[Bug 1012] New: CMake issues with newer Xenomai custom installs.

http://bugs.orocos.org/show_bug.cgi?id=1012

           Summary: CMake issues with newer Xenomai custom installs.
           Product: Toolchain
           Version: master
          Platform: i386 Compatible
        OS/Version: Xenomai 2.x
            Status: NEW
          Severity: normal
          Priority: P3
         Component: RTT
        AssignedTo: [email protected]
        ReportedBy: [email protected]
                CC: [email protected]
   Estimated Hours: 0.0


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.

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