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kumquat-buildroot/package/gdb/gdb.mk
Michael Fischer bc7322fe54 package/gdb: add support for gdb 11.x 
All patch from gdb 10.2 are kept.

Starting from version 11.x, gdb needs the gmp library. The target
variant needs a bit of care: if BR2_GDB_VERSION_11 is not set, either
the host gdb is not enabled, in which case the default for the target
gdb is 9.x, or the host gdb is enabled, and another version is selected.

Signed-off-by: Michael Fischer <mf@go-sys.de>
[Thomas:
 - fix how the gmp dependency is handled
 - set BR2_PACKAGE_GDB_TOPLEVEL to y for gdb 11.x
 - fix how BR2_GDB_VERSION is set for gdb 11.x]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
[yann.morin.1998@free.fr:
  - only select target gmp if using gdb 11
]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
2021-10-10 19:35:40 +02:00

328 lines
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################################################################################
#
# 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_csky),y)
GDB_SITE = $(call github,c-sky,binutils-gdb,$(GDB_VERSION))
GDB_SOURCE = gdb-$(GDB_VERSION).tar.gz
GDB_FROM_GIT = y
endif
GDB_LICENSE = GPL-2.0+, LGPL-2.0+, GPL-3.0+, LGPL-3.0+
GDB_LICENSE_FILES = COPYING COPYING.LIB COPYING3 COPYING3.LIB
GDB_CPE_ID_VENDOR = gnu
# On gdb < 10, if you want to build only gdbserver, you need to
# configure only gdb/gdbserver.
ifeq ($(BR2_PACKAGE_GDB_DEBUGGER)$(BR2_PACKAGE_GDB_TOPLEVEL),)
GDB_SUBDIR = gdb/gdbserver
# When we want to build the full gdb, or for very recent versions of
# gdb with gdbserver at the top-level, out of tree build is mandatory,
# so we create a 'build' subdirectory in the gdb sources, and build
# from there.
else
GDB_SUBDIR = build
define GDB_CONFIGURE_SYMLINK
mkdir -p $(@D)/$(GDB_SUBDIR)
ln -sf ../configure $(@D)/$(GDB_SUBDIR)/configure
endef
GDB_PRE_CONFIGURE_HOOKS += GDB_CONFIGURE_SYMLINK
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.
# As for libiberty, gdb may use a system-installed one if present, so
# we must ensure ours is installed first.
HOST_GDB_DEPENDENCIES = host-expat host-libiberty host-ncurses
# Disable building documentation
GDB_MAKE_OPTS += MAKEINFO=true
GDB_INSTALL_TARGET_OPTS += MAKEINFO=true DESTDIR=$(TARGET_DIR) install
HOST_GDB_MAKE_OPTS += MAKEINFO=true
HOST_GDB_INSTALL_OPTS += MAKEINFO=true install
# Apply the Xtensa specific patches
ifneq ($(ARCH_XTENSA_OVERLAY_FILE),)
define GDB_XTENSA_OVERLAY_EXTRACT
$(call arch-xtensa-overlay-extract,$(@D),gdb)
endef
GDB_POST_EXTRACT_HOOKS += GDB_XTENSA_OVERLAY_EXTRACT
GDB_EXTRA_DOWNLOADS += $(ARCH_XTENSA_OVERLAY_URL)
HOST_GDB_POST_EXTRACT_HOOKS += GDB_XTENSA_OVERLAY_EXTRACT
HOST_GDB_EXTRA_DOWNLOADS += $(ARCH_XTENSA_OVERLAY_URL)
endif
ifeq ($(GDB_FROM_GIT),y)
GDB_DEPENDENCIES += host-flex host-bison
HOST_GDB_DEPENDENCIES += host-flex host-bison
endif
# When BR2_GDB_VERSION_11=y, we're going to build gdb 11.x for the
# host (if enabled), so we add the necessary gmp dependency.
ifeq ($(BR2_GDB_VERSION_11),y)
HOST_GDB_DEPENDENCIES += host-gmp
endif
# When BR2_GDB_VERSION_11=y (because it's enabled for the host) and
# we're building the full gdb for the target, we need gmp as a
# dependency. For now the default gdb version in Buildroot doesn't
# require gmp.
ifeq ($(BR2_GDB_VERSION_11)$(BR2_PACKAGE_GDB_DEBUGGER),yy)
GDB_DEPENDENCIES += gmp
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 (additionally the option --disable-install-libbfd
