gnu: gd: Update to 2.2.3 [fixes CVE-2016-6207].

* gnu/packages/patches/gd-CVE-2016-5766.patch,
gnu/packages/patches/gd-CVE-2016-6128.patch,
gnu/packages/patches/gd-CVE-2016-6132.patch,
gnu/packages/patches/gd-CVE-2016-6214.patch,
gnu/packages/patches/gd-fix-test-on-i686.patch: Delete files.
* gnu/packages/patches/gd-fix-tests-on-i686.patch: New file.
* gnu/local.mk (dist_patch_DATA): Update accordingly.
* gnu/packages/gd.scm (gd): Update to 2.2.3.
[source]: Update patches field accordingly.

7 files changed, 69 insertions, 496 deletions

diff --git a/gnu/packages/gd.scm b/gnu/packages/gd.scm
index 3313ee68f2..153e1c7f8b 100644
--- a/gnu/packages/gd.scm
+++ b/gnu/packages/gd.scm
@@ -40,21 +40,17 @@
     ;; Note: With libgd.org now pointing to github.com, genuine old
     ;; tarballs are no longer available.  Notably, versions 2.0.x are
     ;; missing.
-    (version "2.2.2")
+    (version "2.2.3")
 
     (source (origin
              (method url-fetch)
              (uri (string-append
                    "https://github.com/libgd/libgd/releases/download/gd-"
                    version "/libgd-" version ".tar.xz"))
-             (patches (search-patches "gd-fix-test-on-i686.patch"
-                                      "gd-CVE-2016-5766.patch"
-                                      "gd-CVE-2016-6128.patch"
-                                      "gd-CVE-2016-6132.patch"
-                                      "gd-CVE-2016-6214.patch"))
              (sha256
               (base32
-               "1311g5mva2xlzqv3rjqjc4jjkn5lzls4skvr395h633zw1n7b7s8"))))
+               "0g3xz8jpz1pl2zzmssglrpa9nxiaa7rmcmvgpbrjz8k9cyynqsvl"))
+             (patches (search-patches "gd-fix-tests-on-i686.patch"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("pkg-config" ,pkg-config)))
diff --git a/gnu/packages/patches/gd-CVE-2016-5766.patch b/gnu/packages/patches/gd-CVE-2016-5766.patch
deleted file mode 100644
index 400cb0ab48..0000000000
--- a/gnu/packages/patches/gd-CVE-2016-5766.patch
+++ /dev/null
@@ -1,81 +0,0 @@
-Fix CVE-2016-5766 (Integer Overflow in _gd2GetHeader() resulting in heap
-overflow).
-
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5766
-
-Adapted from upstream commits:
-https://github.com/libgd/libgd/commit/aba3db8ba159465ecec1089027a24835a6da9cc0
-https://github.com/libgd/libgd/commit/a6a0e7feabb2a9738086a5dc96348f233c87fa79
-
-Since `patch` cannot apply Git binary diffs, we omit the addition of
-'tests/gd2/php_bug_72339.c' and its associated binary data.
