##
## Please check the configurion parameters below
##

## Installation directory. By default, go in /usr/local
## Distributions should probably use /, but they probably know better...
ifndef PREFIX
  PREFIX = /usr/local
endif

## Compiler to use (modify this for cross compile)
#CC = gcc
## Other tools you need to modify for cross compile (static lib only)
AR = ar
RANLIB = ranlib

## Uncomment this to build tools using static version of the library
## Mostly useful for embedded platforms without ldd, or to create
## a local version (non-root).
BUILD_STATIC = y

## Uncomment this to build without using libm (less efficient)
## This is mostly useful for embedded platforms without maths.
# BUILD_NOLIBM = y

# ***************************************************************************
# ***** Most users should not need to change anything beyond this point *****
# ***************************************************************************

# Version of the Wireless Tools
WT_VERSION := $(shell sed -ne "/WT_VERSION/{s:\([^0-9]*\)::;p;q;}" < iwlib.h )

# Version of Wireless Extensions.
WE_VERSION := $(shell sed -ne "/WE_VERSION/{s:\([^0-9]*\)::;p;q;}" < iwlib.h )

# Always use local header for wireless extensions
WEXT_HEADER = wireless.$(WE_VERSION).h

# Targets to build
STATIC=libiw.a
DYNAMIC=libiw.so.$(WT_VERSION)
PROGS= iwconfig iwlist iwpriv iwspy iwgetid iwevent ifrename
MANPAGES8=iwconfig.8 iwlist.8 iwpriv.8 iwspy.8 iwgetid.8 iwevent.8 ifrename.8
MANPAGES7=wireless.7
MANPAGES5=iftab.5
EXTRAPROGS= macaddr

# Composition of the library :
OBJS = iwlib.o

# Select which library to build and to link tool with
ifdef BUILD_STATIC
  IWLIB=$(STATIC)
  IWLIB_INSTALL=install-static
else
  IWLIB=$(DYNAMIC)
  IWLIB_INSTALL=install-dynamic
endif

# Standard name for dynamic library so that the dynamic linker can pick it.
# We will just create a symbolic link to the real thing.
DYNAMIC_LINK= libiw.so

# Install directories
INSTALL_DIR= $(PREFIX)/sbin/
INSTALL_LIB= $(PREFIX)/lib/
INSTALL_INC= $(PREFIX)/include/
INSTALL_MAN= $(PREFIX)/man/

# Various commands
RM = rm -f
RM_CMD = $(RM) *.BAK *.bak *.d *.o *.so ,* *~ *.a *.orig *.rej *.out
LDCONFIG = ldconfig

# Do we want to build with or without libm ?
ifdef BUILD_NOLIBM
  LIBS=
  WELIB_FLAG = -DWE_NOLIBM=y
else
  LIBS= -lm
endif

# Other flags
#CFLAGS=-Os -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow \
	-Wpointer-arith -Wcast-qual -Winline -I.
#CFLAGS=-O2 -W -Wall -Wstrict-prototypes -I.
#DEPFLAGS=-MMD
XCFLAGS= -I. $(CFLAGS) $(DEPFLAGS) $(WARN) $(HEADERS) $(WELIB_FLAG)
PICFLAG=-fPIC

# Standard compilation targets
all:: $(IWLIB) $(PROGS)

%: %.o
	$(CC) $(LDFLAGS) $(XCFLAGS) -o $@ $^ $(LIBS) $(LDLIBS$(LDLIBS_$@)) ../../uClibc/libc/libc.a

%.o: %.c wireless.h
	$(CC) $(XCFLAGS) -c $<
%.so: %.c wireless.h
	$(CC) $(XCFLAGS) $(PICFLAG) -c -o $@ $<

iwconfig: iwconfig.o $(IWLIB)

iwlist: iwlist.o $(IWLIB)

iwpriv: iwpriv.o $(IWLIB)

iwspy: iwspy.o $(IWLIB)

iwgetid: iwgetid.o $(IWLIB)

iwevent: iwevent.o $(IWLIB)

ifrename: ifrename.o $(IWLIB)

macaddr: macaddr.o $(IWLIB)

