title: Error during make install of opensips cachedb_redis on RedHat
body: <p>I am facing error while make install of opensips.</p>
  
  <p>please help me resolve this. I already installed Redis and freeradius.</p>
  
  <pre><code>make[1]: Entering directory `/usr/local/src/opensips-1.9.0-tls/modules/aaa_radius'
  make[1]: Leaving directory `/usr/local/src/opensips-1.9.0-tls/modules/aaa_radius'
  make[1]: Entering directory `/usr/local/src/opensips-1.9.0-tls/modules/aaa_radius'
  Compiling aaa_radius.c
  Compiling rad.c
  Linking aaa_radius.so
  make[1]: Leaving directory `/usr/local/src/opensips-1.9.0-tls/modules/aaa_radius'
  
  
  make[1]: Entering directory `/usr/local/src/opensips-1.9.0-tls/modules/cachedb_redis'
  make[1]: Leaving directory `/usr/local/src/opensips-1.9.0-tls/modules/cachedb_redis'
  make[1]: Entering directory `/usr/local/src/opensips-1.9.0-tls/modules/cachedb_redis'
  Compiling cachedb_redis.c
  In file included from cachedb_redis.c:41:
  cachedb_redis_dbase.h:29:29: error: hiredis/hiredis.h: No such file or directory
  In file included from cachedb_redis.c:41:
  cachedb_redis_dbase.h:38: error: expected specifier-qualifier-list before ‘redisContext’
  make[1]: *** [cachedb_redis.o] Error 1
  make[1]: Leaving directory `/usr/local/src/opensips-1.9.0-tls/modules/cachedb_redis'
  make: *** [modules] Error 2
  </code></pre>