-
-From aba3db8ba159465ecec1089027a24835a6da9cc0 Mon Sep 17 00:00:00 2001
-From: Pierre Joye <pierre.php@gmail.com>
-Date: Tue, 28 Jun 2016 16:23:42 +0700
-Subject: [PATCH] fix php bug 72339 (CVE-2016-5766), Integer Overflow in
- _gd2GetHeader() resulting in heap overflow
-
----
- src/gd_gd2.c                    |   5 ++++-
- tests/gd2/CMakeLists.txt        |   1 +
- tests/gd2/Makemodule.am         |   6 ++++--
- tests/gd2/php_bug_72339.c       |  21 +++++++++++++++++++++
- tests/gd2/php_bug_72339_exp.gd2 | Bin 0 -> 67108882 bytes
- 5 files changed, 30 insertions(+), 3 deletions(-)
- create mode 100644 tests/gd2/php_bug_72339.c
- create mode 100644 tests/gd2/php_bug_72339_exp.gd2
-
-diff --git a/src/gd_gd2.c b/src/gd_gd2.c
-index fd1e0c9..bdbbecf 100644
---- a/src/gd_gd2.c
-+++ b/src/gd_gd2.c
-@@ -154,8 +154,11 @@ _gd2GetHeader (gdIOCtxPtr in, int *sx, int *sy,
- 		nc = (*ncx) * (*ncy);
- 		GD2_DBG (printf ("Reading %d chunk index entries\n", nc));
- 		sidx = sizeof (t_chunk_info) * nc;
-+		if (overflow2(sidx, nc)) {
-+			goto fail1;
-+		}
- 		cidx = gdCalloc (sidx, 1);
--		if (!cidx) {
-+		if (cidx == NULL) {
- 			goto fail1;
- 		}
- 		for (i = 0; i < nc; i++) {
-From a6a0e7feabb2a9738086a5dc96348f233c87fa79 Mon Sep 17 00:00:00 2001
-From: Pierre Joye <pierre.php@gmail.com>
-Date: Wed, 29 Jun 2016 09:36:26 +0700
-Subject: [PATCH] fix php bug 72339 (CVE-2016-5766), Integer Overflow in
- _gd2GetHeader() resulting in heap overflow. Sync with php's sync
-
----
- src/gd_gd2.c              | 7 ++++++-
- tests/gd2/php_bug_72339.c | 2 +-
- 2 files changed, 7 insertions(+), 2 deletions(-)
-
-diff --git a/src/gd_gd2.c b/src/gd_gd2.c
-index bdbbecf..2837456 100644
---- a/src/gd_gd2.c
-+++ b/src/gd_gd2.c
-@@ -152,11 +152,16 @@ _gd2GetHeader (gdIOCtxPtr in, int *sx, int *sy,
- 
- 	if (gd2_compressed (*fmt)) {
- 		nc = (*ncx) * (*ncy);
-+
- 		GD2_DBG (printf ("Reading %d chunk index entries\n", nc));
-+		if (overflow2(sizeof(t_chunk_info), nc)) {
-+			goto fail1;
-+		}
- 		sidx = sizeof (t_chunk_info) * nc;
--		if (overflow2(sidx, nc)) {
-+		if (sidx <= 0) {
- 			goto fail1;
- 		}
-+
- 		cidx = gdCalloc (sidx, 1);
- 		if (cidx == NULL) {
- 			goto fail1;
--- 
-2.9.1
-
diff --git a/gnu/packages/patches/gd-CVE-2016-6128.patch b/gnu/packages/patches/gd-CVE-2016-6128.patch
deleted file mode 100644
index 45ee6b0cfa..0000000000
--- a/gnu/packages/patches/gd-CVE-2016-6128.patch
+++ /dev/null
@@ -1,253 +0,0 @@
-Fix CVE-2016-6128 (invalid color index is not properly handled leading
-to denial of service).
-
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=2016-6128
-
-Copied from upstream commits:
-https://github.com/libgd/libgd/compare/3fe0a7128bac5000fdcfab888bd2a75ec0c9447d...fd623025505e87bba7ec8555eeb72dae4fb0afd
-
-From 1ccfe21e14c4d18336f9da8515cd17db88c3de61 Mon Sep 17 00:00:00 2001
-From: Pierre Joye <pierre.php@gmail.com>
-Date: Mon, 27 Jun 2016 11:17:39 +0700
-Subject: [PATCH 1/8] fix php 72494, invalid color index not handled, can lead
- to crash
-
----
- src/gd_crop.c        | 4 ++++
- tests/CMakeLists.txt | 1 +
- tests/Makefile.am    | 1 +
- 3 files changed, 6 insertions(+)
-
-diff --git a/src/gd_crop.c b/src/gd_crop.c
-index 0296633..532b49b 100644
---- a/src/gd_crop.c
-+++ b/src/gd_crop.c
