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