chore: move single file to own folder

.github/workflows/build.yml

@@ -36,13 +36,10 @@ jobs:
       - name: Make header
         run: cmake --build build --target CLI11-generate-single-file
 
-      - name: Copy file to main folder
-        run: cp build/include/CLI11.hpp CLI11.hpp
-
       - uses: actions/upload-artifact@v4
         with:
           name: CLI11.hpp
-          path: CLI11.hpp
+          path: build/single-include/CLI11.hpp
 
       - uses: actions/upload-artifact@v4
         with:
@@ -54,6 +51,4 @@ jobs:
         if: startsWith(github.ref, 'refs/tags/')
         with:
           files: |
-            CLI11.hpp
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+            build/single-include/CLI11.hpp

CMakeLists.txt

@@ -132,10 +132,45 @@ endif()
 
 include(CLI11Warnings)
 
+# Sources
+
+set(CLI11_headerLoc "${PROJECT_SOURCE_DIR}/include/CLI")
+
+set(CLI11_headers
+    ${CLI11_headerLoc}/App.hpp
+    ${CLI11_headerLoc}/Config.hpp
+    ${CLI11_headerLoc}/ConfigFwd.hpp
+    ${CLI11_headerLoc}/Error.hpp
+    ${CLI11_headerLoc}/Formatter.hpp
+    ${CLI11_headerLoc}/FormatterFwd.hpp
+    ${CLI11_headerLoc}/Macros.hpp
+    ${CLI11_headerLoc}/Option.hpp
+    ${CLI11_headerLoc}/Split.hpp
+    ${CLI11_headerLoc}/StringTools.hpp
+    ${CLI11_headerLoc}/TypeTools.hpp
+    ${CLI11_headerLoc}/Validators.hpp
+    ${CLI11_headerLoc}/Version.hpp
+    ${CLI11_headerLoc}/Encoding.hpp
+    ${CLI11_headerLoc}/Argv.hpp)
+
+set(CLI11_impl_headers
+    ${CLI11_headerLoc}/impl/App_inl.hpp
+    ${CLI11_headerLoc}/impl/Config_inl.hpp
+    ${CLI11_headerLoc}/impl/Formatter_inl.hpp
+    ${CLI11_headerLoc}/impl/Option_inl.hpp
+    ${CLI11_headerLoc}/impl/Split_inl.hpp
+    ${CLI11_headerLoc}/impl/StringTools_inl.hpp
+    ${CLI11_headerLoc}/impl/Validators_inl.hpp
+    ${CLI11_headerLoc}/impl/Encoding_inl.hpp
+    ${CLI11_headerLoc}/impl/Argv_inl.hpp)
+
+set(CLI11_library_headers ${CLI11_headerLoc}/CLI.hpp ${CLI11_headerLoc}/Timer.hpp)
+
 # build the fuzzing example or fuzz entry point
 add_subdirectory(fuzz)
 
 add_subdirectory(src)
+add_subdirectory(single-include)
 
 # Allow tests to be run on CUDA
 if(CLI11_CUDA_TESTS)

single-include/CMakeLists.txt

@@ -0,0 +1,37 @@
+if(CLI11_SINGLE_FILE)
+  # Single file test
+  if(CMAKE_VERSION VERSION_LESS 3.12)
+    find_package(PythonInterp REQUIRED)
+    add_executable(Python::Interpreter IMPORTED)
+    set_target_properties(Python::Interpreter PROPERTIES IMPORTED_LOCATION "${PYTHON_EXECUTABLE}"
+                                                         VERSION "${PYTHON_VERSION_STRING}")
+  else()
+    find_package(
+      Python
+      COMPONENTS Interpreter
+      REQUIRED)
+  endif()
+
+  file(MAKE_DIRECTORY "${PROJECT_BINARY_DIR}/single-include")
+  add_custom_command(
+    OUTPUT "${PROJECT_BINARY_DIR}/single-include/CLI11.hpp"
+    COMMAND
+      Python::Interpreter "${PROJECT_SOURCE_DIR}/scripts/MakeSingleHeader.py" ${CLI11_headers}
+      ${CLI11_impl_headers} --main "${PROJECT_SOURCE_DIR}/CLI11.hpp.in" --output
+      "${PROJECT_BINARY_DIR}/single-include/CLI11.hpp" --version "${CLI11_VERSION}"
+    DEPENDS "${PROJECT_SOURCE_DIR}/include/CLI/CLI.hpp" ${CLI11_headers} ${CLI11_impl_headers})
+  add_custom_target(CLI11-generate-single-file ALL
+                    DEPENDS "${PROJECT_BINARY_DIR}/single-include/CLI11.hpp")
+  set_property(TARGET CLI11-generate-single-file PROPERTY FOLDER "Scripts")
+  if(CLI11_INSTALL)
+    install(FILES "${PROJECT_BINARY_DIR}/single-include/CLI11.hpp"
+            DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+  endif()
+  add_library(CLI11_SINGLE INTERFACE)
+  target_link_libraries(CLI11_SINGLE INTERFACE CLI11)
+  add_dependencies(CLI11_SINGLE CLI11-generate-single-file)
+  target_compile_definitions(CLI11_SINGLE INTERFACE -DCLI11_SINGLE_FILE)
+  target_include_directories(
+    CLI11_SINGLE INTERFACE $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/single-include/>
+                           $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
+endif()

