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    revision 1121 by niro, Fri Apr 24 18:32:46 2009 UTC revision 1122 by niro, Wed Aug 18 21:11:40 2010 UTC
    # Line 1  Line 1 
    1  SRCROOT = .  SRCROOT = .
    2    
    3    # *DOCUMENTATION*
    4    # To see a list of typical targets execute "make help"
    5    
    6  # kbuild compatibility  # kbuild compatibility
    7  export srctree  := $(shell pwd)  export srctree  := $(shell pwd)
    8  export objtree  := $(shell pwd)  export objtree  := $(shell pwd)
    9  export KLIBCSRC := usr/klibc  export KLIBCSRC := usr/klibc
    10  export VERSION := $(shell cat $(KLIBCSRC)/version)  export VERSION := $(shell cat $(srctree)/$(KLIBCSRC)/version)
    11  export KLIBCINC := usr/include  export KLIBCINC := usr/include
    12  export KLIBCOBJ := usr/klibc  export KLIBCOBJ := usr/klibc
    13  export KLIBCKERNELSRC := linux/  export KLIBCKERNELSRC ?= linux
    14  export KLIBCKERNELOBJ := linux/  export KLIBCKERNELOBJ ?= $(KLIBCKERNELSRC)
    15  include scripts/Kbuild.include  
    16    export VPATH := $(srctree)
    17    
    18    include $(srctree)/scripts/Kbuild.include
    19    
    20  KLIBCROSS ?= $(CROSS_COMPILE)  KLIBCROSS ?= $(CROSS_COMPILE)
    21  export KLIBCROSS  export KLIBCROSS
    # Line 24  export OBJDUMP  := $(KLIBCROSS)objdump Line 30  export OBJDUMP  := $(KLIBCROSS)objdump
    30    
    31  NOSTDINC_FLAGS := -nostdlib -nostdinc -isystem $(shell $(CC) -print-file-name=include)  NOSTDINC_FLAGS := -nostdlib -nostdinc -isystem $(shell $(CC) -print-file-name=include)
    32    
    33  ARCH          := $(shell uname -m | sed -e s/i.86/i386/ -e s/parisc64/parisc/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/ -e s/sh4/sh/)  ARCH          := $(shell uname -m | sed -e s/i.86/i386/ -e s/parisc64/parisc/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/ -e s/sh.*/sh/)
    34  export KLIBCARCH  ?= $(ARCH)  export KLIBCARCH  ?= $(ARCH)
    35  export KLIBCARCHDIR := $(shell echo $(KLIBCARCH) | sed -e s/s390x/s390/)  export KLIBCARCHDIR := $(shell echo $(KLIBCARCH) | sed -e s/s390x/s390/)
    36    
    # Line 42  export INSTALLROOT = Line 48  export INSTALLROOT =
    48    
    49  # Create a fake .config as present in the kernel tree  # Create a fake .config as present in the kernel tree
    50  # But if it exists leave it alone  # But if it exists leave it alone
    51  $(if $(wildcard $(objtree)/.config),,$(shell cp defconfig .config))  $(if $(wildcard $(objtree)/.config),,\
    52      $(shell cp $(srctree)/defconfig $(objtree)/.config))
    53    
    54  # Prefix Make commands with $(Q) to silence them  # Prefix Make commands with $(Q) to silence them
    55  # Use quiet_cmd_xxx, cmd_xxx to create nice output  # Use quiet_cmd_xxx, cmd_xxx to create nice output
    # Line 84  klibc := -f $(srctree)/scripts/Kbuild.kl Line 91  klibc := -f $(srctree)/scripts/Kbuild.kl
    91  .PHONY: all klcc klibc  .PHONY: all klcc klibc
    92  all: klcc klibc  all: klcc klibc
    93    
    94  .config: defconfig linux  $(objtree)/.config: $(srctree)/defconfig $(KLIBCKERNELOBJ)
    95   @echo "defconfig has changed, please remove or edit .config"   @echo "defconfig has changed, please remove or edit .config"
    96   @false   @false
    97    
    98  linux:  $(KLIBCKERNELSRC):
    99   @echo "The 'linux' symlink is missing; it should point to a kernel tree "   @echo "Cannot find kernel sources."
    100   @echo "configured for the $(KLIBCARCH) architecture."   @echo "Either make a 'linux' symlink point to a kernel tree "
    101     @echo "configured for the $(KLIBCARCH) architecture or specify "
    102     @echo "KLIBCKERNELSRC=<path> to the build."
    103   @false   @false
    104    
    105  rpmbuild = $(shell which rpmbuild 2>/dev/null || which rpm)  rpmbuild = $(shell which rpmbuild 2>/dev/null || which rpm)
    # Line 99  klibc.spec: klibc.spec.in $(KLIBCSRC)/ve Line 108  klibc.spec: klibc.spec.in $(KLIBCSRC)/ve
    108   sed -e 's/@@VERSION@@/$(VERSION)/g' < $< > $@   sed -e 's/@@VERSION@@/$(VERSION)/g' < $< > $@
    109    
    110  # Build klcc - it is the first target  # Build klcc - it is the first target
    111  klcc: .config  klcc: $(objtree)/.config
    112   $(Q)$(MAKE) $(klibc)=klcc   $(Q)$(MAKE) $(klibc)=klcc
    113    
    114  klibc: .config  klibc: $(objtree)/.config
    115   $(Q)$(MAKE) $(klibc)=.   $(Q)$(MAKE) $(klibc)=.
    116    
    117  test: klibc  test: klibc
    118   $(Q)$(MAKE) $(klibc)=usr/klibc/tests   $(Q)$(MAKE) $(klibc)=usr/klibc/tests
    119    
    120    help:
    121     @echo 'Cleaning targets:'
    122     @echo '  clean - Remove most generated files'
    123     @echo '  mrproper - Remove all generated files + config'
    124     @echo '  distclean - mprproper + editor backup + patch files'
    125     @echo ''
    126     @echo 'Build targets:'
    127     @echo 'all - Build all targets'
    128     @echo 'install - Install klibc'
    129     @echo 'klcc - Wrapper around gcc to compile against klibc'
    130     @echo 'test - Run klibc tests'
    131     @echo
    132     @echo 'Build options:'
    133     @echo 'KLIBCKERNELSRC - Path to a configured linux-2.6 tree'
    134     @echo 'KLIBCKERNELOBJ - Path to kernel output dir (defaults to KLIBCKERNELSRC)'
    135     @echo 'make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
    136     @echo
    137     @echo 'Sample invocation:'
    138     @echo 'make  KLIBCKERNELSRC=`pwd`/../linux-2.6'
    139    
    140  ###  ###
    141  # allow one to say make dir/file.o  # allow one to say make dir/file.o
    # Line 135  clean: Line 163  clean:
    163     -name '.*.d' -o -name '.*.tmp' \) \     -name '.*.d' -o -name '.*.tmp' \) \
    164   -type f -print | xargs rm -f   -type f -print | xargs rm -f
    165    
    166  rm-files := .config linux  rm-files := $(objtree)/.config linux
    167  distclean mrproper: clean  distclean mrproper: clean
    168   $(Q)find . $(FIND_IGNORE) \   $(Q)find . $(FIND_IGNORE) \
    169   \( -name '*.orig' -o -name '*.rej' -o -name '*~' \   \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
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