# prevents the un-wanted installation of libobcodes.so and libbfd.so).
GDB_DISABLE_BINUTILS_CONF_OPTS = \
--disable-binutils \
--disable-install-libbfd \
--disable-ld \
--disable-gas \
--disable-gprof
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
# Starting with gdb 7.11, the bundled gnulib tries to use
# rpl_gettimeofday (gettimeofday replacement) due to the code being
# unable to determine if the replacement function should be used or
# not when cross-compiling with uClibc or musl as C libraries. So use
# gl_cv_func_gettimeofday_clobber=no to not use rpl_gettimeofday,
# assuming musl and uClibc have a properly working gettimeofday
# implementation. It needs to be passed to GDB_CONF_ENV to build
# gdbserver only but also to GDB_MAKE_ENV, because otherwise it does
# not get passed to the configure script of nested packages while
# building gdbserver with full debugger.
GDB_CONF_ENV += gl_cv_func_gettimeofday_clobber=no
GDB_MAKE_ENV += gl_cv_func_gettimeofday_clobber=no
# Similarly, starting with gdb 8.1, the bundled gnulib tries to use
# rpl_strerror. Let's tell gnulib the C library implementation works
# well enough.
GDB_CONF_ENV += \
gl_cv_func_working_strerror=yes \
gl_cv_func_strerror_0_works=yes
GDB_MAKE_ENV += \
gl_cv_func_working_strerror=yes \
gl_cv_func_strerror_0_works=yes
# Starting with glibc 2.25, the proc_service.h header has been copied
# from gdb to glibc so other tools can use it. However, that makes it
# necessary to make sure that declaration of prfpregset_t declaration
# is consistent between gdb and glibc. In gdb, however, there is a
# workaround for a broken prfpregset_t declaration in glibc 2.3 which
# uses AC_TRY_RUN to detect if it's needed, which doesn't work in
# cross-compilation. So pass the cache option to configure.
# It needs to be passed to GDB_CONF_ENV to build gdbserver only but
# also to GDB_MAKE_ENV, because otherwise it does not get passed to the
# configure script of nested packages while building gdbserver with full
# debugger.
GDB_CONF_ENV += gdb_cv_prfpregset_t_broken=no
GDB_MAKE_ENV += gdb_cv_prfpregset_t_broken=no
# 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 \
$(GDB_DISABLE_BINUTILS_CONF_OPTS) \
--without-included-gettext \
--disable-werror \
--enable-static \
--without-mpfr
ifeq ($(BR2_PACKAGE_GDB_DEBUGGER),y)
GDB_CONF_OPTS += \
--enable-gdb \
--with-curses
GDB_DEPENDENCIES += ncurses \
$(if $(BR2_PACKAGE_LIBICONV),libiconv)
else
GDB_CONF_OPTS += \
--disable-gdb \
--without-curses
endif
ifeq ($(BR2_PACKAGE_GDB_SERVER),y)
