$NetBSD: patch-Makefile,v 1.3 2023/11/08 16:46:44 bacon Exp $

# Portability, respect env

--- Makefile.orig	2023-11-08 15:05:30.454330622 +0000
+++ Makefile
@@ -4,7 +4,7 @@
 # (c) 2009 Aaron Quinlan
 # ==========================
 
-SHELL := /bin/bash -e
+SHELL := /bin/sh -e
 
 VERSION_FILE=./src/utils/version/version_git.h
 RELEASED_VERSION_FILE=./src/utils/version/version_release.txt
@@ -21,7 +21,7 @@ OBJ_DIR	= obj
 BIN_DIR	= bin
 SRC_DIR	= src
 
-CXX     = g++
+CXX     ?= g++
 
 PYTHON ?= $(shell python --version >/dev/null 2>&1 && echo "python" || echo python3)
 
@@ -43,7 +43,7 @@ endif
 BT_LDFLAGS =
 BT_LIBS    = -lz -lm -lbz2 -llzma -lpthread
 
-prefix ?= /usr/local
+PREFIX ?= /usr/local
 
 SUBDIRS = $(SRC_DIR)/annotateBed \
 		  $(SRC_DIR)/bamToBed \
@@ -158,7 +158,7 @@ $(CCPREFIX) $(CC_WRAPPER) $(CXX) $(ALL_C
 @mv -f $*.Td $*.d
 endef
 
-$(OBJ_DIR)/%.d: ;
+$(OBJ_DIR)/%.d: $(OBJ_DIR);
 .PRECIOUS: $(OBJ_DIR)/%.d
 
 -include $(patsubst %.o,%.d,$(BUILT_OBJECTS))
@@ -200,9 +200,9 @@ $(BIN_DIR)/intersectBed: | $(BIN_DIR)
 .PHONY: all
 
 install: all
-	mkdir -p $(DESTDIR)$(prefix)/bin
+	mkdir -p $(DESTDIR)$(PREFIX)/bin
 	for file in bin/* ; do \
-		cp -f $$file $(DESTDIR)$(prefix)/bin; \
+		cp -f $$file $(DESTDIR)$(PREFIX)/bin; \
 	done
 
 print_banner: