Make sure DISPLAY is unset for inkscape processing.

diff --git a/doc/Makefile.am b/doc/Makefile.am
index 8d35e79..03e4898 100644 (file)
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -109,10 +109,10 @@ uninstall-hook:
        rm -r $(DESTDIR)$(docdir)
 
 domfilter.png: domfilter.svg
-       inkscape --export-png=$@ --export-width=600 $?
+       unset DISPLAY; inkscape --export-png=$@ --export-width=600 $?
 
 domfilter.eps: domfilter.svg
-       inkscape --export-eps=$@ --export-bbox-page $?
+       unset DISPLAY; inkscape --export-eps=$@ --export-bbox-page $?
 
 .eps.pdf:
        epstopdf -hires $?