[cfe-dev] Using libc++ in a published app

[Sean Colombo]

It's been a month now, but I think the only change was that I added
one-line to my CMakeLists.txt file (that's the only thing that appears
important in the SVN changeset, so that might be it).

The line was:

* SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libstdc++")*
In context that looks like this:
# Steam SDK Directories
IF(WIN32)
SET(STEAMINC "C:\\CODE\\Game
Development\\Hive\\Steamworks-CS\\STEAM_SDK\\public")
SET(STEAMLIB "C:\\CODE\\Game
Development\\Hive\\Steamworks-CS\\STEAM_SDK\\redistributable_bin")
ELSE()
IF(APPLE)
SET(HOMEDIR "Users")
SET(OSDIR "osx32")
 SET(STEAMINC
"/${HOMEDIR}/media/Desktop/hive/Steamworks-CS/STEAM_SDK/public")
SET(STEAMLIB
"/${HOMEDIR}/media/Desktop/hive/Steamworks-CS/STEAM_SDK/redistributable_bin/${OSDIR}")
 *SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libstdc++")*
ELSE()
SET(HOMEDIR "home")
 SET(OSDIR "linux32")
SET(STEAMINC "/${HOMEDIR}/sean/Desktop/hive/Steamworks-CS/STEAM_SDK/public")
 SET(STEAMLIB
"/${HOMEDIR}/sean/Desktop/hive/Steamworks-CS/STEAM_SDK/redistributable_bin/${OSDIR}")
ENDIF()
ENDIF()

Hope that helps... thank you for offering to document this!!
 - Sean


On Tue, Jun 17, 2014 at 10:26 AM, David Irvine <david.irvine at maidsafe.net>
wrote:

> Do you have instructions for how you achieved that. I would be very
> interested and happy to document them. We have some instructions here
> https://github.com/maidsafe/MaidSafe/wiki/Hacking-with-Clang-llvm-abi-and-llvm-libc that
> I would love to update for releasing static linked binaries in linux (and
> OSX fro that matter).
>
>
> On Sun, May 11, 2014 at 9:25 PM, Richard Pennington <rich at pennware.com>
> wrote:
>
>>  On 05/11/2014 03:16 PM, Sean Colombo wrote:
>>
>> Hi there,
>> When releasing an OSX app using libc++, is there any standard way to make
>> sure the user has this dependency installed?
>>
>> It appears that users on OSX 10.6 and below do not have libc++ by default
>> (that's around 20% of OS X users at the moment).
>>
>> If I simply package libc++.1.dylib with my app, I assume it will continue
>> to fail because there seems to be a large number of cascading dependencies.
>>  Is there some script I could run at installation-time to make sure libc++
>> and all of its dependencies get installed?
>>
>> Thanks for any pointers you could give me!
>>  - Sean Colombo
>>
>>
>> For my project (http://ellcc.org), I'm creating Linux static binaries
>> for everything to eliminate dependencies. On an x86_64 system the resulting
>> static binaries are actually smaller than the normal clang/LLVM dynamically
>> linked binaries:
>>
>>  <http://ellcc.org/blog/?page_id=289>[~] dev% size llvm-dir/bin/clang
>> ellcc/bin/ecc
>>    text    data     bss     dec     hex filename
>> 57361633        2674424   95400 60131457        3958881 llvm-dir/bin/clang
>> 48301230          53168   95600 48449998        2e349ce ellcc/bin/ecc
>> [~] dev% file llvm-dir/bin/clang ellcc/bin/ecc
>> llvm-dir/bin/clang: ELF 64-bit LSB executable, x86-64, version 1
>> (GNU/Linux), dynamically linked (uses shared libs), for GNU/Linux 2.6.32,
>> BuildID[sha1]=7824be96a50ef5c4aa3501c9f32e18399397e9c6, stripped
>> ellcc/bin/ecc:      ELF 64-bit LSB executable, x86-64, version 1 (SYSV),
>> statically linked, BuildID[sha1]=c604e1efa1b99bf305bb76e7ac170c9d0019e96e,
>> not stripped
>> [~] dev%
>>
>> I use libc++, libc++abi, compiler-rt, and musl (all compiled statically
>> of course) to build the executables.
>>
>> -Rich
>>
>> _______________________________________________
>> cfe-dev mailing list
>> cfe-dev at cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev
>>
>>
>
>
> --
>
> David Irvine
> twitter: @metaquestions
> blog:  http://metaquestions.me
>
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