Re: [Boost-build] Building Boost on OSX

Subject: Re: [Boost-build] Building Boost on OSX
From: Bioxydyn Dev (bioxydyn.dev_at_[hidden])
Date: 2013-08-20 02:58:36

On Tue, Aug 20, 2013 at 7:34 AM, Bioxydyn Dev <bioxydyn.dev_at_[hidden]>wrote:

>
>
>
> On Mon, Aug 19, 2013 at 4:57 PM, Steven Watanabe <watanabesj_at_[hidden]>wrote:
>
>> AMDG
>>
>> On 08/19/2013 08:19 AM, Bioxydyn Dev wrote:
>> > I'm trying to build boost 1.54 on OSX 10.8.4. I'm a newbie at building
>> on
>> > OSX and also at building custom boost binaries.
>> >
>> > I followed the instructions at
>> >
>> http://www.boost.org/doc/libs/1_54_0/more/getting_started/unix-variants.htmlup
>> > to and including section 4. I then installed boost build as described
>> > in
>> > section 5.2.1.
>> >
>> > To keep things simple I thought I'd just build the thread library for
>> now
>> > as follows:
>> > /usr/local/bin/boost-build/bin/b2 install
>> > --prefix=~/development/cots/boost/ --build-dir=/tmp/build-boost stage
>> > --with-thread toolset=gcc-4.5 variant=debug --layout=versioned
>> > --build-type=complete -q
>> >
>>
>> use toolset=darwin, not toolset=gcc.
>>
>
> Please explain. Why would I do that when I've installed gcc separately and
> not using what came installed on the machine?
>

>From the boost build documentation:

Apple Darwin gcc
> The darwin module supports the version of gcc that is modified and
> provided by Apple. The configuration is essentially identical to that of
> the gcc module.
> The darwin toolset can generate so called "fat" binaries—binaries that can
> run support more than one architecture, or address mode. To build a binary
> that can run both on Intel and PowerPC processors, specify
> architecture=combined. To build a binary that can run both in 32-bit and
> 64-bit modes, specify address-model=32_64. If you specify both of those
> properties, a "4-way" fat binary will be generated.

> I've installed gcc separately. I'm not using Apple's modified version.
>

> regards
>
> Joe.
>
>