CocoaHeaders.mcp Precompile header problem

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Peter Teeson - 29 Sep 2003 21:32 GMT

MacOs X 10.2.6 and CW 8.3 and December 2002 Dev Tools and Aug 2003
updater for Dev Tools

I had occasion to rebuild the precompiled headers and they all work with
the exception of Cocoaheader.mcp which gets 25 errors many of which are
of the form

Error : declaration syntax error
(included from:
Foundation.h:39
Cocoa.h:12
CocoaHeaders.m:17
CocoaHeaders.pchm:20)
NSInvocation.h line 42 _Bool

Why is this? I would expect this to work out of the box...especially
since I have not made any changes to them.

Anyone else seen this?

respect.....

Peter

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MW Ron - 30 Sep 2003 03:21 GMT

In article
<pteesonNOT-52807B.16320229092003@nntp.bloor.is.net.cable.rogers.com>,

>MacOs X 10.2.6 and CW 8.3 and December 2002 Dev Tools and Aug 2003
>updater for Dev Tools
[quoted text clipped - 15 lines]
>
>Anyone else seen this?

It is probably the Aug 2003 update changed. Are they all with the _Bool
declaration, try turning on the C99 extensions and see if that makes a
difference.

If all else fails let me know more and I'll see if there is anything I
can do.

Ron

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Peter Teeson - 30 Sep 2003 15:31 GMT

> In article
> <pteesonNOT-52807B.16320229092003@nntp.bloor.is.net.cable.rogers.com>,
[quoted text clipped - 27 lines]
>
> Ron

Turning on C99 extensions fixed it. I had tried before doing the Aug
2003 updates and had the same result so I know it wasn't that.

You might want to check if that flag is turned on in the CW9 release.

Thanks mighty Ron....

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MW Ron - 30 Sep 2003 21:16 GMT

In article
<pteesonNOT-0644E7.10313030092003@nntp.bloor.is.net.cable.rogers.com>,

>Turning on C99 extensions fixed it. I had tried before doing the Aug
>2003 updates and had the same result so I know it wasn't that.

Good guess on my part.

>You might want to check if that flag is turned on in the CW9 release.

thanks I looked and it was.

Ron

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Glen Fisher - 30 Sep 2003 23:39 GMT

Peter Teeson wrote:

| MacOs X 10.2.6 and CW 8.3 and December 2002 Dev Tools and Aug 2003
| updater for Dev Tools
[quoted text clipped - 13 lines]
| Why is this? I would expect this to work out of the box...especially
| since I have not made any changes to them.

MW Ron wrote:

| It is probably the Aug 2003 update changed. Are they all with the
| _Bool declaration, try turning on the C99 extensions and see if
| that makes a difference.

Peter Teeson wrote:

| Turning on C99 extensions fixed it. I had tried before doing the Aug
| 2003 updates and had the same result so I know it wasn't that.
|
| You might want to check if that flag is turned on in the CW9
| release.

The problem has nothing to do with the August GCC update. I can make
the same message appear, and I don't have anything newer than the
December 2002 Tools. Nor is the problem the lack of a check in the
Metrowerks headers. The problem is that the BSD (that is, Apple or
GCC) headers simply *assume* that the C99 extensions are on, by
hardwiring an "#include <stdbool.h>" line. That ends up using the
(C99-only) _Bool type, which CW doesn't recognize, because the C99
extensions are off.

I found this out while experimenting with the headers trying to
understand other oddities of the BSD/MSL mixing. (Specifically, it
turns out that the _setjmp() function, used by NS_DURING, isn't
declared if you use the MSL headers. I've already filed a bug report
on that.)

Glen Fisher

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Mac Forum / Programming / CodeWarrior / September 2003

CocoaHeaders.mcp Precompile header problem