build package fftw for all available precisions

src/fftw.mk

@@ -25,7 +25,26 @@ define $(PKG)_BUILD
         --host='$(TARGET)' \
         --disable-shared \
         --prefix='$(PREFIX)/$(TARGET)' \
-        --enable-threads
+        --enable-threads \
+        --enable-double
+    $(MAKE) -C '$(1)' -j '$(JOBS)' bin_PROGRAMS= sbin_PROGRAMS= noinst_PROGRAMS=
+    $(MAKE) -C '$(1)' -j 1 install bin_PROGRAMS= sbin_PROGRAMS= noinst_PROGRAMS=
+
+    cd '$(1)' && ./configure \
+        --host='$(TARGET)' \
+        --disable-shared \
+        --prefix='$(PREFIX)/$(TARGET)' \
+        --enable-threads \
+        --enable-long-double
+    $(MAKE) -C '$(1)' -j '$(JOBS)' bin_PROGRAMS= sbin_PROGRAMS= noinst_PROGRAMS=
+    $(MAKE) -C '$(1)' -j 1 install bin_PROGRAMS= sbin_PROGRAMS= noinst_PROGRAMS=
+
+    cd '$(1)' && ./configure \
+        --host='$(TARGET)' \
+        --disable-shared \
+        --prefix='$(PREFIX)/$(TARGET)' \
+        --enable-threads \
+        --enable-float
     $(MAKE) -C '$(1)' -j '$(JOBS)' bin_PROGRAMS= sbin_PROGRAMS= noinst_PROGRAMS=
     $(MAKE) -C '$(1)' -j 1 install bin_PROGRAMS= sbin_PROGRAMS= noinst_PROGRAMS=
 endef