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Bug #50266 conflicting types for llabs
Submitted: 2009-11-23 02:55 UTC Modified: 2010-02-22 15:36 UTC
From: selsky at columbia dot edu Assigned:
Status: Closed Package: Date/time related
PHP Version: 5.2SVN-2009-11-23 (snap) OS: Solaris 9
Private report: No CVE-ID: None
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 [2009-11-23 02:55 UTC] selsky at columbia dot edu 
Description:
------------
llabs() is defined in both /usr/include/stdlib.h and ext/date/php_date.c

#if defined(__GNUC__) && __GNUC__ < 3
static __inline __int64_t llabs( __int64_t i ) { return i >= 0 ? i : -i; 
}
#endif

I'm using gcc 2 so this inline function is defined, but it's also 
defined by the system.  Perhaps it would be better to test for the 
function in configure and set something in php_config.h?

Reproduce code:
---------------
$ uname -a
SunOS cumin 5.9 Generic_122300-45 sun4u sparc SUNW,UltraAX-i2 Solaris
$ gcc --version
2.95.3
$ ./configure
$ make
/bin/sh /tmp/php5.2-200911230130/libtool --silent --preserve-dup-deps --mode=compile gcc -Iext/date/lib -Iext/date/ -I/tmp/php5.2-200911230130/ext/date/ -DPHP_ATOM_INC -I/tmp/php5.2-200911230130/include -I/tmp/php5.2-200911230130/main -I/tmp/php5.2-200911230130 -I/tmp/php5.2-200911230130/ext/date/lib -I/opt/libxml2-2.6.32/include/libxml2 -I/tmp/php5.2-200911230130/TSRM -I/tmp/php5.2-200911230130/Zend  -D_POSIX_PTHREAD_SEMANTICS  -I/usr/include -g -O2  -c /tmp/php5.2-200911230130/ext/date/php_date.c -o ext/date/php_date.lo 
/tmp/php5.2-200911230130/ext/date/php_date.c:38: parse error before `llabs'
/tmp/php5.2-200911230130/ext/date/php_date.c:38: parse error before `i'
/tmp/php5.2-200911230130/ext/date/php_date.c:38: conflicting types for `llabs'
/usr/include/stdlib.h:203: previous declaration of `llabs'
/tmp/php5.2-200911230130/ext/date/php_date.c: In function `llabs':
/tmp/php5.2-200911230130/ext/date/php_date.c:38: `i' undeclared (first use in this function)
/tmp/php5.2-200911230130/ext/date/php_date.c:38: (Each undeclared identifier is reported only once
/tmp/php5.2-200911230130/ext/date/php_date.c:38: for each function it appears in.)

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 [2009-11-28 00:38 UTC] svn@php.net 
Automatic comment from SVN on behalf of jani
Revision: http://svn.php.net/viewvc/?view=revision&revision=291371
Log: - Fixed bug #50266 (conflicting types for llabs)
 [2010-02-03 21:56 UTC] jani@php.net 
This fix caused bug #50930 (any idea if you get same result?)
 [2010-02-22 15:36 UTC] selsky at columbia dot edu 
5.2.12 worked just fine.

I tested snapshot php5.2-201002221330, and I now get a segfault.  I'm 
having trouble getting a backtrace on the core file.
 
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