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[2013-05-13 21:49 UTC] 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 PatchesPull RequestsHistoryAllCommentsChangesGit/SVN commits
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Last updated: Wed Oct 29 07:00:01 2025 UTC |
Now I'm seeing errors like this one when compiling PHP 7.1.0alpha3: In file included from /usr/include/rpc/netdb.h:42:0, from /usr/include/netdb.h:32, from .../phpfarm/src/php-7.1.0alpha3-debug/main/php_network.h:79, from .../phpfarm/src/php-7.1.0alpha3-debug/ext/sockets/sockaddr_conv.h:4, from .../phpfarm/src/php-7.1.0alpha3-debug/ext/sockets/conversions.c:1: .../phpfarm/src/php-7.1.0alpha3-debug/ext/sockets/conversions.c:1291:47: error: invalid use of undefined type ‘struct in6_pktinfo’ {"addr", sizeof("addr"), 1, offsetof(struct in6_pktinfo, ipi6_addr), from_zval_write_sin6_addr, to_zval_read_sin6_addr}, It seems some of the structures like in6_pktinfo (from netinet/in.h) and ucred (from bits/socket.h) are not exposed in glibc headers anymore (at least with glibc 2.22) unless -D_GNU_SOURCE is used in the CFLAGS. That's because those structures are now guarded with the _USE_GNU preprocessor macro.I am hitting this issue repeatedly for php 8.x. I can reproduce it pretty much without issue, when using docker buildx to build the extension. Cmdline: DOCKER_BUILDKIT=1 docker buildx build --platform linux/amd64 -t php8.0-sockets . Dockerfile: FROM php:8.0-fpm-buster AS php RUN set -eux \ && docker-php-ext-install \ sockets Error output: /usr/src/php/ext/sockets/sendrecvmsg.c: In function 'init_ancillary_registry': /usr/src/php/ext/sockets/sendrecvmsg.c:128:19: error: invalid application of 'sizeof' to incomplete type 'struct cmsgcred' PUT_ENTRY(sizeof(struct cmsgcred), 0, 0, from_zval_write_ucred, ^~~~~~ /usr/src/php/ext/sockets/sendrecvmsg.c:99:17: note: in definition of macro 'PUT_ENTRY' entry.size = sizev; \ ^~~~~ /usr/src/php/ext/sockets/sendrecvmsg.c:129:36: error: 'SCM_CREDS' undeclared (first use in this function); did you mean 'SCM_SRCRT'? to_zval_read_ucred, SOL_SOCKET, SCM_CREDS); ^~~~~~~~~ /usr/src/php/ext/sockets/sendrecvmsg.c:105:19: note: in definition of macro 'PUT_ENTRY' key.cmsg_type = type; \ ^~~~ /usr/src/php/ext/sockets/sendrecvmsg.c:129:36: note: each undeclared identifier is reported only once for each function it appears in to_zval_read_ucred, SOL_SOCKET, SCM_CREDS); ^~~~~~~~~ /usr/src/php/ext/sockets/sendrecvmsg.c:105:19: note: in definition of macro 'PUT_ENTRY' key.cmsg_type = type; \ ^~~~ make: *** [Makefile:216: sendrecvmsg.lo] Error 1