Contents of /trunk/mkinitrd-magellan/klibc/Makefile

SRCROOT = .

# *DOCUMENTATION*
# To see a list of typical targets execute "make help"

# kbuild compatibility
export srctree  := $(shell pwd)
export objtree  := $(shell pwd)
export KLIBCSRC := usr/klibc
export VERSION := $(shell cat $(srctree)/$(KLIBCSRC)/version)
export KLIBCINC := usr/include
export KLIBCOBJ := usr/klibc
export KLIBCKERNELSRC ?= linux
export KLIBCKERNELOBJ ?= $(KLIBCKERNELSRC)

export VPATH := $(srctree)

include $(srctree)/scripts/Kbuild.include

KLIBCROSS	?= $(CROSS_COMPILE)
export KLIBCROSS
export CC	:= $(KLIBCROSS)gcc
export LD	:= $(KLIBCROSS)ld
export AR	:= $(KLIBCROSS)ar
export RANLIB	:= $(KLIBCROSS)ranlib
export STRIP	:= $(KLIBCROSS)strip
export NM	:= $(KLIBCROSS)nm
export OBJCOPY  := $(KLIBCROSS)objcopy
export OBJDUMP  := $(KLIBCROSS)objdump

NOSTDINC_FLAGS := -nostdlib -nostdinc -isystem $(shell $(CC) -print-file-name=include)

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/)
export KLIBCARCH  ?= $(ARCH)
export KLIBCARCHDIR := $(shell echo $(KLIBCARCH) | sed -e s/s390x/s390/)

export HOSTCC     := gcc
export HOSTCFLAGS := -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
export PERL       := perl

# Location for installation
export prefix      = /usr
export bindir      = $(prefix)/bin
export libdir      = $(prefix)/lib
export mandir      = $(prefix)/man
export INSTALLDIR  = $(prefix)/lib/klibc
export INSTALLROOT =

# Create a fake .config as present in the kernel tree
# But if it exists leave it alone
$(if $(wildcard $(objtree)/.config),,\
  $(shell cp $(srctree)/defconfig $(objtree)/.config))

# Prefix Make commands with $(Q) to silence them
# Use quiet_cmd_xxx, cmd_xxx to create nice output
# use make V=1 to get verbose output

ifdef V
  ifeq ("$(origin V)", "command line")
    KBUILD_VERBOSE = $(V)
  endif
endif
ifndef KBUILD_VERBOSE
  KBUILD_VERBOSE = 0
endif

ifeq ($(KBUILD_VERBOSE),1)
  quiet =
  Q =
else
  quiet=quiet_
  Q = @
endif

# If the user is running make -s (silent mode), suppress echoing of
# commands

ifneq ($(findstring s,$(MAKEFLAGS)),)
  quiet=silent_
endif

export quiet Q KBUILD_VERBOSE

# Do not print "Entering directory ..."
MAKEFLAGS += --no-print-directory

# Shorthand to call Kbuild.klibc
klibc := -f $(srctree)/scripts/Kbuild.klibc obj

# Very first target
.PHONY: all klcc klibc
all: klcc klibc

$(objtree)/.config: $(srctree)/defconfig $(KLIBCKERNELOBJ)
	@echo "defconfig has changed, please remove or edit .config"
	@false

$(KLIBCKERNELSRC):
	@echo "Cannot find kernel sources."
	@echo "Either make a 'linux' symlink point to a kernel tree "
	@echo "configured for the $(KLIBCARCH) architecture or specify "
	@echo "KLIBCKERNELSRC=<path> to the build."
	@false

rpmbuild = $(shell which rpmbuild 2>/dev/null || which rpm)

klibc.spec: klibc.spec.in $(KLIBCSRC)/version
	sed -e 's/@@VERSION@@/$(VERSION)/g' < $< > $@

# Build klcc - it is the first target
klcc: $(objtree)/.config
	$(Q)$(MAKE) $(klibc)=klcc

klibc: $(objtree)/.config
	$(Q)$(MAKE) $(klibc)=.

