diff -Nur runtime.orig/cmake/LibompHandleFlags.cmake runtime/cmake/LibompHandleFlags.cmake
--- runtime.orig/cmake/LibompHandleFlags.cmake	2016-06-15 02:57:47.000000000 +0900
+++ runtime/cmake/LibompHandleFlags.cmake	2017-01-25 00:00:06.679470000 +0900
@@ -155,6 +155,9 @@
   if(${IA32})
     libomp_append(libflags_local -lirc_pic LIBOMP_HAVE_IRC_PIC_LIBRARY)
   endif()
+  IF(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
+    libomp_append(libflags_local "-Wl,--no-as-needed -lm")
+  ENDIF(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
   IF(${CMAKE_SYSTEM_NAME} MATCHES "NetBSD")
     libomp_append(libflags_local -lm)
   ENDIF(${CMAKE_SYSTEM_NAME} MATCHES "NetBSD")
diff -Nur runtime.orig/cmake/LibompMicroTests.cmake runtime/cmake/LibompMicroTests.cmake
--- runtime.orig/cmake/LibompMicroTests.cmake	2016-01-27 04:44:31.000000000 +0900
+++ runtime/cmake/LibompMicroTests.cmake	2017-01-25 00:00:06.679488000 +0900
@@ -171,7 +171,7 @@
 add_custom_target(libomp-test-deps DEPENDS test-deps/.success)
 set(libomp_expected_library_deps)
 if(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
-  set(libomp_expected_library_deps libc.so.7 libthr.so.3)
+  set(libomp_expected_library_deps libc.so.7 libthr.so.3 libm.so.5)
   libomp_append(libomp_expected_library_deps libhwloc.so.5 LIBOMP_USE_HWLOC)
 elseif(CMAKE_SYSTEM_NAME MATCHES "NetBSD")
   set(libomp_expected_library_deps libc.so.12 libpthread.so.1 libm.so.0)