CompileFeatures: Makes tests work with meta-feature only

2 files changed, 45 insertions, 30 deletions

diff --git a/Tests/CMakeCommands/target_compile_features/CMakeLists.txt b/Tests/CMakeCommands/target_compile_features/CMakeLists.txt
index 555a08f..5096a58 100644
--- a/Tests/CMakeCommands/target_compile_features/CMakeLists.txt
+++ b/Tests/CMakeCommands/target_compile_features/CMakeLists.txt
@@ -1,45 +1,65 @@
 cmake_minimum_required(VERSION 3.0)
+cmake_policy(SET CMP0057 NEW)
 project(target_compile_features)
 
-if (NOT CMAKE_CXX_COMPILE_FEATURES AND NOT CMAKE_C_COMPILE_FEATURES)
-  file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/test_dummy.cpp"
-    "int main(int,char**) { return 0; }\n"
-  )
-  add_executable(target_compile_features "${CMAKE_CURRENT_BINARY_DIR}/test_dummy.cpp")
-  return()
-endif()
-
 set(CMAKE_VERBOSE_MAKEFILE ON)
 
-if (CMAKE_C_COMPILE_FEATURES)
-  add_executable(target_compile_features main.c)
-  target_compile_features(target_compile_features
+if (c_restrict IN_LIST CMAKE_C_COMPILE_FEATURES)
+  add_executable(c_target_compile_features_specific main.c)
+  target_compile_features(c_target_compile_features_specific
     PRIVATE c_restrict
   )
 
-  add_library(lib_restrict lib_restrict.c)
-  target_compile_features(lib_restrict
+  add_library(c_lib_restrict_specific lib_restrict.c)
+  target_compile_features(c_lib_restrict_specific
     PUBLIC c_restrict
   )
 
-  add_executable(restrict_user restrict_user.c)
-  target_link_libraries(restrict_user lib_restrict)
+  add_executable(c_restrict_user_specific restrict_user.c)
+  target_link_libraries(c_restrict_user_specific c_lib_restrict_specific)
 endif()
 
-if (CMAKE_CXX_COMPILE_FEATURES AND ";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";cxx_auto_type;")
-  if (CMAKE_C_COMPILE_FEATURES)
-    set(target_suffix _cxx)
-  endif()
-  add_executable(target_compile_features${target_suffix} main.cpp)
-  target_compile_features(target_compile_features${target_suffix}
+if (c_std_99 IN_LIST CMAKE_C_COMPILE_FEATURES)
+  add_executable(c_target_compile_features_meta main.c)
+  target_compile_features(c_target_compile_features_meta
+    PRIVATE c_std_99
+  )
+
+  add_library(c_lib_restrict_meta lib_restrict.c)
+  target_compile_features(c_lib_restrict_meta
+    PUBLIC c_std_99
+  )
+
+  add_executable(c_restrict_user_meta restrict_user.c)
+  target_link_libraries(c_restrict_user_meta c_lib_restrict_meta)
+endif()
+
+if (cxx_auto_type IN_LIST CMAKE_CXX_COMPILE_FEATURES)
+  add_executable(cxx_target_compile_features_specific main.cpp)
+  target_compile_features(cxx_target_compile_features_specific
     PRIVATE cxx_auto_type
   )
 
-  add_library(lib_auto_type lib_auto_type.cpp)
-  target_compile_features(lib_auto_type
+  add_library(cxx_lib_auto_type_specific lib_auto_type.cpp)
+  target_compile_features(cxx_lib_auto_type_specific
     PUBLIC cxx_auto_type
   )
 
-  add_executable(lib_user lib_user.cpp)
-  target_link_libraries(lib_user lib_auto_type)
+  add_executable(cxx_lib_user_specific lib_user.cpp)
+  target_link_libraries(cxx_lib_user_specific cxx_lib_auto_type_specific)
+endif()
+
+if (cxx_std_11 IN_LIST CMAKE_CXX_COMPILE_FEATURES)
+  add_executable(cxx_target_compile_features_meta main.cpp)
+  target_compile_features(cxx_target_compile_features_meta
+    PRIVATE cxx_std_11
+  )
+
+  add_library(cxx_lib_auto_type_meta lib_auto_type.cpp)
+  target_compile_features(cxx_lib_auto_type_meta
+    PUBLIC cxx_std_11
+  )
+
+  add_executable(cxx_lib_user_meta lib_user.cpp)
+  target_link_libraries(cxx_lib_user_meta cxx_lib_auto_type_meta)
 endif()
diff --git a/Tests/CMakeCommands/target_compile_features/dummy.cpp b/Tests/CMakeCommands/target_compile_features/dummy.cpp
deleted file mode 100644
index e9ad257..0000000
--- a/Tests/CMakeCommands/target_compile_features/dummy.cpp
+++ /dev/null
@@ -1,5 +0,0 @@
-
-int main(int, char**)
-{
-  return 0;
-}