[haiku-development] Re: Differences in Errors.h (installed vs. build header)
- From: Matt Madia <mattmadia@xxxxxxxxx>
- To: haiku-development@xxxxxxxxxxxxx
- Date: Sun, 5 Aug 2012 19:43:15 +0000
On 8/5/12, Ingo Weinhold <ingo_weinhold@xxxxxx> wrote:
> On Sun, 5 Aug 2012 18:24:45 +0000 Matt Madia <mattmadia@xxxxxxxxx> wrote:
>> While working on #8730, I noticed that headers/os/support/Errors.h[1]
>> is vastly different than headers/build/os/support/Errors.h[2]
>>
>> For the purposes of #8730, which header should be used for
>> headers/build/os_target/target_Errors.h[3]?
>
> Please use the one in headers/os. When in doubt you can just compare the
> commit logs. In most cases you'll find the build header simply hasn't been
> updated after the Haiku header was changed.
Will do.
>> /home/mmadia/separate-build-environment/haiku/src/build/libroot/atomic.cpp:1:
>> /usr/include/float.h:39: error: expected constructor, destructor, or
>> type conversion before 'extern'
>
> Not related to the error, but anyway: /usr/include/float.h doesn't sound
> good. That's not the compiler header. Apparently FreeBSD has an OS <float.h>
> header. If that one includes anything other than compiler headers, it must
> not be included and the HaikuHostBuildConfig.h approach needs to be chosen.
environment/haiku/headers/build/os_target/support/target_Errors.h:644:
>> error:
>> expected constructor, destructor, or type conversion before 'extern'
>
> Before that line there's nothing in target_Errors.h that the compiler sees
> (it's all preprocessor stuff), so the problem is in an included header.
> Possibly the incorrect function definition. The easiest way to find out is
> to get things preprocessing and to check the preprocessed output.
On a whim, I commented #include <float.h> from
posix_target/target_limits.h and the
os_target/support/target_Errors.h:644 error went away. Looks like
I'll add the contents of <float.h> to HaikuHostBuildConfig.h.
Thanks!
--mmadia
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