crosstool-ng/scripts/build/debug/300-gdb.sh

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# Build script for the gdb debug facility
do_debug_gdb_get() {
local linaro_version=""
local linaro_series=""
if [ "${CT_GDB_CUSTOM}" = "y" ]; then
CT_GetCustom "gdb" "${CT_GDB_CUSTOM_VERSION}" \
"${CT_GDB_CUSTOM_LOCATION}"
else
case "${CT_GDB_VERSION}" in
linaro-*)
CT_GetLinaro "gdb" "${CT_GDB_VERSION}"
;;
*)
CT_GetFile "gdb-${CT_GDB_VERSION}" \
http://mirrors.kernel.org/sourceware/gdb \
{http,ftp,https}://ftp.gnu.org/pub/gnu/gdb \
ftp://{sourceware.org,gcc.gnu.org}/pub/gdb/releases
;;
esac
fi
}
do_debug_gdb_extract() {
CT_Extract "gdb-${CT_GDB_VERSION}"
CT_Patch "gdb" "${CT_GDB_VERSION}"
if [ -n "${CT_ARCH_XTENSA_CUSTOM_NAME}" ]; then
CT_ConfigureXtensa "gdb" "${CT_GDB_VERSION}"
fi
}
do_debug_gdb_build() {
local -a extra_config
gdb_src_dir="${CT_SRC_DIR}/gdb-${CT_GDB_VERSION}"
# Version 6.3 and below behave badly with gdbmi
case "${CT_GDB_VERSION}" in
6.2*|6.3) extra_config+=("--disable-gdbmi");;
esac
if [ "${CT_GDB_HAS_PKGVERSION_BUGURL}" = "y" ]; then
extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
[ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
fi
if [ "${CT_GDB_CROSS}" = "y" ]; then
local -a cross_extra_config
local gcc_version p _p
CT_DoStep INFO "Installing cross-gdb"
CT_DoLog EXTRA "Configuring cross-gdb"
mkdir -p "${CT_BUILD_DIR}/build-gdb-cross"
cd "${CT_BUILD_DIR}/build-gdb-cross"
cross_extra_config=("${extra_config[@]}")
# For gdb-cross this combination of flags forces
# gdb configure to fall back to default '-lexpat' flag
# which is acceptable.
#
# NOTE: DO NOT USE --with-libexpat-prefix (until GDB configure is smarter)!!!
# It conflicts with a static build: GDB's configure script will find the shared
# version of expat and will attempt to link that, despite the -static flag.
# The link will fail, and configure will abort with "expat missing or unusable"
# message.
cross_extra_config+=("--with-expat")
cross_extra_config+=("--without-libexpat-prefix")
case "${CT_THREADS}" in
none) cross_extra_config+=("--disable-threads");;
*) cross_extra_config+=("--enable-threads");;
esac
if [ "${CT_GDB_CROSS_PYTHON}" = "y" ]; then
if [ -z "${CT_GDB_CROSS_PYTHON_BINARY}" ]; then
for p in python python3 python2; do
_p=$( which "${p}" || true )
if [ -n "${_p}" ]; then
cross_extra_config+=( "--with-python=${_p}" )
break
fi
done
if [ -z "${_p}" ]; then
CT_Abort "Python support requested in cross-gdb, but Python not found. Set CT_GDB_CROSS_PYTHON_BINARY in your config."
fi
else
cross_extra_config+=( "--with-python=${CT_GDB_CROSS_PYTHON_BINARY}" )
fi
else
cross_extra_config+=( "--with-python=no" )
fi
if [ "${CT_GDB_CROSS_SIM}" = "y" ]; then
cross_extra_config+=( "--enable-sim" )
else
cross_extra_config+=( "--disable-sim" )
fi
if [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ]; then
cross_extra_config+=("--disable-nls")
fi
CPP_for_gdb="${CT_HOST}-cpp ${CT_CFLAGS_FOR_HOST}"
CC_for_gdb="${CT_HOST}-gcc ${CT_CFLAGS_FOR_HOST} ${CT_LDFLAGS_FOR_HOST}"
CXX_for_gdb="${CT_HOST}-g++ ${CT_CFLAGS_FOR_HOST} ${CT_LDFLAGS_FOR_HOST}"
LD_for_gdb="${CT_HOST}-ld ${CT_LDFLAGS_FOR_HOST}"
if [ "${CT_GDB_CROSS_STATIC}" = "y" ]; then
CC_for_gdb+=" -static"
CXX_for_gdb+=" -static"
LD_for_gdb+=" -static"
fi
case "${CT_HOST}" in
*darwin*)
