Compile only tests in test CI

Author: Rastislav Turanyi

.github/workflows/run_tests.yml

@@ -65,9 +65,24 @@ jobs:
           BREW_PREFIX="$(brew --prefix)"
           export CMAKE_PREFIX_PATH=$CMAKE_PREFIX_PATH:"/opt/homebrew/opt/openblas"
           if [ $CC = "gcc" ]; then
-            cmake -DCMAKE_C_COMPILER=${BREW_PREFIX}/bin/gcc-13 -DBLA_VENDOR=$BLAS_VENDOR -DBUILD_TESTING=ON -DBUILD_OPENMP_TESTS=ON -S . -B /tmp/build
+            cmake \
+              -DCMAKE_C_COMPILER=${BREW_PREFIX}/bin/gcc-13 \
+              -DBLA_VENDOR=$BLAS_VENDOR \
+              -DBUILD_TESTING=ON \
+              -DBUILD_DOCS=OFF \
+              -DBUILD_OPENMP_TESTS=ON \
+              -DBUILD_REAL_DATA_TESTS=OFF \
+              -DDISABLE_LIBRARY_BUILD \
+              -S . -B /tmp/build
           else
-            cmake -DBLA_VENDOR=$BLAS_VENDOR -DBUILD_TESTING=ON -DBUILD_OPENMP_TESTS=ON -S . -B /tmp/build
+            cmake \
+              -DBLA_VENDOR=$BLAS_VENDOR \
+              -DBUILD_TESTING=ON \
+              -DBUILD_DOCS=OFF \
+              -DBUILD_OPENMP_TESTS=ON \
+              -DBUILD_REAL_DATA_TESTS=OFF \
+              -DDISABLE_LIBRARY_BUILD \
+              -S . -B /tmp/build
           fi
           cmake --build /tmp/build
 

CMakeLists.txt

@@ -17,6 +17,14 @@ option(BUILD_DOCS "Build documentation" ON)
 include(CMakeDependentOption)
 include(CTest)
 
+cmake_dependent_option(
+  DISABLE_LIBRARY_BUILD
+  "Disables building of the main library - only builds the tests"
+  OFF
+  BUILD_TESTING
+  OFF
+)
+
 cmake_dependent_option(
   BUILD_OPENMP_TESTS 
   "In addition to normal tests, also builds and runs tests with OpenMP" 
@@ -70,7 +78,7 @@ if(BUILD_TESTING)
   add_subdirectory(tests)
 endif()
 
-message(STATUS "building ${PROJECT_NAME}, version ${PROJECT_VERSION}")
+message(STATUS "Building ${PROJECT_NAME}, version ${PROJECT_VERSION}")
 
 include(GNUInstallDirs)
 
@@ -79,8 +87,12 @@ set(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR})
 set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_BINDIR})
 
 ##### MAIN #####
-add_subdirectory(src)
-add_subdirectory(dev)
+if(DISABLE_LIBRARY_BUILD)
+  message(STATUS "Library build disabled - only building tests")
+else()
+  add_subdirectory(src)
+  add_subdirectory(dev)
+endif()
 
 if(BUILD_DOCS)
   add_subdirectory(docs)