libkern/kxld/Makefile

   1 ################################################################################
   2 # Note: this makefile is used only for the libkxld build alias.  It is not part
   3 # of the regular kernel build process.
   4 ################################################################################
   5
   6 # Version
   7 COMPATIBILITY_VERSION=1
   8 CURRENT_VERSION=1
   9
  10 # Paths
  11 ifndef DSTROOT
  12 DSTROOT=./BUILD/dst
  13 endif
  14 ifndef OBJROOT
  15 OBJROOT=./BUILD/obj
  16 endif
  17 ifndef SYMROOT
  18 SYMROOT=./BUILD/sym
  19 endif
  20 ifdef SRCROOT
  21 HDRSRC=$(SRCROOT)/libkern/libkern
  22 OBJSRC=$(SRCROOT)/libkern/kxld
  23 else
  24 SRCROOT=.
  25 HDRSRC=$(SRCROOT)/../libkern
  26 OBJSRC=$(SRCROOT)
  27 ROOT=BUILD
  28 endif
  29 ifdef RC_CFLAGS
  30 ARCHS=$(addprefix -arch , $(RC_ARCHS))
  31 else
  32 ARCHS=-arch i386 -arch x86_64 -arch ppc
  33 RC_CFLAGS=$(ARCHS) -pipe
  34 endif
  35
  36 PRODUCT_TYPE ?= DYLIB
  37
  38 HDRDST=$(DSTROOT)/usr/local/include
  39 LIBDST=$(DSTROOT)/usr/lib/system
  40 ARCHIVEDST=$(DSTROOT)/usr/local/lib
  41 LIBOBJ=$(OBJROOT)/libkxld.o
  42 LIBKXLD_DYLIB=libkxld.dylib
  43 LIBKXLD_ARCHIVE=libkxld.a
  44 LIBKXLDNAME=/usr/lib/system/$(LIBKXLD_DYLIB)
  45 LIBKXLDOBJ_DYLIB=$(OBJROOT)/$(LIBKXLD_DYLIB)
  46 LIBKXLDOBJ_ARCHIVE=$(OBJROOT)/$(LIBKXLD_ARCHIVE)
  47 LIBKXLDDST_DYLIB=$(LIBDST)/$(LIBKXLD_DYLIB)
  48 LIBKXLDDST_ARCHIVE=$(ARCHIVEDST)/$(LIBKXLD_ARCHIVE)
  49 TESTSRC=$(SRCROOT)/tests
  50 TESTDST=./BUILD/tests
  51
  52 # Flags
  53 SDKROOT ?= /
  54 CFLAGS=-std=c99 -Wall -Wextra -Werror -pedantic -Wformat=2 -Wcast-align \
  55         -Wwrite-strings -Wshorten-64-to-32 -Wshadow -Winit-self -Wpointer-arith \
  56         -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes -Wreturn-type \
  57         -Wcast-qual -Wwrite-strings -Wswitch -Wcast-align -Wbad-function-cast \
  58         -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -g \
  59         -isysroot $(SDKROOT)
  60 LDFLAGS=$(ARCHS) -dynamiclib -install_name $(LIBKXLDNAME) \
  61         -compatibility_version $(COMPATIBILITY_VERSION) \
  62         -current_version $(CURRENT_VERSION) -isysroot $(SDKROOT)
  63 INCLUDES=-I$(HDRSRC) $(INCFLAGS_EXTERN)
  64
  65 # Tools
  66 CC = xcrun -sdk $(SDKROOT) cc
  67 LIBTOOL = xcrun -sdk $(SDKROOT) libtool
  68 STRIP = xcrun -sdk $(SDKROOT) strip
  69
  70 # Turn on -Wno-cast-align for arm since it won't build without it
  71 ifeq ($(findstring arm, $(ARCHS)),arm)
  72 CFLAGS+=-Wno-cast-align
  73 endif
  74
  75 # Files
  76 HDR_NAMES=kxld.h kxld_types.h
  77 OBJ_NAMES=kxld.o kxld_array.o kxld_copyright.o kxld_dict.o kxld_kext.o kxld_reloc.o \
  78         kxld_sect.o kxld_seg.o kxld_sym.o kxld_state.o kxld_symtab.o kxld_util.o \
  79         kxld_uuid.o kxld_vtable.o
  80 HDRS=$(addprefix $(HDRSRC)/, $(HDR_NAMES))
  81 OBJS=$(addprefix $(OBJROOT)/, $(OBJ_NAMES))
  82
  83 $(shell [ -d $(OBJROOT) ] || mkdir -p $(OBJROOT))
  84
  85 # Implicit rules
  86 %.o : %.c
  87 $(OBJROOT)/%.o : $(OBJSRC)/%.c
