diff options
Diffstat (limited to 'gnu/packages/patches/gd-fix-test-on-i686.patch')
| -rw-r--r-- | gnu/packages/patches/gd-fix-test-on-i686.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gnu/packages/patches/gd-fix-test-on-i686.patch b/gnu/packages/patches/gd-fix-test-on-i686.patch new file mode 100644 index 0000000000..6dd2e0fb03 --- /dev/null +++ b/gnu/packages/patches/gd-fix-test-on-i686.patch @@ -0,0 +1,34 @@ +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); + } |