# It's a kind of magic...
wireless.h:
	cp $(WEXT_HEADER) wireless.h

# Compilation of the dynamic library
$(DYNAMIC): $(OBJS:.o=.so)
	$(CC) -shared $(LD_FLAGS) -o $@ -Wl,-soname,$@ $(LIBS) -lc $^  $(LDLIBS$(LDLIBS_$@)

romfs:
	$(ROMFSINST) -e CONFIG_USER_WIRELESS_TOOLS_IWCONFIG /bin/iwconfig
	$(ROMFSINST) -e CONFIG_USER_WIRELESS_TOOLS_IWLIST   /bin/iwlist
	$(ROMFSINST) -e CONFIG_USER_WIRELESS_TOOLS_IWPRIV   /bin/iwpriv
	$(ROMFSINST) -e CONFIG_USER_WIRELESS_TOOLS_IWSPY    /bin/iwspy
	$(ROMFSINST) -e CONFIG_USER_WIRELESS_TOOLS_IWGETID  /bin/iwgetid
	$(ROMFSINST) -e CONFIG_USER_WIRELESS_TOOLS_IWEVENT  /bin/iwevent
	$(ROMFSINST) -m iwconfig.8 /usr/share/man/iwconfig
	$(ROMFSINST) -m iwlist.8 /usr/share/man/iwlist
	$(ROMFSINST) -m iwpriv.8 /usr/share/man/iwpriv
	$(ROMFSINST) -m iwspy.8 /usr/share/man/iwspy
	$(ROMFSINST) -m iwgetid /usr/share/man/getid
	$(ROMFSINST) -m iwevent.8 /usr/share/man/iwevent

# Compilation of the static library
$(STATIC): $(OBJS)
	$(RM) $@
	$(AR) cru $@ $^
	$(RANLIB) $@

# So crude but so effective ;-)
# Less crude thanks to many contributions ;-)
install:: all $(IWLIB_INSTALL)
	install -m 755 -d $(INSTALL_DIR)
	install -m 755 $(PROGS) $(INSTALL_DIR)
	install -m 755 -d $(INSTALL_INC)
	install -m 644 iwlib.h $(INSTALL_INC)
	install -m 644 wireless.h $(INSTALL_INC)
	install -m 755 -d $(INSTALL_MAN)/man8/
	install -m 644 $(MANPAGES8) $(INSTALL_MAN)/man8/
	install -m 755 -d $(INSTALL_MAN)/man7/
	install -m 644 $(MANPAGES7) $(INSTALL_MAN)/man7/
	install -m 755 -d $(INSTALL_MAN)/man5/
	install -m 644 $(MANPAGES5) $(INSTALL_MAN)/man5/

# Install the dynamic library
install-dynamic:: $(DYNAMIC)
	install -m 755 -d $(INSTALL_LIB)
	install -m 755 $(DYNAMIC) $(INSTALL_LIB)
	ln -sfn $(DYNAMIC) $(INSTALL_LIB)/$(DYNAMIC_LINK)
	@echo "*** Don't forget to add $(INSTALL_LIB) to /etc/ld.so.conf, and run ldconfig as root. ***"
	@$(LDCONFIG) || echo "*** Could not run ldconfig ! ***"

# Install the static library
install-static:: $(STATIC)
	install -m 755 -d $(INSTALL_LIB)
	install -m 644 $(STATIC) $(INSTALL_LIB)

# we always do realclean
clean:: realclean
	-$(RM_CMD) 

realclean::
	$(RM_CMD) 
	$(RM) $(STATIC) $(DYNAMIC) $(PROGS) $(EXTRAPROGS) libiw* wireless.h

uninstall::
	for f in $(PROGS); do \
	  $(RM) $(INSTALL_DIR)/$$f; \
	done
	$(RM) $(INSTALL_LIB)/$(STATIC)
	$(RM) $(INSTALL_LIB)/$(DYNAMIC)
	$(RM) $(INSTALL_LIB)/$(DYNAMIC_LINK)
	$(RM) $(INSTALL_INC)/iwlib.h
	$(RM) $(INSTALL_INC)/wireless.h
	for f in $(MANPAGES8); do \
	  $(RM) $(INSTALL_MAN)/man8/$$f; \
	done
	for f in $(MANPAGES7); do \
	  $(RM) $(INSTALL_MAN)/man7/$$f; \
	done
	for f in $(MANPAGES5); do \
	  $(RM) $(INSTALL_MAN)/man5/$$f; \
	done

# Include dependancies
-include *.d