John Ellson wrote:
Brad King wrote:
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.
Not sure that I'm following the converstation properly here, but
can any of this be used to provide access to a set of .o for use as a
"convenience library" ?
No, these variables are used to specify rules for the generators to put
in the build files.
-Brad
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