Andreas Pakulat wrote:
On 26.09.07 15:13:38, Dizzy wrote:
On Wednesday 26 September 2007 14:55:52 Joachim Ziegler wrote:
Hello,
I have two targets that have nearly the same sources:
ADD_EXECUTABLE(startCompletionServer StartCompletionServer.cpp
${BASEFILES}) ADD_EXECUTABLE(test-adler32 test-adler32.cpp ${BASEFILES})
I wonder why every object file belonging to the BASEFILES is built
twice, once for the first target, once again for the second. This
doubles my compile time!?
You will notice that cmake is building files inside a build directory
different for each target. So it is ment to be that way (normally you may
have different compile flags for different targets so you want that). If you
do not want that then just put your BASEFILES in a "convenience library" and
reuse it from both targets such as:
Note that this creates a static convenience library which is not
portable to some architectures without extra compiler flags (need -fPIC
on amd64 and maybe other 64bit architectures).
Another way is to create a shared lib (and also install that one), but
don't provide headers for the library and don't give it a SOVERSION so
people won't link against it.
For the example given this is very portable. He is building two
executables and not two shared libraries.
-Bill
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