aboutsummaryrefslogtreecommitdiff
path: root/package/gdb/gdb.mk
blob: 98183206f98e2438bffdff636e771aa3f22fbc85 (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
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
################################################################################
#
# gdb
#
################################################################################

GDB_VERSION = $(call qstrip,$(BR2_GDB_VERSION))
GDB_SITE = $(BR2_GNU_MIRROR)/gdb
GDB_SOURCE = gdb-$(GDB_VERSION).tar.xz

ifeq ($(BR2_arc),y)
GDB_SITE = $(call github,foss-for-synopsys-dwc-arc-processors,binutils-gdb,$(GDB_VERSION))
GDB_SOURCE = gdb-$(GDB_VERSION).tar.gz
GDB_FROM_GIT = y
endif

ifeq ($(BR2_microblaze),y)
GDB_SITE = $(call github,Xilinx,gdb,$(GDB_VERSION))
GDB_SOURCE = gdb-$(GDB_VERSION).tar.gz
GDB_FROM_GIT = y
endif

# Use .tar.bz2 for 7.7.x since there was no .tar.xz release back then
ifneq ($(filter 7.7.%,$(GDB_VERSION)),)
GDB_SOURCE = gdb-$(GDB_VERSION).tar.bz2
endif

GDB_LICENSE = GPLv2+ LGPLv2+ GPLv3+ LGPLv3+
GDB_LICENSE_FILES = COPYING COPYING.LIB COPYING3 COPYING3.LIB

# We only want gdbserver and not the entire debugger.
ifeq ($(BR2_PACKAGE_GDB_DEBUGGER),)
GDB_SUBDIR = gdb/gdbserver
HOST_GDB_SUBDIR = .
else
GDB_DEPENDENCIES = ncurses
endif

# For the host variant, we really want to build with XML support,
# which is needed to read XML descriptions of target architectures. We
# also need ncurses.
HOST_GDB_DEPENDENCIES = host-expat host-ncurses

# Apply the Xtensa specific patches
XTENSA_CORE_NAME = $(call qstrip, $(BR2_XTENSA_CORE_NAME))
ifneq ($(XTENSA_CORE_NAME),)
define GDB_XTENSA_PRE_PATCH
	tar xf $(BR2_XTENSA_OVERLAY_DIR)/xtensa_$(XTENSA_CORE_NAME).tar \
		-C $(@D) --strip-components=1 gdb
endef
GDB_PRE_PATCH_HOOKS += GDB_XTENSA_PRE_PATCH
HOST_GDB_PRE_PATCH_HOOKS += GDB_XTENSA_PRE_PATCH
endif

# When gdb sources are fetched from the binutils-gdb repository, they
# also contain the binutils sources, but binutils shouldn't be built,
# so we disable it.
GDB_DISABLE_BINUTILS_CONF_OPTS = \
	--disable-binutils \
	--disable-ld \
	--disable-gas

GDB_CONF_ENV = \
	ac_cv_type_uintptr_t=yes \
	gt_cv_func_gettext_libintl=yes \
	ac_cv_func_dcgettext=yes \
	gdb_cv_func_sigsetjmp=yes \
	bash_cv_func_strcoll_broken=no \
	bash_cv_must_reinstall_sighandlers=no \
	bash_cv_func_sigsetjmp=present \
	bash_cv_have_mbstate_t=yes \
	gdb_cv_func_sigsetjmp=yes

# The shared only build is not supported by gdb, so enable static build for
# build-in libraries with --enable-static.
GDB_CONF_OPTS = \
	--without-uiout \
	--disable-gdbtk \
	--without-x \
	--disable-sim \
	$(GDB_DISABLE_BINUTILS_CONF_OPTS) \
	$(if $(BR2_PACKAGE_GDB_SERVER),--enable-gdbserver) \
	--with-curses \
	--without-included-gettext \
	--disable-werror \
	--enable-static

ifeq ($(BR2_PACKAGE_GDB_TUI),y)
GDB_CONF_OPTS += --enable-tui
else
GDB_CONF_OPTS += --disable-tui
endif

ifeq ($(BR2_PACKAGE_GDB_PYTHON),y)
GDB_CONF_OPTS += --with-python=$(TOPDIR)/package/gdb/gdb-python-config
GDB_DEPENDENCIES += python
else
GDB_CONF_OPTS += --without-python
endif

# This removes some unneeded Python scripts and XML target description
# files that are not useful for a normal usage of the debugger.
define GDB_REMOVE_UNNEEDED_FILES
	$(RM) -rf $(TARGET_DIR)/usr/share/gdb
endef

GDB_POST_INSTALL_TARGET_HOOKS += GDB_REMOVE_UNNEEDED_FILES

# This installs the gdbserver somewhere into the $(HOST_DIR) so that
# it becomes an integral part of the SDK, if the toolchain generated
# by Buildroot is later used as an external toolchain. We install it
# in debug-root/usr/bin/gdbserver so that it matches what Crosstool-NG
# does.
define GDB_SDK_INSTALL_GDBSERVER
	$(INSTALL) -D -m 0755 $(TARGET_DIR)/usr/bin/gdbserver \
		$(HOST_DIR)/usr/$(GNU_TARGET_NAME)/debug-root/usr/bin/gdbserver
endef

ifeq ($(BR2_PACKAGE_GDB_SERVER),y)
GDB_POST_INSTALL_TARGET_HOOKS += GDB_SDK_INSTALL_GDBSERVER
endif

# A few notes:
#  * --target, because we're doing a cross build rather than a real
#    host build.
#  * --enable-static because gdb really wants to use libbfd.a
HOST_GDB_CONF_OPTS = \
	--target=$(GNU_TARGET_NAME) \
	--enable-static \
	--without-uiout \
	--disable-gdbtk \
	--without-x \
	--enable-threads \
	--disable-werror \
	--without-included-gettext \
	$(GDB_DISABLE_BINUTILS_CONF_OPTS) \
	--disable-sim

ifeq ($(BR2_PACKAGE_HOST_GDB_TUI),y)
HOST_GDB_CONF_OPTS += --enable-tui
else
HOST_GDB_CONF_OPTS += --disable-tui
endif

ifeq ($(BR2_PACKAGE_HOST_GDB_PYTHON),y)
HOST_GDB_CONF_OPTS += --with-python=$(HOST_DIR)/usr/bin/python2
HOST_GDB_DEPENDENCIES += host-python
else
HOST_GDB_CONF_OPTS += --without-python
endif

ifeq ($(GDB_FROM_GIT),y)
GDB_DEPENDENCIES += host-texinfo
HOST_GDB_DEPENDENCIES += host-texinfo
else
# don't generate documentation
GDB_CONF_ENV += ac_cv_prog_MAKEINFO=missing
HOST_GDB_CONF_ENV += ac_cv_prog_MAKEINFO=missing
endif

# legacy $arch-linux-gdb symlink
define HOST_GDB_ADD_SYMLINK
	cd $(HOST_DIR)/usr/bin && \
		ln -snf $(GNU_TARGET_NAME)-gdb $(ARCH)-linux-gdb
endef

HOST_GDB_POST_INSTALL_HOOKS += HOST_GDB_ADD_SYMLINK

HOST_GDB_POST_INSTALL_HOOKS += gen_gdbinit_file

$(eval $(autotools-package))
$(eval $(host-autotools-package))