# FIXME: Really, we should be testing for host compiler being clang.
CC_for_gdb+=" -Qunused-arguments"
CXX_for_gdb+=" -Qunused-arguments"
# clang detects the line from gettext's _ macro as format string
# not being a string literal and produces a lot of warnings - which
# ct-ng's logger faithfully relays to user if this happens in the
# error() function. Suppress them.
cross_extra_config+=( "--enable-build-warnings=,-Wno-format-nonliteral,-Wno-format-security" )
;;
esac
# Fix up whitespace. Some older GDB releases (e.g. 6.8a) get confused if there
# are multiple consecutive spaces: sub-configure scripts replace them with a
# single space and then complain that $CC value changed from that in
# the master directory.
CPP_for_gdb=`echo $CPP_for_gdb`
CC_for_gdb=`echo $CC_for_gdb`
CXX_for_gdb=`echo $CXX_for_gdb`
LD_for_gdb=`echo $LD_for_gdb`
# Disable binutils options when building from the binutils-gdb repo.
cross_extra_config+=("--disable-binutils")
cross_extra_config+=("--disable-ld")
cross_extra_config+=("--disable-gas")
CT_DoLog DEBUG "Extra config passed: '${cross_extra_config[*]}'"
CT_DoExecLog CFG \
CC_FOR_BUILD="${CT_BUILD}-gcc" \
CFLAGS_FOR_BUILD="${CT_CFLAGS_FOR_BUILD}" \
LDFLAGS_FOR_BUILD="${CT_LDFLAGS_FOR_BUILD}" \
CPP="${CPP_for_gdb}" \
CC="${CC_for_gdb}" \
CXX="${CXX_for_gdb}" \
LD="${LD_for_gdb}" \
${CONFIG_SHELL} \
"${gdb_src_dir}/configure" \
--build=${CT_BUILD} \
--host=${CT_HOST} \
--target=${CT_TARGET} \
--prefix="${CT_PREFIX_DIR}" \
--with-build-sysroot="${CT_SYSROOT_DIR}" \
--with-sysroot="${CT_SYSROOT_DIR}" \
--disable-werror \
"${cross_extra_config[@]}" \
"${CT_GDB_CROSS_EXTRA_CONFIG_ARRAY[@]}"
CT_DoLog EXTRA "Building cross-gdb"
CT_DoExecLog ALL make ${JOBSFLAGS}
CT_DoLog EXTRA "Installing cross-gdb"
CT_DoExecLog ALL make install
if [ "${CT_BUILD_MANUALS}" = "y" ]; then
CT_DoLog EXTRA "Building and installing the cross-GDB manuals"
CT_DoExecLog ALL make ${JOBSFLAGS} pdf html
CT_DoExecLog ALL make install-{pdf,html}-gdb
fi
if [ "${CT_GDB_INSTALL_GDBINIT}" = "y" ]; then
CT_DoLog EXTRA "Installing '.gdbinit' template"
# See in scripts/build/internals.sh for why we do this
if [ -f "${CT_SRC_DIR}/gcc-${CT_CC_GCC_VERSION}/gcc/BASE-VER" ]; then
gcc_version=$( cat "${CT_SRC_DIR}/gcc-${CT_CC_GCC_VERSION}/gcc/BASE-VER" )
else
gcc_version=$(sed -r -e '/version_string/!d; s/^.+= "([^"]+)".*$/\1/;' \
"${CT_SRC_DIR}/gcc-${CT_CC_GCC_VERSION}/gcc/version.c" \
)
fi
sed -r \
-e "s:@@PREFIX@@:${CT_PREFIX_DIR}:;" \
-e "s:@@VERSION@@:${gcc_version}:;" \
"${CT_LIB_DIR}/scripts/build/debug/gdbinit.in" \
>"${CT_PREFIX_DIR}/share/gdb/gdbinit"
