Bug #64833 [Com]: ext/sockets/sendrecvmsg.c related compilation errors

From: Date: Thu, 16 May 2013 19:32:46 +0000
Subject: Bug #64833 [Com]: ext/sockets/sendrecvmsg.c related compilation errors
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=64833&edit=1

 ID:                 64833
 Comment by:         clicky at erebot dot net
 Reported by:        clicky at erebot dot net
 Summary:            ext/sockets/sendrecvmsg.c related compilation errors
 Status:             Assigned
 Type:               Bug
 Package:            Compile Failure
 Operating System:   Debian Squeeze
 PHP Version:        5.5.0RC1
 Assigned To:        cataphract
 Block user comment: N
 Private report:     N

 New Comment:

Adding to my initial report.
Compiling with ./configure --disable-all --enable-sockets also triggers this issue, although with a
different output:

/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/conversions.c:1288:31: error: invalid use of
undefined type ‘struct in6_pktinfo’
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/conversions.c:1289:37: error: invalid use of
undefined type ‘struct in6_pktinfo’
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/conversions.c:1307:29: error: invalid use of
undefined type ‘struct ucred’
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/conversions.c:1307:29: error: initializer
element is not constant
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/conversions.c:1307:29: error: (near
initialization for ‘descriptors_ucred[0].field_offset’)
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/conversions.c:1308:29: error: invalid use of
undefined type ‘struct ucred’
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/conversions.c:1308:29: error: initializer
element is not constant
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/conversions.c:1308:29: error: (near
initialization for ‘descriptors_ucred[1].field_offset’)
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/conversions.c:1310:29: error: invalid use of
undefined type ‘struct ucred’
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/conversions.c:1310:29: error: initializer
element is not constant
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/conversions.c:1310:29: error: (near
initialization for ‘descriptors_ucred[2].field_offset’)
make: *** [ext/sockets/conversions.lo] Error 1


Previous Comments:
------------------------------------------------------------------------
[2013-05-13 21:49:36] clicky at erebot dot net

Description:
------------
While trying to build PHP 5.5.0RC1 under Debian Squeeze, the following compilation errors were
triggered.

I think this may be related to this commit that introduced support for SCM_CREDENTIALS and other
goodies in the sockets extension recently: http://git.php.net/?p=php-src.git;a=commitdiff;h=a85d7f28f69fbc522ed90aee1926d3733be7620d

Also, please note that the manpage for UNIX sockets states that "struct ucred" (which is
used in the code) is only defined when the _GNU_SOURCE macro is defined since glibc 2.8 [1]. This
may also be the reason why the build fails (Debian Squeeze uses libc6-2.13 [2]).

Other projects have been impacted by this issue too [3].

[1] http://manpages.ubuntu.com/manpages/karmic/en/man7/unix.7.html
[2] http://packages.debian.org/wheezy/libc6
[3] http://sourceforge.net/p/wide-dhcpv6/bugs/29/
(also contains link to a glibc commit that changed some of the structs like in6_pktinfo to be
macro-guarded).

Test script:
---------------
'./configure' \
'--enable-debug' \
'--disable-all' \
'--disable-short-tags' \
'--disable-sigchild' \
'--with-layout=GNU' \
'--with-regex' \
'--with-openssl=shared' \
'--with-zlib=shared' \
'--enable-bcmath=shared' \
'--with-bz2=shared' \
'--enable-calendar=shared' \
'--with-gettext=shared' \
'--enable-mbstring=shared' \
'--enable-pcntl=shared' \
'--enable-sockets=shared' \
'--with-pdo-sqlite' \
'--enable-sysvmsg=shared' \
'--enable-sysvsem=shared' \
'--enable-sysvshm=shared' \
'--with-xsl=shared' \
'--with-iconv=shared' \
'--enable-zip=shared' \
'--enable-posix=shared' \
'--enable-libxml=shared' \
'--enable-dom=shared' \
'--enable-xml=shared' \
'--enable-xmlreader=shared' \
'--enable-xmlwriter=shared' \
'--enable-tokenizer=shared' \
'--enable-pdo' \
'--enable-ctype=shared' \
'--enable-json=shared' \
'--enable-session=shared' \
'--enable-soap=shared' \
'--enable-simplexml=shared' \
'--enable-hash' \
'--enable-intl=shared' \
'--enable-phar=shared' \
'--with-sqlite3' \
'--with-mysql=shared,mysqlnd' \
'--with-mysqli=shared,mysqlnd' \
'--with-pdo-mysql=shared,mysqlnd' \
'--prefix=/home/qa/phpfarm/inst/php-5.5.0RC1-debug' \
'--exec-prefix=/home/qa/phpfarm/inst/php-5.5.0RC1-debug' \
'--without-pear' \
'--enable-cgi' \
'--enable-cli' \
'--enable-fpm' \
"$@"

(but could probably be reduced to just ./configure --disable-all --enable-sockets=shared)

Expected result:
----------------
PHP should build without any compilation error.

Actual result:
--------------
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/sendrecvmsg.c: In function
‘init_ancillary_registry’:
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/sendrecvmsg.c:109:2: error: invalid application
of ‘sizeof’ to incomplete type ‘struct in6_pktinfo’
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/sendrecvmsg.c:124:2: error: invalid application
of ‘sizeof’ to incomplete type ‘struct ucred’
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/sendrecvmsg.c:124:2: error:
‘SCM_CREDENTIALS’ undeclared (first use in this function)
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/sendrecvmsg.c:124:2: note: each undeclared
identifier is reported only once for each function it appears in
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/sendrecvmsg.c: In function
‘php_do_setsockopt_ipv6_rfc3542’:
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/sendrecvmsg.c:339:12: error: invalid application
of ‘sizeof’ to incomplete type ‘struct in6_pktinfo’
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/sendrecvmsg.c:345:19: error: invalid application
of ‘sizeof’ to incomplete type ‘struct in6_pktinfo’
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/sendrecvmsg.c: In function
‘php_do_getsockopt_ipv6_rfc3542’:
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/sendrecvmsg.c:377:17: error: invalid application
of ‘sizeof’ to incomplete type ‘struct in6_pktinfo’
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/sendrecvmsg.c: In function
‘php_socket_sendrecvmsg_init’:
/home/qa/phpfarm/src/php-5.5.0RC1-debug/ext/sockets/sendrecvmsg.c:436:2: error:
‘SCM_CREDENTIALS’ undeclared (first use in this function)
make: *** [ext/sockets/sendrecvmsg.lo] Error 1



------------------------------------------------------------------------



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