Fix building with libpng15 wrt #383197 by Diego Elio Pettenò

(Portage version: 2.2.0_alpha55/cvs/Linux x86_64)

3 files changed, 79 insertions, 3 deletions

diff --git a/games-engines/stratagus/ChangeLog b/games-engines/stratagus/ChangeLog
index e2ac95536fa7..1289793b6afe 100644
--- a/games-engines/stratagus/ChangeLog
+++ b/games-engines/stratagus/ChangeLog
@@ -1,6 +1,10 @@
 # ChangeLog for games-engines/stratagus
 # Copyright 1999-2011 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/games-engines/stratagus/ChangeLog,v 1.20 2011/02/03 19:59:57 mr_bones_ Exp $
+# $Header: /var/cvsroot/gentoo-x86/games-engines/stratagus/ChangeLog,v 1.21 2011/09/17 16:50:03 ssuominen Exp $
+
+  17 Sep 2011; Samuli Suominen <ssuominen@gentoo.org> stratagus-2.2.5.5.ebuild,
+  +files/stratagus-2.2.5.5-libpng15.patch:
+  Fix building with libpng15 wrt #383197 by Diego Elio Pettenò
 
   03 Feb 2011; Michael Sterrett <mr_bones_@gentoo.org>
   stratagus-2.2.5.5.ebuild:
diff --git a/games-engines/stratagus/files/stratagus-2.2.5.5-libpng15.patch b/games-engines/stratagus/files/stratagus-2.2.5.5-libpng15.patch
new file mode 100644
index 000000000000..cc0a7380ce9b
--- /dev/null
+++ b/games-engines/stratagus/files/stratagus-2.2.5.5-libpng15.patch
@@ -0,0 +1,71 @@
+--- src/video/png.cpp
++++ src/video/png.cpp
+@@ -147,7 +147,7 @@
+ 	 * the normal method of doing things with libpng).  REQUIRED unless you
+ 	 * set up your own error handlers in png_create_read_struct() earlier.
+ 	 */
+-	if (setjmp(png_ptr->jmpbuf)) {
++	if (setjmp(png_jmpbuf(png_ptr))) {
+ 		fprintf(stderr, "Error reading the PNG file.\n");
+ 		ret = -1;
+ 		goto done;
+@@ -227,11 +227,11 @@
+ 			Rmask = 0x000000FF;
+ 			Gmask = 0x0000FF00;
+ 			Bmask = 0x00FF0000;
+-			Amask = (info_ptr->channels == 4) ? 0xFF000000 : 0;
++			Amask = (png_get_channels(png_ptr, info_ptr) == 4) ? 0xFF000000 : 0;
+ 		} else {
+ 			int s;
+ 
+-			s = (info_ptr->channels == 4) ? 0 : 8;
++			s = (png_get_channels(png_ptr, info_ptr) == 4) ? 0 : 8;
+ 			Rmask = 0xFF000000 >> s;
+ 			Gmask = 0x00FF0000 >> s;
+ 			Bmask = 0x0000FF00 >> s;
+@@ -239,7 +239,7 @@
+ 		}
+ 	}
+ 	surface = SDL_AllocSurface(SDL_SWSURFACE, width, height,
+-		bit_depth * info_ptr->channels, Rmask, Gmask, Bmask, Amask);
++		bit_depth * png_get_channels(png_ptr, info_ptr), Rmask, Gmask, Bmask, Amask);
+ 	if (surface == NULL) {
+ 		fprintf(stderr, "Out of memory");
+ 		goto done;
+@@ -276,6 +276,8 @@
+ 	png_read_end(png_ptr, info_ptr);
+ 
+ 	/* Load the palette, if any */
++	int png_num_palette;
++	png_colorp png_palette;
+ 	palette = surface->format->palette;
+ 	if (palette) {
+ 		if (color_type == PNG_COLOR_TYPE_GRAY) {
+@@ -285,12 +287,12 @@
+ 				palette->colors[i].g = i;
+ 				palette->colors[i].b = i;
+ 			}
+-		} else if (info_ptr->num_palette > 0) {
+-			palette->ncolors = info_ptr->num_palette;
+-			for (i = 0; i < info_ptr->num_palette; ++i) {
+-				palette->colors[i].b = info_ptr->palette[i].blue;
+-				palette->colors[i].g = info_ptr->palette[i].green;
+-				palette->colors[i].r = info_ptr->palette[i].red;
++		} else if (png_num_palette > 0) {
++			palette->ncolors = png_num_palette;
++			for (i = 0; i < png_num_palette; ++i) {
++				palette->colors[i].b = png_palette[i].blue;
++				palette->colors[i].g = png_palette[i].green;
++				palette->colors[i].r = png_palette[i].red;
+ 			}
+ 		}
+ 	}
+@@ -343,7 +345,7 @@
+ 		return;
+ 	}
+ 
+-	if (setjmp(png_ptr->jmpbuf)) {
++	if (setjmp(png_jmpbuf(png_ptr))) {
+ 		/* If we get here, we had a problem reading the file */
+ 		fclose(fp);
+ 		png_destroy_write_struct(&png_ptr, &info_ptr);
diff --git a/games-engines/stratagus/stratagus-2.2.5.5.ebuild b/games-engines/stratagus/stratagus-2.2.5.5.ebuild
index 16d9a0802e4d..c3cdfe952e56 100644
--- a/games-engines/stratagus/stratagus-2.2.5.5.ebuild
+++ b/games-engines/stratagus/stratagus-2.2.5.5.ebuild
@@ -1,9 +1,9 @@
 # Copyright 1999-2011 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/games-engines/stratagus/stratagus-2.2.5.5.ebuild,v 1.6 2011/03/09 22:54:42 mr_bones_ Exp $
+# $Header: /var/cvsroot/gentoo-x86/games-engines/stratagus/stratagus-2.2.5.5.ebuild,v 1.7 2011/09/17 16:50:03 ssuominen Exp $
 
 EAPI=2
-inherit autotools games
+inherit autotools eutils games
 
 DESCRIPTION="A realtime strategy game engine"
 HOMEPAGE="http://stratagus.sourceforge.net/"
@@ -28,6 +28,7 @@ DEPEND="${RDEPEND}
 	doc? ( app-doc/doxygen )"
 
 src_prepare() {
+	epatch "${FILESDIR}"/${P}-libpng15.patch
 	sed -i \
 		-e 's/-O.*\(-fsigned-char\).*/\1"/' \
 		configure.in \