sizeof(long) and universal builds

[Michael Dickens]

In the past, I've handled this situation by using the muniversal PortGroup, so that the sizeof is correct for each build independent of the other. - MLD

On Thu, Mar 1, 2018, at 2:40 PM, Mojca Miklavec wrote:
> While checking some patches of a library I decided to try whether the
> library would build universally. The configure.ac part contains:
> 
>     AC_COMPILE_CHECK_SIZEOF([long])
> 
> and that happily fails with
> 
>     checking size of long... configure: error: cannot determine a size for long
> 
> when setting
> 
>     CXXFLAGS="-arch i386 -arch x86_64"
> 
> What's the correct way to handle universal builds in that respect? Or
> is it that is simply cannot be done?
> 
> Thank you,
>     Mojca
> 
> 
> PS: here's the relevant commit:
> https://github.com/gdraheim/zziplib/commit/75ddc796529b191437514be2bbf6a2f561a74a6f