diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1ec1f627e..06f3517b3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -224,6 +224,8 @@ include_directories(${PROJECT_BINARY_DIR}/src/Include)
 
 add_definitions(-DHAVE_CONFIG_H)
 
+check_function_exists(mkfifo HAVE_MKFIFO)
+
 # configure a header file to pass some of the CMake settings
 # to the source code
 configure_file (
diff --git a/src/Include/config_cmake.h.in b/src/Include/config_cmake.h.in
index 047717038..721253db8 100644
--- a/src/Include/config_cmake.h.in
+++ b/src/Include/config_cmake.h.in
@@ -19,6 +19,7 @@
 #cmakedefine HAVE_SYS_TIME_H
 #cmakedefine HAVE_WINDOWS_H
 #cmakedefine HAVE_CULLSETTINGS_CLEAR_MASK
+#cmakedefine HAVE_MKFIFO
 
 #define VERSION "@FLIGHTGEAR_VERSION@"