#16368: Build of libm4ri autodetects system libpng instead of sage libpng
----------------------------------------+------------------------
       Reporter:  stephen               |        Owner:
           Type:  defect                |       Status:  new
       Priority:  critical              |    Milestone:  sage-6.3
      Component:  build                 |   Resolution:
       Keywords:  pkg-config pkgconfig  |    Merged in:
        Authors:                        |    Reviewers:
Report Upstream:  N/A                   |  Work issues:
         Branch:                        |       Commit:
   Dependencies:                        |     Stopgaps:
----------------------------------------+------------------------
Changes (by leif):

 * keywords:   => pkg-config pkgconfig
 * priority:  major => critical
 * component:  porting: BSD => build


Old description:

> When building sage-6.2 under FreeBSD, the configure script in libm4ri
> links to the system libpng rather than the sage libpng.  If the system
> libpng is a different version (e.g. in FreeBSD it is version 1.5 instead
> of 1.2), then many of the tests fail.
>
> It can be fixed by this simple patch, which tells the configure script
> where to find libpng.pc.
>
> {{{
> --- build/pkgs/libm4ri/spkg-install-orig        2014-05-16
> 18:34:53.000000000 +0000
> +++ build/pkgs/libm4ri/spkg-install     2014-05-16 18:48:25.000000000
> +0000
> @@ -54,6 +54,7 @@
>
>  cd $ROOT_DIR/src/
>
> +env PKG_CONFIG_LIBDIR=$SAGE_LOCAL/lib/pkgconfig \
>  ./configure --prefix="$SAGE_LOCAL" --libdir="$SAGE_LOCAL/lib"
> $ENABLE_DEBUG $DISABLE_SSE2
>
>  if [ $? -ne 0 ]; then
> }}}

New description:

 When building sage-6.2 under FreeBSD, the configure script in libm4ri
 links to the system libpng rather than the sage libpng.  If the system
 libpng is a different version (e.g. in FreeBSD it is version 1.5 instead
 of 1.2), then many of the tests fail.

 It can be fixed by this simple patch, which tells the configure script
 where to find libpng.pc.

 {{{
 #!patch
 --- build/pkgs/libm4ri/spkg-install        2014-05-16 18:34:53.000000000
 +0000
 +++ build/pkgs/libm4ri/spkg-install     2014-05-16 18:48:25.000000000
 +0000
 @@ -54,6 +54,7 @@

  cd $ROOT_DIR/src/

 +env PKG_CONFIG_LIBDIR=$SAGE_LOCAL/lib/pkgconfig \
  ./configure --prefix="$SAGE_LOCAL" --libdir="$SAGE_LOCAL/lib"
 $ENABLE_DEBUG $DISABLE_SSE2

  if [ $? -ne 0 ]; then
 }}}

--

--
Ticket URL: <http://trac.sagemath.org/ticket/16368#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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