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