Re: [Boost-users] building boost 1.39 on iphone os3.0

Subject: Re: [Boost-users] building boost 1.39 on iphone os3.0
From: Vladimir Prus (vladimir_at_[hidden])
Date: 2009-05-19 13:19:38

gtsml owevwr wrote:

> thanks,
> 
> Ok, looking at the resulting libs, I realized that the gcc version in my
> ~/user-config.jam file was wrong, here's the new one:
> 
> 
> #################################################################
> # Compiler configuration
> using darwin : 4.2.1~iphone
>    :
> /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc-4.2 -arch arm
>    : <striper>
>    : <architecture>arm <target-os>iphone <macosx-version>iphone-3.0
>    ;
> using darwin : 4.2.1~iphonesim
>    :
> /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/gcc-4.2
> -arch i386
>    : <striper>
>    : <architecture>x86 <target-os>iphone <macosx-version>iphonesim-3.0
>    ;
> #################################################################
> 
> 
> 
> Ok, I wanted to play it dumb, but here is a shortcut. An estimate is that
> each option in the following incantation took me 30 minutes of search on the
> net.
> 
> So here is the command line I used to build boost for the iphone device (as
> opposed to the simulator)
> 
> ./bjam toolset=darwin architecture=arm target-os=iphone
> macosx-version=iphone-3.0 link=static threading=single define=_LITTLE_ENDIAN
>
include=/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.0.sdk/usr/include/c++/4.2.1/armv6-apple-darwin9
> 
> Compilation succeded, so that's all good. I still three questions thought:
> 
> 1) couldn't I make the command line shorter? maybe by migrating some of the
> stuff in the last command line to the user-config.jam?
> If so, an example would be great (for the include option for instance)

If you have project-config.jam created already, you can add:

        project : requirements

<include>/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.0.sdk/usr/include/c++/4.2.1/armv6-apple-darwin9
;

to it.

> 
> 2) I'm now worrying a bit about the name of the generated lib:
> libboost_filesystem-xgcc42-1_39.a
> Is that what I should expect?
> On boost 1.38.0, it was libboost_filesystem.a

You have have used --layout=system previously, with 1.38.

> 3) Btw, how do I know which compiler (exact path) I'm using for sure because
> all I can see is "darwin.compile.c++"?

bjam -n <other options>

- Volodya