-@@ -136,6 +136,10 @@ BGD_DECLARE(gdImagePtr) gdImageCropThreshold(gdImagePtr im, const unsigned int c
- 		return NULL;
- 	}
- 
-+	if (color < 0 || (!gdImageTrueColor(im) && color >= gdImageColorsTotal(im))) {
-+		return NULL;
-+	}
-+
- 	/* TODO: Add gdImageGetRowPtr and works with ptr at the row level
- 	 * for the true color and palette images
- 	 * new formats will simply work with ptr
-diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
-index 6f5c786..5093d52 100644
---- a/tests/CMakeLists.txt
-+++ b/tests/CMakeLists.txt
-@@ -31,6 +31,7 @@ if (BUILD_TEST)
- 		gdimagecolortransparent
- 		gdimagecopy
- 		gdimagecopyrotated
-+        gdimagecrop
- 		gdimagefile
- 		gdimagefill
- 		gdimagefilledellipse
-diff --git a/tests/Makefile.am b/tests/Makefile.am
-index 4f6e756..5a0ebe8 100644
---- a/tests/Makefile.am
-+++ b/tests/Makefile.am
-@@ -25,6 +25,7 @@ include gdimagecolorresolve/Makemodule.am
- include gdimagecolortransparent/Makemodule.am
- include gdimagecopy/Makemodule.am
- include gdimagecopyrotated/Makemodule.am
-+include gdimagecrop/Makemodule.am
- include gdimagefile/Makemodule.am
- include gdimagefill/Makemodule.am
- include gdimagefilledellipse/Makemodule.am
--- 
-2.9.1
-
-From 8c9f39c7cb1f62ea00bc7a48aff64d3811c2d6d0 Mon Sep 17 00:00:00 2001
-From: Pierre Joye <pierre.php@gmail.com>
-Date: Mon, 27 Jun 2016 11:20:07 +0700
-Subject: [PATCH 2/8] fix php 72494, invalid color index not handled, can lead
- to crash
-
----
- tests/gdimagecrop/.gitignore | 1 +
- 1 file changed, 1 insertion(+)
- create mode 100644 tests/gdimagecrop/.gitignore
-
-diff --git a/tests/gdimagecrop/.gitignore b/tests/gdimagecrop/.gitignore
-new file mode 100644
-index 0000000..8e8c9c3
---- /dev/null
-+++ b/tests/gdimagecrop/.gitignore
-@@ -0,0 +1 @@
-+/php_bug_72494
--- 
-2.9.1
-
-From 8de370b7b6263a02268037a7cd13ddd991b43ea9 Mon Sep 17 00:00:00 2001
-From: Pierre Joye <pierre.php@gmail.com>
-Date: Mon, 27 Jun 2016 11:24:50 +0700
-Subject: [PATCH 3/8] fix php 72494, invalid color index not handled, can lead
- to crash
-
----
- tests/gdimagecrop/CMakeLists.txt | 5 +++++
- 1 file changed, 5 insertions(+)
- create mode 100644 tests/gdimagecrop/CMakeLists.txt
-
-diff --git a/tests/gdimagecrop/CMakeLists.txt b/tests/gdimagecrop/CMakeLists.txt
-new file mode 100644
-index 0000000..f7e4c7e
---- /dev/null
-+++ b/tests/gdimagecrop/CMakeLists.txt
-@@ -0,0 +1,5 @@
-+SET(TESTS_FILES
-+	php_bug_72494
-+)
-+
-+ADD_GD_TESTS()
--- 
-2.9.1
-
-From bca12e4e11ecda8a0ea719472700ad5c2b36a0d6 Mon Sep 17 00:00:00 2001
-From: Pierre Joye <pierre.php@gmail.com>
-Date: Mon, 27 Jun 2016 11:25:12 +0700
-Subject: [PATCH 4/8] fix php 72494, invalid color index not handled, can lead
- to crash
-
----
- tests/gdimagecrop/Makemodule.am | 5 +++++
- 1 file changed, 5 insertions(+)
- create mode 100644 tests/gdimagecrop/Makemodule.am
-
-diff --git a/tests/gdimagecrop/Makemodule.am b/tests/gdimagecrop/Makemodule.am
-new file mode 100644
-index 0000000..210888b
---- /dev/null
-+++ b/tests/gdimagecrop/Makemodule.am
-@@ -0,0 +1,5 @@
-+libgd_test_programs += \
-+	gdimagecrop/php_bug_72494
-+
-+EXTRA_DIST += \
-+	gdimagecrop/CMakeLists.txt
--- 
-2.9.1
-
-From 6ff72ae40c7c20ece939afb362d98cc37f4a1c96 Mon Sep 17 00:00:00 2001
-From: Pierre Joye <pierre.php@gmail.com>
-Date: Mon, 27 Jun 2016 11:25:40 +0700
