Bug#820095: Bug: libgdk-pixbuf2.0-dev: Please relax dependency with

[Hideki Yamane]

 libpng12-dev
Message-Id: <20160405221346.eb3af34a06a4ca63c0c6a729 at debian.or.jp>
In-Reply-To: <20160405123810.GL7787 at rene-engelhard.de>
Organization: Debian JP Project
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On Tue, 5 Apr 2016 14:38:10 +0200 Rene Engelhard <rene at debian.org> wrote:
> No, this is wrong, and still would get the build failure.
> 
> The correct solution iy to make gdk-pixbuf mention libpng.pc in Requires,
> which would work for both 12 and 16.

$ apt-file search libpng.pc 
emscripten: /usr/share/emscripten/system/lib/pkgconfig/libpng.pc
libpng-dev: /usr/lib/x86_64-linux-gnu/pkgconfig/libpng.pc
libpng12-dev: /usr/lib/x86_64-linux-gnu/pkgconfig/libpng.pc

 Nice :) 
 Thanks for your suggestion, then how about this one? 

diff -urN gdk-pixbuf-2.33.2/debian/patches/libpng-dependency.patch gdk-pixbuf-2.33.2.patched/debian/patches/libpng-dependency.patch
--- gdk-pixbuf-2.33.2/debian/patches/libpng-dependency.patch	1970-01-01 09:00:00.000000000 +0900
+++ gdk-pixbuf-2.33.2.patched/debian/patches/libpng-dependency.patch	2016-04-05 21:49:19.673104358 +0900
@@ -0,0 +1,11 @@
+--- a/configure.ac
++++ b/configure.ac
+@@ -590,7 +590,7 @@
+ 
+ dnl Test for libpng
+   if test x$with_libpng != xno && test -z "$LIBPNG"; then
+-    for l in libpng16 libpng15 libpng14 libpng12 libpng13 libpng10; do
++    for l in libpng libpng16 libpng15 libpng14 libpng12 libpng13 libpng10; do
+       AC_MSG_CHECKING(for $l)
+       if $PKG_CONFIG --exists $l ; then
+         AC_MSG_RESULT(yes)
diff -urN gdk-pixbuf-2.33.2/debian/patches/series gdk-pixbuf-2.33.2.patched/debian/patches/series
--- gdk-pixbuf-2.33.2/debian/patches/series	1970-01-01 09:00:00.000000000 +0900
+++ gdk-pixbuf-2.33.2.patched/debian/patches/series	2016-04-05 21:47:53.564979401 +0900
@@ -0,0 +1 @@
+libpng-dependency.patch