mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-23 14:42:26 +00:00
A bunch of fixes/improvements to the gdb build:
- allow native builds (both shared and static) - fix enabling threads - better handle the gdbserver case - introduce the ncurses library to allow native builds - re-order config options adequately /trunk/scripts/build/debug/300-gdb.sh | 126 79 47 0 ++++++++++++++++++++++++++--------------- /trunk/config/debug/gdb.in | 45 33 12 0 +++++++++++---- 2 files changed, 112 insertions(+), 59 deletions(-)
This commit is contained in:
Yann E. MORIN"
parent
e66d06e8e3
commit
3950f8e87d
@ -13,38 +13,59 @@ config GDB_CROSS
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bool
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prompt "Cross-gdb"
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default y
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select GDB_GDBSERVER
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help
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Build and install a cross-gdb for the target, and to run on host.
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Build and install a cross-gdb for the target, to run on host.
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config GDB_CROSS_STATIC_GDB
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config GDB_CROSS_STATIC
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bool
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prompt "Build a static cross gdb"
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default n
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depends on GDB_CROSS
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help
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A static cross gdb can be usefull if you debug on a machine that is
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not the one that is used to compile.
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not the one that is used to compile the toolchain.
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config GDB_CROSS_STATIC_GDBSERVER
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That way, you can share the cross-gdb without installing a toolchain
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on every machine that will be used to debug target programs.
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config GDB_NATIVE
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bool
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prompt "Native gdb"
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default n
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select GDB_GDBSERVER
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help
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Build and install a native gdb for the target, to run on the target.
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config GDB_NATIVE_STATIC
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bool
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prompt "Build a static native gdb"
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default n
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depends on GDB_NATIVE
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help
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In case you have trouble with dynamic loading of shared libraries,
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you will find that a static gdb comes in handy.
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config GDB_GDBSERVER
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bool
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prompt "gdbserver"
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default n
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help
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Build and install a gdbserver for the target, to run on the target.
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config GDB_GDBSERVER_STATIC
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bool
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prompt "Build a static gdbserver"
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default n
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depends on GDB_CROSS
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depends on GDB_GDBSERVER
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help
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In case you have trouble with dynamic loading of shared libraries,
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you will find that a static gdbserver comes in handy.
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config GDB_NATIVE
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bool
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prompt "Native gdb (EXPERIMENTAL)"
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default n
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depends on EXPERIMENTAL
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help
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Build and install a native gdb for the target, to run on the target.
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choice
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bool
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prompt "gdb version"
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depends on GDB_CROSS || GDB_NATIVE || GDB_GDBSERVER
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config GDB_V_snapshot
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bool
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@ -118,6 +139,6 @@ config NCURSES_VERSION
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default "4.2" if NCURSES_V_4_2
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default "5.6" if NCURSES_V_5_6
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endif # ncurses
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endif # GDB_NATIVE --> ncurses
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endif
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@ -47,22 +47,29 @@ do_debug_gdb_build() {
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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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if [ "${CT_CC_GCC_GMP_MPFR}" = "y" ]; then
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extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}"
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fi
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case "${CT_THREADS}" in
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none) extra_config="${extra_config} --disable-threads";;
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*) extra_config="${extra_config} --enable-threads";;
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esac
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CC_for_gdb=
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LD_for_gdb=
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if [ "${CT_GDB_CROSS_STATIC_GDBSERVER}" = "y" ]; then
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if [ "${CT_GDB_CROSS_STATIC}" = "y" ]; then
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CC_for_gdb="gcc -static"
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LD_for_gdb="ld -static"
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fi
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CC="${CC_for_gdb}" \
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LD="${LD_forgdb}" \
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LD="${LD_for_gdb}" \
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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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--enable-threads \
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${extra_config} 2>&1 |CT_DoLog ALL
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CT_DoLog EXTRA "Building cross-gdb"
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@ -72,48 +79,6 @@ do_debug_gdb_build() {
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make install 2>&1 |CT_DoLog ALL
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CT_EndStep
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CT_DoStep INFO "Installing gdbserver"
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CT_DoLog EXTRA "Configuring gdbserver"
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mkdir -p "${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 [ "${CT_GDB_CROSS_STATIC_GDBSERVER}" = "y" ]; then
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gdbserver_LDFLAGS=-static
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fi
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LDFLAGS="${gdbserver_LDFLAGS}" \
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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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${extra_config} 2>&1 |CT_DoLog ALL
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CT_DoLog EXTRA "Building gdbserver"
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make ${PARALLELMFLAGS} CC=${CT_TARGET}-${CT_CC} 2>&1 |CT_DoLog ALL
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CT_DoLog EXTRA "Installing gdbserver"
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make DESTDIR="${CT_DEBUG_INSTALL_DIR}" install 2>&1 |CT_DoLog ALL
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CT_EndStep
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fi
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if [ "${CT_GDB_NATIVE}" = "y" ]; then
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@ -138,7 +103,6 @@ do_debug_gdb_build() {
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--without-sysmouse \
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--without-progs \
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--enable-termcap \
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--without-develop \
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${ncurses_opts} 2>&1 |CT_DoLog ALL
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CT_DoLog EXTRA "Building ncurses"
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@ -155,6 +119,22 @@ do_debug_gdb_build() {
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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 "${CT_THREADS}" in
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none) extra_config="${extra_config} --disable-threads";;
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*) extra_config="${extra_config} --enable-threads";;
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esac
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CC_for_gdb=
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LD_for_gdb=
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if [ "${CT_GDB_NATIVE_STATIC}" = "y" ]; then
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CC_for_gdb="${CT_TARGET}-gcc -static"
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LD_for_gdb="${CT_TARGET}-ld -static"
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fi
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export ac_cv_func_strncmp_works=yes
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CC="${CC_for_gdb}" \
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LD="${LD_for_gdb}" \
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"${gdb_src_dir}/configure" \
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--build=${CT_BUILD} \
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--host=${CT_TARGET} \
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@ -166,8 +146,9 @@ do_debug_gdb_build() {
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--disable-gdbtk \
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--without-x \
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--disable-sim \
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--disable-gdbserver \
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--disable-werror \
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--without-included-gettext \
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--without-develop \
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${extra_config} 2>&1 |CT_DoLog ALL
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CT_DoLog EXTRA "Building native gdb"
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@ -176,6 +157,57 @@ do_debug_gdb_build() {
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CT_DoLog EXTRA "Installing native gdb"
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make DESTDIR="${CT_DEBUG_INSTALL_DIR}" install 2>&1 |CT_DoLog ALL
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# Building a native gdb also builds a gdbserver
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CT_DoLog DEBUG "Removing spurious gdbserver"
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find "${CT_DEBUG_INSTALL_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
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fi
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if [ "${CT_GDB_GDBSERVER}" = "y" ]; then
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CT_DoStep INFO "Installing gdbserver"
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CT_DoLog EXTRA "Configuring gdbserver"
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mkdir -p "${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 [ "${CT_GDB_GDBSERVER_STATIC}" = "y" ]; then
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gdbserver_LDFLAGS=-static
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fi
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LDFLAGS="${gdbserver_LDFLAGS}" \
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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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${extra_config} 2>&1 |CT_DoLog ALL
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CT_DoLog EXTRA "Building gdbserver"
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make ${PARALLELMFLAGS} CC=${CT_TARGET}-${CT_CC} 2>&1 |CT_DoLog ALL
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CT_DoLog EXTRA "Installing gdbserver"
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make DESTDIR="${CT_DEBUG_INSTALL_DIR}" install 2>&1 |CT_DoLog ALL
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CT_EndStep
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fi
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}
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