At 03:47 AM 7/15/2006, Christian Lang wrote:
>Hello,
>>>>>when executing a Makefile generated by cmake, one of the first actions
>>>>>it does is to check the cmake build system (target
>>>>>cmake_check_build_system). For some reason we want to avoid this. Is
>>>>>this possible without changing the Makefile manually?
>>>>>
>>>>>
>>>>The makefiles will not work correctly without that step.
>>>>Generated header files will not work, dependencies will not stay
>>>>up-to-date, and several other things.
>>>>
>>>>
>>>Yes, I know that it is an important step in general. In our case, nothing
>>>will change as long as the generated Makefile exists. However, it is not
>>>called "Makefile", but "CMakefile". We start the build-process by "make -f
>>>CMakefile", but because of cmake_check_build_system cmake builds a new
>>>"Makefile", overwriting the existing handwritten one - and this is what we
>>>want to avoid.
>>>
>>
>>Why not use a forced out of source build?
>>
>
>We want to use CMake as an alternative possibility to build our software in
>addition to our current build system, where we decided to use in-source builds
>- so we simply do not want an out of source build. We want an in-source build
>with a generated Makefile called "CMakefile". If CMake does not allow this, we
>have to find another way. But if it does, we would like to know how.
You could do this:
Force an out of source build and write a CMakefile into the source tree with
configure file that has one rule in it:
all:
cd binaray_tree; make
You could use CONFIGURE_FILE to create the CMakefile in your source tree.
-Bill
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