[cfe-dev] sw_vers on Linux

[Bob Wilson]

On Jan 25, 2013, at 8:19 AM, Eric Christopher <echristo at gmail.com> wrote:

> FWIW I see this too, pretty sure it was either Bob or Daniel?
> 
> -eric

There's a use of it in compiler_rt's make/platform/clang_darwin.mk that Daniel added in svn 166114. It looks like that makefile fragment gets included on all platforms, so we should insert a check before trying to run sw_vers.  Daniel, can you take care of that?

> 
> 
> On Fri, Jan 25, 2013 at 7:34 AM, John Smith <lbalbalba at gmail.com> wrote:
> Hi,
> 
> 
> I have no idea who to report this to, but ... somewhere in the
> configure build process of latest svn on Linux, there is a call to
> 'sw_vers'. Some googling leads me to believe that this is a command
> that only exists on Apple, so should not be called on Linux. Just my
> 2$. here's the relevant output :
> 
> 
> make[5]: Entering directory
> `/usr/local/src/llvm/build/tools/clang/tools/extra/cpp11-migrate'
> make[5]: Leaving directory
> `/usr/local/src/llvm/build/tools/clang/tools/extra/cpp11-migrate'
> make[5]: Entering directory
> `/usr/local/src/llvm/build/tools/clang/tools/extra/test'
> make[5]: Leaving directory
> `/usr/local/src/llvm/build/tools/clang/tools/extra/test'
> make[4]: Leaving directory `/usr/local/src/llvm/build/tools/clang/tools/extra'
> make[3]: Leaving directory `/usr/local/src/llvm/build/tools/clang/tools'
> make[3]: Entering directory `/usr/local/src/llvm/build/tools/clang/runtime'
> make[4]: Entering directory
> `/usr/local/src/llvm/build/tools/clang/runtime/compiler-rt'
> /bin/sh: sw_vers: command not found
> make[5]: Entering directory `/usr/local/src/llvm/llvm/projects/compiler-rt'
> make[5]: Leaving directory `/usr/local/src/llvm/llvm/projects/compiler-rt'
> make[4]: Leaving directory
> `/usr/local/src/llvm/build/tools/clang/runtime/compiler-rt'
> make[4]: Entering directory
> `/usr/local/src/llvm/build/tools/clang/runtime/libcxx'
> make[4]: Leaving directory
> `/usr/local/src/llvm/build/tools/clang/runtime/libcxx'
> make[3]: Leaving directory `/usr/local/src/llvm/build/tools/clang/runtime'
> make[3]: Entering directory `/usr/local/src/llvm/build/tools/clang/docs'
> make[4]: Entering directory `/usr/local/src/llvm/build/tools/clang/docs/tools'
> 
> 
> 
> Regards,
> 
> John Smith
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