-#
-# Basic and crude Makefile...
-#
+##
+## Please check the configurion parameters below
+##
-# Targets to build
-PROGS= iwconfig iwlist iwpriv iwspy iwgetid
-
-# Installation directory. By default, go in local.
-# Distributions should probably use /usr/sbin, but they probably know better...
-INSTALL_DIR= /usr/local/sbin
-
-# This is our header selection. Try to hide the mess and the misery :-(
-# Please choose *only one* of the define...
-
-# Kernel headers 2.4.X + Glibc 2.2 - Mandrake 8.0 */
-#HEADERS= -DGLIBC22_HEADERS
-
-# Kernel headers 2.0.X + Glibc 2.0 - Debian 2.0, RH 5
-# Kernel headers 2.2.X + Glibc 2.1 - Debian 2.2, RH 6.1
-# Kernel headers 2.4.X + Glibc 2.1 - Debian 2.2 upgraded, RH 7.0
-HEADERS= -DGLIBC_HEADERS
-
-# Kernel headers 2.2.X + Glibc 2.0 - Debian 2.1
-#HEADERS= -DKLUDGE_HEADERS
-
-# Kernel headers 2.0.X + libc5 - old systems
-#HEADERS= -DLIBC5_HEADERS
-
-# Use private copy of Wireless Extension definition instead of the
-# system wide one in /usr/include/linux. Use with care.
-# Can be used to create multiple versions of the tools on the same system
-# for multiple kernels or get around broken distributions.
-#WE_HEADER= -DPRIVATE_WE_HEADER
-WE_HEADER=
-
-# ------------ End of config --------------
+## 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
-RM = rm -f
-
-RM_CMD = $(RM) *.BAK *.bak *.o ,* *~ *.a
-
-CFLAGS=-O2 -Wall $(HEADERS) $(WE_HEADER)
+## Other tools you need to modify for cross compile (static lib only)
+AR = ar
+RANLIB = ranlib
-LIBS=-lm
+## 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
-all:: $(PROGS)
+## Uncomment this to build without using libm (less efficient)
+## This is mostly useful for embedded platforms without maths.
+# BUILD_NOLIBM = y
-.c.o:
- $(CC) $(CFLAGS) -c $<
+## Uncomment this to strip binary from symbols. This reduce binary size
+## by a few percent but make debug worse...
+# BUILD_STRIPPING = y
-iwconfig: iwconfig.o iwcommon.o
- $(CC) $(CFLAGS) -o $@ $^ $(LIBS)
+# ***************************************************************************
+# ***** Most users should not need to change anything beyond this point *****
+# ***************************************************************************
-iwlist: iwlist.o iwcommon.o
- $(CC) $(CFLAGS) -o $@ $^ $(LIBS)
+# Version of the Wireless Tools
+WT_VERSION := $(shell sed -ne "/WT_VERSION/{s:\([^0-9]*\)::;p;q;}" < iwlib.h )
-iwpriv: iwpriv.o iwcommon.o
- $(CC) $(CFLAGS) -o $@ $^ $(LIBS)
+# Version of Wireless Extensions.
+WE_VERSION := $(shell sed -ne "/WE_VERSION/{s:\([^0-9]*\)::;p;q;}" < iwlib.h )
-iwspy: iwspy.o iwcommon.o
- $(CC) $(CFLAGS) -o $@ $^ $(LIBS)
+# Always use local header for wireless extensions
+WEXT_HEADER = wireless.$(WE_VERSION).h
-iwgetid: iwgetid.o
- $(CC) $(CFLAGS) -o $@ $^
-
-# So crude but so effective ;-)
-install::
- cp $(PROGS) $(INSTALL_DIR)
+# Targets to build
+STATIC=libiw.a
+DYNAMIC=libiw.so.$(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 iwmulticall
+
+# 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 = $(RM) *.BAK *.bak *.d *.o *.so ,* *~ *.a *.orig *.rej *.out
+LDCONFIG = ldconfig
+
+# Do we want to build with or without libm ?
+ifdef BUILD_NOLIBM
+ LIBS=
+ WELIB_FLAG= -DWE_NOLIBM=y
+else
+ LIBS= -lm
+endif
+
+# Stripping or not ?
+ifdef BUILD_STRIPPING
+ STRIPFLAGS= -Wl,-s
+else
+ STRIPFLAGS=
+endif
+
+# Other flags
+CFLAGS=-Os -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow \
+ -Wpointer-arith -Wcast-qual -Winline -I.
+#CFLAGS=-O2 -W -Wall -Wstrict-prototypes -I.
+DEPFLAGS=-MMD
+XCFLAGS=$(CFLAGS) $(DEPFLAGS) $(WARN) $(HEADERS) $(WELIB_FLAG)
+PICFLAG=-fPIC
+
+# Standard compilation targets
+all:: $(IWLIB) $(PROGS)
+
+%: %.o
+ $(CC) $(LDFLAGS) $(STRIPFLAGS) $(XCFLAGS) -o $@ $^ $(LIBS)
+%.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)
+
+# Always do symbol stripping here
+iwmulticall: iwmulticall.o
+ $(CC) $(LDFLAGS) -Wl,-s $(XCFLAGS) -o $@ $^ $(LIBS)
+
+# It's a kind of magic...
+wireless.h:
+ cp $(WEXT_HEADER) wireless.h
+
+# Compilation of the dynamic library
+$(DYNAMIC): $(OBJS:.o=.so)
+ $(CC) -shared -o $@ -Wl,-soname,$@ $(STRIPFLAGS) $(LIBS) -lc $^
+
+# Compilation of the static library
+$(STATIC): $(OBJS:.o=.so)
+ $(RM) $@
+ $(AR) cru $@ $^
+ $(RANLIB) $@
+
+# Installation : So crude but so effective ;-)
+# Less crude thanks to many contributions ;-)
+install:: $(IWLIB_INSTALL) install-bin install-hdr install-man
+
+# 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)
+
+# All the binaries. Careful, no dependancy on install-dynamic
+install-bin:: all
+ install -m 755 -d $(INSTALL_DIR)
+ install -m 755 $(PROGS) $(INSTALL_DIR)
+
+# Headers to go with the wireless lib (dev)
+install-hdr:: wireless.h
+ install -m 755 -d $(INSTALL_INC)
+ install -m 644 iwlib.h $(INSTALL_INC)
+ install -m 644 wireless.h $(INSTALL_INC)
+
+# How could you live without those manapages ?
+install-man::
+ 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-iwmulticall:: iwmulticall
+ install -m 755 -d $(INSTALL_DIR)
+ install -m 755 $< $(INSTALL_DIR)/iwconfig
+ ( cd $(INSTALL_DIR) ; \
+ ln -f -s iwconfig iwlist ; \
+ ln -f -s iwconfig iwspy ; \
+ ln -f -s iwconfig iwpriv ; \
+ ln -f -s iwconfig iwgetid )
clean::
$(RM_CMD)
realclean::
$(RM_CMD)
- $(RM) $(PROGS)
-
-depend::
- makedepend -s "# DO NOT DELETE" -- $(INCLUDES) -- $(SRCS)
-# DO NOT DELETE
+ $(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
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