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 EXTHDRSRC=$(SRCROOT)/EXTERNAL_HEADERS
  22 HDRSRC=$(SRCROOT)/libkern/libkern
  23 OBJSRC=$(SRCROOT)/libkern/kxld
  24 else
  25 SRCROOT=.
  26 EXTHDRSRC=$(SRCROOT)/../../EXTERNAL_HEADERS
  27 HDRSRC=$(SRCROOT)/../libkern
  28 OBJSRC=$(SRCROOT)
  29 ROOT=BUILD
  30 endif
  31 ifdef RC_CFLAGS
  32 ARCHS=$(addprefix -arch , $(RC_ARCHS))
  33 else
  34 ARCHS=-arch x86_64
  35 RC_CFLAGS=$(ARCHS) -pipe
  36 endif
  37 ifdef INSTALL_LOCATION
  38 override DSTROOT := $(DSTROOT)/$(INSTALL_LOCATION)
  39 endif
  40
  41 PRODUCT_TYPE ?= ALL
  42
  43 HDRDST=$(DSTROOT)/usr/local/include
  44 DYLIBDST=$(DSTROOT)/usr/lib/system
  45 ARCHIVEDST=$(DSTROOT)/usr/local/lib
  46 LIBKXLD_DYLIB=libkxld.dylib
  47 LIBKXLD_ARCHIVE=libkxld.a
  48 LIBKXLD_DSYM=$(LIBKXLD_DYLIB).dSYM
  49 LIBKXLD_INSTALLNAME=/usr/lib/system/$(LIBKXLD_DYLIB)
  50 LIBKXLDOBJ_DYLIB=$(OBJROOT)/$(LIBKXLD_DYLIB)
  51 LIBKXLDOBJ_ARCHIVE=$(OBJROOT)/$(LIBKXLD_ARCHIVE)
  52 LIBKXLDSYM_DYLIB=$(SYMROOT)/$(LIBKXLD_DYLIB)
  53 LIBKXLDSYM_DYLIB_DSYM=$(SYMROOT)/$(LIBKXLD_DSYM)
  54 LIBKXLDSYM_ARCHIVE=$(SYMROOT)/$(LIBKXLD_ARCHIVE)
  55 LIBKXLDDST_DYLIB=$(DYLIBDST)/$(LIBKXLD_DYLIB)
  56 LIBKXLDDST_ARCHIVE=$(ARCHIVEDST)/$(LIBKXLD_ARCHIVE)
  57 TESTSRC=$(SRCROOT)/tests
  58 TESTDST=./BUILD/tests
  59
  60 # Build both the dylib and archive
  61 LIBKXLDDST_ALL=$(LIBKXLDDST_DYLIB) $(LIBKXLDDST_ARCHIVE)
  62
  63 # Flags
  64 ifdef SDKROOT
  65         SDK_DIR := $(shell xcodebuild -version -sdk $(SDKROOT) Path)
  66 endif
  67
  68 ifeq ($(strip $(SDK_DIR)),)
  69         SDK_DIR := /
  70 endif
  71
  72
  73 DEFINES = -DPRIVATE
  74 CFLAGS=-std=c99 -Wall -Wextra -Werror -pedantic -Wformat=2 -Wcast-align \
  75         -Wwrite-strings -Wshorten-64-to-32 -Wshadow -Winit-self -Wpointer-arith \
  76         -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes -Wreturn-type \
  77         -Wcast-qual -Wwrite-strings -Wswitch -Wcast-align -Wbad-function-cast \
  78         -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -g
  79 LDFLAGS=$(ARCHS) -dynamiclib -install_name $(LIBKXLD_INSTALLNAME) \
  80         -compatibility_version $(COMPATIBILITY_VERSION) \
  81         -current_version $(CURRENT_VERSION) -lstdc++
  82 INCLUDES=-I$(HDRSRC) -isystem $(EXTHDRSRC)
  83
  84 ifneq ($(SDK_DIR),/)
