Do not build boost.hana example with "old" gcc versions

Manu343726 · Aug 27, 2018 · 6248846 · 6248846
1 parent e0b0b04
commit 6248846
Showing 1 changed file with 9 additions and 4 deletions.
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
@@ -8,14 +8,19 @@ add_tinyrefl_example(tinyrefl-example api.cpp)
 target_link_libraries(tinyrefl-example PRIVATE tinyrefl-example-lib)
 
 if(Boost_FOUND)
-    add_tinyrefl_example(tinyrefl-boost-hana-example boost_hana.cpp)
+    if((CMAKE_CXX_COMPILER_ID STREQUAL GNU) AND (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.0.0))
+        message(WARNING "Versions of GCC prior to 6.0.0 are not supported by Boost.Hana. The example will not be built")
+    else()
+        add_tinyrefl_example(tinyrefl-boost-hana-example boost_hana.cpp)
+        target_link_libraries(tinyrefl-boost-hana-example PRIVATE tinyrefl-example-lib)
+        target_include_directories(tinyrefl-boost-hana-example PRIVATE ${Boost_INCLUDE_DIRS})
+    endif()
+
     add_tinyrefl_example(tinyrefl-boost-fusion-example boost_fusion.cpp)
-    target_link_libraries(tinyrefl-boost-hana-example PRIVATE tinyrefl-example-lib)
     target_link_libraries(tinyrefl-boost-fusion-example PRIVATE tinyrefl-example-lib)
-    target_include_directories(tinyrefl-boost-hana-example PRIVATE ${Boost_INCLUDE_DIRS})
     target_include_directories(tinyrefl-boost-fusion-example PRIVATE ${Boost_INCLUDE_DIRS})
 else()
-    message(WARNING "Boost not found, boost example will not be build")
+    message(WARNING "Boost not found, boost example will not be built")
 endif()
 
 add_tinyrefl_example(tinyrefl-rttr-example rttr.cpp)