-Subject: [PATCH 5/8] fix php 72494, invalid color index not handled, can lead
- to crash
-
----
- tests/gdimagecrop/php_bug_72494.c | 23 +++++++++++++++++++++++
- 1 file changed, 23 insertions(+)
- create mode 100644 tests/gdimagecrop/php_bug_72494.c
-
-diff --git a/tests/gdimagecrop/php_bug_72494.c b/tests/gdimagecrop/php_bug_72494.c
-new file mode 100644
-index 0000000..adaa379
---- /dev/null
-+++ b/tests/gdimagecrop/php_bug_72494.c
-@@ -0,0 +1,23 @@
-+#include <stdio.h>
-+#include <stdlib.h>
-+#include "gd.h"
-+
-+#include "gdtest.h"
-+
-+int main()
-+{
-+	gdImagePtr im, exp;
-+	int error = 0;
-+
-+	im = gdImageCreate(50, 50);
-+
-+	if (!im) {
-+		gdTestErrorMsg("gdImageCreate failed.\n");
-+		return 1;
-+	}
-+
-+	gdImageCropThreshold(im, 1337, 0);
-+	gdImageDestroy(im);
-+	/* this bug tests a crash, it never reaches this point if the bug exists*/
-+	return 0;
-+}
--- 
-2.9.1
-
-From a0f9f8f7bd0d3a6c6afd6d180b8e75d93aadddfa Mon Sep 17 00:00:00 2001
-From: Pierre Joye <pierre.php@gmail.com>
-Date: Mon, 27 Jun 2016 11:38:07 +0700
-Subject: [PATCH 6/8] fix php 72494, CID 149753, color is unsigned int, remove
- useless <0 comparison
-
----
- src/gd_crop.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/src/gd_crop.c b/src/gd_crop.c
-index 532b49b..d51ad67 100644
---- a/src/gd_crop.c
-+++ b/src/gd_crop.c
-@@ -136,7 +136,7 @@ BGD_DECLARE(gdImagePtr) gdImageCropThreshold(gdImagePtr im, const unsigned int c
- 		return NULL;
- 	}
- 
--	if (color < 0 || (!gdImageTrueColor(im) && color >= gdImageColorsTotal(im))) {
-+	if (!gdImageTrueColor(im) && color >= gdImageColorsTotal(im)) {
- 		return NULL;
- 	}
- 
--- 
-2.9.1
-
-From 907115fbb980862934d0de91af4977a216745039 Mon Sep 17 00:00:00 2001
-From: Pierre Joye <pierre.php@gmail.com>
-Date: Mon, 27 Jun 2016 11:51:40 +0700
-Subject: [PATCH 7/8] fix php 72494, CID 149753, color is unsigned int, remove
- useless <0 comparison
-
----
- tests/gdimagecrop/php_bug_72494.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/tests/gdimagecrop/php_bug_72494.c b/tests/gdimagecrop/php_bug_72494.c
-index adaa379..5cb589b 100644
---- a/tests/gdimagecrop/php_bug_72494.c
-+++ b/tests/gdimagecrop/php_bug_72494.c
-@@ -6,7 +6,7 @@
- 
- int main()
- {
--	gdImagePtr im, exp;
-+	gdImagePtr im;
- 	int error = 0;
- 
- 	im = gdImageCreate(50, 50);
--- 
-2.9.1
-
-From fd623025505e87bba7ec8555eeb72dae4fb0afdc Mon Sep 17 00:00:00 2001
-From: Pierre Joye <pierre.php@gmail.com>
-Date: Mon, 27 Jun 2016 12:04:25 +0700
-Subject: [PATCH 8/8] fix php 72494, CID 149753, color is unsigned int, remove
- useless <0 comparison
-
----
- tests/gdimagecrop/php_bug_72494.c | 1 -
- 1 file changed, 1 deletion(-)
-
-diff --git a/tests/gdimagecrop/php_bug_72494.c b/tests/gdimagecrop/php_bug_72494.c
-index 5cb589b..3bd19be 100644
---- a/tests/gdimagecrop/php_bug_72494.c
-+++ b/tests/gdimagecrop/php_bug_72494.c
-@@ -7,7 +7,6 @@
- int main()
- {
- 	gdImagePtr im;
--	int error = 0;
- 
- 	im = gdImageCreate(50, 50);
- 
--- 
-2.9.1
-
diff --git a/gnu/packages/patches/gd-CVE-2016-6132.patch b/gnu/packages/patches/gd-CVE-2016-6132.patch
deleted file mode 100644
index 4c475b71b2..0000000000
--- a/gnu/packages/patches/gd-CVE-2016-6132.patch
+++ /dev/null
@@ -1,55 +0,0 @@
-Fix CVE-2016-6132 (read out-of-bounds when parsing TGA files).
