* add WITH_MCAST build option

CMakeLists.txt

@@ -10,7 +10,8 @@ option(WITH_CLIENT    "Simple client for configuring daemon" ON)
 option(WITH_CSOCKET   "Unix control socket support for daemon" ON)
 option(WITH_HARDENING "Enable hardening options" ON)
 option(WITH_PCRE      "Build pcre-compatible filter" ON)
-option(WITH_REDIS     "Build redis backend" OFF)
+option(WITH_REDIS     "Build redis source/backend" OFF)
+option(WITH_MCAST     "Build mcast source/backend" OFF)
 
 if (NOT DEFINED CMAKE_INSTALL_PREFIX)
   set(CMAKE_INSTALL_PREFIX "/usr")
@@ -50,6 +51,7 @@ message(STATUS "- WITH_CSOCKET   : ${WITH_CSOCKET}")
 message(STATUS "- WITH_HARDENING : ${WITH_HARDENING}")
 message(STATUS "- WITH_PCRE      : ${WITH_PCRE}")
 message(STATUS "- WITH_REDIS     : ${WITH_REDIS}")
+message(STATUS "- WITH_MCAST     : ${WITH_MCAST}")
 message(STATUS "Components:")
 
 add_subdirectory(src)

src/backends/CMakeLists.txt

@@ -4,8 +4,10 @@ set(BACKENDS "")
 add_library("f2b_backend_exec" MODULE "exec.c" "../strlcpy.c")
 list(APPEND BACKENDS "f2b_backend_exec")
 
-add_library("f2b_backend_mcast" MODULE "mcast.c" "../strlcpy.c"
-  "../commands.c" "../cmsg.c" "../csocket.c")
+if (WITH_MCAST)
+  add_library("f2b_backend_mcast" MODULE "mcast.c" "../strlcpy.c"
+    "../commands.c" "../cmsg.c" "../csocket.c")
+endif ()
 
 find_library(REDIS_FOUND "hiredis")
 if (WITH_REDIS AND REDIS_FOUND)

src/sources/CMakeLists.txt

@@ -7,9 +7,11 @@ list(APPEND SOURCES "f2b_source_files")
 add_library("f2b_source_portknock" MODULE "portknock.c" "../strlcpy.c")
 list(APPEND SOURCES "f2b_source_portknock")
 
-add_library("f2b_source_mcast" MODULE "mcast.c" "../strlcpy.c"
-  "../commands.c" "../cmsg.c" "../csocket.c")
-list(APPEND SOURCES "f2b_source_mcast")
+if (WITH_MCAST)
+  add_library("f2b_source_mcast" MODULE "mcast.c" "../strlcpy.c"
+    "../commands.c" "../cmsg.c" "../csocket.c")
+  list(APPEND SOURCES "f2b_source_mcast")
+endif ()
 
 find_library(REDIS_FOUND "hiredis")
 if (WITH_REDIS AND REDIS_FOUND)