Alexander Neundorf wrote:
Hi,
it would be nice if it would be possible to have for each object file also a
target which only preprocesses the file and one which preprocesses and
compiles, but not assembles the file (so that you get the assembler code).
Is there a way to do this with macros ?
I almost think this would have to be done in cmake itself. Probably somewhere where the object rules are created additionally for each object the same rule but with "-E" instead of "-c" would have to be created. It wouldn't be required to be executed on all, just on direct invocation:
make foo.o/pre
make foo.o/as
What do you think about this ?
Would you accept a patch ?
Look in Modules/CMakeCInformation.cmake for the variable
CMAKE_C_COMPILE_OBJECT. Other modules in the Platform directory set it
also. Just duplicate the variable with one called
CMAKE_C_PREPROCESS_OBJECT and then setup
cmLocalUnixMakefileGenerator3.cxx to create rules with ".E" extensions
instead of ".o". You should be able to locate places that lookup
*_COMPILE_OBJECT vars. See Modules/CMakeCXXInformation.cmake for the
C++ version.
-Brad
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