Force ipv4 on makefile

diff --git a/2021/Makefile b/2021/Makefile
index 46e9ef6eeb2e16974a68608e703453a311ea97ae..a41476663ce93cb0aaa30f3570142bf4502b1795 100644 (file)
--- a/2021/Makefile
+++ b/2021/Makefile
@@ -21,10 +21,10 @@ wikipages:
        $(shell ../markdown-convert.sh $<)
 
 speakers: 
-       curl -s https://my.fsf.org/lp-talk/42| sed -n 's=/lp-talk/42=/2021/speakers/=g; s=/lp-schedule-2021=/2021/program/=g; s/fa fa-/glyphicon glyphicon-/g; /pagestart/s/<\/div>//; /pagestart/,/pageend/p; ' > includes/generated-bios.html
+       curl -4 -s https://my.fsf.org/lp-talk/42| sed -n 's=/lp-talk/42=/2021/speakers/=g; s=/lp-schedule-2021=/2021/program/=g; s/fa fa-/glyphicon glyphicon-/g; /pagestart/s/<\/div>//; /pagestart/,/pageend/p; ' > includes/generated-bios.html
 
 sessions: 
-       curl -s https://my.fsf.org/lp-schedule/42| sed -n 's=/lp-talk/42=/2021/speakers/=g; s=/lp-schedule-2021=/2021/program/=g; s/fa fa-/glyphicon glyphicon-/g; /pagestart/s/<\/div>//; /pagestart/,/pageend/p; ' > includes/generated-sessions.html
+       curl -4 -s https://my.fsf.org/lp-schedule/42| sed -n 's=/lp-talk/42=/2021/speakers/=g; s=/lp-schedule-2021=/2021/program/=g; s/fa fa-/glyphicon glyphicon-/g; /pagestart/s/<\/div>//; /pagestart/,/pageend/p; ' > includes/generated-sessions.html
 
 clean:
        rm  -f includes/generated-sessions.html includes/generated-bios.html