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-rw-r--r--gnu/packages/image.scm5
1 files changed, 4 insertions, 1 deletions
diff --git a/gnu/packages/image.scm b/gnu/packages/image.scm
index 4039c1a00b..b286089713 100644
--- a/gnu/packages/image.scm
+++ b/gnu/packages/image.scm
@@ -647,12 +647,15 @@ graphics image formats like PNG, BMP, JPEG, TIFF and others.")
"/lib/python2.7/site-packages")
;; OpenEXR is not enabled by default.
"-DWITH_OPENEXR=1"
+ ;; Fix rounding error on 32-bit machines
+ "-DCMAKE_C_FLAGS=-ffloat-store"
;; The header files of ilmbase are not found when included
;; by the header files of openexr, and an explicit flag
;; needs to be set.
(string-append "-DCMAKE_CXX_FLAGS=-I"
(assoc-ref %build-inputs "ilmbase")
- "/include/OpenEXR"))))
+ "/include/OpenEXR"
+ " -ffloat-store"))))
(synopsis "Computer vision library")
(description
"VIGRA stands for Vision with Generic Algorithms. It is an image