libpng15 + dev respin

[Dagobert Michelsen]

Hi Laurent,

> Am 20.05.2015 um 21:25 schrieb Laurent Blume <laurent at opencsw.org>:
> 
> Hello,
> 
> The ball has been tackled a bit further, but that rabbit hole is deep.
> That one is for Rafi.
> 
> Symptom:
> In file included from coders/pango.c:71:0:
> /opt/csw/include/pango-1.0/pango/pangocairo.h:26:19: fatal error: cairo.h: No such file or directory
> #include <cairo.h>
> 
> The configure script called:
> $ /opt/csw/bin/pkg-config --cflags "cairo-svg"
> sh: gnome-config: introuvable
> Package libpng was not found in the pkg-config search path.
> Perhaps you should add the directory containing `libpng.pc'
> to the PKG_CONFIG_PATH environment variable
> Package 'libpng', required by 'cairo', not found
> 
> The cause is in cairo.pc:
> Requires.private:   gobject-2.0 glib-2.0      pixman-1 >= 0.16.0 fontconfig >= 2.2.95 freetype2 >= 9.7.3   libpng xrender >= 0.6 x11 xext
> 
> It has to be modified in the cairo_dev package to match the library used, eg it should be «libpng15» here (so it picks up libpng15.pc).

Wouldn’t it be better to have the latest CSWlibpng16-dev provide a symlink?
  /opt/csw/lib/pkgconfig/libpng.pc -> libpng16.pc

The import of the unversioned pkgconfig-file seems to have happened some time ago.
Probably some configure-scripts still contain the search for libpng.pc only?


Best regards

  — Dago

-- 
"You don't become great by trying to be great, you become great by wanting to do something,
and then doing it so hard that you become great in the process." - xkcd #896

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