Makefile

   1 -include .config
   2
   3 MAKEFLAGS += --no-print-directory
   4
   5 PREFIX ?= /usr
   6 SBINDIR ?= $(PREFIX)/sbin
   7 MANDIR ?= $(PREFIX)/share/man
   8 PKG_CONFIG ?= pkg-config
   9
  10 MKDIR ?= mkdir -p
  11 INSTALL ?= install
  12 CC ?= "gcc"
  13
  14 CFLAGS ?= -O2 -g
  15 CFLAGS += -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration
  16
  17 OBJS = iw.o genl.o event.o info.o phy.o \
  18         interface.o ibss.o station.o survey.o util.o \
  19         mesh.o mpath.o scan.o reg.o version.o \
  20         reason.o status.o connect.o link.o offch.o ps.o cqm.o \
  21         bitrate.o wowlan.o roc.o
  22 OBJS += sections.o
  23 ALL = iw
  24
  25 NL1FOUND := $(shell $(PKG_CONFIG) --atleast-version=1 libnl-1 && echo Y)
  26 NL2FOUND := $(shell $(PKG_CONFIG) --atleast-version=2 libnl-2.0 && echo Y)
  27 NL3FOUND := $(shell $(PKG_CONFIG) --atleast-version=3 libnl-3.0 && echo Y)
  28
  29 ifeq ($(NL1FOUND),Y)
  30 NLLIBNAME = libnl-1
  31 endif
  32
  33 ifeq ($(NL2FOUND),Y)
  34 CFLAGS += -DCONFIG_LIBNL20
  35 LIBS += -lnl-genl
  36 NLLIBNAME = libnl-2.0
  37 endif
  38
  39 # libnl-3 has a separate libnl-genl-3.0.pc
  40 ifeq ($(NL3FOUND),Y)
  41 CFLAGS += -DCONFIG_LIBNL30
  42 LIBS =
  43 NLLIBNAME = libnl-genl-3.0
  44 endif
  45
  46 ifeq ($(NLLIBNAME),)
  47 $(error Cannot find development files for any supported version of libnl)
  48 endif
  49
  50 LIBS += $(shell $(PKG_CONFIG) --libs $(NLLIBNAME))
  51 CFLAGS += $(shell $(PKG_CONFIG) --cflags $(NLLIBNAME))
  52
  53 ifeq ($(V),1)
  54 Q=
  55 NQ=true
  56 else
  57 Q=@
  58 NQ=echo
  59 endif
  60
  61 all: version_check $(ALL)
  62
  63 version_check:
  64 ifeq ($(NL3FOUND),Y)
  65 else
  66 ifeq ($(NL2FOUND),Y)
  67 else
  68 ifeq ($(NL1FOUND),Y)
  69 else
  70         $(error No libnl found)
  71 endif
  72 endif
  73 endif
  74
  75
  76 VERSION_OBJS := $(filter-out version.o, $(OBJS))
  77
  78 version.c: version.sh $(patsubst %.o,%.c,$(VERSION_OBJS)) nl80211.h iw.h Makefile \
  79                 $(wildcard .git/index .git/refs/tags)
  80         @$(NQ) ' GEN ' $@
  81         $(Q)./version.sh $@
  82
  83 %.o: %.c iw.h nl80211.h
  84         @$(NQ) ' CC  ' $@
  85         $(Q)$(CC) $(CFLAGS) -c -o $@ $<
  86
  87 iw:     $(OBJS)
  88         @$(NQ) ' CC  ' iw
  89         $(Q)$(CC) $(LDFLAGS) $(OBJS) $(LIBS) -o iw
  90
  91 check:
  92         $(Q)$(MAKE) all CC="REAL_CC=$(CC) CHECK=\"sparse -Wall\" cgcc"
  93
  94 %.gz: %
  95         @$(NQ) ' GZIP' $<
  96         $(Q)gzip < $< > $@
  97
  98 install: iw iw.8.gz
  99         @$(NQ) ' INST iw'
 100         $(Q)$(MKDIR) $(DESTDIR)$(SBINDIR)
 101         $(Q)$(INSTALL) -m 755 iw $(DESTDIR)$(SBINDIR)
 102         @$(NQ) ' INST iw.8'
 103         $(Q)$(MKDIR) $(DESTDIR)$(MANDIR)/man8/
 104         $(Q)$(INSTALL) -m 644 iw.8.gz $(DESTDIR)$(MANDIR)/man8/
 105
 106 clean:
 107         $(Q)rm -f iw *.o *~ *.gz version.c *-stamp