* add backend.[ch] to main binary

src/CMakeLists.txt

@@ -1,8 +1,9 @@
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
-set(SOURCES "main.c" "logfile.c" "log.c" "matches.c" "ipaddr.c" "filelist.c" "regexps_posix.c" "config.c" "jail.c")
+set(SOURCES "main.c" "logfile.c" "log.c" "matches.c" "ipaddr.c" "filelist.c" "regexps_posix.c" "config.c" "jail.c" "backend.c")
 
 add_executable(f2b ${SOURCES})
+target_link_libraries(f2b "dl")
 
 install(TARGETS f2b
         RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}/bin")

src/common.h

@@ -4,6 +4,7 @@
 #include <alloca.h>
 #include <assert.h>
 #include <ctype.h>
+#include <dlfcn.h>
 #include <errno.h>
 #include <limits.h>
 #include <stdio.h>

src/main.c

@@ -4,6 +4,7 @@
 #include "regexps.h"
 #include "config.h"
 #include "jail.h"
+#include "backend.h"
 
 int main() {
     printf("Hello world!\n");