Use of uninitialized value in scalar chomp at Makefile.PL line 39.
Use of uninitialized value in string eq at Makefile.PL line 40.
+ set -a 
./build-apache-moddav: syntax error at line 12: `INSTALL_ROOT=${INSTALL_ROOT:-$' unexpected
Looking for Apache with mod_perl and mod_dav in HTTPD_DIR...

I couldn't find Apache!

Would you like me to build Apache for you? [Yn] OK, building Apache using src/build-apache-moddav...

Apache build failed! Please try again.
make: *** No targets specified and no makefile found.  Stop.