[Users] [svn:cactuscode] FFTW3/trunk/ (Rev. 22)

[Erik Schnetter]

A general note:

We do not want to run the auto-detection when *_DIR is NO_BUILD. To run the
auto-detection, leave this variable blank. NO_BUILD is reserved for cases
where the library is known to be found by means opaque to the configure
script (e.g. MPI that is always present on Crays).

There was a discussion about this in Trac, and we initially and erroneously
agreed that running the auto-detection would be a good idea. It turns out
it wasn't (it broke the build on several systems), and thus we reverted
this change.

-erik


On Mon, Apr 22, 2013 at 10:46 AM, <knarf at cct.lsu.edu> wrote:

> User: knarf
> Date: 2013/04/22 09:46 AM
>
> Modified:
>  /trunk/
>   configure.sh
>
> Log:
>  make configure look harder for installed fftw3
>
> File Changes:
>
> Directory: /trunk/
> ==================
>
> File [modified]: configure.sh
> Delta lines: +31 -10
> ===================================================================
> --- trunk/configure.sh  2013-04-10 15:13:01 UTC (rev 21)
> +++ trunk/configure.sh  2013-04-22 14:46:28 UTC (rev 22)
> @@ -11,31 +11,52 @@
>  set -e                          # Abort on errors
>
>
> -
>
>  ################################################################################
>  # Search
>
>  ################################################################################
>
> -if [ -z "${FFTW3_DIR}" ]; then
> +if [ -z "${FFTW3_DIR}" \
> +     -o "$(echo "${FFTW3_DIR}" | tr '[a-z]' '[A-Z]')" = 'NO_BUILD' ]
> +then
>      echo "BEGIN MESSAGE"
>      echo "FFTW3 selected, but FFTW3_DIR not set. Checking some places..."
>      echo "END MESSAGE"
> -
> -    FILES="include/fftw3.h"
> -    DIRS="/usr /usr/local /usr/local/fftw3 /usr/local/packages/fftw3
> /usr/local/apps/fftw3 ${HOME} c:/packages/fftw3"
> +
> +    DIRS="/usr /usr/local /usr/local/packages /usr/local/apps /opt/local
> ${HOME} c:/packages"
>      for dir in $DIRS; do
> -        FFTW3_DIR="$dir"
> -        for file in $FILES; do
> -            if [ ! -r "$dir/$file" ]; then
> -                unset FFTW3_DIR
> +      DIRS="$DIRS $dir/fftw3"
> +    done
> +    for dir in $DIRS; do
> +        # libraries might have different file extensions
> +        for libext in a so dylib; do
> +            # libraries can be in /lib or /lib64
> +            for libdir in lib64 lib/x86_64-linux-gnu lib
> lib/i386-linux-gnu; do
> +                FILES="include/fftw3.h $libdir/libfftw3.$libext"
> +                # assume this is the one and check all needed files
> +                FFTW3_DIR="$dir"
> +                for file in $FILES; do
> +                    # discard this directory if one file was not found
> +                    if [ ! -r "$dir/$file" ]; then
> +                        unset FFTW3_DIR
> +                        break
> +                    fi
> +                done
> +                # don't look further if all files have been found
> +                if [ -n "$FFTW3_DIR" ]; then
> +                    break
> +                fi
> +            done
> +            # don't look further if all files have been found
> +            if [ -n "$FFTW3_DIR" ]; then
>                  break
>              fi
>          done
> +        # don't look further if all files have been found
>          if [ -n "$FFTW3_DIR" ]; then
>              break
>          fi
>      done
> -
> +
>      if [ -z "$FFTW3_DIR" ]; then
>          echo "BEGIN MESSAGE"
>          echo "FFTW3 not found"
>
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>



-- 
Erik Schnetter <schnetter at cct.lsu.edu>
http://www.perimeterinstitute.ca/personal/eschnetter/
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