diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4d0496b1..05921f7d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -91,6 +91,15 @@ if (UNIX)
 endif ()
 check_symbol_exists (cosl math.h HAVE_COSL)
 check_symbol_exists (sinl math.h HAVE_SINL)
+if (ENABLE_QUAD_PRECISION)
+  set(SAVE_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
+  set(CMAKE_REQUIRED_LIBRARIES "quadmath")
+  check_symbol_exists (sinq quadmath.h HAVE_QUADMATH)
+  set(CMAKE_REQUIRED_FLAGS "${SAVE_CMAKE_REQUIRED_FLAGS}")
+  if(NOT HAVE_QUADMATH)
+    MESSAGE(FATAL_ERROR "uad precision requires libquadmath for quad-precision trigonometric routines")
+  endif()
+endif()
 
 include (CheckTypeSize)
 check_type_size ("float" SIZEOF_FLOAT)
@@ -345,7 +354,9 @@ endif ()
 if (HAVE_LIBM)
   target_link_libraries (${fftw3_lib} m)
 endif ()
-
+if (ENABLE_QUAD_PRECISION)
+  target_link_libraries (${fftw3_lib} quadmath)
+endif()
 set (subtargets ${fftw3_lib})
 
 if (Threads_FOUND)