Avoid hang on Solaris 10 in dejagnu auxiliary launcher

2 files changed, 5 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 232db1d..1227299 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2021-05-18  Jacob Bachmeyer  <jcb@gnu.org>
 
+	* dejagnu: Redirect input from /dev/null when testing if awk is
+	GNU Awk; this avoids a hang on Solaris 10 where awk treats
+	--version as an Awk program and attempts to read input.
+
 	* testsuite/report-card.all/onetest.exp: Avoid Tcl error when item
 	and totals lines are missing entirely.
 
diff --git a/dejagnu b/dejagnu
index d323a62..ee9c007 100755
--- a/dejagnu
+++ b/dejagnu
@@ -248,7 +248,7 @@ if $have_gawk ; then
 fi
 # is "awk" actually GNU Awk?
 if $have_awk ; then
-    case `"$awkbin" --version 2>&1 | sed 1q` in
+    case `"$awkbin" --version </dev/null 2>&1 | sed 1q` in
 	*'GNU Awk'*)	have_gawk_as_awk=true	;;
 	*)		have_gawk_as_awk=false	;;
     esac