PHP :: Bug #50315 :: Use of config.cache causes missing HAVE

Bug #50315	Use of config.cache causes missing HAVE_FORK define
Submitted:	2009-11-27 23:11 UTC	Modified:	2009-11-27 23:43 UTC
From:	jd at cpanel dot net	Assigned:
Status:	Closed	Package:	Compile Failure
PHP Version:	5.2.12RC3	OS:	Centos 5 AMD64
Private report:	No	CVE-ID:	None

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[2009-11-27 23:11 UTC] jd at cpanel dot net

Description:
------------
The bug fix in revision 291318 exposes additional problems with ext/standard/config.m4

When php_cv_can_support_proc_open is loaded from config.cache the function tests that come after are not executed.  As a result, the existence of fork() is not tested and HAVE_FORK is not defined.

ext/standard/proc_open.c has a chain of preprocessor if blocks that expects one of PHP_WIN32, NETWARE or HAVE_FORK to be set whenever PHP_CAN_SUPPORT_PROC_OPEN is set.

Reproduce code:
---------------
Remove config.cache then run configure twice without --enable-pcntl (which also tests for fork()).  Diff the two generated php_config.h files.

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[2009-11-27 23:41 UTC] svn@php.net

Automatic comment from SVN on behalf of rasmus
Revision: http://svn.php.net/viewvc/?view=revision&revision=291364
Log: Fix bug #50315

[2009-11-27 23:43 UTC] rasmus@php.net

Fixed by simply not caching this check.

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