Flash Builder was complaining about missing sources for popup-1.12.swc when I tried to open standard framework LayoutBase class so I looked at what's inside this small utility library and that class is indeed there with many others from the Flex framework. Has it been mistakenly compiled with the wrong framework linkage option?
the build is now fixed on the trunk:
we externalized the flex4 sdk.
The next release will be fixed.
and in the same time we also :
* dropped the flex3 sdk support
* simplified the build :
** got rid of the CONFIG::Flex3 and CONFIG::Flex4
** got rid of the lib-parent project and the build-parent project