svn merge --reintegrate ^/nixpkgs/branches/libpng15

svn path=/nixpkgs/trunk/; revision=32759
This commit is contained in:
Yury G. Kudryashov 2012-03-04 11:06:51 +00:00
commit 9c2c4e3af3
18 changed files with 367 additions and 34 deletions

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@ -1,4 +1,4 @@
{stdenv, fetchurl, x11, libjpeg, libpng, libXmu, freetype, pam}:
{stdenv, fetchurl, x11, libjpeg, libpng12, libXmu, freetype, pam}:
stdenv.mkDerivation rec {
name = "slim-1.3.2";
@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
./pam2.patch
];
buildInputs = [x11 libjpeg libpng libXmu freetype pam];
buildInputs = [x11 libjpeg libpng12 libXmu freetype pam];
NIX_CFLAGS_COMPILE = "-I${freetype}/include/freetype2";

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@ -1,4 +1,4 @@
{stdenv, fetchurl, pkgconfig, xlibs, xineLib, libpng, readline, ncurses, curl
{stdenv, fetchurl, pkgconfig, xlibs, xineLib, libpng12, readline, ncurses, curl
, lirc, xz, shared_mime_info }:
stdenv.mkDerivation rec {
@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
buildNativeInputs = [ xz pkgconfig shared_mime_info ];
buildInputs =
[ xineLib libpng readline ncurses curl lirc
[ xineLib libpng12 readline ncurses curl lirc
xlibs.xlibs xlibs.libXext xlibs.libXv xlibs.libXxf86vm xlibs.libXtst xlibs.inputproto
xlibs.libXinerama xlibs.libXi xlibs.libXft
];

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@ -1,5 +1,5 @@
{ stdenv, fetchurl, xlibs, zlib, perl, qt3, openssl, pcre
, pkgconfig, libjpeg, libpng, libtiff, libxml2, libxslt, libtool, expat
, pkgconfig, libtiff, libxml2, libxslt, libtool, expat
, freetype, bzip2, cups, attr, acl
}:
@ -22,10 +22,8 @@ stdenv.mkDerivation {
./kdelibs-3.5.10-openssl_1.0.0.patch
];
passthru = {inherit openssl libjpeg qt3; inherit (xlibs) libX11;};
buildInputs = [
zlib perl qt3 openssl pcre pkgconfig libjpeg libpng libtiff libxml2
zlib perl qt3 openssl pcre pkgconfig libtiff libxml2
libxslt expat libtool freetype bzip2 cups
xlibs.libX11 xlibs.libXt xlibs.libXext xlibs.libXrender xlibs.libXft
];
@ -45,7 +43,6 @@ stdenv.mkDerivation {
configureFlags = ''
--without-arts
--with-ssl-dir=${openssl}
--with-extra-includes=${libjpeg}/include
--x-includes=${xlibs.libX11}/include
--x-libraries=${xlibs.libX11}/lib
'';

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@ -1,18 +1,28 @@
{ stdenv, fetchurl, SDL, libpng, libjpeg, libtiff, libungif, libXpm }:
{ stdenv, fetchhg, SDL, libpng, libjpeg, libtiff, libungif, libXpm, automake,
autoconf, pkgconfig }:
stdenv.mkDerivation rec {
pname = "SDL_image";
version = "1.2.10";
version = "1.2.10-20110925";
name = "${pname}-${version}";
src = fetchurl {
url = "http://www.libsdl.org/projects/${pname}/release/${name}.tar.gz";
sha256 = "0xhqw56xgc0rn3ziccirib8ai2whbbidjmvig527n9znjlg5vq3m";
src = fetchhg {
url = http://hg.libsdl.org/SDL_image;
tag = "bb611e7cb1e5";
sha256 = "0003inlvvmlc2fyrzy01lwhhfb90ppsar2skaa7x6rhmpc71dakz";
};
buildInputs = [SDL libpng libjpeg libtiff libungif libXpm];
buildNativeInputs = [ automake autoconf pkgconfig ];
patches = [ ./jpeg-linux.diff ];
preConfigure = ''
./autogen.sh
'';
postInstall = ''
sed -i -e 's,"SDL.h",<SDL/SDL.h>,' \
-e 's,"SDL_version.h",<SDL/SDL_version.h>,' \

