make targets optional at cmake configure time

Author: ichinii

CMakeLists.txt

@@ -23,6 +23,9 @@ option(RAYX_ENABLE_OPENMP "This option enables the search for OPENMP. Project wi
 option(RAYX_REQUIRE_OPENMP "If option 'RAYX_ENABLE_OPENMP' is ON, this option will add the requirement that openmp must be found." OFF)
 option(RAYX_ENABLE_H5 "This option enables the search for HDF5. Project will be compiled without HDF5 if not found." ON)
 option(RAYX_REQUIRE_H5 "If option 'RAYX_ENABLE_H5' is ON, this option will add the requirement that HDF5 must be found." OFF)
+option(RAYX_BUILD_TESTS "This option builds the RAYX test suite." ON)
+option(RAYX_BUILD_RAYX_CLI "This option builds the RAYX command line interface." ON)
+option(RAYX_BUILD_RAYX_UI "This option builds the RAYX graphical user interface." ON)
 option(RAYX_STATIC_LIB "This option builds 'rayx-core' as a static library." OFF)
 # ------------------
 

Extern/CMakeLists.txt

@@ -1,27 +1,6 @@
 cmake_minimum_required(VERSION 3.24 FATAL_ERROR)
 include(CheckLanguage)
 
-set(gtest_force_shared_crt ON CACHE BOOL "Always use msvcrt.dll" FORCE)
-
-add_subdirectory(googletest)
-
-# support version in CMakeLists.txt of portable-file-dialogs was removed from cmake. thus we include the header only library by hand
-add_library(portable_file_dialogs INTERFACE)
-target_include_directories(portable_file_dialogs INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/portable-file-dialogs)
-
-# --- CLI11 ---
-set(CLI11_SANITIZERS OFF)
-set(CLI11_BUILD_DOCS OFF)
-set(CLI11_BUILD_TESTS OFF)
-set(CLI11_BUILD_EXAMPLES OFF)
-set(CLI11_BUILD_EXAMPLES_JSON OFF)
-set(CLI11_SINGLE_FILE_TESTS OFF)
-set(CLI11_INSTALL OFF)
-set(CLI11_FORCE_LIBCXX OFF)
-set(CLI11_CUDA_TESTS OFF)
-set(CLI11_CLANG_TIDY OFF)
-add_subdirectory(CLI11)
-
 # --- alpaka ---
 
 # alpaka openmp backend
@@ -97,5 +76,32 @@ if(RAYX_ENABLE_H5)
     endif()
 endif()
 
+if (RAYX_BUILD_TESTS)
+    set(gtest_force_shared_crt ON CACHE BOOL "Always use msvcrt.dll" FORCE)
+
+    add_subdirectory(googletest)
+endif()
+
+# --- CLI11 ---
+if (RAYX_BUILD_RAYX_CLI)
+    set(CLI11_SANITIZERS OFF)
+    set(CLI11_BUILD_DOCS OFF)
+    set(CLI11_BUILD_TESTS OFF)
+    set(CLI11_BUILD_EXAMPLES OFF)
+    set(CLI11_BUILD_EXAMPLES_JSON OFF)
+    set(CLI11_SINGLE_FILE_TESTS OFF)
+    set(CLI11_INSTALL OFF)
+    set(CLI11_FORCE_LIBCXX OFF)
+    set(CLI11_CUDA_TESTS OFF)
+    set(CLI11_CLANG_TIDY OFF)
+    add_subdirectory(CLI11)
+endif()
+
 # --- SDL ---
-add_subdirectory(SDL EXCLUDE_FROM_ALL)
+if(RAYX_BUILD_RAYX_UI)
+    # support version in CMakeLists.txt of portable-file-dialogs was removed from cmake. thus we include the header only library by hand
+    add_library(portable_file_dialogs INTERFACE)
+    target_include_directories(portable_file_dialogs INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/portable-file-dialogs)
+
+    add_subdirectory(SDL EXCLUDE_FROM_ALL)
+endif()

Intern/CMakeLists.txt

@@ -12,13 +12,17 @@ endif()
 # ---- Subdirectories ----
 add_subdirectory(rayx-core)
 
-if(NOT RAYX_CMD STREQUAL "NO")
-    add_subdirectory(rayx)
+if(RAYX_BUILD_RAYX_CLI)
+    if(NOT RAYX_CMD STREQUAL "NO")
+        add_subdirectory(rayx)
+    endif()
 endif()
 
-# Don't build rayx-ui without Vulkan
-if(NOT VULKAN STREQUAL "NO")
-    add_subdirectory(rayx-ui)
+if(RAYX_BUILD_RAYX_UI)
+    # Don't build rayx-ui without Vulkan
+    if(NOT VULKAN STREQUAL "NO")
+        add_subdirectory(rayx-ui)
+    endif()
 endif()
 
 # ------------------------

Intern/rayx-core/CMakeLists.txt

@@ -46,7 +46,9 @@ endif()
 # -----------------------
 
 # ---- Add tests ----
-  add_subdirectory(tests)
+if(RAYX_BUILD_TESTS)
+    add_subdirectory(tests)
+endif()
 
 # -------------------