Oh it makes a big difference on Windows. You quote man pages I'll quote the
MSDN!
Quoted form
-----------
This form instructs the preprocessor to look for include files in the same
directory of the file that contains the #include statement, and then in the
directories of whatever files that include that file. The preprocessor then
searches along the path specified by the /I compiler option, then along
paths specified by the INCLUDE environment variable.
Angle-bracket form
------------------
This form instructs the preprocessor to search for include files first along
the path specified by the /I compiler option, then along the path specified
by the INCLUDE environment variable.
Note the lack of searching in the current directory first when using the
angle brackets.
Jim
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> Sent: Friday, August 17, 2001 3:13 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Using #include "" instead of #include <>
>
>
>
> Well, that's imposing something on C/C++ which is not defined by the
> standard, so I don't know whether I agree with that behavior
> or not. Are
> you saying that because makedeps has decided that <> means a
> system header
> that everyone should believe that as well?
>
> Dave
>
>
>
>
>
> jason@openinfor
>
> matics.com To:
> [EMAIL PROTECTED]
> (Jason E. cc: (bcc:
> David N Bertoni/CAM/Lotus)
> Stewart) Subject: Using
> #include "" instead of #include <>
>
>
> 08/17/2001
>
> 02:21 PM
>
> Please respond
>
> to xerces-c-dev
>
>
>
>
>
>
>
>
> "Murphy, James" <[EMAIL PROTECTED]> writes:
>
> > While were on the subject of upsetting apple carts -
> >
> > I would also like to change the include file convention to use
> > quotes instead of angle brackets. In this way I wouldn't have to
> > modify my include path at all for any of my projects! Everything
> > would work relative to each file (something the preprocessor wont do
> > if you use <> to include)
>
> I've wondered why so many projects do this. #include <foo.h> and
> #include "foo.h" are definately handled different on Unix systems,
> #especially by makedepends.
>
> Reading the man page for cpp says (for example):
>
> -MM [-MG]
> Like `-M' but mention only the files included with
> `#include "file"'. System header files included
> with `#include <file>' are omitted.
>
> Also see the '-I-' entry.
>
> angle brackets are for 'system header' files. Any project header files
> should be referenced by double quotes. Perhaps windows doesn't care,
> but unix does.
>
> jas.
>
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