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@ -0,0 +1,21 @@
# HG changeset patch
# User Yury G. Kudryashov <urkud@ya.ru>
# Date 1316994786 -14400
# Node ID 4c3cd9a4b0602c45c11ec62bcc1f5562ea071d70
# Parent bb611e7cb1e58cc37a6773a22a15c74b55e3d267
Fix compilation on Linux
Submitted upstream, see http://bugzilla.libsdl.org/show_bug.cgi?id=1179
diff -r bb611e7cb1e5 -r 4c3cd9a4b060 IMG_jpg.c
--- a/IMG_jpg.c Thu Aug 25 02:24:35 2011 -0400
+++ b/IMG_jpg.c Mon Sep 26 03:53:06 2011 +0400
@@ -34,7 +34,7 @@
#include <jpeglib.h>
-#if JPEG_LIB_VERSION >= 80
+#ifdef JPEG_TRUE /* MinGW version of jpeg-8.x renamed TRUE to JPEG_TRUE etc. */
typedef JPEG_boolean boolean;
#define TRUE JPEG_TRUE
#define FALSE JPEG_FALSE

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@ -1,4 +1,4 @@
{ stdenv, fetchurl, zlib, libpng }:
{ stdenv, fetchurl, zlib, libpng, patchutils }:
stdenv.mkDerivation {
name = "libharu-2.2.1";
@ -12,6 +12,26 @@ stdenv.mkDerivation {
buildInputs = [ zlib libpng ];
patches =
[ (stdenv.mkDerivation {
name = "linpng15.patch";
src = fetchurl {
url = https://github.com/tony2001/libharu/commit/e5bf8b01f6c3d5e3fe0e26ac5345e0da10c03934.diff;
sha256 = "1993vskpycyr43rwdp8f688fc5zvllrqq935r7rhsgbqbipkk73h";
};
buildNativeInputs = [ patchutils ];
buildCommand = "filterdiff -x '*/CHANGES' $src > $out";
})
(fetchurl {
url = https://github.com/tony2001/libharu/commit/b472b64ab44d834eb29d237f31bf12396fee9aca.diff;
name = "endless-loop.patch";
sha256 = "1c95mn6a5wddznqgrsaf3xsh27lz8q0pzc0a7ampxpscq0w6c9fq";
})
];
meta = {
description = "Cross platform, open source library for generating PDF files";
homepage = http://libharu.org/wiki/Main_Page;

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@ -0,0 +1,24 @@
{ stdenv, fetchurl, zlib, xz }:
assert zlib != null;
stdenv.mkDerivation rec {
name = "libpng-1.2.47";
src = fetchurl {
url = "mirror://sourceforge/libpng/${name}.tar.xz";
sha256 = "1lai3dnzw81y40jr17bdj1qh08hwv9mc1v74yybl7jdx2hiilsvx";
};
propagatedBuildInputs = [ zlib ];
buildNativeInputs = [ xz ];
passthru = { inherit zlib; };
meta = {
description = "The official reference implementation for the PNG file format";
homepage = http://www.libpng.org/pub/png/libpng.html;
license = "free-non-copyleft"; # http://www.libpng.org/pub/png/src/libpng-LICENSE.txt
};
}

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@ -2,13 +2,12 @@
assert zlib != null;
# If you want to upgrade libpng, look at libpng15 branch
stdenv.mkDerivation rec {
name = "libpng-1.2.47";
name = "libpng-1.5.9";
src = fetchurl {
url = "mirror://sourceforge/libpng/${name}.tar.xz";
sha256 = "1lai3dnzw81y40jr17bdj1qh08hwv9mc1v74yybl7jdx2hiilsvx";
sha256 = "0rd0kn7bpdhbv4gw6475plc51a4p5kzk26kag0d08wfvb7ip8wxq";
};
propagatedBuildInputs = [ zlib ];