test: klibc
	$(Q)$(MAKE) $(klibc)=usr/klibc/tests

help:
	@echo	'Cleaning targets:'
	@echo	'  clean	- Remove most generated files'
	@echo	'  mrproper	- Remove all generated files + config'
	@echo	'  distclean	- mprproper + editor backup + patch files'
	@echo	''
	@echo	'Build targets:'
	@echo	'all		- Build all targets'
	@echo	'install	- Install klibc'
	@echo	'klcc		- Wrapper around gcc to compile against klibc'
	@echo	'test		- Run klibc tests'
	@echo
	@echo	'Build options:'
	@echo	'KLIBCKERNELSRC - Path to a configured linux-2.6 tree'
	@echo	'KLIBCKERNELOBJ - Path to kernel output dir (defaults to KLIBCKERNELSRC)'
	@echo	'make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
	@echo
	@echo	'Sample invocation:'
	@echo	'make  KLIBCKERNELSRC=`pwd`/../linux-2.6'

###
# allow one to say make dir/file.o
# Caveat: works only for .c files where we have a Kbuild file in same dir
%.o: %.c FORCE
	 $(Q)$(MAKE) $(klibc)=$(dir $<) $(dir $<)$(notdir $@)

%.s: %.c FORCE
	 $(Q)$(MAKE) $(klibc)=$(dir $<) $(dir $<)$(notdir $@)

%.i: %.c FORCE
	 $(Q)$(MAKE) $(klibc)=$(dir $<) $(dir $<)$(notdir $@)

FORCE: ;
###
# clean: remove generated files
# mrproper does a full cleaning including .config and linux symlink
FIND_IGNORE := \( -name .git \) -prune -o
quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),RM     $(wildcard $(rm-files)))
      cmd_rmfiles = rm -f $(rm-files)
clean:
	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.clean obj=.
	$(Q)find . $(FIND_IGNORE) \
		\( -name *.o -o -name *.a -o -name '.*.cmd' -o \
		   -name '.*.d' -o -name '.*.tmp' \) \
		-type f -print | xargs rm -f

rm-files := $(objtree)/.config linux
distclean mrproper: clean
	 $(Q)find . $(FIND_IGNORE) \
		\( -name '*.orig' -o -name '*.rej' -o -name '*~' \
		-o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
		-o -name '.*.rej' -o -size 0 \
		-o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \
		-type f -print | xargs rm -f
	$(call cmd,rmfiles)

install: all
	$(Q)$(MAKE) -f $(srctree)/scripts/Kbuild.install obj=.

