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

[Stephen Kelly]

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)

Thanks,

Steve.