compile fails on netdb.h?

If someone could please help me on this one, I really would appreciate it. I've compiled PHP successfully dozens of times, but can't seem to figure out what this problem is :( This is a RH7.3 box, with the "newest" version of glibc which apparently provides netdb.h (figuring maybe that would help since the version shipped with RH had the same problems.) I don't know enough C to understand what I'm being told here, and netdb.h doesn't have any obvious parse errors. If you reply, please CC me in mail because the faster I can get this fixed, the less stressed out I'll be. Thanks. /bin/sh /usr/src/php-4.2.3/libtool --silent --mode=compile gcc -I. -I/usr/src/php-4.2.3/main -I/usr/src/php-4.2.3/main -I/usr/src/php-4.2.3 -I/usr/local/apache/include -I/usr/src/php-4.2.3/Zend -I/usr/include/freetype2/freetype -I/usr/local/mysql/include/mysql -I/usr/local/include/pspell -I/usr/src/php-4.2.3/ext/xml/expat -DLINUX=22 -DUSE_HSREGEX -DEAPI -DUSE_EXPAT -I/usr/src/php-4.2.3/TSRM -g -O2 -prefer-pic -c fopen_wrappers.c In file included from fopen_wrappers.c:70: /usr/include/netdb.h:119: parse error before `__socklen_t' /usr/include/netdb.h:141: parse error before `__socklen_t' In file included from fopen_wrappers.c:72: /usr/include/arpa/inet.h:27: syntax error before `socklen_t' /usr/include/arpa/inet.h:27: warning: empty declaration make[2]: *** [fopen_wrappers.lo] Error 1 make[2]: Leaving directory `/usr/src/php-4.2.3/main' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/usr/src/php-4.2.3/main' make: *** [all-recursive] Error 1