     strategy:

CMakeLists.txt

@@ -0,0 +1,15 @@
+cmake_minimum_required(VERSION 3.14)
+
+project(stiff3
+  VERSION 0.1.0
+  DESCRIPTION "Adaptive solver for stiff systems of ODEs"
+  LANGUAGES Fortran
+)
+
+# Find LAPACK (which typically pulls in BLAS as well)
+find_package(LAPACK REQUIRED)
+
+include(CTest)
+
+add_subdirectory(src)
+add_subdirectory(example)

example/CMakeLists.txt

@@ -0,0 +1,5 @@
+foreach(example robertson vanpol)
+  add_executable(${example} ${example}.f90)
+  target_link_libraries(${example} PRIVATE stiff3)
+  add_test(NAME ${example} COMMAND ${example})
+endforeach()

src/CMakeLists.txt

@@ -0,0 +1,10 @@
+add_library(stiff3
+  stiff3_linalg.f90
+  stiff3_solver.f90
+)
+
+target_link_libraries(stiff3 PUBLIC ${LAPACK_LIBRARIES})
+
+target_include_directories(stiff3 PUBLIC
+  $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
+)