[Reproduce-devel] [bug #56588] FFTW not building single-precision float

[Mohammad Akhlaghi]

URL:
  <https://savannah.nongnu.org/bugs/?56588>

                 Summary: FFTW not building single-precision float
                 Project: Reproducible paper template
            Submitted by: makhlaghi
            Submitted on: Sun 07 Jul 2019 05:02:37 PM BST
                Category: Software
                Severity: 3 - Normal
              Item Group: Output not reasonable
                  Status: In Progress
                 Privacy: Public
             Assigned to: makhlaghi
             Open/Closed: Open
         Discussion Lock: Any

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Details:

On the computers of Zahra Sharbaf and Hamed Altafi, we noticed that
SExtractor's build was complaining about not having a single-precision FFTW
library! This was confusing because it was being installed with no problem on
other systems so far.

After checking on my own computer (with `ldd .local/bin/sex'), I noticed that
it was actually building with the single precision FFTW library (libfftw3f) of
my host system (in `/usr/lib'), not the pipeline's build.

After inspecting ArchLinux's build of FFTW
<https://git.archlinux.org/svntogit/packages.git/tree/trunk/PKGBUILD?h=packages/fftw>,
I noticed that they are using the `--enable-float' configure option, not
`--enable-single' that we are using. In the output of `./configure --help', it
says these two are the same, so we were using the latter. However, after using
the former, we now have `libfftw3f' in the pipeline and so SExtractor links
with it. 

I am now busy finalizing the fix now.




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