diff --git a/freeglut/freeglut/CMakeLists.txt b/freeglut/freeglut/CMakeLists.txt
index 2c80756..95eee54 100644
--- a/freeglut/freeglut/CMakeLists.txt
+++ b/freeglut/freeglut/CMakeLists.txt
@@ -107,6 +107,7 @@ if(UNIX)
 ENDIF()
 
 INCLUDE(CheckIncludeFiles)
+INCLUDE(CheckFunctionExists)
 CHECK_INCLUDE_FILES(sys/types.h HAVE_SYS_TYPES_H)
 CHECK_INCLUDE_FILES(unistd.h 	HAVE_UNISTD_H)
 CHECK_INCLUDE_FILES(sys/time.h 	HAVE_SYS_TIME_H)
@@ -116,6 +117,7 @@ CHECK_INCLUDE_FILES(sys/ioctl.h HAVE_SYS_IOCTL_H)
 CHECK_INCLUDE_FILES(fcntl.h 	HAVE_FCNTL_H)
 CHECK_INCLUDE_FILES(errno.h 	HAVE_ERRNO_H)
 CHECK_INCLUDE_FILES(usbhid.h 	HAVE_USBHID_H)
+CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY)
 
 # The generated config.h is placed in the project's build directory, just to
 # ensure that all CMake-generated files are kept away from the main source tree.
diff --git a/freeglut/freeglut/config.h.in b/freeglut/freeglut/config.h.in
index e85a56d..fe14591 100644
--- a/freeglut/freeglut/config.h.in
+++ b/freeglut/freeglut/config.h.in
@@ -9,3 +9,4 @@
 #cmakedefine HAVE_FCNTL_H
 #cmakedefine HAVE_ERRNO_H
 #cmakedefine HAVE_USBHID_H
+#cmakedefine HAVE_GETTIMEOFDAY
\ No newline at end of file
diff --git a/freeglut/freeglut/src/x11/freeglut_main_x11.c b/freeglut/freeglut/src/x11/freeglut_main_x11.c
index eeb1288..33553e3 100644
--- a/freeglut/freeglut/src/x11/freeglut_main_x11.c
+++ b/freeglut/freeglut/src/x11/freeglut_main_x11.c
@@ -91,7 +91,7 @@ void fgPlatformDisplayWindow ( SFG_Window *window )
 
 unsigned long fgPlatformSystemTime ( void )
 {
-#if TARGET_HOST_SOLARIS || HAVE_GETTIMEOFDAY
+#ifdef HAVE_GETTIMEOFDAY
     struct timeval now;
     gettimeofday( &now, NULL );
     return now.tv_usec/1000 + now.tv_sec*1000;