Tyler Roscoe wrote:
On Wed, Jun 24, 2009 at 03:30:33PM -0700, Hai Nguyen wrote:
add_library( libB ... )
add_executable( ExecB ... )
target_link_libraries( ExecB libB )
but the build order now is: ExecB, libB
I'm getting link errors because libB doesn't exist yet. If I comment out the
ExecB stuff, it builds libB.
Can someone give me a clue on what criteria CMake is using to determine what
builds first?
I think the order is undefined unless there are dependencies to resolve.
I'm a litle surprised that your B example doesn't work, since I thought
CMake was smart enough to notice that execB needs libB and would thus
build libB first.
Anyway, the way to get the correct build order is by using
add_dependencies(). If you do add_dependencies(execB libB) then
everything should work as expected.
I don't think your example is complete. That should work fine, and you
do not need add_dependencies ever for library to executable stuff.
-Bill
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