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-rw-r--r--gnu/packages/patches/potrace-tests.patch50
1 files changed, 50 insertions, 0 deletions
diff --git a/gnu/packages/patches/potrace-tests.patch b/gnu/packages/patches/potrace-tests.patch
new file mode 100644
index 0000000000..407be98dab
--- /dev/null
+++ b/gnu/packages/patches/potrace-tests.patch
@@ -0,0 +1,50 @@
+This relaxes the comparison threshold between the reference data
+and the bitmaps produced by Ghostscript interpreting the vectorized
+image. Apparently the threshold has become too low with the switch
+to from Ghostscript 2.21 to 2.22.
+
+--- potrace-1.15/check/postscript-check.sh 2018-01-06 19:47:26.194900686 +0100
++++ potrace-1.15/check/postscript-check.sh 2018-01-06 19:51:35.937503739 +0100
+@@ -70,15 +70,15 @@ if test $? -ne 0; then
+ echo "Something is wrong with $GS; skipping this test" >& 2
+ exit 77
+ fi
+-actiondiff "$TMP2" "$REFDATA" 1000
++actiondiff "$TMP2" "$REFDATA" 1500
+
+ action $POTRACE -r50 -p -L 0 -B 0 --opaque -o "$TMP1" "$DATA"
+ action "$GS" -q -dNOPAUSE -sDEVICE=pbmraw -g460x394 -r100x100 -sOutputFile="$TMP2" -- "$TMP1"
+-actiondiff "$TMP2" "$REFDATA" 1200
++actiondiff "$TMP2" "$REFDATA" 1500
+
+ action $POTRACE -r50 -p -L 0 -B 0 -A 160 -o "$TMP1" "$DATA"
+ action "$GS" -q -dNOPAUSE -sDEVICE=pbmraw -g568x528 -r100x100 -sOutputFile="$TMP2" -- "$TMP1"
+-actiondiff "$TMP2" "$REFDATAROT" 1200
++actiondiff "$TMP2" "$REFDATAROT" 1500
+
+ action rm -f "$TMP1"
+ action rm -f "$TMP2"
+
+--- potrace-1.15/check/pdf-check.sh 2018-01-06 19:47:28.698886663 +0100
++++ potrace-1.15/check/pdf-check.sh 2018-01-06 20:54:14.895460329 +0100
+@@ -72,15 +72,15 @@ if test $? -ne 0 -o ! -f "$TMP2"; then
+ echo "GS does not understand PDF; skipping this test" >& 2
+ exit 77
+ fi
+-actiondiff "$TMP2" "$REFDATA" 1000
++actiondiff "$TMP2" "$REFDATA" 1500
+
+ action $POTRACE -r50 -p -L 0 -B 0 --opaque -b pdf -o "$TMP1" "$DATA"
+ action "$GS" -q -dNOPAUSE -sDEVICE=pbmraw -g460x394 -r100x100 -sOutputFile="$TMP2" -- "$TMP1"
+-actiondiff "$TMP2" "$REFDATA" 1200
++actiondiff "$TMP2" "$REFDATA" 1500
+
+ action $POTRACE -r50 -p -L 0 -B 0 -A 160 -b pdf -o "$TMP1" "$DATA"
+ action "$GS" -q -dNOPAUSE -sDEVICE=pbmraw -g568x528 -r100x100 -sOutputFile="$TMP2" -- "$TMP1"
+-actiondiff "$TMP2" "$REFDATAROT" 1200
++actiondiff "$TMP2" "$REFDATAROT" 1500
+
+ action rm -f "$TMP1"
+ action rm -f "$TMP2"
+
+Diff finished. Sat Jan 6 20:54:50 2018