homebrew-core/Formula/imlib2.rb
guns 3671f6a60a imlib2: patch for libpng 1.5
Compile fails due to a change in libpng15, which ships with Lion.
This patch is included in the dev branch upstream.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
2011-08-19 10:06:33 -07:00

109 lines
3.3 KiB
Ruby

require 'formula'
class Imlib2 < Formula
url 'http://downloads.sourceforge.net/project/enlightenment/imlib2-src/1.4.4/imlib2-1.4.4.tar.bz2'
homepage 'http://sourceforge.net/projects/enlightenment/files/'
md5 'b6de51879502e857d5b1f7622267a030'
depends_on 'pkg-config' => :build
# Returns integer xxyyzz, where x=major, y=minor, z=release
def libpng_version
File.read('/usr/X11/include/png.h')[/^\#define\s+PNG_LIBPNG_VER\s+(\d+)/, 1].to_i
end
# NOTE: Patch is included in dev branch, so remove when updating
def patches
DATA unless libpng_version < 10500
end
def install
ENV.x11 # For freetype
system "./configure", "--disable-dependency-tracking",
"--prefix=#{prefix}",
"--enable-amd64=no"
system "make install"
end
end
__END__
Patch by Thomas Klausner
http://sourceforge.net/mailarchive/message.php?msg_id=26972342
$NetBSD: patch-af,v 1.4 2011/01/14 10:02:54 wiz Exp $
Fix build with png-1.5.
--- a/src/modules/loaders/loader_png.c.orig 2010-02-08 00:29:06.000000000 -0800
+++ b/src/modules/loaders/loader_png.c 2010-02-08 00:34:14.000000000 -0800
@@ -58,7 +58,7 @@
fclose(f);
return 0;
}
- if (setjmp(png_ptr->jmpbuf))
+ if (setjmp(png_jmpbuf(png_ptr)))
{
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
fclose(f);
@@ -238,7 +238,7 @@
png_structp png_ptr;
png_infop info_ptr;
DATA32 *ptr;
- int x, y, j;
+ int x, y, j, interlace;
png_bytep row_ptr, data = NULL;
png_color_8 sig_bit;
int pl = 0;
@@ -265,7 +265,7 @@
png_destroy_write_struct(&png_ptr, (png_infopp) NULL);
return 0;
}
- if (setjmp(png_ptr->jmpbuf))
+ if (setjmp(png_jmpbuf(png_ptr)))
{
fclose(f);
png_destroy_write_struct(&png_ptr, (png_infopp) & info_ptr);
@@ -274,11 +274,11 @@
}
/* check whether we should use interlacing */
+ interlace = PNG_INTERLACE_NONE;
if ((tag = __imlib_GetTag(im, "interlacing")) && tag->val)
{
#ifdef PNG_WRITE_INTERLACING_SUPPORTED
- png_ptr->interlaced = PNG_INTERLACE_ADAM7;
- num_passes = png_set_interlace_handling(png_ptr);
+ interlace = PNG_INTERLACE_ADAM7;
#endif
}
@@ -286,7 +286,7 @@
if (im->flags & F_HAS_ALPHA)
{
png_set_IHDR(png_ptr, info_ptr, im->w, im->h, 8,
- PNG_COLOR_TYPE_RGB_ALPHA, png_ptr->interlaced,
+ PNG_COLOR_TYPE_RGB_ALPHA, interlace,
PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
#ifdef WORDS_BIGENDIAN
png_set_swap_alpha(png_ptr);
@@ -297,7 +297,7 @@
else
{
png_set_IHDR(png_ptr, info_ptr, im->w, im->h, 8, PNG_COLOR_TYPE_RGB,
- png_ptr->interlaced, PNG_COMPRESSION_TYPE_BASE,
+ interlace, PNG_COMPRESSION_TYPE_BASE,
PNG_FILTER_TYPE_BASE);
data = malloc(im->w * 3 * sizeof(char));
}
@@ -344,6 +344,10 @@
png_set_shift(png_ptr, &sig_bit);
png_set_packing(png_ptr);
+#ifdef PNG_WRITE_INTERLACING_SUPPORTED
+ num_passes = png_set_interlace_handling(png_ptr);
+#endif
+
for (pass = 0; pass < num_passes; pass++)
{
ptr = im->data;