-
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=2016-6132
-
-Copied from upstream commit:
-https://github.com/libgd/libgd/commit/ead349e99868303b37f5e6e9d9d680c9dc71ff8d
-
-From ead349e99868303b37f5e6e9d9d680c9dc71ff8d Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Ond=C5=99ej=20Sur=C3=BD?= <ondrej@sury.org>
-Date: Tue, 12 Jul 2016 11:24:09 +0200
-Subject: [PATCH] Fix #247, A read out-of-bands was found in the parsing of TGA
- files (CVE-2016-6132)
-
----
- src/gd_tga.c | 13 +++++++++++--
- 1 file changed, 11 insertions(+), 2 deletions(-)
-
-diff --git a/src/gd_tga.c b/src/gd_tga.c
-index ef20f86..20fe2d2 100644
---- a/src/gd_tga.c
-+++ b/src/gd_tga.c
-@@ -237,7 +237,11 @@ int read_image_tga( gdIOCtx *ctx, oTga *tga )
- 			return -1;
- 		}
- 
--		gdGetBuf(conversion_buffer, image_block_size, ctx);
-+		if (gdGetBuf(conversion_buffer, image_block_size, ctx) != image_block_size) {
-+			gd_error("gd-tga: premature end of image data\n");
-+			gdFree(conversion_buffer);
-+			return -1;
-+		}
- 
- 		while (buffer_caret < image_block_size) {
- 			tga->bitmap[buffer_caret] = (int) conversion_buffer[buffer_caret];
-@@ -257,11 +261,16 @@ int read_image_tga( gdIOCtx *ctx, oTga *tga )
- 		}
- 		conversion_buffer = (unsigned char *) gdMalloc(image_block_size * sizeof(unsigned char));
- 		if (conversion_buffer == NULL) {
-+			gd_error("gd-tga: premature end of image data\n");
- 			gdFree( decompression_buffer );
- 			return -1;
- 		}
- 
--		gdGetBuf( conversion_buffer, image_block_size, ctx );
-+		if (gdGetBuf(conversion_buffer, image_block_size, ctx) != image_block_size) {
-+			gdFree(conversion_buffer);
-+			gdFree(decompression_buffer);
-+			return -1;
-+		}
- 
- 		buffer_caret = 0;
- 
--- 
-2.9.1
-
diff --git a/gnu/packages/patches/gd-CVE-2016-6214.patch b/gnu/packages/patches/gd-CVE-2016-6214.patch
deleted file mode 100644
index 7894a32bb1..0000000000
--- a/gnu/packages/patches/gd-CVE-2016-6214.patch
+++ /dev/null
@@ -1,66 +0,0 @@
-Fix CVE-2016-6214 (read out-of-bounds when parsing TGA files).
-
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6214
-
-Adapted from upstream commit:
-https://github.com/libgd/libgd/commit/341aa68843ceceae9ba6e083431f14a07bd92308
-
-Since `patch` cannot apply Git binary diffs, we omit the addition of
-'tests/tga/bug00247a.c' and its associated binary data.
-
-From 341aa68843ceceae9ba6e083431f14a07bd92308 Mon Sep 17 00:00:00 2001
-From: "Christoph M. Becker" <cmbecker69@gmx.de>
-Date: Tue, 12 Jul 2016 19:23:13 +0200
-Subject: [PATCH] Unsupported TGA bpp/alphabit combinations should error
- gracefully
-
-Currently, only 24bpp without alphabits and 32bpp with 8 alphabits are
-really supported. All other combinations will be rejected with a warning.
