Re: [Boost-build] using gcc version on MAC OS

Subject: Re: [Boost-build] using gcc version on MAC OS
From: Ryan Gonzalez (rymg19_at_[hidden])
Date: 2014-06-25 18:52:58

See this:

http://boost.2283326.n4.nabble.com/Default-toolset-in-user-config-jam-td4653631.html

On Wed, Jun 25, 2014 at 4:39 PM, Robert Ramey <ramey_at_[hidden]> wrote:

> I use Mac OS, Clang, and Xcode - so far so good.
>
> Now I want to build and test a library with GCC version 4.7.2 which I have
> installed at location /usr/gcc-4.7.2/bin/g++-4.7 and I can invoke it from
> the command line with
>
> $/usr/gcc-4.7.2/bin/g++-4.7 -v
> Using built-in specs.
> COLLECT_GCC=/usr/gcc-4.7.2/bin/g++-4.7
>
> COLLECT_LTO_WRAPPER=/usr/gcc-4.7.2/libexec/gcc/x86_64-apple-darwin12.2.0/4.7.2/lto-wrapper
> Target: x86_64-apple-darwin12.2.0
> Configured with: ../configure -q --prefix=/usr/gcc-4.7.2 --enable-lto
> --enable-checking=release --with-libelf=/usr/gcc-4.7.2
> --with-gmp=/usr/gcc-4.7.2 --with-mpfr=/usr/gcc-4.7.2
> --with-mpc=/usr/gcc-4.7.2 --with-ppl=/usr/gcc-4.7.2
> --with-cloog=/usr/gcc-4.7.2 --program-suffix=-4.7 --silent
> Thread model: posix
> gcc version 4.7.2 (GCC)
>
> I've altered my user-config.jam so that it contains:
>
> using darwin : 4.7
>    : /usr/gcc-4.7.2/bin/g++-4.7
> ;
>
> Since things don't seem to be working I do some testing with:
>
> $b2 --dump-tests -d2 -a toolset=darwin-4.7 cxxflags=-std=c++03 config_info
> >b2.log &
> which produces an output file:
>
> $cat
>
> ../../../bin.v2/libs/config/test/config_info.test/darwin-4.7/debug/config_info.output
> Clang version 5.1 (clang-503.0.40)
>     __cplusplus                             =199711L
>     __STDC__                                =1
>     __GNUC__                                =4
>     __GNUC_MINOR__                          =2
>     __GNUC_PATCHLEVEL__                     =1
>     __GNUG__                                =4
>     __STRICT_ANSI__                         =1
>     __VERSION__                             ="4.2.1 Compatible Apple LLVM
> 5.1 (clang-503.0.40)"
>     __REGISTER_PREFIX__                      [no value]
>     __USER_LABEL_PREFIX__                   =_
>     __EXCEPTIONS                            =1
>     __LP64__                                =1
>     __MACH__                                =1
>     __APPLE__                               =1
>     __APPLE_CC__                            =6000
>     __STDC_HOSTED__                         =1
>
>
> *********************************************************************
>
> libc++ version 1101
>     _LIBCPP_VERSION                         =1101
>
>
> ...
>
> This suggests that my user-config and/or PATH and/or ??? needs to be
> tweaked
> in
> order to get this to work.
>
> Any suggestions appreciated.
>
> Robert Ramey
>
>
>
>
>
>
> --
> View this message in context:
> http://boost.2283326.n4.nabble.com/using-gcc-version-on-MAC-OS-tp4664440.html
> Sent from the Boost - Build mailing list archive at Nabble.com.
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-- 
Ryan
If anybody ever asks me why I prefer C++ to C, my answer will be simple:
"It's becauseslejfp23(@#Q*(E*EIdc-SEGFAULT. Wait, I don't think that was
nul-terminated."