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Reply-To: "Steph Fox" <steph@zend.com>
To: "Stanislav Malyshev" <stas@zend.com>,
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Date: Tue, 29 Apr 2008 09:05:19 +0100
Organization: Zend Technologies
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Subject: Re: [PHP-DEV] Is there a difference in (n)make between windows and unix.
From: steph@zend.com ("Steph Fox")

Hi Stas,

>> Should editing ANY source level file (.h, .c type files) result in a 
>> make?
>
> Theoretically, it should. But it's as good as makefile dependencies, of 
> course. I'm not sure PHP configure script generates dependencies for all 
> files...

I spent some time looking into this yesterday (Richard and I had one of 
those off-list exchanges). Not sure if *nix compilers work in the same way, 
but under Windows nmake treats any headers included in source files as 
"implicit prerequisites". Only explicit header declarations are compiled in 
their own right.

I'd *assume* that this is what knocked almost 15 minutes off the build time 
when moving from our .dsp files (which had explicit header declarations) to 
the config.w32 setup.

Keeping in mind that headers are far less likely to be altered than C files 
once an API is stable, there doesn't seem much point in making the build 
slower or the task of writing config.w32 files more complex just so's those 
undertaking active development won't need to make clean and re-run configure 
now and again.

- Steph

> -- 
> Stanislav Malyshev, Zend Software Architect
> stas@zend.com   http://www.zend.com/
> (408)253-8829   MSN: stas@zend.com
>
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