Alternatives for outdated assembler (AS)?

[Chris Jones]

On 09/04/15 21:24, Jeffrey Walton wrote:
> I'm trying to compile Crypto++ on OSX *with* ASM enabled. By default,
> Crpyto++ disabled ASM because of Apple's outdated assembler. The
> problem occurs with both Command Line Tools and Xcode (a sample of the
> errors is shown below).
>
> I installed the Binutils package, but it does not come with an updated
> assembler.
>
> What are the options for using an updated assembler on OS X?

*which* OS X version though ? Big difference between 10.6 and 10.10 ...

>
> Thanks in advance.
>
> **********
>
> $ export CXX=/Applications/Xcode.app/Contents/Developer//Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++
> $ export AS=/Applications/Xcode.app/Contents/Developer//Toolchains/XcodeDefault.xctoolchain/usr/bin/as
> $ cd cryptopp
> $ make static
> /Applications/Xcode.app/Contents/Developer//Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++
> -DNDEBUG -g3 -Os -fPIC -stdlib=libc++ -Wall -Wno-tautological-compare
> -Wno-unused-value -Wno-unused-variable -Wno-unused-parameter
> -Wno-unused-function -pipe -c gcm.cpp
> gcm.cpp:337:9: warning: unknown pragma ignored [-Wunknown-pragmas]
> #pragma warning(disable: 4731)  // frame pointer register 'ebp' modifie...
>          ^
> gcm.cpp:746:3: error: invalid instruction mnemonic 'prefix'
>                  ASL(1)
>                  ^
> ./cpu.h:224:17: note: expanded from macro 'ASL'
>          #define ASL(x) GNU_ASL(x)
>                         ^
> ./cpu.h:218:26: note: expanded from macro 'GNU_ASL'
>          #define GNU_ASL(x) "\n" #x ":"
>                                  ^
> <scratch space>:29:2: note: expanded from here
> "1"
>   ^
> <inline asm>:2:1467: note: instantiated into assembly here
>    ...rcx, 16;sub rdx, 1;jnz 1b;movdqa [rsi], xmm0;.att_syntax prefix;
>                                                                ^~~~~~~
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