-
-(cherry picked from commit cb1a0b7e54e9aa118270c23a4a6fe560e4590dc9)
----
- src/gd_tga.c             |  16 ++++++----------
- tests/tga/.gitignore     |   1 +
- tests/tga/CMakeLists.txt |   1 +
- tests/tga/Makemodule.am  |   4 +++-
- tests/tga/bug00247a.c    |  19 +++++++++++++++++++
- tests/tga/bug00247a.tga  | Bin 0 -> 36 bytes
- 6 files changed, 30 insertions(+), 11 deletions(-)
- create mode 100644 tests/tga/bug00247a.c
- create mode 100644 tests/tga/bug00247a.tga
-
-diff --git a/src/gd_tga.c b/src/gd_tga.c
-index 20fe2d2..b4f8fa6 100644
---- a/src/gd_tga.c
-+++ b/src/gd_tga.c
-@@ -99,7 +99,7 @@ BGD_DECLARE(gdImagePtr) gdImageCreateFromTgaCtx(gdIOCtx* ctx)
- 			if (tga->bits == TGA_BPP_24) {
- 				*tpix = gdTrueColor(tga->bitmap[bitmap_caret + 2], tga->bitmap[bitmap_caret + 1], tga->bitmap[bitmap_caret]);
- 				bitmap_caret += 3;
--			} else if (tga->bits == TGA_BPP_32 || tga->alphabits) {
-+			} else if (tga->bits == TGA_BPP_32 && tga->alphabits) {
- 				register int a = tga->bitmap[bitmap_caret + 3];
- 
- 				*tpix = gdTrueColorAlpha(tga->bitmap[bitmap_caret + 2], tga->bitmap[bitmap_caret + 1], tga->bitmap[bitmap_caret], gdAlphaMax - (a >> 1));
-@@ -159,16 +159,12 @@ int read_header_tga(gdIOCtx *ctx, oTga *tga)
- 	printf("wxh: %i %i\n", tga->width, tga->height);
- #endif
- 
--	switch(tga->bits) {
--	case 8:
--	case 16:
--	case 24:
--	case 32:
--		break;
--	default:
--		gd_error("bps %i not supported", tga->bits);
-+	if (!((tga->bits == TGA_BPP_24 && tga->alphabits == 0)
-+		|| (tga->bits == TGA_BPP_32 && tga->alphabits == 8)))
-+	{
-+		gd_error_ex(GD_WARNING, "gd-tga: %u bits per pixel with %u alpha bits not supported\n",
-+			tga->bits, tga->alphabits);
- 		return -1;
--		break;
- 	}
- 
- 	tga->ident = NULL;
diff --git a/gnu/packages/patches/gd-fix-test-on-i686.patch b/gnu/packages/patches/gd-fix-test-on-i686.patch
deleted file mode 100644
index 6dd2e0fb03..0000000000
--- a/gnu/packages/patches/gd-fix-test-on-i686.patch
+++ /dev/null
@@ -1,34 +0,0 @@
-Disable part of the gdimagerotate test on architectures such as i686
-where intermediate floating-point operations are done with 80-bit long
-doubles, and typically later rounded to 64-bit doubles.  This double
-rounding causes small differences in the resulting pixel values
-compared with other architectures, causing the image comparison to
-fail.
-
-Patch by Mark H Weaver <mhw@netris.org>.
-
---- libgd-2.2.2/tests/gdimagerotate/bug00067.c	1969-12-31 19:00:00.000000000 -0500
-+++ libgd-2.2.2/tests/gdimagerotate/bug00067.c	2016-07-18 12:19:19.885423132 -0400
-@@ -1,5 +1,6 @@
- #include <stdio.h>
- #include <stdlib.h>
-+#include <float.h>
- #include "gd.h"
- 
- #include "gdtest.h"
-@@ -41,6 +42,7 @@
- 			return 1;
- 		}
- 
-+#if FLT_EVAL_METHOD != 2
- 		sprintf(filename, "bug00067_%03d_exp.png", angle);
- 		path = gdTestFilePath2("gdimagerotate", filename);
- 		if (!gdAssertImageEqualsToFile(path, exp)) {
-@@ -48,6 +50,7 @@
- 			error += 1;
- 		}
- 		free(path);
-+#endif
- 
- 		gdImageDestroy(exp);
- 	}
diff --git a/gnu/packages/patches/gd-fix-tests-on-i686.patch b/gnu/packages/patches/gd-fix-tests-on-i686.patch
new file mode 100644
index 0000000000..280893c1d4
--- /dev/null
+++ b/gnu/packages/patches/gd-fix-tests-on-i686.patch
@@ -0,0 +1,66 @@
+Disable some image comparison tests on architectures such as i686
+where intermediate floating-point operations are done with 80-bit long
+doubles, and typically later rounded to 64-bit doubles.  This double
+rounding causes small differences in the resulting pixel values
+compared with other architectures, causing the image comparisons to
+fail.
