diff options
Diffstat (limited to 'gnu/packages/patches/gd-fix-tests-on-i686.patch')
| -rw-r--r-- | gnu/packages/patches/gd-fix-tests-on-i686.patch | 61 |
1 files changed, 61 insertions, 0 deletions
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..8db64e6aaf --- /dev/null +++ b/gnu/packages/patches/gd-fix-tests-on-i686.patch @@ -0,0 +1,61 @@ +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>. + +--- libgd-2.2.3/tests/gdimagerotate/bug00067.c 2016-06-18 05:42:16.000000000 -0400 ++++ libgd-2.2.3/tests/gdimagerotate/bug00067.c 2016-07-28 13:43:48.470767178 -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; + } +--- libgd-2.2.3/tests/gdimagecopyresampled/bug00201.c 2016-07-21 04:06:42.000000000 -0400 ++++ libgd-2.2.3/tests/gdimagecopyresampled/bug00201.c 2016-07-28 13:56:46.021447064 -0400 +@@ -1,3 +1,4 @@ ++#include <float.h> + #include "gd.h" + #include "gdtest.h" + +@@ -65,7 +66,7 @@ + gdImageDestroy(background); + gdImageDestroy(scaled_logo); + +- gdAssertImageEqualsToFile("gdimagecopyresampled/bug00201_exp.png", img); ++ FLT_EVAL_METHOD != 2 && gdAssertImageEqualsToFile("gdimagecopyresampled/bug00201_exp.png", img); + gdImageDestroy(img); + return gdNumFailures(); + } +--- libgd-2.2.3/tests/gdimagecopyresampled/basic_alpha.c 2016-07-21 04:06:42.000000000 -0400 ++++ libgd-2.2.3/tests/gdimagecopyresampled/basic_alpha.c 2016-07-28 13:57:18.857831608 -0400 +@@ -1,5 +1,6 @@ + /* Testing basic gdImageCopyResampled() functionality with alpha channel */ + ++#include <float.h> + #include "gd.h" + #include "gdtest.h" + +@@ -33,7 +34,7 @@ + gdImageCopyResampled(copy, im, 0,0, 0,0, 200,200, 400,300); + gdImageDestroy(im); + +- gdAssertImageEqualsToFile("gdimagecopyresampled/basic_alpha_exp.png", copy); ++ FLT_EVAL_METHOD != 2 && gdAssertImageEqualsToFile("gdimagecopyresampled/basic_alpha_exp.png", copy); + + gdImageDestroy(copy); + return gdNumFailures(); |