flatten 20260225

resources/packages/fftw/prepare

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+set -x
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+mkdir -p sdk/include
+
+LIB=fftw
+
+mkdir $LIB
+pushd $LIB
+
+  wget https://www.fftw.org/fftw-3.3.10.tar.gz
+  tar xf fftw-3.3.10.tar.gz
+  ln -s fftw*/ fftw
+
+  pushd fftw
+    here="$(pwd)"
+    mkdir build
+    ./configure --prefix=$here/build --enable-float
+    make
+    make install
+  popd
+
+popd
+
+pushd sdk/include
+  rm fftw
+  ln -fs ../../$LIB/fftw/build/include fftw
+popd
+
+pushd sdk/lib
+  for d in */
+  do
+    cp ../../$LIB/fftw/build/lib/*.a $d
+  done
+popd
+
+