GNUmakefile

   1 ##---------------------------------------------------------------------
   2 # Makefile for Libsystem
   3 # Call Makefile to do the work, but for the install case, we need to
   4 # call Makefile for each arch separately, and create fat dylibs at the
   5 # end.  This is because the comm page symbols are added as a special segment,
   6 # which the linker will not thin, so we have to build thin and combine.
   7 ##---------------------------------------------------------------------
   8 PROJECT = Libsystem
   9
  10 no_target:
  11         @$(MAKE) -f Makefile
  12
  13 ##---------------------------------------------------------------------
  14 # For each arch, we setup the independent OBJROOT and DSTROOT, and adjust
  15 # the other flags.  After all the archs are built, we ditto over one on
  16 # time (for the non-dylib files), and then call lipo to create fat files
  17 # for the three dylibs.
  18 ##---------------------------------------------------------------------
  19 ALLARCHS = hppa i386 m68k ppc sparc
  20 NARCHS = $(words $(RC_ARCHS))
  21 USRLIB = /usr/lib
  22
  23 install: $(RC_ARCHS)
  24         ditto $(OBJROOT)/$(word 1,$(RC_ARCHS))/dstroot $(DSTROOT)
  25 ifneq "$(NARCHS)" "1"
  26         @for i in libSystem.B.dylib libSystem.B_debug.dylib libSystem.B_profile.dylib; do \
  27             echo rm -f $(DSTROOT)$(USRLIB)/$$i; \
  28             rm -f $(DSTROOT)$(USRLIB)/$$i; \
  29             echo lipo -create -o $(DSTROOT)$(USRLIB)/$$i $(foreach ARCH,$(RC_ARCHS),$(OBJROOT)/$(ARCH)/dstroot$(USRLIB)/$$i); \
  30             lipo -create -o $(DSTROOT)$(USRLIB)/$$i $(foreach ARCH,$(RC_ARCHS),$(OBJROOT)/$(ARCH)/dstroot$(USRLIB)/$$i); \
  31         done
  32 endif
  33
  34 $(ALLARCHS):
  35         mkdir -p $(OBJROOT)/$@/objroot $(OBJROOT)/$@/dstroot
  36         $(MAKE) -f Makefile install \
  37             OBJROOT='$(OBJROOT)/$@/objroot' \
  38             DSTROOT='$(OBJROOT)/$@/dstroot' \
  39             RC_CFLAGS='-arch $@ $(RC_NONARCH_CFLAGS)' \
  40             RC_ARCHS='$@' \
  41             RC_$@=YES $(foreach ARCH,$(filter-out $@,$(ALLARCHS)),RC_$(ARCH)=)
  42
  43 .DEFAULT:
  44         @$(MAKE) -f Makefile $@