GDB_CONF_OPTS += --enable-gdbserver
else
GDB_CONF_OPTS += --disable-gdbserver
endif
# When gdb is built as C++ application for ARC it segfaults at runtime
# So we pass --disable-build-with-cxx config option to force gdb not to
# be built as C++ app.
ifeq ($(BR2_arc),y)
GDB_CONF_OPTS += --disable-build-with-cxx
endif
# gdb 7.12+ by default builds with a C++ compiler, which doesn't work
# when we don't have C++ support in the toolchain
ifneq ($(BR2_INSTALL_LIBSTDCPP),y)
GDB_CONF_OPTS += --disable-build-with-cxx
endif
# inprocess-agent can't be built statically
ifeq ($(BR2_STATIC_LIBS),y)
GDB_CONF_OPTS += --disable-inprocess-agent
endif
ifeq ($(BR2_PACKAGE_GDB_TUI),y)
GDB_CONF_OPTS += --enable-tui
else
GDB_CONF_OPTS += --disable-tui
endif
ifeq ($(BR2_PACKAGE_GDB_PYTHON),y)
ifeq ($(BR2_PACKAGE_PYTHON3),y)
# CONF_ENV: for top-level configure; MAKE_ENV: for sub-projects' configure.
GDB_CONF_ENV += BR_PYTHON_VERSION=$(PYTHON3_VERSION_MAJOR)
GDB_MAKE_ENV += BR_PYTHON_VERSION=$(PYTHON3_VERSION_MAJOR)
GDB_DEPENDENCIES += python3
else
# CONF_ENV: for top-level configure; MAKE_ENV: for sub-projects' configure.
GDB_CONF_ENV += BR_PYTHON_VERSION=$(PYTHON_VERSION_MAJOR)
GDB_MAKE_ENV += BR_PYTHON_VERSION=$(PYTHON_VERSION_MAJOR)
GDB_DEPENDENCIES += python
endif
GDB_CONF_OPTS += --with-python=$(TOPDIR)/package/gdb/gdb-python-config
else
GDB_CONF_OPTS += --without-python
endif
ifeq ($(BR2_PACKAGE_EXPAT),y)
GDB_CONF_OPTS += --with-expat
GDB_CONF_OPTS += --with-libexpat-prefix=$(STAGING_DIR)/usr
GDB_DEPENDENCIES += expat
else
GDB_CONF_OPTS += --without-expat
endif
ifeq ($(BR2_PACKAGE_XZ),y)
GDB_CONF_OPTS += --with-lzma
GDB_CONF_OPTS += --with-liblzma-prefix=$(STAGING_DIR)/usr
GDB_DEPENDENCIES += xz
else
GDB_CONF_OPTS += --without-lzma
endif
ifeq ($(BR2_PACKAGE_ZLIB),y)
GDB_CONF_OPTS += --with-zlib
GDB_DEPENDENCIES += zlib
else
GDB_CONF_OPTS += --without-zlib
endif
ifeq ($(BR2_PACKAGE_GDB_PYTHON),)
# 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
endif
# 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 \
$(HOST_DIR)/$(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 \
--with-curses \
--without-mpfr \
$(GDB_DISABLE_BINUTILS_CONF_OPTS)
ifeq ($(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)/bin/python2
HOST_GDB_DEPENDENCIES += host-python
else ifeq ($(BR2_PACKAGE_HOST_GDB_PYTHON3),y)
HOST_GDB_CONF_OPTS += --with-python=$(HOST_DIR)/bin/python3
HOST_GDB_DEPENDENCIES += host-python3
else
HOST_GDB_CONF_OPTS += --without-python
endif
ifeq ($(BR2_PACKAGE_HOST_GDB_SIM),y)
HOST_GDB_CONF_OPTS += --enable-sim
else
HOST_GDB_CONF_OPTS += --disable-sim
endif
# Since gdb 9, in-tree builds for GDB are not allowed anymore,
# so we create a 'build' subdirectory in the gdb sources, and
# build from there.
HOST_GDB_SUBDIR = build
define HOST_GDB_CONFIGURE_SYMLINK
mkdir -p $(@D)/build
ln -sf ../configure $(@D)/build/configure
endef
HOST_GDB_PRE_CONFIGURE_HOOKS += HOST_GDB_CONFIGURE_SYMLINK
# legacy $arch-linux-gdb symlink
define HOST_GDB_ADD_SYMLINK
cd $(HOST_DIR)/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))
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