I am encountering the following problem when attempting to install Apache::Scoreboard 0.10 on a fresh Red Hat 6.2 install (2.2.14-5.0 kernel) with Perl 5.6.0, Apache 1.3.17, and mod_perl 1.25 (all installed from source, not the RH RPMs): /usr/local/src/Apache-Scoreboard-0.10 109 > perl Makefile.PL Checking if your kit is complete... Looks good Writing Makefile for Apache::DummyScoreboard Writing Makefile for Apache::Scoreboard /usr/local/src/Apache-Scoreboard-0.10 114 > make make[1]: Entering directory `/usr/local/src/Apache-Scoreboard-0.10/Dummy' cc -c -I../ -I/usr/local/lib/perl5/site_perl/5.6.0/i686-linux/auto/Apache/include -I/usr/local/lib/perl5/site_perl/5.6.0/i686-linux/auto/Apache/include/modules/perl -I/usr/local/lib/perl5/site_perl/5.6.0/i686-linux/auto/Apache/include/include -I/usr/local/lib/perl5/site_perl/5.6.0/i686-linux/auto/Apache/include/regex -I/usr/local/lib/perl5/site_perl/5.6.0/i686-linux/auto/Apache/include/os/unix -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O3 -DVERSION=\"0.04\" -DXS_VERSION=\"0.04\" -fpic -I/usr/local/lib/perl5/5.6.0/i686-linux/CORE DummyScoreboard.c In file included from DummyScoreboard.xs:2: /usr/local/lib/perl5/site_perl/5.6.0/i686-linux/auto/Apache/include/include/scoreboard.h:151: field `start_time' has incomplete type /usr/local/lib/perl5/site_perl/5.6.0/i686-linux/auto/Apache/include/include/scoreboard.h:152: field `stop_time' has incomplete type make[1]: *** [DummyScoreboard.o] Error 1 make[1]: Leaving directory `/usr/local/src/Apache-Scoreboard-0.10/Dummy' make: *** [subdirs] Error 2 /usr/local/src/Apache-Scoreboard-0.10 115 > I have seen posts about similar types of problems folks have experienced in the past, but have verified the above version numbers of related installs, and am under the impression this should work. Can anyone help shed some light on this?