  85         CFLAGS += -isysroot $(SDK_DIR)
  86         LDFLAGS += -isysroot $(SDK_DIR)
  87 endif
  88
  89 # Tools
  90 CC = xcrun -sdk $(SDK_DIR) clang
  91 LIBTOOL = xcrun -sdk $(SDK_DIR) libtool
  92 STRIP = xcrun -sdk $(SDK_DIR) strip
  93 DSYMUTIL = xcrun -sdk $(SDK_DIR) dsymutil
  94
  95 # Files
  96 HDR_NAMES=kxld.h kxld_types.h prelink.h
  97 OBJ_NAMES=kxld.o kxld_array.o kxld_copyright.o kxld_demangle.o kxld_dict.o \
  98         kxld_kext.o kxld_object.o kxld_reloc.o kxld_sect.o kxld_seg.o      \
  99         kxld_srcversion.o kxld_splitinfolc.o kxld_sym.o kxld_symtab.o kxld_util.o kxld_uuid.o \
 100     kxld_vtable.o kxld_versionmin.o
 101
 102 HDRS=$(addprefix $(HDRSRC)/, $(HDR_NAMES))
 103 OBJS=$(addprefix $(OBJROOT)/, $(OBJ_NAMES))
 104
 105 $(shell [ -d $(OBJROOT) ] || mkdir -p $(OBJROOT))
 106
 107 # Implicit rules
 108 %.o : %.c
 109 $(OBJROOT)/%.o : $(OBJSRC)/%.c
 110         $(CC) $(RC_CFLAGS) $(CFLAGS) $(DEFINES) $(OPTIM) $(INCLUDES) -c $< -o $@
 111 $(OBJROOT)/%.o : $(TESTSRC)/%.c
 112         $(CC) $(RC_CFLAGS) $(CFLAGS) $(DEFINES) -O0 -DDEBUG $(INCLUDES) -I$(SRCROOT) -c $< -o $@
 113
 114 SRCROOTESC=$(subst /,\/,$(SRCROOT))
 115 OBJROOTESC=$(subst /,\/,$(OBJROOT))
 116 SEDOBJS=sed -E 's/(^[a-z_]+)\.o/$(OBJROOTESC)\/\1\.o $(OBJROOTESC)\/\1\.d/'
 117 SEDSRCS=sed -E 's/ ([a-z_]+\.[ch])/ $(SRCROOTESC)\/\1/g'
 118 $(OBJROOT)/%.d: $(OBJSRC)/%.c
 119         @set -e; rm -f $@; \
 120         $(CC) $(CFLAGS) $(DEFINES) $(INCLUDES) -MM $< | $(SEDOBJS) | $(SEDSRCS) > $@;
 121
 122 # Rules
 123 release: OPTIM=-Os -dynamic
 124 release: build
 125
 126 debug: OPTIM=-O0 -DDEBUG -dynamic
 127 debug: build
 128
 129 profile: OPTIM=-Os -pg -dynamic
 130 profile: build
 131
 132 tests: OPTIM=-O0 -DDEBUG
 133 tests: kxld_array_test kxld_dict_test copyrighttest
 134
 135 build: $(LIBKXLDSYM_$(PRODUCT_TYPE))
 136
 137 $(LIBKXLDSYM_DYLIB): $(LIBKXLDOBJ_DYLIB)
 138         @mkdir -p $(SYMROOT)
 139         install -c -m 644 $< $@
 140         $(DSYMUTIL) $@ -o $(LIBKXLDSYM_DYLIB_DSYM)
 141
 142 $(LIBKXLDSYM_ARCHIVE): $(LIBKXLDOBJ_ARCHIVE)
 143         @mkdir -p $(SYMROOT)
 144         install -c -m 644 $< $@
 145
 146
 147 $(LIBKXLDOBJ_DYLIB): $(OBJS)
 148         $(CC) $(LDFLAGS) -o $@ $^
 149
 150 $(LIBKXLDOBJ_ARCHIVE): $(OBJS)
 151         $(LIBTOOL) -static -o $@ $^
 152
 153 installhdrs:
 154         @mkdir -p $(HDRDST)
