genl/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 GENLOBJ=genl.o
   3
   4 include ../config.mk
   5 SHARED_LIBS ?= y
   6
   7 CFLAGS += -fno-strict-aliasing
   8
   9 GENLMODULES :=
  10 GENLMODULES += ctrl.o
  11
  12 GENLOBJ += $(GENLMODULES)
  13
  14 GENLLIB :=
  15
  16 ifeq ($(SHARED_LIBS),y)
  17 LDFLAGS += -Wl,-export-dynamic
  18 LDLIBS  += -lm -ldl
  19 endif
  20
  21 all: genl
  22
  23 genl: $(GENLOBJ) $(LIBNETLINK) $(LIBUTIL) $(GENLLIB)
  24         $(QUIET_LINK)$(CC) $^ $(LDFLAGS) $(LDLIBS) -o $@
  25
  26 install: all
  27         install -m 0755 genl $(DESTDIR)$(SBINDIR)
  28
  29 clean:
  30         rm -f $(GENLOBJ) $(GENLLIB) genl
  31
  32 ifneq ($(SHARED_LIBS),y)
  33
  34 genl: static-syms.o
  35 static-syms.o: static-syms.h
  36 static-syms.h: $(wildcard *.c)
  37         files="$^" ; \
  38         for s in `grep -B 3 '\<dlsym' $$files | sed -n '/snprintf/{s:.*"\([^"]*\)".*:\1:;s:%s::;p}'` ; do \
  39                 sed -n '/'$$s'[^ ]* =/{s:.* \([^ ]*'$$s'[^ ]*\) .*:extern char \1[] __attribute__((weak)); if (!strcmp(sym, "\1")) return \1;:;p}' $$files ; \
  40         done > $@
  41
  42 endif