--- a/Makefile	Sun Dec 27 22:04:43 2015 +0200
+++ b/Makefile	Sun Dec 27 22:10:29 2015 +0200
@@ -4,13 +4,14 @@
 #
 
 # C-compiler, flags and linker flags
-CC=gcc
-AR=ar
-RANLIB=ranlib
+PREFIX ?= /usr/local
+CC ?= gcc
+AR ?= ar
+RANLIB ?= ranlib
+INSTALL ?= install
 
-CFLAGS=-DHAVE_STRING_H -DHAVE_STDINT_H -DHAVE_CONFIG_H=1 -I.
-
-LDFLAGS=
+CFLAGS += -DHAVE_STRING_H -DHAVE_STDINT_H -DHAVE_CONFIG_H=1 -I.
+LDFLAGS +=
 
 #CFLAGS += -DHAVE_STDINT_H
 #CFLAGS += -DHAVE_SYS_TYPES_H
@@ -25,7 +26,7 @@
 ### Stuff
 ###
 ENDIANCHK_BIN=$(BINPATH)endianchk$(EXEEXT)
-TARGETS += $(ENDIANCHK_BIN) config.h
+NOINST_TARGETS += $(ENDIANCHK_BIN) config.h
 
 include Makefile.gen
 
@@ -35,3 +36,6 @@
 
 config.h: $(ENDIANCHK_BIN)
 	$(ENDIANCHK_BIN) > $@
+
+install: all
+	@for fn in $(TARGETS); do echo " INSTALL $$fn $(PREFIX)/bin/"; $(INSTALL) -m 755 "$$fn" $(PREFIX)/bin/; done

--- a/Makefile.gen	Sun Dec 27 22:04:43 2015 +0200
+++ b/Makefile.gen	Sun Dec 27 22:10:29 2015 +0200
@@ -16,15 +16,15 @@
 SIDINFO_OBJ=sidinfo.o
 SIDINFO_BIN=$(BINPATH)sidinfo$(EXEEXT)
 
-TARGETS+=$(THLIBS_A) $(SIDINFO_BIN)
-
-NONBUILD+=$(OBJPATH) $(BINPATH)
+TARGETS += $(SIDINFO_BIN)
+NOINST_TARGETS += $(THLIBS_A)
+NONBUILD += $(OBJPATH) $(BINPATH)
 
 
 #
 # Target rules
 #
-all: $(NONBUILD) $(TARGETS)
+all: $(NONBUILD) $(NOINST_TARGETS) $(TARGETS)
 
 $(OBJPATH):
 	$(MKDIR_P) $@

--- a/Makefile.w32	Sun Dec 27 22:04:43 2015 +0200
+++ b/Makefile.w32	Sun Dec 27 22:10:29 2015 +0200
@@ -4,13 +4,13 @@
 
 # C-compiler, flags and linker flags
 MINGW_PREFIX=i686-w64-mingw32-
-CC=$(MINGW_PREFIX)gcc
-AR=$(MINGW_PREFIX)ar
-RANLIB=$(MINGW_PREFIX)ranlib
-WINDRES=$(MINGW_PREFIX)windres
+CC ?= $(MINGW_PREFIX)gcc
+AR ?= $(MINGW_PREFIX)ar
+RANLIB ?= $(MINGW_PREFIX)ranlib
+WINDRES ?= $(MINGW_PREFIX)windres
 
-CFLAGS=-DHAVE_STRING_H -DTH_BYTEORDER=TH_LITTLE_ENDIAN -mconsole
-LDFLAGS= -s
+CFLAGS += -DHAVE_STRING_H -DTH_BYTEORDER=TH_LITTLE_ENDIAN -mconsole
+LDFLAGS += -s
 
 # Miscellaneous
 EXEEXT=.exe