description="A library for computing the discrete Fourier transform (DFT)"
url="http://www.fftw.org/"

packager="Great-OS Team"
maintainer="Great-OS Team"

name=fftw
version=3.3.10
release=6

source=(http://www.fftw.org/$name-$version.tar.gz)

prepare(){
  #fix wrong file name in FFTWLibraryDepends.cmake (Krita fails to compile)
  sed -e 's/3.6.9/3.6.10/' -i $name-$version/CMakeLists.txt

  #delete line for non-existent file
  sed '/FFTW3LibraryDepends.cmake/d' -i $name-$version/FFTW3Config.cmake.in

  cp -a $name-$version $name-$version-double
  cp -a $name-$version $name-$version-long-double
}

build() {

  CFLAGS+=" -O3 -fomit-frame-pointer -malign-double -fstrict-aliasing -ffast-math"
  CONFIGURE="./configure F77=gfortran --prefix=/usr \
    --enable-shared \
    --enable-threads \
    --enable-openmp"

  cd $name-$version-double
  $CONFIGURE --enable-sse2 --enable-avx
  
  make
  make DESTDIR=$PKG install


  cd ../$name-$version-long-double
  $CONFIGURE --enable-long-double

  make
  make DESTDIR=$PKG install


  cd ../$name-$version
  $CONFIGURE --enable-float --enable-sse --enable-avx

  make
  make DESTDIR=$PKG install

  find $PKG/usr/lib -name "*.la" -print -delete
}