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@ -7,9 +7,11 @@
, threadSupport ? true
, mysqlSupport ? false, mysql ? null
, openglSupport ? false, mesa ? null, libXmu ? null
, x11, xextproto, zlib, libjpeg, libpng, which
, x11, xextproto, zlib, libjpeg, libpng12, which
}:
let libpng = libpng12; in
assert xftSupport -> libXft != null;
assert xrenderSupport -> xftSupport && libXrender != null;
assert xrandrSupport -> libXrandr != null && randrproto != null;
@ -29,7 +31,8 @@ stdenv.mkDerivation {
sha256 = "0jd4g3bwkgk2s4flbmgisyihm7cam964gzb3pawjlkhas01zghz8";
};
buildInputs = [x11 libXft libXrender zlib libjpeg libpng which];
buildNativeInputs = [ which ];
propagatedBuildInputs = [x11 libXft libXrender zlib libjpeg libpng];
configureFlags = "
-v

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@ -6,7 +6,7 @@ stdenv.mkDerivation {
url = mirror://sourceforge/vba/VisualBoyAdvance-src-1.7.2.tar.gz;
sha256 = "1dr9w5i296dyq2gbx7sijk6p375aqnwld2n6rwnbzm2g3a94y4gl";
};
patches = [ ./fix.diff ]; # patch to shut up lost of precision errors
patches = [ ./libpng15.patch ./fix.diff ]; # patch to shut up lost of precision errors
preConfigure = ''
# Fix errors with invalid conversion from 'const char*' to 'char*'
sed -i -e "s|char \* p = strrchr|const char * p = strrchr|g" src/GBA.cpp

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@ -0,0 +1,13 @@
From Gentoo. Fixes compilation with libpng-1.5
--- a/src/Util.cpp
+++ b/src/Util.cpp
@@ -79,7 +79,7 @@
return false;
}
- if(setjmp(png_ptr->jmpbuf)) {
+ if(setjmp(png_jmpbuf(png_ptr))) {
png_destroy_write_struct(&png_ptr,NULL);
fclose(fp);
return false;

