mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-23 06:32:23 +00:00
374 lines
16 KiB
Bash
374 lines
16 KiB
Bash
# Build script for the gdb debug facility
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do_debug_gdb_get() {
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CT_Fetch GDB
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}
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do_debug_gdb_extract() {
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CT_ExtractPatch GDB
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}
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do_debug_gdb_build() {
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local -a extra_config
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gdb_src_dir="${CT_SRC_DIR}/gdb"
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if [ "${CT_GDB_HAS_PKGVERSION_BUGURL}" = "y" ]; then
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[ -n "${CT_PKGVERSION}" ] && extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
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[ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
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fi
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if [ "${CT_GDB_CROSS}" = "y" ]; then
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local -a cross_extra_config
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local gcc_version p _p
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CT_DoStep INFO "Installing cross-gdb"
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CT_DoLog EXTRA "Configuring cross-gdb"
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mkdir -p "${CT_BUILD_DIR}/build-gdb-cross"
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cd "${CT_BUILD_DIR}/build-gdb-cross"
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cross_extra_config=("${extra_config[@]}")
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# For gdb-cross this combination of flags forces
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# gdb configure to fall back to default '-lexpat' flag
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# which is acceptable.
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#
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# NOTE: DO NOT USE --with-libexpat-prefix (until GDB configure is smarter)!!!
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# It conflicts with a static build: GDB's configure script will find the shared
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# version of expat and will attempt to link that, despite the -static flag.
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# The link will fail, and configure will abort with "expat missing or unusable"
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# message.
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cross_extra_config+=("--with-expat")
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cross_extra_config+=("--without-libexpat-prefix")
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case "${CT_THREADS}" in
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none) cross_extra_config+=("--disable-threads");;
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*) cross_extra_config+=("--enable-threads");;
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esac
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if [ "${CT_GDB_CROSS_PYTHON}" = "y" ]; then
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if [ -z "${CT_GDB_CROSS_PYTHON_BINARY}" ]; then
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for p in python python3 python2; do
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_p=$( which "${p}" || true )
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if [ -n "${_p}" ]; then
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cross_extra_config+=( "--with-python=${_p}" )
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break
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fi
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done
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if [ -z "${_p}" ]; then
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CT_Abort "Python support requested in cross-gdb, but Python not found. Set CT_GDB_CROSS_PYTHON_BINARY in your config."
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fi
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else
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cross_extra_config+=( "--with-python=${CT_GDB_CROSS_PYTHON_BINARY}" )
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fi
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else
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cross_extra_config+=( "--with-python=no" )
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fi
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if [ "${CT_GDB_CROSS_SIM}" = "y" ]; then
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cross_extra_config+=( "--enable-sim" )
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else
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cross_extra_config+=( "--disable-sim" )
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fi
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if [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ]; then
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cross_extra_config+=("--disable-nls")
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fi
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CPP_for_gdb="${CT_HOST}-cpp ${CT_CFLAGS_FOR_HOST}"
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CC_for_gdb="${CT_HOST}-gcc ${CT_CFLAGS_FOR_HOST} ${CT_LDFLAGS_FOR_HOST}"
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CXX_for_gdb="${CT_HOST}-g++ ${CT_CFLAGS_FOR_HOST} ${CT_LDFLAGS_FOR_HOST}"
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LD_for_gdb="${CT_HOST}-ld ${CT_LDFLAGS_FOR_HOST}"
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if [ "${CT_GDB_CROSS_STATIC}" = "y" ]; then
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CC_for_gdb+=" -static"
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CXX_for_gdb+=" -static"
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LD_for_gdb+=" -static"
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fi
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case "${CT_HOST}" in
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*darwin*)
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# FIXME: Really, we should be testing for host compiler being clang.
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CC_for_gdb+=" -Qunused-arguments"
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CXX_for_gdb+=" -Qunused-arguments"
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# clang detects the line from gettext's _ macro as format string
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# not being a string literal and produces a lot of warnings - which
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# ct-ng's logger faithfully relays to user if this happens in the
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# error() function. Suppress them.
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cross_extra_config+=( "--enable-build-warnings=,-Wno-format-nonliteral,-Wno-format-security" )
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;;
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esac
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# Fix up whitespace. Some older GDB releases (e.g. 6.8a) get confused if there
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# are multiple consecutive spaces: sub-configure scripts replace them with a
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# single space and then complain that $CC value changed from that in
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# the master directory.
