Re: Xenomai compile problems

Hi Robert,

On Fri, Dec 7, 2012 at 8:37 AM,  <[email protected]> wrote:
> It looks like I have done something wrong with posting here. That was my
> post:
> Hi,
> I'm building Orocos RTT (from git) with Xenomai under ubuntu. I have
> experienced some troubles:
> 1. After running ccmake, pressing c, changing OROCOS_TARGET to xenomai,
> configure again, I'm getting following error:
> No OROCOS_TARGET environment variable detected. Using: xenomai
> [...]
> CMake Error at config/check_depend.cmake:264 (message):
>     No suitable OROCOS_TARGET selected.  Use one of
>     'lxrt,xenomai,gnulinux,macosx,win32'
>   Call Stack (most recent call first):
>     CMakeLists.txt:146 (INCLUDE)
>
> OROCOS_TARGET=xenomai ccmake .. is producing the same error, but after
> setting XENOMAI_ROOT_DIR environment variable, everything is almost fine.
>
> 2. Almost, becouse ccmake finds xenomai_posix_include_dir in /usr/include
> instead of /usr/xenomai/include, and the xenomai_posix_library is not found.
>
> 3. Why searching for paths in FindXenomai.cmake using find_path or
> find_library instead of using xeno-config like it is done in
> FindXenomaiPosix.cmake?
>
> 4. Fix for deprecated function (I suppose it is not changed due older xenomai
> versions compatibility, but I think it is good time, to change it now):
> diff --git a/config/FindXenomaiPosix.cmake b/config/FindXenomaiPosix.cmake
> index 1b6e49b..edb7256 100644
> --- a/config/FindXenomaiPosix.cmake
> +++ b/config/FindXenomaiPosix.cmake
> @@ -43,8 +43,8 @@ endif()
>   if( XENOMAI_POSIX_LIBRARY AND XENOMAI_POSIX_INCLUDE_DIR AND NOT
> XENOMAI_XENO_CONFIG )
>     message(SEND_ERROR "Your Xenomai installation is broken: I can not
> determine Xenomai POSIX cflags/ldflags without xeno-config.")
>   else()
> -  execute_process(COMMAND ${XENOMAI_XENO_CONFIG} --posix-ldflags
> OUTPUT_VARIABLE XENOMAI_POSIX_LDFLAGS OUTPUT_STRIP_TRAILING_WHITESPACE)
> -  execute_process(COMMAND ${XENOMAI_XENO_CONFIG} --posix-cflags
> OUTPUT_VARIABLE XENOMAI_POSIX_CFLAGS OUTPUT_STRIP_TRAILING_WHITESPACE)
> +  execute_process(COMMAND ${XENOMAI_XENO_CONFIG} --skin=posix --ldflags
> OUTPUT_VARIABLE XENOMAI_POSIX_LDFLAGS OUTPUT_STRIP_TRAILING_WHITESPACE)
> +  execute_process(COMMAND ${XENOMAI_XENO_CONFIG} --skin=posix --cflags
> OUTPUT_VARIABLE XENOMAI_POSIX_CFLAGS OUTPUT_STRIP_TRAILING_WHITESPACE)
>   endif()
>
>   # Set the include dir variables and the libraries and let libfind_process do
> the rest.

Thanks for the feedback. I'll put your issues in bugzilla, and they'll
be picked up soon enough. We're only testing xenomai against the
Debian packages of Xenomai in the buildfarm, that's probably why we
didn't see/fix these yet.

Peter
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