Hi John,
Great to hear!
> I've been working with David Fang to get the clang34/llvm34 compiler
> suite to build under Yosemite Public Beta. Thanks to a recent patch by
> Jack Howarth (languages/llvm34-openmp-cmake.patch; 2014-08-15) these
> large packages now build, once a couple of workarounds are put in place:
>
> 1) change line 131 of llvm34.info from
>
> if test "$darwin_vers" -ge 11
>
> to
>
> if test "$darwin_vers" -ge 11 -a "$darwin_vers" -lt 14
Does that mean that the libc++ headers are once again in /usr/include?
Or did you sudo add a symlink to make it work?
Is there any harm in keeping that section on darwin14/Xcode-future?
It is intended to work robustly for future Xcodes.
David
> 2) and similar to the problem that gcc48/49 had (understanding how to parse
> OS-X version "10.10.x") there is a problem in
> cmake-3.0/Modules/Platform/Darwin.cmake;
> for the moment I hardwired a fix so the build would succeed - change lines
> 204-216 to:
>
> # Make sure the combination of SDK and Deployment Target are allowed
> if(CMAKE_OSX_DEPLOYMENT_TARGET)
> if("${_CMAKE_OSX_SYSROOT_PATH}" MATCHES
> "^.*/MacOSX([0-9]+\\.[0-9]+)[^/]*\\.sdk")
> set(_sdk_ver "${CMAKE_MATCH_1}")
> elseif("${_CMAKE_OSX_SYSROOT_ORIG}" MATCHES "^macosx([0-9]+\\.[0-9]+)$")
> set(_sdk_ver "${CMAKE_MATCH_1}")
> else()
> set(CMAKE_OSX_SYSROOT "/")
> set(_sdk_ver "10.10")
> # message(FATAL_ERROR
> # "CMAKE_OSX_DEPLOYMENT_TARGET is '${CMAKE_OSX_DEPLOYMENT_TARGET}' "
> # "but CMAKE_OSX_SYSROOT:\n \"${_CMAKE_OSX_SYSROOT_ORIG}\"\n"
> # "is not set to a MacOSX SDK with a recognized version. "
> # "Either set CMAKE_OSX_SYSROOT to a valid SDK or set "
> # "CMAKE_OSX_DEPLOYMENT_TARGET to empty.")
>
> With Jack/David's patch and these two tweaks clang34 and llvm34 built
> (after a long multi-stage compilation). The change to llvm34.info is
> backwards compatible with Mavericks and earlier; clearly the cmake-3.0
> package needs to be updated to parse 10.10 properly vs. the hardwired
> hack I applied...
>
> Cheers,
> John
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--
David Fang
http://www.csl.cornell.edu/~fang/
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