CMake: set LIBVNCSERVER_HAVE_FORK in rfbconfig.h if fork() found

CMakeLists.txt

@@ -152,6 +152,7 @@ check_function_exists(gettimeofday    LIBVNCSERVER_HAVE_GETTIMEOFDAY)
 check_function_exists(vfork           LIBVNCSERVER_HAVE_VFORK)
 check_function_exists(vprintf         LIBVNCSERVER_HAVE_VPRINTF)
 check_function_exists(mmap            LIBVNCSERVER_HAVE_MMAP)
+check_function_exists(fork            LIBVNCSERVER_HAVE_FORK)
 
 
 # On systems such as GNU/Linux with glibc, __b64_ntop is defined in a

rfb/rfbconfig.h.cmake

@@ -75,6 +75,9 @@
 /* Define to 1 if `mmap' exists. */
 #cmakedefine LIBVNCSERVER_HAVE_MMAP  1 
 
+/* Define to 1 if `fork' exists. */
+#cmakedefine LIBVNCSERVER_HAVE_FORK  1 
+
 /* Define to 1 if you have the <ws2tcpip.h> header file. */
 #cmakedefine LIBVNCSERVER_HAVE_WS2TCPIP_H  1