patch: fix build of libcxxabi with gcc
Saleem Abdulrasool
compnerd at compnerd.org
Wed Mar 4 18:47:51 PST 2015
On Wed, Mar 4, 2015 at 4:38 PM, Nick Lewycky <nlewycky at google.com> wrote:
> The attached patch resolves a few issues building libcxxabi with gcc:
>
> - GCC doesn't support #pragma mark, only Apple GCC and clang. Wrap the
> pragma mark's in #if 0 to make gcc ignore them but xcode still see them.
>
Really? That is rather amusing. WFM. I had tried to pacify the build
with -Wno-unknown-pragmas, but that was deemed to be too heavy a hammer.
> - Wrap a bunch of "#pragma clang" lines in #ifdef __clang__.
>
Hmm..I wonder if we should wrap this in a macro. Yes, you can't use
#pragma, but you can use _Pragma. However, that is unrelated to this
change, which strictly improves things.
> - Pacify gcc's -Wparenthesis in a case where it's quite reasonable.
>
Reasonable.
> Please review!
>
Thanks for fixing this. LGTM.
> Nick
>
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--
Saleem Abdulrasool
compnerd (at) compnerd (dot) org
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