[cmake-developers] linked-usage-cleanup regressed automoc

[Alexander Neundorf]

On Thursday 14 March 2013, Stephen Kelly wrote:
> Brad King wrote:
> > On 03/14/2013 01:43 PM, Alexander Neundorf wrote:
> >> Would you object a check that if a target has at least one C or Fortran
> >> source file, but no C++ source file, it should skipped for automoc ?
> > 
> > I was thinking about that approach too.  Basically if the target
> > has at least one C++ source or *no sources from any language*
> > then we should honor AUTOMOC.
> 
> That idea has the same problem that it works in current releases:
> 
> diff --git a/Tests/QtAutomoc/CMakeLists.txt
> b/Tests/QtAutomoc/CMakeLists.txt index ebfbb03..1ac6f3b 100644
> --- a/Tests/QtAutomoc/CMakeLists.txt
> +++ b/Tests/QtAutomoc/CMakeLists.txt
> @@ -44,3 +44,7 @@ set_target_properties(empty PROPERTIES AUTOMOC TRUE)
>  target_link_libraries(empty no_link_language)
>  add_library(no_link_language STATIC empty.h)
>  set_target_properties(no_link_language PROPERTIES AUTOMOC TRUE)
> +
> +add_library(empty_c STATIC empty.c)
> +set_target_properties(empty_c PROPERTIES AUTOMOC TRUE)
> +target_link_libraries(empty_c no_link_language)

yes, and I think it's a bug (caused by me).
If I was a cmake user and not a developer, I would file a bug report if I 
would find out that my helloworld.c suddenly links again libstdc++.so

Alex