--- Makefile.orig	2022-01-13 23:29:59.000000000 +0000
+++ Makefile	2026-07-21 12:39:09.844672000 +0000
@@ -19,7 +19,7 @@
 
 CPPFLAGS := $(CPPFLAGS) -DNDEBUG -pthread
 
-CXX := g++
+CXX ?= g++
 ifeq ($(OS),Darwin)
 	CXX := g++-11
 endif
@@ -44,7 +44,7 @@
 	strip $(OS)/muscle
 
 gitver.txt : $(SRCS)
-	bash ./gitver.bash
+	sh ./gitver.bash
 
 $(OS)/ :
 	mkdir -p $(OS)/