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Re: [Discuss-gnuradio] Build fail using clang on OSX 10.8 and fix


From: Tom Rondeau
Subject: Re: [Discuss-gnuradio] Build fail using clang on OSX 10.8 and fix
Date: Mon, 5 Nov 2012 17:21:21 -0500

On Mon, Nov 5, 2012 at 3:05 PM, Michael Dickens <address@hidden> wrote:
> Running Mac OS X 10.8.2, XCode 4.5.1, Apple clang 4.1.  On both the current 
> master and next, I get the same error when building.  Compiling both the 
> master and next works fine using gcc (both apple gcc 4.2, and apple llvm gcc 
> 4.2).
>
> {{{
> [  5%] Building C object 
> gnuradio-core/src/lib/CMakeFiles/gnuradio-core.dir/filter/float_dotprod_sse64.S.o
> cd /opt/GNURadio/source/builds/next_clang/gnuradio-core/src/lib && 
> /usr/bin/clang  -Dgnuradio_core_EXPORTS -DHAVE_NETDB_H -DHAVE_SYS_TIME_H 
> -DHAVE_SYS_TYPES_H -DHAVE_SYS_SELECT_H -DHAVE_SYS_SOCKET_H -DHAVE_SYS_MMAN_H 
> -DHAVE_SYS_IPC_H -DHAVE_SYS_SHM_H -DHAVE_SIGNAL_H -DHAVE_NETINET_IN_H 
> -DHAVE_ARPA_INET_H -DHAVE_UNISTD_H -DHAVE_SNPRINTF -DHAVE_SIGACTION 
> -DHAVE_SELECT -DHAVE_SYSCONF -DHAVE_GETPAGESIZE -DHAVE_NANOSLEEP 
> -DHAVE_GETTIMEOFDAY -DHAVE_POSIX_MEMALIGN -DALIGNED_MALLOC=0 
> -DHAVE_PTHREAD_SIGMASK -DHAVE_SINF -DHAVE_COSF -DHAVE_MMAP 
> -DTRY_SHM_VMCIRCBUF -DFFTW3F_THREADS -O3 -DNDEBUG -fPIC 
> -I/opt/GNURadio/source/git/gnuradio-core/src/lib/hier 
> -I/opt/GNURadio/source/git/gruel/src/include 
> -I/opt/GNURadio/source/builds/next_clang/gruel/src/include 
> -I/opt/local/include -I/opt/GNURadio/source/git/gnuradio-core/src/lib/runtime 
> -I/opt/GNURadio/source/builds/next_clang/gnuradio-core/src/lib/general 
> -I/opt/GNURadio/source/git/gnuradio-core/src/lib/general 
> -I/opt/GNURadio/source/builds/next_clang/gnuradio-core/src/lib/gengen 
> -I/opt/GNURadio/source/git/gnuradio-core/src/lib/gengen 
> -I/opt/GNURadio/source/builds/next_clang/gnuradio-core/src/lib/filter 
> -I/opt/GNURadio/source/git/gnuradio-core/src/lib/filter 
> -I/opt/GNURadio/source/git/gnuradio-core/src/lib/missing 
> -I/opt/GNURadio/source/git/gnuradio-core/src/lib/reed-solomon 
> -I/opt/GNURadio/source/git/gnuradio-core/src/lib/viterbi 
> -I/opt/GNURadio/source/git/gnuradio-core/src/lib/io 
> -I/opt/GNURadio/source/builds/next_clang/gnuradio-core/src/lib/swig 
> -I/opt/GNURadio/source/git/gnuradio-core/src/lib/swig 
> -I/opt/GNURadio/source/git/volk/include 
> -I/opt/GNURadio/source/builds/next_clang/volk/include    -o 
> CMakeFiles/gnuradio-core.dir/filter/float_dotprod_sse64.S.o   -c 
> /opt/GNURadio/source/git/gnuradio-core/src/lib/filter/float_dotprod_sse64.S
> /opt/GNURadio/source/git/gnuradio-core/src/lib/filter/float_dotprod_sse64.S:57:2:
>  error: unknown directive
>  .version "01.01"
>  ^
> }}}
>
> The actual assembly directive that is causing this issue is:
>
>         .version        "01.01"
>
> which if I comment it out of all of the necessary files then clang seems to 
> work.  Do we really require this specific directive in those assembly files? 
> - MLD

Hey Michael,

I just tested that on my Linux machine and nothing seems to suffer for
it. I doubt that we require it. I've just posted this branch on my
github repo "git://github.com/trondeau/gnuradio.git" called
asm_for_clang.

This shouldn't be an issue with the next branch, though, since we've
removed that filter code as it's all replaced by gr-filter.

Tom



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