[Buildroot] [PATCH 1/1] fftwf: Add fftwf package for single precision fft

Spenser Gilliland spenser at gillilanding.com
Thu Apr 11 14:21:54 UTC 2013


Please ignore.  A working patch will be sent soon.

On Wed, Apr 10, 2013 at 11:23 PM, Spenser Gilliland
<spenser at gillilanding.com> wrote:
> From: Spenser Gilliland <Spenser309 at gmail.com>
>
> The current fftw package only produces double precision floating point
> libraries.  This package recompiles the library for single precision and
> uses the neon extensions if available.
>
> Signed-off-by: Spenser Gilliland <Spenser309 at gmail.com>
> ---
>  package/Config.in       |    1 +
>  package/fftwf/Config.in |   14 ++++++++++++++
>  package/fftwf/fftwf.mk  |   19 +++++++++++++++++++
>  3 files changed, 34 insertions(+)
>  create mode 100644 package/fftwf/Config.in
>  create mode 100644 package/fftwf/fftwf.mk
>
> diff --git a/package/Config.in b/package/Config.in
> index 69d87f0..b1bbfea 100644
> --- a/package/Config.in
> +++ b/package/Config.in
> @@ -550,6 +550,7 @@ source "package/libcofi/Config.in"
>  source "package/classpath/Config.in"
>  source "package/elfutils/Config.in"
>  source "package/fftw/Config.in"
> +source "package/fftw/Config.in"
>  source "package/libargtable2/Config.in"
>  source "package/argp-standalone/Config.in"
>  source "package/boost/Config.in"
> diff --git a/package/fftwf/Config.in b/package/fftwf/Config.in
> new file mode 100644
> index 0000000..243be02
> --- /dev/null
> +++ b/package/fftwf/Config.in
> @@ -0,0 +1,14 @@
> +config BR2_PACKAGE_FFTWF
> +       bool "fftwf"
> +       depends on BR2_PACKAGE_FFTW
> +       help
> +         Library for computing Fast Fourier Transforms using the ARM Neon
> +         instruction set.
> +
> +         This library computes Fast Fourier Transforms (FFT) in one
> +         or more dimensions.  It is extremely fast. This package
> +         contains the shared library version of the fftw libraries in
> +         single precision.
> +
> +         http://www.fftw.org
> +
> diff --git a/package/fftwf/fftwf.mk b/package/fftwf/fftwf.mk
> new file mode 100644
> index 0000000..b798244
> --- /dev/null
> +++ b/package/fftwf/fftwf.mk
> @@ -0,0 +1,19 @@
> +################################################################################
> +#
> +# fftwf
> +#
> +################################################################################
> +
> +FFTWF_VERSION = $(FFTW_VERSION)
> +FFTWF_SITE = $(FFTW_SITE)
> +FFTWF_SOURCE = fftw-$(FFTWF_VERSION).tar.gz
> +FFTWF_INSTALL_STAGING = YES
> +
> +ifeq ($(BR2_ARM_ENABLE_NEON),y)
> +FFTWF_CONF_OPT = --enable-single --enable-neon
> +else
> +FFTWF_CONF_OPT = --enable-single
> +endif
> +
> +$(eval $(autotools-package))
> +
> --
> 1.7.9.5
>



-- 
Spenser Gilliland
Computer Engineer
Doctoral Candidate



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