Re: the mystery of math.h in lib/gcc/%triple-name%/%gcc-version%/include-fixed

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On 10/24/2018 11:05 AM, Jonathan Wakely wrote:
On Wed, 24 Oct 2018 at 16:02, Dennis Clarke <dclarke@xxxxxxxxxxxxx> wrote:

On 10/24/2018 05:04 AM, Jonathan Wakely wrote:
On Wed, 24 Oct 2018 at 09:53, Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote:

On Wed, 24 Oct 2018 at 04:25, Dennis Clarke <dclarke@xxxxxxxxxxxxx> wrote:
The question has to be where do these "include-fixed" headers come
from?

The include-fixed headers are generated as part of the GCC build
process. The contents of the fixincludes dir in the GCC sources apply
a set of rules to fix known problems in the system headers (either
conformance bugs, or incompatibilities with GCC).

This is (barely) documented at
https://gcc.gnu.org/onlinedocs/gccint/Headers.html


OKay .. maybe I can write something ( anything ) with examples but my
test case examples are Debian on ppc64 and Solaris on sparc as well as
FreeBSD on x86_64.  Something somewhere that says certain C++ standards
are expected ... or not ... I have yet to figure it out here.

I don't understand what you're saying. Are you asking for something?


I am saying that page can be updated a bit with some more explanation
 and examples and such and I could write up something.

Dennis



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