On May 19, 2012, at 05:37, [email protected] wrote:
> Revision: 93299
> https://trac.macports.org/changeset/93299
> Author: [email protected]
> Date: 2012-05-19 03:37:11 -0700 (Sat, 19 May 2012)
> Log Message:
> -----------
> Bump to revision .74. Add gcc47, clang and macports-clang as possible
> compilers.
> Also removes all manual dylib generation since this is done by Atlas now.
>
> Modified Paths:
> --------------
> trunk/dports/math/atlas/Portfile
> -PortSystem 1.0
> -PortGroup muniversal 1.0
> +PortSystem 1.0
> +PortGroup muniversal 1.0
>
> -categories math
> -license BSD
> -name atlas
> -version 3.9.47
> +categories math
> +license BSD
> +name atlas
> +version 3.9.74
Making whitespace changes along with functional changes makes it really hard to
spot the functional changes. Please make whitespace-only changes in a separate
commit in the future.
> +variant mpclang conflicts gcc45 gcc46 gcc47 clang\
> + description {build using MPclang and
> gfortran} {
> +
> + depends_build-append port:clang
> +}
The clang port is replaced by the clang-2.9 port, since December already; you
may not declare a dependency on a port that has been replaced. Instead, offer a
clang2.9 and/or clang3.0 variant. The first final version of clang 3.1 was
scheduled to be released May 14, so you might offer a clang3.1 variant too.
> +# Select proper gcc version (or clang)
> +
> +if {${os.major} < 11} {
> +
> + # On SL or earlier, clang did not exist
> + if {[variant_isset clang] || [variant_isset dragonegg46]} {
> +
> + return -code error "Use of Clang is disabled on this version of
> MacOS."
> + }
That's not true; Snow Leopard's Xcode 3 includes a version of clang. Granted
it's an old version and you may not want to use it:
$ /usr/bin/clang -v
Apple clang version 1.7 (tags/Apple/clang-77) (based on LLVM 2.9svn)
Target: x86_64-apple-darwin10
Thread model: posix
But note that Xcode 4.0 thru 4.2 are available to paid members of Apple's
developer program on Snow Leopard, and that these of course have much newer
versions of clang. So your determination of whether to allow the use of Xcode's
clang should be based on ${xcodeversion}, not ${os.major}.
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