The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/libkern/kxld/Makefile

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    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

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