On Fri, Dec 23, 2011 at 9:51 PM, Warren Young wrote:
> I think the idea is that if autoconf detects that PCH is available and
> automake generates the correct compiler commands to use it, it will be there
> "for free" to any user of the autotools. Builds just get magically faster.
I don't think
On Fri, Dec 23, 2011 at 10:11 PM, Dave Hart wrote:
> Another monkey wrench is gcc and Visual C++ have different models for
> how PCH is implemented. Support in Automake would ideally target both
Have they? AFAIK they're equivalent.
> by finding a compatible subset. I'm sure there are existing
On Fri, Dec 23, 2011 at 5:46 PM, Stefano Lattarini
wrote:
> First, I know basically nothing about PCH, and it seems to me that it is not
> a feature many users would require or employ.
Why not? It can drastically reduce build times of C++ projects. I have
little experience with C projects, but I
Olaf van der Spek writes:
> Why not? It can drastically reduce build times of C++ projects. I have
> little experience with C projects, but I assume it speeds those up as
> well.
It's unlikely to help a great deal with most C projects, since most C
headers just aren't very complicated and other
On 12/23/2011 09:51 PM, Warren Young wrote:
> On 12/23/2011 9:46 AM, Stefano Lattarini wrote:
>>
>> I know basically nothing about PCH,
>
> The only important thing to know is that it's a way to make the compiler dump
> its parse tree to disk during compilation so that it can simply reload that
>
I think I found a way, at last:
BUILT_SOURCES = config.h.gch
config.h.gch: config.h
${CXXCOMPILE} -o $@ $<
--
Olaf
On Thu, Mar 3, 2011 at 4:41 PM, Olaf van der Spek wrote:
> On Sun, Feb 27, 2011 at 7:01 PM, Olaf van der Spek
> wrote:
>> On Sun, Feb 27, 2011 at 1:08 PM, Ralf Wildenhues
>> wrote:
>>> I will probably not hack on this myself (both due to time constraints
>>> and IMVHO limited portability/usefu
On Sun, Feb 27, 2011 at 7:01 PM, Olaf van der Spek wrote:
> On Sun, Feb 27, 2011 at 1:08 PM, Ralf Wildenhues
> wrote:
>> I will probably not hack on this myself (both due to time constraints
>> and IMVHO limited portability/usefulness of PCH), but if somebody else
>
> PCH is IMO very valuable. G
On Sun, Feb 27, 2011 at 1:08 PM, Ralf Wildenhues wrote:
> I will probably not hack on this myself (both due to time constraints
> and IMVHO limited portability/usefulness of PCH), but if somebody else
PCH is IMO very valuable. GCC, ICC and MSVC support it, I'm not sure
about other compilers.
I've
severity 8076 wishlist
thanks
Hello Olaf,
* Olaf van der Spek wrote on Thu, Feb 24, 2011 at 12:53:19PM CET:
> > I just read http://sources.redhat.com/automake/automake.html#Examples
> > but didn't find anything on PCH.
> > Would it be possible to include a 'Hello World' style use of PCH?
>
> Som
On Fri, Feb 18, 2011 at 1:58 PM, Olaf van der Spek wrote:
> Hi,
>
> I just read http://sources.redhat.com/automake/automake.html#Examples
> but didn't find anything on PCH.
> Would it be possible to include a 'Hello World' style use of PCH?
Somebody?
--
Olaf
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