Francois Bissey wrote:
> 
>> On 22/07/2016, at 09:19, Travis Scrimshaw <tsc...@ucdavis.edu> wrote:
>>
>> Also we have
>>
>> $ as -v
>> Apple Inc version cctools-870, GNU assembler version 1.38
>>
> 
> OK that’s definitely an older version of the Xcode toolchain.
> Here I have
> Mirage:~ fbissey$ as --version
> Apple LLVM version 7.3.0 (clang-703.0.29)
> Target: x86_64-apple-darwin15.6.0
> Thread model: posix
> InstalledDir: 
> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

Unfortunately nobody seems to be reading the output of Sage's
'configure' (nor its README.txt?); there (in 'configure.ac' that is) we
have:

    if [ $DARWIN_VERSION -gt 10 ]; then
        echo "You are using OS X Lion (or later)."
        echo "You are strongly advised to install Apple's latest Xcode"
        echo "unless you already have it. You can install this using"
        echo "the App Store. Also, make sure you install Xcode's"
        echo "Command Line Tools -- see Sage's README.txt."

Perhaps we should add an explicit check of the assembler there...

(In addition, the GCC spkg should IMHO check it, not just on Darwin.)


Just saying,

-leif


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