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@ -0,0 +1,198 @@
$NetBSD: patch-ak,v 1.5 2011/01/15 14:08:10 wiz Exp $
Fix build with png-1.5. From John Bowler.
See also http://bugs.ghostscript.com/show_bug.cgi?id=692060
--- a/base/gdevpng.c.orig 2008-07-17 02:34:01.000000000 +0000
+++ b/base/gdevpng.c
@@ -36,12 +36,14 @@
#include "gdevpccm.h"
#include "gscdefs.h"
-#define PNG_INTERNAL
/*
* libpng versions 1.0.3 and later allow disabling access to the stdxxx
* files while retaining support for FILE * I/O.
+ *
+ * This is a misunderstanding - this is a build time option for libpng,
+ * it has no effect on a user of libpng.
*/
-#define PNG_NO_CONSOLE_IO
+/*#define PNG_NO_CONSOLE_IO*/
/*
* Earlier libpng versions require disabling FILE * I/O altogether.
* This produces a compiler warning about no prototype for png_init_io.
@@ -280,7 +282,7 @@ png_print_page(gx_device_printer * pdev,
goto done;
}
/* set error handling */
- if (setjmp(png_ptr->jmpbuf)) {
+ if (setjmp(png_jmpbuf(png_ptr))) {
/* If we get here, we had a problem reading the file */
code = gs_note_error(gs_error_VMerror);
goto done;
@@ -290,19 +292,12 @@ png_print_page(gx_device_printer * pdev,
png_init_io(png_ptr, file);
/* set the file information here */
- info_ptr->width = pdev->width;
- info_ptr->height = pdev->height;
- /* resolution is in pixels per meter vs. dpi */
- info_ptr->x_pixels_per_unit =
- (png_uint_32) (pdev->HWResolution[0] * (100.0 / 2.54));
- info_ptr->y_pixels_per_unit =
- (png_uint_32) (pdev->HWResolution[1] * (100.0 / 2.54));
- info_ptr->phys_unit_type = PNG_RESOLUTION_METER;
- info_ptr->valid |= PNG_INFO_pHYs;
switch (depth) {
case 32:
- info_ptr->bit_depth = 8;
- info_ptr->color_type = PNG_COLOR_TYPE_RGB_ALPHA;
+ png_set_IHDR(png_ptr, info_ptr, pdev->width, pdev->height,
+ 8, PNG_COLOR_TYPE_RGB_ALPHA,
+ PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT,
+ PNG_FILTER_TYPE_DEFAULT);
png_set_invert_alpha(png_ptr);
{ gx_device_pngalpha *ppdev = (gx_device_pngalpha *)pdev;
png_color_16 background;
@@ -315,57 +310,69 @@ png_print_page(gx_device_printer * pdev,
}
break;
case 48:
- info_ptr->bit_depth = 16;
- info_ptr->color_type = PNG_COLOR_TYPE_RGB;
+ png_set_IHDR(png_ptr, info_ptr, pdev->width, pdev->height,
+ 16, PNG_COLOR_TYPE_RGB,
+ PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT,
+ PNG_FILTER_TYPE_DEFAULT);
#if defined(ARCH_IS_BIG_ENDIAN) && (!ARCH_IS_BIG_ENDIAN)
png_set_swap(png_ptr);
#endif
break;
case 24:
- info_ptr->bit_depth = 8;
- info_ptr->color_type = PNG_COLOR_TYPE_RGB;
+ png_set_IHDR(png_ptr, info_ptr, pdev->width, pdev->height,
+ 8, PNG_COLOR_TYPE_RGB,
+ PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT,
+ PNG_FILTER_TYPE_DEFAULT);
break;
case 8:
- info_ptr->bit_depth = 8;
- if (gx_device_has_color(pdev))
- info_ptr->color_type = PNG_COLOR_TYPE_PALETTE;
- else
- info_ptr->color_type = PNG_COLOR_TYPE_GRAY;
+ png_set_IHDR(png_ptr, info_ptr, pdev->width, pdev->height,
+ 8, gx_device_has_color(pdev) ?
+ PNG_COLOR_TYPE_PALETTE : PNG_COLOR_TYPE_GRAY,
+ PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT,
+ PNG_FILTER_TYPE_DEFAULT);
break;
case 4:
- info_ptr->bit_depth = 4;
- info_ptr->color_type = PNG_COLOR_TYPE_PALETTE;
+ png_set_IHDR(png_ptr, info_ptr, pdev->width, pdev->height,
+ 4, PNG_COLOR_TYPE_PALETTE,
+ PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT,
+ PNG_FILTER_TYPE_DEFAULT);
break;
case 1:
- info_ptr->bit_depth = 1;
- info_ptr->color_type = PNG_COLOR_TYPE_GRAY;
+ png_set_IHDR(png_ptr, info_ptr, pdev->width, pdev->height,
+ 1, PNG_COLOR_TYPE_GRAY,
+ PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT,
+ PNG_FILTER_TYPE_DEFAULT);
/* invert monocrome pixels */
png_set_invert_mono(png_ptr);
break;
+ default:
+ png_error(png_ptr, "invalid bit depth");
}
+ /* resolution is in pixels per meter vs. dpi */
+ png_set_pHYs(png_ptr, info_ptr,
+ (png_uint_32) (pdev->HWResolution[0] * (100.0 / 2.54)),
+ (png_uint_32) (pdev->HWResolution[1] * (100.0 / 2.54)),
+ PNG_RESOLUTION_METER);
+
/* set the palette if there is one */
- if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) {
+ if (png_get_color_type(png_ptr, info_ptr) == PNG_COLOR_TYPE_PALETTE) {
int i;
int num_colors = 1 << depth;
gx_color_value rgb[3];
+ png_color palette[256];
+
+ if (num_colors > 256)
+ num_colors = 256;
- info_ptr->palette =
- (void *)gs_alloc_bytes(mem, 256 * sizeof(png_color),
- "png palette");
- if (info_ptr->palette == 0) {
- code = gs_note_error(gs_error_VMerror);
- goto done;
- }
- info_ptr->num_palette = num_colors;
- info_ptr->valid |= PNG_INFO_PLTE;
for (i = 0; i < num_colors; i++) {
(*dev_proc(pdev, map_color_rgb)) ((gx_device *) pdev,
(gx_color_index) i, rgb);
- info_ptr->palette[i].red = gx_color_value_to_byte(rgb[0]);
- info_ptr->palette[i].green = gx_color_value_to_byte(rgb[1]);
- info_ptr->palette[i].blue = gx_color_value_to_byte(rgb[2]);
+ palette[i].red = gx_color_value_to_byte(rgb[0]);
+ palette[i].green = gx_color_value_to_byte(rgb[1]);
+ palette[i].blue = gx_color_value_to_byte(rgb[2]);
}
+ png_set_PLTE(png_ptr, info_ptr, palette, num_colors);
}
/* add comment */
strncpy(software_key, "Software", sizeof(software_key));
@@ -375,15 +382,14 @@ png_print_page(gx_device_printer * pdev,
text_png.key = software_key;
text_png.text = software_text;
text_png.text_length = strlen(software_text);
- info_ptr->text = &text_png;
- info_ptr->num_text = 1;
+ png_set_text(png_ptr, info_ptr, &text_png, 1);
/* write the file information */
png_write_info(png_ptr, info_ptr);
/* don't write the comments twice */
- info_ptr->num_text = 0;
- info_ptr->text = NULL;
+ /*info_ptr->num_text = 0;*/
+ /*info_ptr->text = NULL;*/
/* Write the contents of the image. */
for (y = 0; y < height; y++) {
@@ -395,7 +401,7 @@ png_print_page(gx_device_printer * pdev,
png_write_end(png_ptr, info_ptr);
/* if you alloced the palette, free it here */
- gs_free_object(mem, info_ptr->palette, "png palette");
+ /*gs_free_object(mem, info_ptr->palette, "png palette");*/
done:
/* free the structures */
@@ -405,6 +411,7 @@ png_print_page(gx_device_printer * pdev,
return code;
}
+#if 0 /* not required in 1.5 */
/*
* Patch around a static reference to a never-used procedure.
* This could be avoided if we were willing to edit pngconf.h to
@@ -422,6 +429,7 @@ png_push_fill_buffer(png_structp png_ptr
{
}
#endif
+#endif
static int
pngalpha_open(gx_device * pdev)

