diff --git a/RunTest b/RunTest
index 32d218b..8419b02 100755
--- a/RunTest
+++ b/RunTest
@@ -121,8 +121,10 @@ fi
 #  $1 the value of $? after a call to pcre2test
 #  $2 the suffix of the output file to compare with
 #  $3 the $opt value (empty, -jit, or -dfa)
+#
+# Note: must define using name(), not "function name", for Solaris.
 
-function checkresult()
+checkresult()
   {
   if [ $1 -ne 0 ] ; then 
     echo "** pcre2test failed - check testtry"
diff --git a/maint/ManyConfigTests b/maint/ManyConfigTests
index 6192e36..a1dba03 100755
--- a/maint/ManyConfigTests
+++ b/maint/ManyConfigTests
@@ -80,9 +80,11 @@ fi
 
 
 # This function runs a single test with the set of configuration options that
-# are in $opts. The source directory must be set in srcdir.
+# are in $opts. The source directory must be set in srcdir. The function must
+# be defined as "runtest()" not "function runtest()" in order to run on 
+# Solaris.
 
-function runtest()
+runtest()
   {
   rm -f $srcdir/pcre2test $srcdir/pcre2grep $srcdir/pcre2_jit_test
   testcount=`expr $testcount + 1`