Makefile

   1 MAKEFLAGS += --no-print-directory
   2
   3 PREFIX ?= /usr
   4 SBINDIR ?= $(PREFIX)/sbin
   5 MANDIR ?= $(PREFIX)/share/man
   6 PKG_CONFIG ?= pkg-config
   7
   8 MKDIR ?= mkdir -p
   9 INSTALL ?= install
  10 CC ?= "gcc"
  11
  12 cc-option = $(shell set -e ; $(CC) $(1) -c -x c /dev/null -o /dev/null >/dev/null 2>&1 && echo '$(1)')
  13
  14 CFLAGS_EVAL := $(call cc-option,-Wstringop-overflow=4)
  15
  16 CFLAGS ?= -O2 -g
  17 CFLAGS += -Wall -Wextra -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common \
  18           -Werror-implicit-function-declaration -Wsign-compare -Wno-unused-parameter \
  19           $(CFLAGS_EVAL)
  20
  21 OBJS = iw.o genl.o event.o info.o phy.o \
  22         interface.o ibss.o station.o survey.o util.o ocb.o \
  23         mesh.o mpath.o mpp.o scan.o reg.o version.o \
  24         reason.o status.o connect.o link.o offch.o ps.o cqm.o \
  25         bitrate.o wowlan.o coalesce.o roc.o p2p.o vendor.o mgmt.o \
  26         ap.o sha256.o nan.o bloom.o \
  27         measurements.o ftm.o
  28 OBJS += sections.o
  29
  30 OBJS-$(HWSIM) += hwsim.o
  31
  32 OBJS += $(OBJS-y) $(OBJS-Y)
  33
  34 ALL = iw
  35
  36 ifeq ($(NO_PKG_CONFIG),)
  37 NL3xFOUND := $(shell $(PKG_CONFIG) --atleast-version=3.2 libnl-3.0 && echo Y)
  38 ifneq ($(NL3xFOUND),Y)
  39 NL31FOUND := $(shell $(PKG_CONFIG) --exact-version=3.1 libnl-3.1 && echo Y)
  40 ifneq ($(NL31FOUND),Y)
  41 NL3FOUND := $(shell $(PKG_CONFIG) --atleast-version=3 libnl-3.0 && echo Y)
  42 ifneq ($(NL3FOUND),Y)
  43 NL2FOUND := $(shell $(PKG_CONFIG) --atleast-version=2 libnl-2.0 && echo Y)
  44 ifneq ($(NL2FOUND),Y)
  45 NL1FOUND := $(shell $(PKG_CONFIG) --atleast-version=1 libnl-1 && echo Y)
  46 endif
  47 endif
  48 endif
  49 endif
  50
  51 ifeq ($(NL1FOUND),Y)
  52 NLLIBNAME = libnl-1
  53 endif
  54
  55 ifeq ($(NL2FOUND),Y)
  56 CFLAGS += -DCONFIG_LIBNL20
  57 LIBS += -lnl-genl
  58 NLLIBNAME = libnl-2.0
  59 endif
  60
  61 ifeq ($(NL3xFOUND),Y)
  62 # libnl 3.2 might be found as 3.2 and 3.0
  63 NL3FOUND = N
  64 CFLAGS += -DCONFIG_LIBNL30
  65 LIBS += -lnl-genl-3
  66 NLLIBNAME = libnl-3.0
  67 endif
  68
  69 ifeq ($(NL3FOUND),Y)
  70 CFLAGS += -DCONFIG_LIBNL30
  71 LIBS += -lnl-genl
  72 NLLIBNAME = libnl-3.0
  73 endif
  74
  75 # nl-3.1 has a broken libnl-gnl-3.1.pc file
  76 # as show by pkg-config --debug --libs --cflags --exact-version=3.1 libnl-genl-3.1;echo $?
  77 ifeq ($(NL31FOUND),Y)
  78 CFLAGS += -DCONFIG_LIBNL30
  79 LIBS += -lnl-genl
  80 NLLIBNAME = libnl-3.1
  81 endif
  82
  83 ifeq ($(NLLIBNAME),)
  84 $(error Cannot find development files for any supported version of libnl)
  85 endif
  86
  87 LIBS += $(shell $(PKG_CONFIG) --libs $(NLLIBNAME))
  88 CFLAGS += $(shell $(PKG_CONFIG) --cflags $(NLLIBNAME))
  89 endif # NO_PKG_CONFIG
  90
  91 ifeq ($(V),1)
  92 Q=
  93 NQ=true
  94 else
  95 Q=@
  96 NQ=echo
  97 endif
  98
  99 all: $(ALL)
 100
 101 VERSION_OBJS := $(filter-out version.o, $(OBJS))
 102
 103 version.c: version.sh $(patsubst %.o,%.c,$(VERSION_OBJS)) nl80211.h iw.h Makefile \
 104                 $(wildcard .git/index .git/refs/tags)
 105         @$(NQ) ' GEN ' $@
 106         $(Q)./version.sh $@
 107
 108 %.o: %.c iw.h nl80211.h
 109         @$(NQ) ' CC  ' $@
 110         $(Q)$(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<
 111
 112 ifeq ($(IW_ANDROID_BUILD),)
 113 iw:     $(OBJS)
 114         @$(NQ) ' CC  ' iw
 115         $(Q)$(CC) $(LDFLAGS) $(OBJS) $(LIBS) -o iw
 116 endif
 117
 118 check:
 119         $(Q)$(MAKE) all CC="REAL_CC=$(CC) CHECK=\"sparse -Wall\" cgcc"
 120
 121 %.gz: %
 122         @$(NQ) ' GZIP' $<
 123         $(Q)gzip < $< > $@
 124
 125 install: iw iw.8.gz
 126         @$(NQ) ' INST iw'
 127         $(Q)$(MKDIR) $(DESTDIR)$(SBINDIR)
 128         $(Q)$(INSTALL) -m 755 iw $(DESTDIR)$(SBINDIR)
 129         @$(NQ) ' INST iw.8'
 130         $(Q)$(MKDIR) $(DESTDIR)$(MANDIR)/man8/
 131         $(Q)$(INSTALL) -m 644 iw.8.gz $(DESTDIR)$(MANDIR)/man8/
 132
 133 clean:
 134         $(Q)rm -f iw *.o *~ *.gz version.c *-stamp