Bug #51178 [NEW]: Compile fails randomly with default RPM CFLAGS

From: Date: Mon, 01 Mar 2010 21:48:27 +0000
Subject: Bug #51178 [NEW]: Compile fails randomly with default RPM CFLAGS
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-148148@lists.php.net to get a copy of this message
From:             
Operating system: CentOS 5.4
PHP version:      5.2.13
Package:          Compile Failure}
Bug Type:         Bug
Bug description:Compile fails randomly with default RPM CFLAGS

Description:
------------
The CFLAGS used for this build are:
-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=0 -fexceptions -fstack-protector
--param=ssp-buffer-size=4 -m64 -mtune=generic
-DSECURITY_HOLE_PASS_AUTHORIZATION

The differences from a default RPM build are
SECURITY_HOLE_PASS_AUTHORIZATION and _FORTIFY_SOURCE=2.  I don't have this
failure when building normally via ./configure && make, so this makes me
think it's the optimisation that's making the build flakey.  Is it possible
to make this function a little more resilient to optimisation?

About 50% of the time PHP fails to build, it always fails in exactly the
same place:

/usr/src/rpm/BUILD/php-5.2.13/main/streams/cast.c:136: error: expected '=',
',', ';', 'asm' or '__attribute__' before
'stream_cookie_functions'
/usr/src/rpm/BUILD/php-5.2.13/main/streams/cast.c: In function
'_php_stream_cast':
/usr/src/rpm/BUILD/php-5.2.13/main/streams/cast.c:189: warning: implicit
declaration of function 'fopencookie'
/usr/src/rpm/BUILD/php-5.2.13/main/streams/cast.c:189: error:
'stream_cookie_functions' undeclared (first use in this function)
/usr/src/rpm/BUILD/php-5.2.13/main/streams/cast.c:189: error: (Each
undeclared identifier is reported only once
/usr/src/rpm/BUILD/php-5.2.13/main/streams/cast.c:189: error: for each
function it appears in.)
/usr/src/rpm/BUILD/php-5.2.13/main/streams/cast.c:189: warning: assignment
makes pointer from integer without a cast
/usr/src/rpm/BUILD/php-5.2.13/main/streams/cast.c:230: warning: cast to
pointer from integer of different size
/usr/src/rpm/BUILD/php-5.2.13/main/streams/cast.c:233: warning: cast to
pointer from integer of different size
/usr/src/rpm/BUILD/php-5.2.13/main/streams/cast.c: In function
'_php_stream_open_wrapper_as_file':
/usr/src/rpm/BUILD/php-5.2.13/main/streams/cast.c:306: warning:
dereferencing type-punned pointer will break strict-aliasing rules
make: *** [main/streams/cast.lo] Error 1


Expected result:
----------------
A successful build 100% of the time.

Actual result:
--------------
If I build the RPM 20 times (without changing ANYTHING), it fails to build
at least - usually more - than half the time.  This increases the time
required to roll-out updates to PHP a great deal, by breaking our automated
build system.

-- 
Edit bug report at http://bugs.php.net/bug.php?id=51178&edit=1
-- 
Try a snapshot (PHP 5.2):            http://bugs.php.net/fix.php?id=51178&r=trysnapshot52
Try a snapshot (PHP 5.3):            http://bugs.php.net/fix.php?id=51178&r=trysnapshot53
Try a snapshot (PHP 6.0):            http://bugs.php.net/fix.php?id=51178&r=trysnapshot60
Fixed in SVN:                        http://bugs.php.net/fix.php?id=51178&r=fixed
Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=51178&r=needdocs
Fixed in release:                    http://bugs.php.net/fix.php?id=51178&r=alreadyfixed
Need backtrace:                      http://bugs.php.net/fix.php?id=51178&r=needtrace
Need Reproduce Script:               http://bugs.php.net/fix.php?id=51178&r=needscript
Try newer version:                   http://bugs.php.net/fix.php?id=51178&r=oldversion
Not developer issue:                 http://bugs.php.net/fix.php?id=51178&r=support
Expected behavior:                   http://bugs.php.net/fix.php?id=51178&r=notwrong
Not enough info:                     http://bugs.php.net/fix.php?id=51178&r=notenoughinfo
Submitted twice:                     http://bugs.php.net/fix.php?id=51178&r=submittedtwice
register_globals:                    http://bugs.php.net/fix.php?id=51178&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=51178&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=51178&r=dst
IIS Stability:                       http://bugs.php.net/fix.php?id=51178&r=isapi
Install GNU Sed:                     http://bugs.php.net/fix.php?id=51178&r=gnused
Floating point limitations:          http://bugs.php.net/fix.php?id=51178&r=float
No Zend Extensions:                  http://bugs.php.net/fix.php?id=51178&r=nozend
MySQL Configuration Error:           http://bugs.php.net/fix.php?id=51178&r=mysqlcfg



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