src/CMakeLists.txt

@@ -1,37 +1,3 @@
-set(CLI11_headerLoc "${PROJECT_SOURCE_DIR}/include/CLI")
-
-set(CLI11_headers
-    ${CLI11_headerLoc}/App.hpp
-    ${CLI11_headerLoc}/Config.hpp
-    ${CLI11_headerLoc}/ConfigFwd.hpp
-    ${CLI11_headerLoc}/Error.hpp
-    ${CLI11_headerLoc}/Formatter.hpp
-    ${CLI11_headerLoc}/FormatterFwd.hpp
-    ${CLI11_headerLoc}/Macros.hpp
-    ${CLI11_headerLoc}/Option.hpp
-    ${CLI11_headerLoc}/Split.hpp
-    ${CLI11_headerLoc}/StringTools.hpp
-    ${CLI11_headerLoc}/TypeTools.hpp
-    ${CLI11_headerLoc}/Validators.hpp
-    ${CLI11_headerLoc}/Version.hpp
-    ${CLI11_headerLoc}/Encoding.hpp
-    ${CLI11_headerLoc}/Argv.hpp)
-
-set(CLI11_implLoc "${PROJECT_SOURCE_DIR}/include/CLI/impl")
-
-set(CLI11_impl_headers
-    ${CLI11_implLoc}/App_inl.hpp
-    ${CLI11_implLoc}/Config_inl.hpp
-    ${CLI11_implLoc}/Formatter_inl.hpp
-    ${CLI11_implLoc}/Option_inl.hpp
-    ${CLI11_implLoc}/Split_inl.hpp
-    ${CLI11_implLoc}/StringTools_inl.hpp
-    ${CLI11_implLoc}/Validators_inl.hpp
-    ${CLI11_implLoc}/Encoding_inl.hpp
-    ${CLI11_implLoc}/Argv_inl.hpp)
-
-set(CLI11_library_headers ${CLI11_headerLoc}/CLI.hpp ${CLI11_headerLoc}/Timer.hpp)
-
 if(CLI11_PRECOMPILED)
   # Create static lib
   file(GLOB CLI11_precompile_sources "${PROJECT_SOURCE_DIR}/src/*.cpp")
@@ -84,48 +50,6 @@ if(CMAKE_CXX_STANDARD LESS 14)
   endif()
 endif()
 
-if(CLI11_SINGLE_FILE)
-  # Single file test
-  if(CMAKE_VERSION VERSION_LESS 3.12)
-    find_package(PythonInterp REQUIRED)
-    add_executable(Python::Interpreter IMPORTED)
-    set_target_properties(Python::Interpreter PROPERTIES IMPORTED_LOCATION "${PYTHON_EXECUTABLE}"
-                                                         VERSION "${PYTHON_VERSION_STRING}")
-  else()
-    find_package(
-      Python
-      COMPONENTS Interpreter
-      REQUIRED)
-  endif()
-
-  file(MAKE_DIRECTORY "${PROJECT_BINARY_DIR}/include")
-  add_custom_command(
-    OUTPUT "${PROJECT_BINARY_DIR}/include/CLI11.hpp"
-    COMMAND
-      Python::Interpreter "${PROJECT_SOURCE_DIR}/scripts/MakeSingleHeader.py" ${CLI11_headers}
-      ${CLI11_impl_headers} --main "${PROJECT_SOURCE_DIR}/CLI11.hpp.in" --output
-      "${PROJECT_BINARY_DIR}/include/CLI11.hpp" --version "${CLI11_VERSION}"
-    DEPENDS "${PROJECT_SOURCE_DIR}/include/CLI/CLI.hpp" ${CLI11_headers} ${CLI11_impl_headers})
-  add_custom_target(CLI11-generate-single-file ALL
-                    DEPENDS "${PROJECT_BINARY_DIR}/include/CLI11.hpp")
-  set_property(TARGET CLI11-generate-single-file PROPERTY FOLDER "Scripts")
-  if(CLI11_INSTALL)
-    install(FILES "${PROJECT_BINARY_DIR}/include/CLI11.hpp"
-            DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
-    configure_file("${CLI11_SOURCE_DIR}/cmake/CLIsingle.hpp.in"
-                   "${PROJECT_BINARY_DIR}/include/CLI/CLI.hpp" @ONLY)
-    install(FILES "${PROJECT_BINARY_DIR}/include/CLI/CLI.hpp"
-            DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/CLI)
-  endif()
-  add_library(CLI11_SINGLE INTERFACE)
-  target_link_libraries(CLI11_SINGLE INTERFACE CLI11)
-  add_dependencies(CLI11_SINGLE CLI11-generate-single-file)
-  target_compile_definitions(CLI11_SINGLE INTERFACE -DCLI11_SINGLE_FILE)
-  target_include_directories(
-    CLI11_SINGLE INTERFACE $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include/>
-                           $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
-endif()
-
 if(CLI11_INSTALL)
 
   # Make an export target

tests/CMakeLists.txt

@@ -118,6 +118,12 @@ foreach(DATA_FILE IN LISTS DATA_FILES)
 endforeach()
 add_custom_target(cli11_test_data DEPENDS ${DATA_FILES})
 
+# Make a shim if we are building single file tests
+if(CLI11_SINGLE_FILE AND CLI11_INSTALL_PACKAGE_TESTS)
+  file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/test_single/CLI/CLI.hpp" "#include <CLI11.hpp>")
+  install(FILES "${CMAKE_CURRENT_BINARY_DIR}/test_single/CLI/CLI.hpp" DESTINATION include/CLI)
+endif()
+
 # Build dependent applications which are launched from test code
 set(CLI11_DEPENDENT_APPLICATIONS ensure_utf8 ensure_utf8_twice)