fi # Install gdbinit sample
CT_EndStep
fi
# TBD combine GDB native and gdbserver backends, build either or both in a single pass.
if [ "${CT_GDB_NATIVE}" = "y" ]; then
local -a native_extra_config
CT_DoStep INFO "Installing native gdb"
native_extra_config=("${extra_config[@]}")
# We may not have C++ language configured for target
if [ "${GDB_TARGET_DISABLE_CXX_BUILD}" = "y" ]; then
native_extra_config+=("--disable-build-with-cxx")
fi
# GDB on Mingw depends on PDcurses, not ncurses
if [ "${CT_MINGW32}" != "y" ]; then
native_extra_config+=("--with-curses")
fi
# Target libexpat resides in sysroot and does not have
# any dependencies, so just passing '-lexpat' to gcc is enough.
#
# By default gdb configure looks for expat in '$prefix/lib'
# directory. In our case '$prefix/lib' resolves to '/usr/lib'
# where libexpat for build platform lives, which is
# unacceptable for cross-compiling.
#
# To prevent this '--without-libexpat-prefix' flag must be passed.
# Thus configure falls back to '-lexpat', which is exactly what we want.
#
# NOTE: DO NOT USE --with-libexpat-prefix (until GDB configure is smarter)!!!
# It conflicts with a static build: GDB's configure script will find the shared
# version of expat and will attempt to link that, despite the -static flag.
# The link will fail, and configure will abort with "expat missing or unusable"
# message.
native_extra_config+=("--with-expat")
native_extra_config+=("--without-libexpat-prefix")
CT_DoLog EXTRA "Configuring native gdb"
mkdir -p "${CT_BUILD_DIR}/build-gdb-native"
cd "${CT_BUILD_DIR}/build-gdb-native"
case "${CT_THREADS}" in
none) native_extra_config+=("--disable-threads");;
*) native_extra_config+=("--enable-threads");;
esac
[ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && \
native_extra_config+=("--disable-nls")
CPP_for_gdb="${CT_TARGET}-cpp"
CC_for_gdb="${CT_TARGET}-${CT_CC}"
CXX_for_gdb="${CT_TARGET}-g++"
LD_for_gdb="${CT_TARGET}-ld"
if [ "${CT_GDB_NATIVE_STATIC}" = "y" ]; then
CC_for_gdb+=" -static"
CXX_for_gdb+=" -static"
LD_for_gdb+=" -static"