+
+Patch by Mark H Weaver <mhw@netris.org>.
+
+diff -ru libgd-2.2.3.orig/tests/gdimagecopyresampled/basic_alpha.c libgd-2.2.3/tests/gdimagecopyresampled/basic_alpha.c
+--- libgd-2.2.3.orig/tests/gdimagecopyresampled/basic_alpha.c	2016-07-21 04:06:42.000000000 -0400
++++ libgd-2.2.3/tests/gdimagecopyresampled/basic_alpha.c	2016-07-29 13:50:56.214877446 -0400
+@@ -1,5 +1,6 @@
+ /* Testing basic gdImageCopyResampled() functionality with alpha channel */
+ 
++#include <float.h>
+ #include "gd.h"
+ #include "gdtest.h"
+ 
+@@ -33,7 +34,8 @@
+ 	gdImageCopyResampled(copy, im, 0,0, 0,0, 200,200, 400,300);
+ 	gdImageDestroy(im);
+ 
+-	gdAssertImageEqualsToFile("gdimagecopyresampled/basic_alpha_exp.png", copy);
++	if (FLT_EVAL_METHOD != 2)
++		gdAssertImageEqualsToFile("gdimagecopyresampled/basic_alpha_exp.png", copy);
+ 
+ 	gdImageDestroy(copy);
+ 	return gdNumFailures();
+diff -ru libgd-2.2.3.orig/tests/gdimagecopyresampled/bug00201.c libgd-2.2.3/tests/gdimagecopyresampled/bug00201.c
+--- libgd-2.2.3.orig/tests/gdimagecopyresampled/bug00201.c	2016-07-21 04:06:42.000000000 -0400
++++ libgd-2.2.3/tests/gdimagecopyresampled/bug00201.c	2016-07-29 13:50:30.638559003 -0400
+@@ -1,3 +1,4 @@
++#include <float.h>
+ #include "gd.h"
+ #include "gdtest.h"
+ 
+@@ -65,7 +66,8 @@
+     gdImageDestroy(background);
+     gdImageDestroy(scaled_logo);
+     
+-    gdAssertImageEqualsToFile("gdimagecopyresampled/bug00201_exp.png", img);
++    if (FLT_EVAL_METHOD != 2)
++        gdAssertImageEqualsToFile("gdimagecopyresampled/bug00201_exp.png", img);
+     gdImageDestroy(img);
+     return gdNumFailures();
+ }
+diff -ru libgd-2.2.3.orig/tests/gdimagerotate/bug00067.c libgd-2.2.3/tests/gdimagerotate/bug00067.c
+--- libgd-2.2.3.orig/tests/gdimagerotate/bug00067.c	2016-06-18 05:42:16.000000000 -0400
++++ libgd-2.2.3/tests/gdimagerotate/bug00067.c	2016-07-29 13:50:07.566271765 -0400
+@@ -1,5 +1,6 @@
+ #include <stdio.h>
+ #include <stdlib.h>
++#include <float.h>
+ #include "gd.h"
+ 
+ #include "gdtest.h"
+@@ -43,7 +44,7 @@
+ 
+ 		sprintf(filename, "bug00067_%03d_exp.png", angle);
+ 		path = gdTestFilePath2("gdimagerotate", filename);
+-		if (!gdAssertImageEqualsToFile(path, exp)) {
++		if (FLT_EVAL_METHOD != 2 && !gdAssertImageEqualsToFile(path, exp)) {
+ 			gdTestErrorMsg("comparing rotated image to %s failed.\n", path);
+ 			error += 1;
+ 		}