68 lines
1.3 KiB
Plaintext
68 lines
1.3 KiB
Plaintext
# Description: C subroutine library for computing discrete Fourier transform.
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# URL: https://www.fftw.org/
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# Maintainer: Danny Rawlins, crux at romster dot me
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# Depends on: gcc-fortran
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name=fftw
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version=3.3.10
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release=1
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source=(https://www.fftw.org/$name-$version.tar.gz)
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build() {
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cd $name-$version
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# libtool fails to link with ccache in the path
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[ -e '/usr/bin/ccache' ] && PATH=$(echo ${PATH} | awk -v RS=: -v ORS=: '/ccache/ {next} {print}' | sed 's/:*$//')
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local config="
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F77=gfortran
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--prefix=/usr
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--enable-threads
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--enable-shared
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--enable-openmp"
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# use upstream default CFLAGS while keeping our -march/-mtune
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CFLAGS+=" -O3 -fomit-frame-pointer -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -fPIC -mavx2"
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# compiling single precision library
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./configure \
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$config \
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--enable-single \
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--enable-sse \
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--enable-avx
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make
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make DESTDIR=$PKG install
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make clean
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# compiling double precision library
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./configure \
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$config \
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--enable-sse2 \
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--enable-avx
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make
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make DESTDIR=$PKG install
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make clean
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# compiling long double precision library
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./configure \
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$config \
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--enable-long-double
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make
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make DESTDIR=$PKG install
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make clean
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# compiling quad precision library
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./configure \
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$config \
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--enable-quad-precision
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make
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make DESTDIR=$PKG install
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# clean up
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rm -r $PKG/usr/share/info
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}
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