$NetBSD: patch-build_Makefile,v 1.1 2021/05/14 13:35:47 nia Exp $

Honor environment.

--- build/Makefile.orig	2010-04-27 06:31:00.000000000 +0000
+++ build/Makefile
@@ -7,17 +7,14 @@ BUILD_DIR = $(addsuffix _build,$(BINARY)
 DEPEND = $(BUILD_DIR)/depend
 COMMON_DIR = ../src/common
 MAIN_DIR = ../src/$(BINARY)
-LEX = flex
 LFLAGS = -8
-YACC = bison
 YFLAGS = -d
-CC = gcc
 IFLAGS = -I$(COMMON_DIR) -I$(MAIN_DIR) -I$(BUILD_DIR) 
 ifneq ($(strip $(LOCALES)),)
 MOFLAGS = -DMO_DIR=\"$(MO_DIR)\" 
 endif
-CFLAGS = -Wall -D__$(BINARY)__ $(IFLAGS) $(MOFLAGS)
-LDFLAGS = -lncurses -lreadline -lm
+CFLAGS += -Wall -D__$(BINARY)__ $(IFLAGS) $(MOFLAGS)
+LDFLAGS += -lncurses -lreadline -lm
 VPATH = $(COMMON_DIR):$(MAIN_DIR):$(BUILD_DIR)
 
 $(BINARY):