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CPP_for_gdb=`echo $CPP_for_gdb`
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CC_for_gdb=`echo $CC_for_gdb`
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CXX_for_gdb=`echo $CXX_for_gdb`
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LD_for_gdb=`echo $LD_for_gdb`
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# Disable binutils options when building from the binutils-gdb repo.
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cross_extra_config+=("--disable-binutils")
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cross_extra_config+=("--disable-ld")
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cross_extra_config+=("--disable-gas")
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CT_DoLog DEBUG "Extra config passed: '${cross_extra_config[*]}'"
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CT_DoExecLog CFG \
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CC_FOR_BUILD="${CT_BUILD}-gcc" \
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CFLAGS_FOR_BUILD="${CT_CFLAGS_FOR_BUILD}" \
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LDFLAGS_FOR_BUILD="${CT_LDFLAGS_FOR_BUILD}" \
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CPP="${CPP_for_gdb}" \
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CC="${CC_for_gdb}" \
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CXX="${CXX_for_gdb}" \
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LD="${LD_for_gdb}" \
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${CONFIG_SHELL} \
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"${gdb_src_dir}/configure" \
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--build=${CT_BUILD} \
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--host=${CT_HOST} \
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--target=${CT_TARGET} \
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--prefix="${CT_PREFIX_DIR}" \
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--with-build-sysroot="${CT_SYSROOT_DIR}" \
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--with-sysroot="${CT_SYSROOT_DIR}" \
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--disable-werror \
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"${cross_extra_config[@]}" \
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"${CT_GDB_CROSS_EXTRA_CONFIG_ARRAY[@]}"
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CT_DoLog EXTRA "Building cross-gdb"
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CT_DoExecLog ALL make ${JOBSFLAGS}
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CT_DoLog EXTRA "Installing cross-gdb"
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CT_DoExecLog ALL make install
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if [ "${CT_BUILD_MANUALS}" = "y" ]; then
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CT_DoLog EXTRA "Building and installing the cross-GDB manuals"
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CT_DoExecLog ALL make ${JOBSFLAGS} pdf html
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CT_DoExecLog ALL make install-{pdf,html}-gdb
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fi
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if [ "${CT_GDB_INSTALL_GDBINIT}" = "y" ]; then
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CT_DoLog EXTRA "Installing '.gdbinit' template"
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# See in scripts/build/internals.sh for why we do this
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# TBD GCC 3.x and older not supported
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if [ -f "${CT_SRC_DIR}/gcc/gcc/BASE-VER" ]; then
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gcc_version=$( cat "${CT_SRC_DIR}/gcc/gcc/BASE-VER" )
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else
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gcc_version=$(sed -r -e '/version_string/!d; s/^.+= "([^"]+)".*$/\1/;' \
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"${CT_SRC_DIR}/gcc/gcc/version.c" \
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)
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fi
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sed -r \
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-e "s:@@PREFIX@@:${CT_PREFIX_DIR}:;" \
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-e "s:@@VERSION@@:${gcc_version}:;" \
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"${CT_LIB_DIR}/scripts/build/debug/gdbinit.in" \
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>"${CT_PREFIX_DIR}/share/gdb/gdbinit"
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fi # Install gdbinit sample
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CT_EndStep
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fi
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# TBD combine GDB native and gdbserver backends, build either or both in a single pass.
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if [ "${CT_GDB_NATIVE}" = "y" ]; then
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local -a native_extra_config
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CT_DoStep INFO "Installing native gdb"
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native_extra_config=("${extra_config[@]}")
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# We may not have C++ language configured for target
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if [ "${GDB_TARGET_DISABLE_CXX_BUILD}" = "y" ]; then
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native_extra_config+=("--disable-build-with-cxx")
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fi
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# GDB on Mingw depends on PDcurses, not ncurses
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if [ "${CT_MINGW32}" != "y" ]; then
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native_extra_config+=("--with-curses")
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fi
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# Build a native gdbserver later if required.
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# Newer versions enable it automatically for a native target by default.
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native_extra_config+=("--enable-gdbserver=no")
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# Target libexpat resides in sysroot and does not have
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# any dependencies, so just passing '-lexpat' to gcc is enough.
