diff --git a/libs/libfftw/libfftw-3.3.8-20200429.diff b/libs/libfftw/libfftw-3.3.8-20200429.diff
new file mode 100644
index 00000000..b535a8f4
--- /dev/null
+++ b/libs/libfftw/libfftw-3.3.8-20200429.diff
@@ -0,0 +1,16 @@
+diff -Nrub -x '*~' -x '*\.rej' -x '*\.orig' -x '*\.o' -x '*\.pyc' -x CMakeLists.txt.user fftw-3.3.8.orig/CMakeLists.txt fftw-3.3.8/CMakeLists.txt
+--- fftw-3.3.8.orig/CMakeLists.txt	2018-05-24 14:03:22.000000000 +0200
++++ fftw-3.3.8/CMakeLists.txt	2020-04-29 10:07:36.000000000 +0200
+@@ -412,6 +412,12 @@
+          DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
+          COMPONENT Development)
+ 
++install (FILES
++          ${CMAKE_CURRENT_BINARY_DIR}/fftw${PREC_SUFFIX}.pc
++         DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
++         RENAME fftw${PREC_SUFFIX}3.pc
++         COMPONENT Development)
++
+ # cmake file
+ set (FFTW3_LIBRARIES "FFTW3::${fftw3_lib}")
+ configure_file (FFTW3Config.cmake.in FFTW3${PREC_SUFFIX}Config.cmake @ONLY)
diff --git a/libs/libfftw/libfftw.py b/libs/libfftw/libfftw.py
index 3b3e4a3b..27815db7 100644
--- a/libs/libfftw/libfftw.py
+++ b/libs/libfftw/libfftw.py
@@ -1,33 +1,36 @@
 # -*- coding: utf-8 -*-
 import info
 
 
 class subinfo(info.infoclass):
     def setTargets(self):
         self.targets['3.3.8'] = 'http://www.fftw.org/fftw-3.3.8.tar.gz'
+        self.patchToApply["3.3.8"] = [("libfftw-3.3.8-20200429.diff", 1)]
         if CraftCore.compiler.isWindows:
-            self.patchToApply['3.3.8'] = ('libfftw-win32-aligned-malloc.patch', 0)
+            self.patchToApply['3.3.8'].append(('libfftw-win32-aligned-malloc.patch', 0))
         self.targetDigests['3.3.8'] = '59831bd4b2705381ee395e54aa6e0069b10c3626'
         self.targetInstSrc['3.3.8'] = "fftw-3.3.8"
+        self.patchLevel['3.3.8'] = 1
         self.description = "a C subroutine library for computing the discrete Fourier transform (DFT)"
 
         self.defaultTarget = '3.3.8'
 
     def setDependencies(self):
         self.buildDependencies["virtual/base"] = None
 
 
 from Package.CMakePackageBase import *
 
 
 class Package(CMakePackageBase):
     def __init__(self):
         CMakePackageBase.__init__(self)
         self.supportsNinja = False
         self.subinfo.options.configure.args += \
                 ' -DENABLE_SSE2=ON -DENABLE_AVX=OFF ' \
                 ' -DENABLE_THREADS=ON -DWITH_COMBINED_THREADS=ON '
         if CraftCore.compiler.isWindows:
             self.subinfo.options.configure.args += \
                 ' -DWITH_OUR_MALLOC=ON -DFFTW_ENABLE_ALLOCA=OFF ' \
                 ' -DWINDOWS_F77_MANGLING=ON '
+