fi
export ac_cv_func_strncmp_works=yes
# Disable binutils options when building from the binutils-gdb repo.
native_extra_config+=("--disable-binutils")
native_extra_config+=("--disable-ld")
native_extra_config+=("--disable-gas")
CT_DoLog DEBUG "Extra config passed: '${native_extra_config[*]}'"
CT_DoExecLog CFG \
CC_FOR_BUILD="${CT_BUILD}-gcc" \
CFLAGS_FOR_BUILD="${CT_CFLAGS_FOR_BUILD}" \
LDFLAGS_FOR_BUILD="${CT_LDFLAGS_FOR_BUILD}" \
CPP="${CPP_for_gdb}" \
CC="${CC_for_gdb}" \
CXX="${CXX_for_gdb}" \
LD="${LD_for_gdb}" \
${CONFIG_SHELL} \
"${gdb_src_dir}/configure" \
--build=${CT_BUILD} \
--host=${CT_TARGET} \
--target=${CT_TARGET} \
--prefix=/usr \
--with-build-sysroot="${CT_SYSROOT_DIR}" \
--without-uiout \
--disable-tui \
--disable-gdbtk \
--without-x \
--disable-sim \
--disable-werror \
--without-included-gettext \
--without-develop \
"${native_extra_config[@]}"
CT_DoLog EXTRA "Building native gdb"
CT_DoExecLog ALL make ${JOBSFLAGS}
CT_DoLog EXTRA "Installing native gdb"
CT_DoExecLog ALL make DESTDIR="${CT_DEBUGROOT_DIR}" install
# Building a native gdb also builds a gdbserver
find "${CT_DEBUGROOT_DIR}" -type f -name gdbserver -exec rm -fv {} \; 2>&1 |CT_DoLog ALL
unset ac_cv_func_strncmp_works
CT_EndStep # native gdb build
fi
if [ "${CT_GDB_GDBSERVER}" = "y" ]; then
local -a gdbserver_extra_config
local gdbserver_LDFLAGS
CT_DoStep INFO "Installing gdbserver"
CT_DoLog EXTRA "Configuring gdbserver"
mkdir -p "${CT_BUILD_DIR}/build-gdb-gdbserver"
cd "${CT_BUILD_DIR}/build-gdb-gdbserver"
# Workaround for bad versions, where the configure
# script for gdbserver is not executable...
# Bah, GNU folks strike again... :-(
chmod +x "${gdb_src_dir}/gdb/gdbserver/configure"
gdbserver_LDFLAGS=
if [ "${CT_GDB_GDBSERVER_STATIC}" = "y" ]; then
gdbserver_LDFLAGS=-static
fi
if [ "${CT_GDB_GDBSERVER_STATIC_LIBSTDCXX}" = "y" ]; then
gdbserver_LDFLAGS+=" -static-libstdc++"
fi
gdbserver_extra_config=("${extra_config[@]}")
# We may not have C++ language configured for target
if [ "${GDB_TARGET_DISABLE_CXX_BUILD}" = "y" ]; then
gdbserver_extra_config+=("--disable-build-with-cxx")
fi
if [ "${CT_GDB_GDBSERVER_HAS_IPA_LIB}" = "y" ]; then
if [ "${CT_GDB_GDBSERVER_BUILD_IPA_LIB}" = "y" ]; then
gdbserver_extra_config+=( --enable-inprocess-agent )
else
gdbserver_extra_config+=( --disable-inprocess-agent )
fi
fi
# Disable binutils options when building from the binutils-gdb repo.
gdbserver_extra_config+=("--disable-binutils")
gdbserver_extra_config+=("--disable-ld")
gdbserver_extra_config+=("--disable-gas")
CT_DoExecLog CFG \
CC_FOR_BUILD="${CT_BUILD}-gcc" \
CFLAGS_FOR_BUILD="${CT_CFLAGS_FOR_BUILD}" \
LDFLAGS_FOR_BUILD="${CT_LDFLAGS_FOR_BUILD}" \
CC="${CT_TARGET}-${CT_CC}" \
CPP="${CT_TARGET}-cpp" \
LD="${CT_TARGET}-ld" \
LDFLAGS="${gdbserver_LDFLAGS}" \
${CONFIG_SHELL} \
"${gdb_src_dir}/gdb/gdbserver/configure" \
--build=${CT_BUILD} \
--host=${CT_TARGET} \
--target=${CT_TARGET} \
--prefix=/usr \
--sysconfdir=/etc \
--localstatedir=/var \
--includedir="${CT_HEADERS_DIR}" \
--with-build-sysroot="${CT_SYSROOT_DIR}" \
--program-prefix= \
--without-uiout \
--disable-tui \
--disable-gdbtk \
--without-x \
--without-included-gettext \
--without-develop \
--disable-werror \
"${gdbserver_extra_config[@]}"
CT_DoLog EXTRA "Building gdbserver"
CT_DoExecLog ALL make ${JOBSFLAGS} CC=${CT_TARGET}-${CT_CC}
CT_DoLog EXTRA "Installing gdbserver"
CT_DoExecLog ALL make DESTDIR="${CT_DEBUGROOT_DIR}" install
CT_EndStep
fi
}