1 files changed, 7 insertions, 2 deletions

diff --git a/src/regress/lib/libcrypto/bn/Makefile b/src/regress/lib/libcrypto/bn/Makefile
index 2ba1d396dd..9d9d77ae2d 100644
--- a/src/regress/lib/libcrypto/bn/Makefile
+++ b/src/regress/lib/libcrypto/bn/Makefile
@@ -1,4 +1,4 @@
-#       $OpenBSD: Makefile,v 1.30 2023/04/17 19:37:18 tb Exp $
+#       $OpenBSD: Makefile,v 1.31 2023/04/17 19:51:05 tb Exp $
 
 PROGS +=        bn_add_sub
 PROGS +=        bn_cmp
@@ -53,10 +53,15 @@ CLEANFILES += bn_isqrt_gen_tables.txt.tmp bn_isqrt_gen_tables.txt
 run-regress-bn_test bn_test.out: bn_test
         ./bn_test -out bn_test.out
 
+.if exists(/usr/local/bin/bc-gh)
+BC ?=   bc-gh
+.endif
+BC ?=   bc
+
 REGRESS_TARGETS +=      run-bc
 .PHONY:                 run-bc
 run-bc: bn_test.out
-        bc < $> | tee bc.out | grep -v '^0$$'
+        ${BC} < $> | tee bc.out | grep -v '^0$$'
         ! grep -v '^test ' <bc.out | grep -v '^0$$'
 
 CLEANFILES +=   bn_test.out bc.out