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#
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# By default gdb configure looks for expat in '$prefix/lib'
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# directory. In our case '$prefix/lib' resolves to '/usr/lib'
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# where libexpat for build platform lives, which is
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# unacceptable for cross-compiling.
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#
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# To prevent this '--without-libexpat-prefix' flag must be passed.
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# Thus configure falls back to '-lexpat', which is exactly what we want.
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#
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# NOTE: DO NOT USE --with-libexpat-prefix (until GDB configure is smarter)!!!
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# It conflicts with a static build: GDB's configure script will find the shared
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# version of expat and will attempt to link that, despite the -static flag.
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# The link will fail, and configure will abort with "expat missing or unusable"
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# message.
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native_extra_config+=("--with-expat")
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native_extra_config+=("--without-libexpat-prefix")
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CT_DoLog EXTRA "Configuring native gdb"
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mkdir -p "${CT_BUILD_DIR}/build-gdb-native"
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cd "${CT_BUILD_DIR}/build-gdb-native"
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case "${CT_THREADS}" in
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none) native_extra_config+=("--disable-threads");;
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*) native_extra_config+=("--enable-threads");;
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esac
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[ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && \
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native_extra_config+=("--disable-nls")
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CPP_for_gdb="${CT_TARGET}-cpp ${CT_TARGET_CFLAGS}"
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CC_for_gdb="${CT_TARGET}-${CT_CC} ${CT_TARGET_CFLAGS} ${CT_TARGET_LDFLAGS}"
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CXX_for_gdb="${CT_TARGET}-g++ ${CT_TARGET_CFLAGS} ${CT_TARGET_LDFLAGS}"
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LD_for_gdb="${CT_TARGET}-ld ${CT_TARGET_LDFLAGS}"
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if [ "${CT_GDB_NATIVE_STATIC}" = "y" ]; then
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CC_for_gdb+=" -static"
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CXX_for_gdb+=" -static"
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LD_for_gdb+=" -static"
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fi
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CPP_for_gdb=`echo $CPP_for_gdb`
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CC_for_gdb=`echo $CC_for_gdb`
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CXX_for_gdb=`echo $CXX_for_gdb`
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LD_for_gdb=`echo $LD_for_gdb`
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export ac_cv_func_strncmp_works=yes
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# Disable binutils options when building from the binutils-gdb repo.
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native_extra_config+=("--disable-binutils")
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native_extra_config+=("--disable-ld")
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native_extra_config+=("--disable-gas")
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CT_DoLog DEBUG "Extra config passed: '${native_extra_config[*]}'"
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CT_DoExecLog CFG \
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CC_FOR_BUILD="${CT_BUILD}-gcc" \
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CFLAGS_FOR_BUILD="${CT_CFLAGS_FOR_BUILD}" \
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LDFLAGS_FOR_BUILD="${CT_LDFLAGS_FOR_BUILD}" \
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CPP="${CPP_for_gdb}" \
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CC="${CC_for_gdb}" \
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CXX="${CXX_for_gdb}" \
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LD="${LD_for_gdb}" \
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${CONFIG_SHELL} \
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"${gdb_src_dir}/configure" \
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--build=${CT_BUILD} \
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--host=${CT_TARGET} \
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--target=${CT_TARGET} \
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--prefix=/usr \
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--with-build-sysroot="${CT_SYSROOT_DIR}" \
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--without-uiout \
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--disable-tui \
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--disable-gdbtk \
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--without-x \
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--disable-sim \
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--disable-werror \
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--without-included-gettext \
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--without-develop \
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"${native_extra_config[@]}"
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CT_DoLog EXTRA "Building native gdb"
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CT_DoExecLog ALL make ${JOBSFLAGS}
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CT_DoLog EXTRA "Installing native gdb"
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CT_DoExecLog ALL make DESTDIR="${CT_DEBUGROOT_DIR}" install
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# Building a native gdb also builds a gdbserver
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find "${CT_DEBUGROOT_DIR}" -type f -name gdbserver -exec rm -fv {} \; 2>&1 |CT_DoLog ALL
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unset ac_cv_func_strncmp_works
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CT_EndStep # native gdb build
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fi
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if [ "${CT_GDB_GDBSERVER}" = "y" ]; then
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local -a gdbserver_extra_config
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local gdbserver_LDFLAGS
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CT_DoStep INFO "Installing gdbserver"
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CT_DoLog EXTRA "Configuring gdbserver"
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mkdir -p "${CT_BUILD_DIR}/build-gdb-gdbserver"
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cd "${CT_BUILD_DIR}/build-gdb-gdbserver"
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# Workaround for bad versions, where the configure
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# script for gdbserver is not executable...
