# bison 1.875 causes segfault - Thread: https://externals.io/message/407 - Original archive: https://news-web.php.net/php.internals/407 - Started by Sebastian Bergmann on 2003-03-28T07:56:12+00:00 - Messages: 1 - Reply by email to internals@lists.php.net - More for agents: search with https://externals.io/search.md?q={query} · JSON API at https://externals.io/api · documentation at https://externals.io/llms.txt --- ## #407 — Sebastian Bergmann — 2003-03-28T07:56:12+00:00 URL: https://externals.io/message/407#407 Building PHP with bison versions up to 1.75 works fine, but both bison 1.875 and 1.875a cause a segfault during the startup of PHP. Backtrace: Program received signal SIGSEGV, Segmentation fault. 0x081919b4 in ini_parse () at Zend/zend_ini_parser.c:1042 1042 YYSTACK_RELOCATE (yyss); (gdb) bt #0 0x081919b4 in ini_parse () at Zend/zend_ini_parser.c:1042 #1 0x08191831 in zend_parse_ini_file (fh=0xbffff430, unbuffered_errors=1 '\001', ini_parser_cb=0x816b336 , arg=0x8315a40) at /usr/src/php5/Zend/zend_ini_parser.y:156 #2 0x0816bc64 in php_init_config () at /usr/src/php5/main/php_ini.c:420 #3 0x081670ee in php_module_startup (sf=0x82561c0, additional_modules=0x0, num_additional_modules=0) at /usr/src/php5/main/main.c:1284 #4 0x081d10fe in main (argc=1, argv=0xbffff744) at /usr/src/php5/sapi/cli/php_cli.c:589 #5 0x402419ed in __libc_start_main () from /lib/libc.so.6 The differences between the parsers generated by bison 1.75 and bison 1.875a can be seen here http://www.sebastian-bergmann.de/stuff/diff-zend_ini_parser.c http://www.sebastian-bergmann.de/stuff/diff-zend_language_parser.c I also brought this up on the bison mailinglist last night, maybe some kind sould from there can help. For the time beeing I think it would best to bail out on bison versions greater than 1.75 in configure. Greetings, Sebastian -- Sebastian Bergmann http://sebastian-bergmann.de/ http://phpOpenTracker.de/ Did I help you? Consider a gift: http://wishlist.sebastian-bergmann.de/