$NetBSD: patch-Makefile,v 1.3 2019/10/06 17:02:10 bad Exp $

--- Makefile.orig	2018-11-14 16:10:06.000000000 +0000
+++ Makefile
@@ -359,7 +359,9 @@ YACC		= bison
 AWK		= awk
 PERL		= perl
 PYTHON		?= python
-PYTHON2		= python2
+PYTHON2		?= python2
+PYTHONCONFIG	?= $(PYTHON)-config
+PYTHONLIBPATH	?=#empty but overridable
 PYTHON3		= python3
 DTC		?= $(objtree)/scripts/dtc/dtc
 CHECK		= sparse
@@ -1472,7 +1474,7 @@ prepare: prepare0
 
 define filechk_version.h
 	(echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \
-	echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \
+	echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION \"$(UBOOT_PKGREVISION)\"; \
 	echo \#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \
 	echo \#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; )
 endef
@@ -1619,12 +1621,12 @@ CHANGELOG:
 # make distclean Remove editor backup files, patch leftover files and the like
 
 # Directories & files removed with 'make clean'
-CLEAN_DIRS  += $(MODVERDIR) \
+CLEAN_DIRS  += $(MODVERDIR) SPL \
 	       $(foreach d, spl tpl, $(patsubst %,$d/%, \
 			$(filter-out include, $(shell ls -1 $d 2>/dev/null))))
 
 CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h \
-	       boot* u-boot* MLO* SPL System.map fit-dtb.blob
+	       boot* u-boot* MLO* System.map fit-dtb.blob
 
 # Directories & files removed with 'make mrproper'
 MRPROPER_DIRS  += include/config include/generated spl tpl \