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# Bah, GNU folks strike again... :-(
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chmod +x "${gdb_src_dir}/gdb/gdbserver/configure"
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gdbserver_LDFLAGS=
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if [ "${CT_GDB_GDBSERVER_STATIC}" = "y" ]; then
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gdbserver_LDFLAGS=-static
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fi
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if [ "${CT_GDB_GDBSERVER_STATIC_LIBSTDCXX}" = "y" ]; then
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gdbserver_LDFLAGS+=" -static-libstdc++"
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fi
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gdbserver_extra_config=("${extra_config[@]}")
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# We may not have C++ language configured for target
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if [ "${GDB_TARGET_DISABLE_CXX_BUILD}" = "y" ]; then
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gdbserver_extra_config+=("--disable-build-with-cxx")
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fi
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if [ "${CT_GDB_GDBSERVER_HAS_IPA_LIB}" = "y" ]; then
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if [ "${CT_GDB_GDBSERVER_BUILD_IPA_LIB}" = "y" ]; then
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gdbserver_extra_config+=( --enable-inprocess-agent )
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else
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gdbserver_extra_config+=( --disable-inprocess-agent )
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fi
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fi
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# Disable binutils options when building from the binutils-gdb repo.
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gdbserver_extra_config+=("--disable-binutils")
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gdbserver_extra_config+=("--disable-ld")
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gdbserver_extra_config+=("--disable-gas")
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CPP_for_gdb="${CT_TARGET}-cpp ${CT_TARGET_CFLAGS}"
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CC_for_gdb="${CT_TARGET}-${CT_CC} ${CT_TARGET_CFLAGS} ${CT_TARGET_LDFLAGS}"
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CXX_for_gdb="${CT_TARGET}-g++ ${CT_TARGET_CFLAGS} ${CT_TARGET_LDFLAGS}"
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LD_for_gdb="${CT_TARGET}-ld ${CT_TARGET_LDFLAGS}"
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CPP_for_gdb=`echo $CPP_for_gdb`
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CC_for_gdb=`echo $CC_for_gdb`
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CXX_for_gdb=`echo $CXX_for_gdb`
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LD_for_gdb=`echo $LD_for_gdb`
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CT_DoExecLog CFG \
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CC_FOR_BUILD="${CT_BUILD}-gcc" \
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CFLAGS_FOR_BUILD="${CT_CFLAGS_FOR_BUILD}" \
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LDFLAGS_FOR_BUILD="${CT_LDFLAGS_FOR_BUILD}" \
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CPP="${CPP_for_gdb}" \
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CC="${CC_for_gdb}" \
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CXX="${CXX_for_gdb}" \
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LD="${LD_for_gdb}" \
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LDFLAGS="${gdbserver_LDFLAGS}" \
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${CONFIG_SHELL} \
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"${gdb_src_dir}/gdb/gdbserver/configure" \
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--build=${CT_BUILD} \
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--host=${CT_TARGET} \
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--target=${CT_TARGET} \
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--prefix=/usr \
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--sysconfdir=/etc \
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--localstatedir=/var \
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--includedir="${CT_HEADERS_DIR}" \
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--with-build-sysroot="${CT_SYSROOT_DIR}" \
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--program-prefix= \
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--without-uiout \
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--disable-tui \
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--disable-gdbtk \
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--without-x \
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--without-included-gettext \
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--without-develop \
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--disable-werror \
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"${gdbserver_extra_config[@]}"
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CT_DoLog EXTRA "Building gdbserver"
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CT_DoExecLog ALL make ${JOBSFLAGS} CC=${CT_TARGET}-${CT_CC}
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CT_DoLog EXTRA "Installing gdbserver"
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CT_DoExecLog ALL make DESTDIR="${CT_DEBUGROOT_DIR}" install
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CT_EndStep
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fi
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}
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