$NetBSD: patch-Makefile,v 1.1.1.1 2012/09/14 17:46:23 asau Exp $

--- Makefile.orig	2009-10-10 16:00:20.000000000 +0000
+++ Makefile
@@ -19,32 +19,32 @@
 # ---------------------------------------------------------------------
 
 # Set this variable to either UNIX, MAC or WIN
-SYS = UNIX
+SYS ?= UNIX
 
 # Leave blank after "=" to disable; put "= 1" to enable
 WITH_R_PLUGINS = 1
 WITH_WEBCHECK = 1
-FORCE_32BIT = 
+FORCE_32BIT ?= 
 WITH_ZLIB = 1
-WITH_LAPACK = 
-FORCE_DYNAMIC = 
+WITH_LAPACK ?= 
+FORCE_DYNAMIC ?= 
 
 # Put C++ compiler here; Windows has it's own specific version
 CXX_UNIX = g++
 CXX_WIN = c:\bin\mingw\bin\mingw32-g++.exe
 
 # Any other compiler flags here ( -Wall, -g, etc)
-CXXFLAGS = 
+CXXFLAGS ?= 
 
 # Misc
-LIB_LAPACK = /usr/lib/liblapack.so.3
-
+LIB_LAPACK ?= /usr/lib/liblapack.so.3
+LIBDL ?= -ldl
 
 # --------------------------------------------------------------------
 # Do not edit below this line
 # --------------------------------------------------------------------
 
-CXXFLAGS += -O3 -I.
+CXXFLAGS += -I.
 OUTPUT = plink
 
 # Some system specific flags
@@ -59,7 +59,7 @@ endif
 
 ifeq ($(SYS),UNIX)
  CXXFLAGS += -DUNIX
- CXX = $(CXX_UNIX)
+ CXX ?= $(CXX_UNIX)
  ifndef FORCE_DYNAMIC
   CXXFLAGS += -static
  endif
@@ -125,10 +125,10 @@ CXXFLAGS += -DWITH_R_PLUGINS
 HDR += sisocks.h Rsrv.h Rconnection.h config.h
 SRC += r.cpp Rconnection.cpp
 ifeq ($(SYS),MAC)
-LIB += -ldl
+LIB += ${LIBDL}
 endif
 ifeq ($(SYS),UNIX)
-LIB += -ldl -lcrypt
+LIB += ${LIBDL} -lcrypt
 endif
 endif
 
@@ -151,7 +151,7 @@ OBJ = $(SRC:.cpp=.o)
 all : $(OUTPUT) 
 
 $(OUTPUT) :
-	$(CXX) $(CXXFLAGS) -o $(OUTPUT) $(OBJ) $(LIB) 
+	$(CXX) -o $(OUTPUT) $(OBJ) $(LIB) 
 
 $(OBJ) : $(HDR)