compiling webrtc with clang and libc++

[Alexandre GOUAILLARD]

hi,

by default it seems that webrtc is being compiled with libstdc++ on mac.

How to change that to libc++

I googled, i tries the diffenrent GYP_DEFINES< modified the common.gypi, could t make it happen.

thanks in advance.

alex.

--

Alex. Gouaillard, PhD, PhD, MBA

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Principal Architect - Citrix, San Francisco

President - CoSMo Software Consulting, Singapore

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sg.linkedin.com/agouaillard

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[Dmitry Sobinov]

If you need static libs only, you can try following patch (maybe that's enough for .dylib, we didn't check):

 

--- a/build/common.gypi

+++ b/build/common.gypi

@@ -5255,6 +5255,7 @@

         'xcode_settings': {

           'GCC_DYNAMIC_NO_PIC': 'NO',               # No -mdynamic-no-pic

                                                     # (Equivalent to -fPIC)

+          'CLANG_CXX_LIBRARY': 'libc++',

           # MACOSX_DEPLOYMENT_TARGET maps to -mmacosx-version-min

Chromium switched to libc++ recently, so hopefully we won't need these hacks anymore: https://code.google.com/p/chromium/issues/detail?id=400091

Regards,

Dmitry

[Alexandre GOUAILLARD]

thanks,

I finally managed to do it.

I had added the same line you did in common.gypi, copied from the iOS section.

I also removed Werror that was bumping on undefined W.

I also put some GYP_DEFINES variables:

GYP_DEFINES=clang=1 clang_xcode=1 use_system_libcxx=1 OS=mac target_arch=x64

and GENERATORS

GYP_GENERATORS=ninja,xcode-ninja

I ended up with the Xcode provided clang (and not the depot_tools provided one), c++11, as well as libc++.

cheers,

Alex.

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