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@ -13,6 +13,22 @@ stdenv.mkDerivation rec {
buildNativeInputs = [ perl pkgconfig ];
patches =
let
prefix = "http://enblend.hg.sourceforge.net/hgweb/enblend/enblend/raw-diff";
in map fetchurl [
{
url = "${prefix}/9d9b5f3a97cd/src/vigra_impex/png.cxx";
name = "ftbfs-libpng15.patch";
sha256 = "1nqhbbgphwi087qpazngg04c1whc1p4fwq19fx36jrir96xywgzg";
}
{
url = "${prefix}/101796703d73/src/vigra_impex/png.cxx";
name = "ftbfs-libpng15.patch";
sha256 = "14frqg4hab9ab6pdypkrmji43fmxjj918j7565rdwmifbm9i3005";
}
];
meta = {
homepage = http://enblend.sourceforge.net/;
description = "Blends away the seams in a panoramic image mosaic using a multiresolution spline";

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@ -0,0 +1,14 @@
# Generated by debian-patches.sh from debian-patches.txt
let
prefix = "http://patch-tracker.debian.org/patch/series/dl/plotutils/2.6-2";
in
[
{
url = "${prefix}/10_repair_postscript";
sha256 = "01v4a8mdhgsjxbf9a2xppx2lb05lp818v8afp5x2njv64wpgla8p";
}
{
url = "${prefix}/25_libpng15";
sha256 = "0l640rcsgc2mwpk7iqm0cf3b0gfcdgcn9wg4x88gaqxzx9rriph0";
}
]

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@ -0,0 +1,3 @@
plotutils/2.6-2
10_repair_postscript
25_libpng15

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@ -15,6 +15,8 @@ stdenv.mkDerivation rec {
buildInputs = [libpng];
patches = map fetchurl (import ./debian-patches.nix);
configureFlags = "--enable-libplotter"; # required for pstoedit
doCheck = true;

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@ -1,18 +1,19 @@
{ stdenv, fetchurl, libpng, xz }:
stdenv.mkDerivation rec {
name = "pngcrush-1.7.17";
name = "pngcrush-1.7.22";
src = fetchurl {
url = "mirror://sourceforge/pmt/${name}-nolib.tar.xz";
sha256 = "0lh6wl0ci2y9b690n2zggc1mk21xj6iv378gvxk6gksgjkdw2rj2";
sha256 = "1sngz34cssni4j7hvqhq5ms6h4ydb3b0s5y7fidv3kjms9g1xcsp";
};
configurePhase = ''
sed -i s,/usr,$out, Makefile
'';
buildInputs = [ xz libpng ];
buildInputs = [ libpng ];
buildNativeInputs = [ xz ];
meta = {
homepage = http://pmt.sourceforge.net/pngcrush;

