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-rw-r--r--pkgs/tools/graphics/qrdecode/default.nix5
1 files changed, 4 insertions, 1 deletions
diff --git a/pkgs/tools/graphics/qrdecode/default.nix b/pkgs/tools/graphics/qrdecode/default.nix
index 39e61aba6670b..16c91720964a5 100644
--- a/pkgs/tools/graphics/qrdecode/default.nix
+++ b/pkgs/tools/graphics/qrdecode/default.nix
@@ -6,7 +6,7 @@ let
 
   version = lib.attrByPath ["version"] "0.9.3" args; 
   buildInputs = with args; [
-    libpng libcv
+    libpng opencv
   ];
 in
 rec {
@@ -25,6 +25,9 @@ rec {
   preConfigure = fullDepEntry ''
     cd src
     sed -e /LDCONFIG/d -i libdecodeqr/Makefile.in
+    sed -e '/#include <cv.h>/a#include <ml.h>' -i libdecodeqr/imagereader.h
+    export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -I${args.opencv}/include/opencv"
+    export NIX_LDFLAGS="$NIX_LDFLAGS -lcxcore"
   '' ["doUnpack"];
   postInstall = fullDepEntry ''
     cp sample/simple/simpletest $out/bin/qrdecode