From d3e1dfd3f53387e26282fa2fd29cd7996d69ffc9 Mon Sep 17 00:00:00 2001
From: Wilson Snyder <wsnyder@wsnyder.org>
Date: Tue, 30 Oct 2018 20:28:39 -0400
Subject: [PATCH] Tests: Add VERILATOR_MAKE override variable.

---
 test_regress/driver.pl | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/test_regress/driver.pl b/test_regress/driver.pl
index 22f0d4bba..430db8cf9 100755
--- a/test_regress/driver.pl
+++ b/test_regress/driver.pl
@@ -187,8 +187,9 @@ sub one_test {
 	     } else {
 		 $test->oprint("FAILED: ","*"x60,"\n");
 		 my $j = ($opt_jobs>1?" -j":"");
-		 push @fails, ("\t#".$test->soprint("%Error: $test->{errors}\n")
-			       ."\t\tmake$j && test_regress/"
+                 my $makecmd = $ENV{VERILATOR_MAKE} || "make$j &&";
+                 push @fails, ("\t#".$test->soprint("%Error: $test->{errors}\n")
+                               ."\t\t$makecmd test_regress/"
                                .$test->{pl_filename}
                                ." ".join(' ', _args_scenario())
                                ." --".$test->{scenario}."\n");
@@ -2143,6 +2144,10 @@ Command to use to invoke GHDL.
 
 Command to use to invoke Icarus Verilog.
 
+=item VERILATOR_MAKE
+
+Command to use to rebuild Verilator and run single test.  Defaults to "make &&".
+
 =item VERILATOR_MODELSIM
 
 Command to use to invoke ModelSim.