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 VersionLetter = B
  10
  11 include $(MAKEFILEPATH)/CoreOS/ReleaseControl/Common.make
  12
  13 ifeq ($(Version),0)
  14 ifdef RC_ProjectSourceVersion
  15 Version = $(RC_ProjectSourceVersion)
  16 endif
  17 endif
  18
  19 no_target:
  20         @$(MAKE) -f Makefile
  21
  22 ifndef RC_TARGET_CONFIG
  23 export RC_TARGET_CONFIG = MacOSX
  24 endif
  25 include Platforms/$(RC_TARGET_CONFIG)/Makefile.inc
  26
  27 ##---------------------------------------------------------------------
  28 # For each arch, we setup the independent OBJROOT and DSTROOT, and adjust
  29 # the other flags.  After all the archs are built, we copy over one on
  30 # time (for the non-dylib files), and then call lipo to create fat files
  31 # for the three dylibs.
  32 ##---------------------------------------------------------------------
  33 NARCHS = $(words $(RC_ARCHS))
  34 USRLIB = /usr/lib
  35 ifdef ALTUSRLOCALLIBSYSTEM
  36 LIBSYS = $(ALTUSRLOCALLIBSYSTEM)
  37 else
  38 LIBSYS = $(SDKROOT)/usr/local/lib/system
  39 endif
  40 FORMS = dynamic
  41 SUFFIX = ''
  42 ifdef FEATURE_DEBUG_DYLIB
  43 FORMS += debug
  44 SUFFIX += _debug
  45 endif
  46 ifdef FEATURE_PROFILE_DYLIB
  47 FORMS += profile
  48 SUFFIX += _profile
  49 endif
  50 BSD_LIBS = c info m pthread dbm poll dl rpcsvc proc
  51 FPATH = /System/Library/Frameworks/System.framework
  52
  53 build:: fake libSystem
  54         @set -x && \
  55         cd $(DSTROOT)/usr/lib && \
  56         for i in $(BSD_LIBS); do \
  57             ln -sf libSystem.dylib lib$$i.dylib || exit 1; \
  58         done
  59         find $(DSTROOT) -type l ! -perm 755 | xargs chmod -hv 755
  60         install -d $(DSTROOT)$(FPATH)/Versions/$(VersionLetter)/Resources
  61         @set -x && \
  62         cd $(DSTROOT)$(FPATH) && \
  63         ln -sf Versions/Current/PrivateHeaders && \
  64         ln -sf Versions/Current/Resources && \
  65         for S in $(SUFFIX); do \
  66             ln -sf Versions/Current/System$$S || exit 1; \
  67         done && \
  68         cd Versions && \
  69         ln -sf $(VersionLetter) Current && \
  70         cd $(VersionLetter) && \
  71         for S in $(SUFFIX); do \
  72             ln -sf ../../../../../../usr/lib/libSystem.$(VersionLetter)$$S.dylib System$$S || exit 1; \
  73         done && \
  74         cp -f $(SRCROOT)/Info.plist Resources
  75
  76 # 4993197: force dependency generation for libsyscall.a
  77 fake:
  78         @set -x && \
  79         cd $(OBJROOT) && \
  80         echo 'main() { __getpid(); return 0; }' > fake.c && \
  81         cc -c $(RC_CFLAGS) fake.c && \
  82         ld -r -o fake $(foreach ARCH,$(RC_ARCHS),-arch $(ARCH)) fake.o -lsyscall -L$(LIBSYS)
  83
  84 libc:
  85         mkdir -p '$(OBJROOT)/libc'
  86         bsdmake -C libsys install \
  87         DSTROOT='$(DSTROOT)' \
  88         OBJROOT='$(OBJROOT)/libc' \
  89         SRCROOT='$(SRCROOT)' \
  90         SYMROOT='$(SYMROOT)'
  91
  92 libSystem: libc
  93         mkdir -p '$(OBJROOT)/libSystem'
  94         bsdmake install \
  95         FEATURE_LIBMATHCOMMON=$(FEATURE_LIBMATHCOMMON) \
  96         FEATURE_ORDER_FILE=$(FEATURE_ORDER_FILE) \
  97         FORMS='$(FORMS)' \
  98         Version=$(Version) \
  99         VersionLetter=$(VersionLetter) \
 100         DSTROOT='$(DSTROOT)' \
 101         OBJROOT='$(OBJROOT)/libSystem' \
 102         SRCROOT='$(SRCROOT)' \
 103         SYMROOT='$(SYMROOT)'