+diff -uNr fftw-3.3.6-pl1/api/import-system-wisdom.c fftw-3.3.6-pl1.mod/api/import-system-wisdom.c
+--- fftw-3.3.6-pl1/api/import-system-wisdom.c 2017-01-15 14:03:24.000000000 +0200
++++ fftw-3.3.6-pl1.mod/api/import-system-wisdom.c 2017-09-12 11:20:08.432992283 +0300
+@@ -32,7 +32,7 @@
+ #if defined(__DJGPP__)
+ # define WISDOM_DIR "/dev/env/DJDIR/etc/fftw/"
+ #else
+-# define WISDOM_DIR "/etc/fftw/"
++# define WISDOM_DIR "@TERMUX_PREFIX@/etc/fftw/"
+ #endif
+
+ int X(import_system_wisdom)(void)