 155         install -o 0 -g 0 -c -m 444 $(HDRS) $(HDRDST)
 156
 157 install: release installhdrs $(LIBKXLDDST_$(PRODUCT_TYPE))
 158
 159 $(LIBKXLDDST_DYLIB): $(LIBKXLDSYM_DYLIB)
 160         @mkdir -p $(DYLIBDST)
 161         install -o 0 -g 0 -c -m 555 $< $@
 162         $(STRIP) -S -x $@
 163
 164 $(LIBKXLDDST_ARCHIVE): $(LIBKXLDSYM_ARCHIVE)
 165         @mkdir -p $(ARCHIVEDST)
 166         install -o 0 -g 0 -c -m 555 $< $@
 167
 168 KEXTCOPYOBJS=$(OBJROOT)/kextcopyright.o $(OBJROOT)/kxld_copyright.o $(OBJROOT)/kxld_util.o
 169 kextcopyright: $(TESTDST)/kextcopyright
 170 $(TESTDST)/kextcopyright: $(KEXTCOPYOBJS)
 171         @mkdir -p $(TESTDST)
 172         $(CC) $(ARCHS) $(KEXTCOPYOBJS) -framework CoreFoundation -o $(OBJROOT)/kextcopyright
 173         install -c -m 755 $(OBJROOT)/kextcopyright $@
 174
 175 TESTOBJS=$(OBJROOT)/kxld_test.o $(OBJROOT)/kxld_util.o
 176
 177 ARRAYOBJS=$(OBJROOT)/kxld_array_test.o $(OBJROOT)/kxld_array.o $(TESTOBJS)
 178 kxld_array_test: $(TESTDST)/kxld_array_test
 179 $(TESTDST)/kxld_array_test: $(ARRAYOBJS)
 180         @mkdir -p $(TESTDST)
 181         $(CC) $(ARCHS) $(ARRAYOBJS) -o $(OBJROOT)/kxld_array_test
 182         install -c -m 755 $(OBJROOT)/kxld_array_test $@
 183
 184 DICTOBJS=$(OBJROOT)/kxld_dict_test.o $(OBJROOT)/kxld_dict.o $(OBJROOT)/kxld_array.o $(TESTOBJS)
 185 kxld_dict_test: $(TESTDST)/kxld_dict_test
 186 $(TESTDST)/kxld_dict_test: $(DICTOBJS)
 187         @mkdir -p $(TESTDST)
 188         $(CC) $(ARCHS) $(DICTOBJS) -o $(OBJROOT)/kxld_dict_test
 189         install -c -m 755 $(OBJROOT)/kxld_dict_test $@
 190
 191 COPYTESTOBJS=$(OBJROOT)/kxld_copyright.o $(OBJROOT)/kxld_util.o
 192 copyrighttest: OPTIM+=-DTEST
 193 copyrighttest: $(TESTDST)/copyrighttest
 194 $(TESTDST)/copyrighttest: $(COPYTESTOBJS)
 195         @mkdir -p $(TESTDST)
 196         $(CC) $(ARCHS) $(COPYTESTOBJS) -framework CoreFoundation -framework IOKit -o $(OBJROOT)/copyrighttest
 197         install -c -m 755 $(OBJROOT)/copyrighttest $@
 198
 199 clean:
 200         @rm -rf $(OBJROOT)/*
 201
 202 fullclean:
 203 ifdef ROOT
 204         @rm -rf $(ROOT)
 205 else
 206         @rm -rf $(OBJROOT) $(DSTROOT) $(SYMROOT)
 207 endif
 208
 209 # Automatically build dependency information when .c or .h files change based
 210 # on implicit rule for .d:.c
 211 -include $(OBJS:.o=.d)