$ make
/usr/sbin/apxs -lmemcache   -c mod_auth_memcookie.c
/usr/lib64/apr-1/build/libtool --silent --mode=compile gcc -prefer-pic -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -Wformat-security -fno-strict-aliasing  -DLINUX=2 -D_REENTRANT -D_GNU_SOURCE -pthread -I/usr/include/httpd  -I/usr/include/apr-1   -I/usr/include/apr-1   -c -o mod_auth_memcookie.lo mod_auth_memcookie.c && touch mod_auth_memcookie.slo
mod_auth_memcookie.c: In function ‘Auth_memCookie_get_session’:
mod_auth_memcookie.c:168: warning: implicit declaration of function ‘mc_new’
mod_auth_memcookie.c:168: warning: assignment makes pointer from integer without a cast
mod_auth_memcookie.c:181: warning: implicit declaration of function ‘mc_server_add4’
mod_auth_memcookie.c:181: error: ‘mc_const’ undeclared (first use in this function)
mod_auth_memcookie.c:181: error: (Each undeclared identifier is reported only once
mod_auth_memcookie.c:181: error: for each function it appears in.)
mod_auth_memcookie.c:181: error: expected ‘)’ before ‘char’
mod_auth_memcookie.c:181: error: expected ‘)’ before ‘szServer’
mod_auth_memcookie.c:189: warning: implicit declaration of function ‘mc_aget2’
mod_auth_memcookie.c:189: warning: cast to pointer from integer of different size
mod_auth_memcookie.c:236: warning: implicit declaration of function ‘mc_set’
mod_auth_memcookie.c:246: warning: implicit declaration of function ‘mc_free’
apxs:Error: Command failed with rc=65536
.
make: *** [mod_auth_memcookie.la] Error 1