lib.mk

   1 #
   2 # Most of the libraries just generate object files that
   3 # are later linked in build into the libGP.so
   4 #
   5 ifndef LIBNAME
   6 $(error LIBNAME not defined, fix your library Makefile)
   7 endif
   8
   9 #
  10 # Rules for single library, applied only when objects
  11 # are not linked to the libGP.so. This generates libGP_$(LIBNAME).
  12 #
  13 ifeq ($(BUILDLIB),yes)
  14 # BUILDLIB = yes
  15
  16 LIB=libGP_$(LIBNAME)
  17 LIBP=$(TOPDIR)/build/
  18
  19 ALL+=$(LIBP)$(LIB).so $(LIBP)$(LIB).a
  20 CLEAN+=$(LIBP)$(LIB).so $(LIBP)$(LIB).so.0 $(LIBP)$(LIB).a
  21 OBJS=$(CSOURCES:.c=.o)
  22
  23
  24 $(LIBP)$(LIB).so: $(OBJS)
  25 ifdef VERBOSE
  26         rm -f $(LIBP)$(LIB).so.0
  27         cd $(LIBP) && ln -s $(LIB).so $(LIB).so.0
  28         $(CC) -fPIC -dPIC --shared -Wl,-soname -Wl,$(LIB).so.0 $(OBJECTS) -o $@
  29 else
  30         @rm -f $(LIBP)$(LIB).so.0
  31         @cd $(LIBP) && ln -s $(LIB).so $(LIB).so.0
  32         @echo "LD  $@"
  33         @$(CC) -fPIC -dPIC --shared -Wl,-soname -Wl,$(LIB).so.0 $(OBJECTS) -o $@
  34 endif
  35
  36 $(LIBP)$(LIB).a: $(OBJS)
  37 ifdef VERBOSE
  38         $(AR) rcs $@ $(OBJECTS)
  39 else
  40         @echo "AR  $@"
  41         @$(AR) rcs $@ $(OBJECTS)
  42 endif
  43
  44 else
  45 # BUILDLIB = no
  46 include $(TOPDIR)/config.mk
  47
  48 ifeq ($(REBUILD_LIBGP),yes)
  49 ALL+=rebuild_lib
  50
  51 rebuild_lib:
  52         @$(MAKE) --no-print-directory -C $(TOPDIR)/build/
  53 endif
  54 endif