summaryrefslogtreecommitdiff
path: root/mk/uclibc.mk
blob: 64bf7dd3daca4e166e11745face3d7c0daa10c6f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
################################################################################
# Embtoolkit
# Copyright(C) 2009-2011 Abdoulaye Walsimou GAYE.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
################################################################################
#
# \file         uclibc.mk
# \brief	uclibc.mk of Embtoolkit
# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
# \date         August 2009
################################################################################

UCLIBC_NAME		:= uClibc
UCLIBC_VERSION		:= $(call embtk_get_pkgversion,uClibc)
UCLIBC_SITE		:= http://www.uclibc.org/downloads
UCLIBC_GIT_SITE		:= git://git.busybox.net/uClibc
UCLIBC_PACKAGE		:= uClibc-$(UCLIBC_VERSION).tar.bz2
UCLIBC_SRC_DIR		:= $(embtk_toolsb)/uClibc-$(UCLIBC_VERSION)
UCLIBC_BUILD_DIR	:= $(call __embtk_pkg_srcdir,uClibc)

UCLIBC_HEADERS_NAME		:= uClibc_headers
UCLIBC_HEADERS_VERSION		:= $(UCLIBC_VERSION)
UCLIBC_HEADERS_SITE		:= $(UCLIBC_SITE)
UCLIBC_HEADERS_GIT_SITE		:= $(UCLIBC_GIT_SITE)
UCLIBC_HEADERS_PACKAGE		:= $(UCLIBC_PACKAGE)
UCLIBC_HEADERS_SRC_DIR		:= $(UCLIBC_SRC_DIR)
UCLIBC_HEADERS_BUILD_DIR	:= $(UCLIBC_BUILD_DIR)
UCLIBC_HEADERS_KCONFIGS_NAME	:= UCLIBC

UCLIBC_DOTCONFIG	:= $(UCLIBC_BUILD_DIR)/.config
EMBTK_UCLIBC_CFLAGS	:= $(filter-out $(__clang_cflags),$(TARGET_CFLAGS))
EMBTK_UCLIBC_CFLAGS	+= $(EMBTK_TARGET_MCPU)
EMBTK_UCLIBC_CFLAGS	+= $(EMBTK_TARGET_ABI) $(EMBTK_TARGET_FLOAT_CFLAGS)
EMBTK_UCLIBC_CFLAGS	+= $(EMBTK_TARGET_MARCH) -pipe

#
# uClibc libraries make options.
#

UCLIBC_MAKE_OPTS	:= PREFIX="$(embtk_sysroot)/"
UCLIBC_MAKE_OPTS	+= CROSS_COMPILER_PREFIX="$(CROSS_COMPILE)"
UCLIBC_MAKE_OPTS	+= MULTILIB_DIR="/$(LIBDIR)/"
UCLIBC_MAKE_OPTS	+= RUNTIME_PREFIX="/" DEVEL_PREFIX="/usr/"
UCLIBC_MAKE_OPTS	+= KERNEL_HEADERS="$(embtk_sysroot)/usr/include/"
UCLIBC_MAKE_OPTS	+= UCLIBC_EXTRA_CFLAGS="$(EMBTK_UCLIBC_CFLAGS)"

# FIXME: unset incorrect variables in uClibc (mainline) Rules.mak for MIPS
ifeq ($(CONFIG_EMBTK_ARCH_MIPS),y)
UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_ISA_1=""
UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_ISA_2=""
UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_ISA_3=""
UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_ISA_4=""
UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_ISA_MIPS32=""
UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_ISA_MIPS32R2=""
UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_ISA_MIPS64=""
UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_N64_ABI=""
UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_N32_ABI=""
endif

#
# Install dummy uClibc needed to build gcc stage 2
#
define __embtk_install_uclibc_dummy
	$(TARGETGCC) -nostdlib -nostartfiles -shared -x c /dev/null		\
				-o $(embtk_sysroot)/$(LIBDIR)/libc.so.0
	echo '/* GNU ld script - Dummy uClibc linker script. */'		\
		> $(embtk_sysroot)/usr/$(LIBDIR)/libc.so
	$(TARGETGCC) -Wl,--verbose 2>&1 | sed -n '/OUTPUT_FORMAT/,/)/p'		\
		>> $(embtk_sysroot)/usr/$(LIBDIR)/libc.so
	echo 'GROUP(AS_NEEDED(libc.so.0))'					\
		>> $(embtk_sysroot)/usr/$(LIBDIR)/libc.so
endef

#
# uClibc libraries install
#
define embtk_install_uclibc
	$(call embtk_makeinstall_pkg,uclibc)
endef

#
# Uclibc headers install
#
define __embtk_install_uclibc_headers
	$(call embtk_pinfo,"Install uClibc-$(UCLIBC_VERSION) headers ...")
	$(call embtk_download_pkg,uClibc)
	$(call embtk_decompress_pkg,uClibc)
	$(MAKE) -C $(UCLIBC_BUILD_DIR) distclean
	$(embtk_configure_uclibc)
	$(MAKE) -C $(UCLIBC_BUILD_DIR) silentoldconfig
	$(MAKE) -C $(UCLIBC_BUILD_DIR) $(UCLIBC_MAKE_OPTS) install_headers
	$(MAKE) -C $(UCLIBC_BUILD_DIR) $(UCLIBC_MAKE_OPTS) install_startfiles
	$(MAKE) -C $(UCLIBC_BUILD_DIR) $(UCLIBC_MAKE_OPTS) install_startfiles
	$(__embtk_install_uclibc_dummy)
	touch $(call __embtk_pkg_dotinstalled_f,uclibc_headers)
endef

define embtk_install_uclibc_headers
	[ -e $(call __embtk_pkg_dotinstalled_f,uclibc_headers) ] ||		\
		$(__embtk_install_uclibc_headers)
endef

#
# Clean up macros
#
define __embtk_cleanup_uclibc
	($(MAKE) -C $(UCLIBC_BUILD_DIR) distclean &&				\
	rm -rf $(call __embtk_pkg_dotinstalled_f,uclibc) &&			\
	rm -rf $(call __embtk_pkg_dotinstalled_f,uclibc_headers))
endef
define embtk_cleanup_uclibc
	if [ -d $(UCLIBC_BUILD_DIR) ]						\
		&& [ -e $(UCLIBC_BUILD_DIR)/Makefile ]; then			\
		$(__embtk_cleanup_uclibc)					\
	fi
endef

define embtk_cleanup_uclibc_headers
	$(embtk_cleanup_uclibc)
endef

#
# uClibc configuration macros and target
#
__embtk_get_uclibc_config=grep "CONFIG_KEMBTK_UCLIBC_" $(EMBTK_DOTCONFIG)
__embtk_set_uclibc_config=sed -e 's/CONFIG_KEMBTK_UCLIBC_*//g' > $(UCLIBC_DOTCONFIG)
define embtk_configure_uclibc
	$(call embtk_pinfo,"Configure uClibc")
	$(__embtk_get_uclibc_config) | $(__embtk_set_uclibc_config)
endef

#
# downloads
#
download_uclibc download_uclibc_headers:
	$(call embtk_download_pkg,uclibc)