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@ -1228,7 +1228,9 @@ let
pngnq = callPackage ../tools/graphics/pngnq { };
pngtoico = callPackage ../tools/graphics/pngtoico { };
pngtoico = callPackage ../tools/graphics/pngtoico {
libpng = libpng12;
};
polipo = callPackage ../servers/polipo { };
@ -3830,7 +3832,9 @@ let
ilmbase = callPackage ../development/libraries/ilmbase { };
imlib = callPackage ../development/libraries/imlib { };
imlib = callPackage ../development/libraries/imlib {
libpng = libpng12;
};
imlib2 = callPackage ../development/libraries/imlib2 { };
@ -4026,6 +4030,7 @@ let
libgcrypt = callPackage ../development/libraries/libgcrypt { };
libgdiplus = callPackage ../development/libraries/libgdiplus {
libpng = pkgs.libpng12;
};
libgpgerror = callPackage ../development/libraries/libgpg-error { };
@ -4180,6 +4185,7 @@ let
libpng = callPackage ../development/libraries/libpng { };
libpng_apng = callPackage ../development/libraries/libpng/libpng-apng.nix { };
libpng12 = callPackage ../development/libraries/libpng/12.nix { };
libproxy = callPackage ../development/libraries/libproxy { };
@ -4460,6 +4466,7 @@ let
opencv_2_1 = callPackage ../development/libraries/opencv/2.1.nix {
ffmpeg = ffmpeg_0_6_90;
libpng = libpng12;
inherit (gst_all) gstreamer;
};
@ -4766,13 +4773,14 @@ let
inherit (gnome) gtkdoc libsoup;
inherit (gtkLibs) gtk atk pango glib;
inherit freetype fontconfig gettext gperf curl
libjpeg libtiff libpng libxml2 libxslt sqlite
libjpeg libtiff libxml2 libxslt sqlite
icu cairo perl intltool automake libtool
pkgconfig autoconf bison libproxy enchant
python ruby which flex geoclue;
inherit (gst_all) gstreamer gstPluginsBase gstFfmpeg
gstPluginsGood;
inherit (xlibs) libXt renderproto libXrender;
libpng = libpng12;
};
webkitSVN =
@ -4780,13 +4788,14 @@ let
inherit (gnome) gtkdoc libsoup;
inherit (gtkLibs) gtk atk pango glib;
inherit freetype fontconfig gettext gperf curl
libjpeg libtiff libpng libxml2 libxslt sqlite
libjpeg libtiff libxml2 libxslt sqlite
icu cairo perl intltool automake libtool
pkgconfig autoconf bison libproxy enchant
python ruby which flex geoclue;
inherit (gst_all) gstreamer gstPluginsBase gstFfmpeg
gstPluginsGood;
inherit (xlibs) libXt renderproto libXrender;
libpng = libpng12;
};
wvstreams = callPackage ../development/libraries/wvstreams { };
@ -6951,7 +6960,7 @@ let
};
qrdecode = builderDefsPackage (import ../tools/graphics/qrdecode) {
inherit libpng;
libpng = libpng12;
opencv = opencv_2_1;
};
@ -7889,6 +7898,7 @@ let
exult = callPackage ../games/exult {
stdenv = overrideGCC stdenv gcc42;
libpng = libpng12;
};
/*
@ -8076,7 +8086,9 @@ let
warzone2100 = callPackage ../games/warzone2100 { };
widelands = callPackage ../games/widelands {};
widelands = callPackage ../games/widelands {
libpng = libpng12;
};
xboard = builderDefsPackage (import ../games/xboard) {
inherit (xlibs) libX11 xproto libXt libXaw libSM
@ -8673,7 +8685,7 @@ let
splix = callPackage ../misc/cups/drivers/splix { };
tetex = callPackage ../tools/typesetting/tex/tetex { };
tetex = callPackage ../tools/typesetting/tex/tetex { libpng = libpng12; };
tex4ht = callPackage ../tools/typesetting/tex/tex4ht { };