# This does all the prep work needed to turn a freshly exported git repository
# into a release tarball tree
release: klibc.spec
	rm -f maketar.sh .config
1	SRCROOT = .
2
3	# DOCUMENTATION
4	# To see a list of typical targets execute "make help"
5
6	# kbuild compatibility
7	export srctree := $(shell pwd)
8	export objtree := $(shell pwd)
9	export KLIBCSRC := usr/klibc
10	export VERSION := $(shell cat $(srctree)/$(KLIBCSRC)/version)
11	export KLIBCINC := usr/include
12	export KLIBCOBJ := usr/klibc
13	export KLIBCKERNELSRC ?= linux
14	export KLIBCKERNELOBJ ?= $(KLIBCKERNELSRC)
15
16	export VPATH := $(srctree)
17
18	include $(srctree)/scripts/Kbuild.include
19
20	KLIBCROSS ?= $(CROSS_COMPILE)
21	export KLIBCROSS
22	export CC := $(KLIBCROSS)gcc
23	export LD := $(KLIBCROSS)ld
24	export AR := $(KLIBCROSS)ar
25	export RANLIB := $(KLIBCROSS)ranlib
26	export STRIP := $(KLIBCROSS)strip
27	export NM := $(KLIBCROSS)nm
28	export OBJCOPY := $(KLIBCROSS)objcopy
29	export OBJDUMP := $(KLIBCROSS)objdump
30
31	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/sh./sh/)
34	export KLIBCARCH ?= $(ARCH)
35	export KLIBCARCHDIR := $(shell echo $(KLIBCARCH) \| sed -e s/s390x/s390/)
36
37	export HOSTCC := gcc
38	export HOSTCFLAGS := -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
39	export PERL := perl
40
41	# Location for installation
42	export prefix = /usr
43	export bindir = $(prefix)/bin
44	export libdir = $(prefix)/lib
45	export mandir = $(prefix)/man
46	export INSTALLDIR = $(prefix)/lib/klibc
47	export INSTALLROOT =
48
49	# Create a fake .config as present in the kernel tree
50	# But if it exists leave it alone
51	$(if $(wildcard $(objtree)/.config),,\
52	$(shell cp $(srctree)/defconfig $(objtree)/.config))
53
54	# Prefix Make commands with $(Q) to silence them
55	# Use quiet_cmd_xxx, cmd_xxx to create nice output
56	# use make V=1 to get verbose output
57
58	ifdef V
59	ifeq ("$(origin V)", "command line")
60	KBUILD_VERBOSE = $(V)
61	endif
62	endif
63	ifndef KBUILD_VERBOSE
64	KBUILD_VERBOSE = 0
65	endif
66
67	ifeq ($(KBUILD_VERBOSE),1)
68	quiet =
69	Q =
70	else
71	quiet=quiet_
72	Q = @
73	endif
74
75	# If the user is running make -s (silent mode), suppress echoing of
76	# commands
77
78	ifneq ($(findstring s,$(MAKEFLAGS)),)
79	quiet=silent_
80	endif
81
82	export quiet Q KBUILD_VERBOSE
83
84	# Do not print "Entering directory ..."
85	MAKEFLAGS += --no-print-directory
86
87	# Shorthand to call Kbuild.klibc
88	klibc := -f $(srctree)/scripts/Kbuild.klibc obj
89
90	# Very first target
91	.PHONY: all klcc klibc
92	all: klcc klibc
93
94	$(objtree)/.config: $(srctree)/defconfig $(KLIBCKERNELOBJ)
95	@echo "defconfig has changed, please remove or edit .config"
96	@false
97
98	$(KLIBCKERNELSRC):
99	@echo "Cannot find kernel sources."
100	@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
104
105	rpmbuild = $(shell which rpmbuild 2>/dev/null \|\| which rpm)
106
107	klibc.spec: klibc.spec.in $(KLIBCSRC)/version
108	sed -e 's/@@VERSION@@/$(VERSION)/g' < $< > $@
109
110	# Build klcc - it is the first target
111	klcc: $(objtree)/.config
112	$(Q)$(MAKE) $(klibc)=klcc
113
114	klibc: $(objtree)/.config
115	$(Q)$(MAKE) $(klibc)=.
116
117	test: klibc
118	$(Q)$(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
142	# Caveat: works only for .c files where we have a Kbuild file in same dir
143	%.o: %.c FORCE
144	$(Q)$(MAKE) $(klibc)=$(dir $<) $(dir $<)$(notdir $@)
145
146	%.s: %.c FORCE
147	$(Q)$(MAKE) $(klibc)=$(dir $<) $(dir $<)$(notdir $@)
148
149	%.i: %.c FORCE
150	$(Q)$(MAKE) $(klibc)=$(dir $<) $(dir $<)$(notdir $@)
151
152	FORCE: ;
153	###
154	# clean: remove generated files
155	# mrproper does a full cleaning including .config and linux symlink
156	FIND_IGNORE := \( -name .git \) -prune -o
157	quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),RM $(wildcard $(rm-files)))
158	cmd_rmfiles = rm -f $(rm-files)
159	clean:
160	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.clean obj=.
161	$(Q)find . $(FIND_IGNORE) \
162	\( -name .o -o -name .a -o -name '.*.cmd' -o \
163	-name '..d' -o -name '..tmp' \) \
164	-type f -print \| xargs rm -f
165
166	rm-files := $(objtree)/.config linux
167	distclean mrproper: clean
168	$(Q)find . $(FIND_IGNORE) \
169	\( -name '.orig' -o -name '.rej' -o -name '*~' \
170	-o -name '.bak' -o -name '##' -o -name '.*.orig' \
171	-o -name '.*.rej' -o -size 0 \
172	-o -name '%' -o -name '..cmd' -o -name 'core' \) \
173	-type f -print \| xargs rm -f
174	$(call cmd,rmfiles)
175
176	install: all
177	$(Q)$(MAKE) -f $(srctree)/scripts/Kbuild.install obj=.
178
179	# This does all the prep work needed to turn a freshly exported git repository
180	# into a release tarball tree
181	release: klibc.spec
182	rm -f maketar.sh .config