  88         $(CC) $(RC_CFLAGS) $(CFLAGS) $(OPTIM) $(INCLUDES) -c $< -o $@
  89 $(OBJROOT)/%.o : $(TESTSRC)/%.c
  90         $(CC) $(RC_CFLAGS) $(CFLAGS) -O0 -DDEBUG $(INCLUDES) -I $(SRCROOT) -c $< -o $@
  91
  92 SRCROOTESC=$(subst /,\/,$(SRCROOT))
  93 OBJROOTESC=$(subst /,\/,$(OBJROOT))
  94 SEDOBJS=sed -E 's/(^[a-z_]+)\.o/$(OBJROOTESC)\/\1\.o $(OBJROOTESC)\/\1\.d/'
  95 SEDSRCS=sed -E 's/([a-z_]+\.[ch])/$(SRCROOTESC)\/\1/g'
  96 $(OBJROOT)/%.d: $(OBJSRC)/%.c
  97         @set -e; rm -f $@; \
  98         $(CC) $(INCLUDES) -MM $< | $(SEDOBJS) | $(SEDSRCS) > $@;
  99
 100 # Rules
 101 release: OPTIM=-Os -dynamic
 102 release: build
 103
 104 debug: OPTIM=-O0 -DDEBUG -dynamic
 105 debug: build
 106
 107 profile: OPTIM=-Os -pg -dynamic
 108 profile: build
 109
 110 tests: OPTIM=-O0 -DDEBUG
 111 tests: kxld_dict_test copyrighttest
 112
 113 build: $(LIBKXLDOBJ_$(PRODUCT_TYPE))
 114         @[ -d $(SYMROOT) ] || mkdir -p $(SYMROOT)
 115         install -c -m 644 $< $(SYMROOT)
 116
 117 $(LIBKXLDOBJ_DYLIB): $(OBJS)
 118         $(CC) $(LDFLAGS) -o $@ $^
 119
 120 $(LIBKXLDOBJ_ARCHIVE): $(OBJS)
 121         $(LIBTOOL) -static -o $@ $^
 122
 123 installhdrs:
 124         @[ -d $(HDRDST) ] || mkdir -p $(HDRDST)
 125         install -o 0 -g 0 -c -m 444 $(HDRS) $(HDRDST)
 126
 127 install: release installhdrs $(LIBKXLDDST_$(PRODUCT_TYPE))
 128
 129 $(LIBKXLDDST_DYLIB):
 130         @[ -d $(LIBDST) ] || mkdir -p $(LIBDST)
 131         install -o 0 -g 0 -c -m 555 $(SYMROOT)/$(LIBKXLD_DYLIB) $(LIBDST)
 132         $(STRIP) -S -x $@
 133
 134 $(LIBKXLDDST_ARCHIVE):
 135         @[ -d $(ARCHIVEDST) ] || mkdir -p $(ARCHIVEDST)
 136         install -o 0 -g 0 -c -m 555 $(SYMROOT)/$(LIBKXLD_ARCHIVE) $(ARCHIVEDST)
 137
 138
 139 KEXTCOPYOBJS=$(OBJROOT)/kextcopyright.o $(OBJROOT)/kxld_copyright.o $(OBJROOT)/kxld_util.o
 140 kextcopyright: $(KEXTCOPYOBJS) $(TESTDST)
 141         $(CC) $(ARCHS) $(KEXTCOPYOBJS) -framework CoreFoundation -o $(OBJROOT)/kextcopyright
 142         install -c -m 755 $(OBJROOT)/kextcopyright $(TESTDST)
 143
 144 DICTOBJS=$(OBJROOT)/kxld_dict_test.o $(OBJROOT)/kxld_dict.o $(OBJROOT)/kxld_array.o $(OBJROOT)/kxld_util.o
 145 kxld_dict_test: $(DICTOBJS) $(TESTDST)
 146         $(CC) $(ARCHS) $(DICTOBJS) -o $(OBJROOT)/kxld_dict_test
 147         install -c -m 755 $(OBJROOT)/kxld_dict_test $(TESTDST)
 148
 149 COPYTESTOBJS=$(OBJROOT)/kxld_copyright.o $(OBJROOT)/kxld_util.o
 150 copyrighttest: OPTIM+=-DTEST
 151 copyrighttest: $(KEXTCOPYOBJS) $(TESTDST)
 152         $(CC) $(ARCHS) $(COPYTESTOBJS) -framework CoreFoundation -framework IOKit -o $(OBJROOT)/copyrighttest
 153         install -c -m 755 $(OBJROOT)/copyrighttest $(TESTDST)
 154
 155 $(TESTDST):
 156         @[ -d $(TESTDST) ] || mkdir -p $(TESTDST)
 157
 158 clean:
 159         @rm -rf $(OBJROOT)/*
 160
 161 fullclean:
 162 ifdef ROOT
 163         @rm -rf $(ROOT)
 164 else
 165         @rm -rf $(OBJROOT) $(DSTROOT) $(SYMROOT)
 166 endif
 167
 168 # Automatically build dependency information when .c or .h files change based
 169 # on implicit rule for .d:.c
 170 -include $(OBJS:.o=.d)
 171