To prep for powerpc64le, we also disable gdb prior to 7.7.1 on
powerpc64le.
The default gdb on powerpc64le is set to 7.7.
Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
For some reason, we were keeping gdb version 6.6a specially for
Blackfin. However, it turns out that support for Blackfin was merged
in gdb 7.4 (cross-gdb and gdbserver, not native gdb on the
target). Therefore, we can simply remove the support for version 6.6a
and use 7.5 as the default.
Both 7.4 and 7.5 were built tested, including cross-gdb and gdbserver.
The original reason to switch to 7.x is that 6.6a doesn't build for
Blackfin FLAT, and while it builds for Blackfin FDPIC, it only builds
libiberty.a and does not actually build a cross debugger.
Fixes:
http://autobuild.buildroot.org/results/b47/b47f85553336b7f63ee4ecdf8598374ce4a225a3/
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
The build of host-gdb 7.4 fails due to some texinfo issue. To avoid
that, use the same trick as is used for the target variant of gdb:
tell gdb that makeinfo is missing.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Two fixes for xtensa are still applicable to gdb-7.5.1, which is now the
default; copy them from 7.4.1. This fixes native gdb build for xtensa.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit slightly improves the external toolchain backend, and the
gdb build logic to create a file named
$(STAGING_DIR)/usr/share/buildroot/gdbinit which can be used as a
gdbinit file using gdb -x option. This allows gdb to automatically use
the proper sysroot to find libraries.
The initial insight for this patch comes from the report of Oded
Hanson <OHanson@xsightsys.com>, who found an issue with the Eclipse
Buildroot plugin, which was setting a solib-path in gdb, but not a
sysroot. Setting a solib-path was enough to find shared libraries, but
not the dynamic linker. And since Eclipse doesn't allow to set the
sysroot in any other way than giving a gdbinit file, it makes sense to
have Buildroot generate a gdbinit file (which can be used in other
situations than Eclipse).
To achieve this, this commit introduces a gen_gdbinit_file helper in
toolchain/helpers.mk, and uses it for the internal toolchain and
external toolchain backends.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
[ThomasDS: minor updates in commit message]
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Fixes http://autobuild.buildroot.net/results/858/8580840f6e41f198d2cfc0609e14765dbc2e7322/
kconfig uses the first 'default ... if' line that matches, so ensure the
arch specific ones come before the generic 7.5.1 default, otherwise
arc/microblaze ends up with 7.5.1 instead of their custom version.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Gdb versions 7.2.x and 7.3.x have been deprecated since 2013.02 and thus can
be removed in 2014.02.
For legacy handling, version 7.5.x is automatically selected.
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This avoids duplication of the version selection between these two files.
Cc: Spenser Gilliland <spenser@gillilanding.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
In order to keep better track of when a feature got deprecated, and hence
when it can be removed, a new set of symbols BR2_DEPRECATED_SINCE_xxxx_xx is
introduced. These symbols are automatically selected when BR2_DEPRECATED is
selected, and thus are transparent to the user.
A deprecated feature will no longer depend on BR2_DEPRECATED directly, but
rather on the appropriate BR2_DEPRECATED_SINCE_xxxx_xx. If that symbol does
not yet exist, it has to be created in Config.in.
When removing a deprecated feature, one should also check whether this was
the last feature using the BR2_DEPRECATED_SINCE_xxxx_xx symbol, in which
case the latter can be removed from Config.in.
A followup patch will make sure the overview is added to the list of
deprecated features in the manual, so that a buildroot core developer can
easily determine which features to remove in a given development cycle.
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Just like for binutils, gdb versions pulled from Git want to
regenerate their documentation, and none of the MAKEINFO tricks we've
tried worked properly, so we're simply adding host-texinfo as a
dependency.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
When a package A depends on config option B and toolchain option C, then
the comment that is given when C is not fulfilled should also depend on B.
For example:
config BR2_PACKAGE_A
depends on BR2_B
depends on BR2_LARGEFILE
depends on BR2_WCHAR
comment "A needs a toolchain w/ largefile, wchar"
depends on !BR2_LARGEFILE || !BR2_WCHAR
This comment should actually be:
comment "A needs a toolchain w/ largefile, wchar"
depends on BR2_B
depends on !BR2_LARGEFILE || !BR2_WCHAR
or if possible (typically when B is a package config option declared in that
same Config.in file):
if BR2_B
comment "A needs a toolchain w/ largefile, wchar"
depends on !BR2_LARGEFILE || !BR2_WCHAR
[other config options depending on B]
endif
Otherwise, the comment would be visible even though the other dependencies
are not met.
This patch adds such missing dependencies, and changes existing such
dependencies from
depends on BR2_BASE_DEP && !BR2_TOOLCHAIN_USES_GLIBC
to
depends on BR2_BASE_DEP
depends on !BR2_TOOLCHAIN_USES_GLIBC
so that (positive) base dependencies are separate from the (negative)
toolchain dependencies. This strategy makes it easier to write such comments
(because one can simply copy the base dependency from the actual package
config option), but also avoids complex and long boolean expressions.
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
(untested)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This patch lines up the comments in Config.in files that clarify which
toolchain options the package depends on.
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
When a Xtensa specific patch needs to be applied, it should be applied
both when doing the target and the host build.
This change is part of the effort to remove the differences between
host and target post-extract and post-patch hooks, that are
problematic for the out-of-tree support.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
The mainline gdb does not yet have AArch64 support at all, so let's
disable it for this platform. The external toolchain provided by
Linaro has gdbserver + cross-gdb, so it already provides what's
necessary to do some debugging.
Fixes
http://autobuild.buildroot.org/results/c330eb75bd2d3e2f002e7a362dd5b08c4fc7fafc/build-end.log.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Until now, the gdb site for AVR32 was adjusted only when GDB_VERSION
was not set, i.e only when the cross-gdb is *not* built. We should in
fact also set the site when the cross-gdb is built, so when
GDB_VERSION is defined through package/gdb/Config.in.host.
So, instead, we now have something like:
ifeq ($(GDB_VERSION),)
# we define here a default version that is used when the cross-gdb is
# not built and only the target gdb is selected.
endif
ifeq ($(GDB_VERSION),something-special)
GDB_SITE = some-special-site-for-some-special-gdb-version
endif
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
In order for a Buildroot toolchain to be usable as an external
toolchain, we should copy the target gdbserver somewhere into
$(HOST_DIR). In order to match what Crosstool-NG does (and therefore
to match something the external toolchain logic already understands),
we install gdbserver in
$(HOST_DIR)/usr/<tuple>/debug-root/usr/bin/gdbserver.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
When an external toolchain is used, and the user has chosen to copy
the external toolchain gdbserver to the target, then we should allow
the user to build a gdbserver and/or a cross-gdb: the ones of the
external toolchain should be used.
The reasoning is that one must use a gdbserver and cross-gdb of
identical versions to be sure that debugging will work properly.
Change suggested by Yann E. Morin.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit converts gdb to the package infrastructure, and therefore
moves it from toolchain/gdb to package/gdb.
The target package is now visible in "Package selection for the
target" => "Debugging, profiling and benchmark". The main option,
"gdb", forcefully selects the "gdbserver" sub-option by
default. Another sub-option, "full debugger" allows to install the
complete gdb on the target. When this option is enabled, then
"gdbserver" is no longer forcefully selected. This ensures that at
least gdbserver or the full debugger gets built/installed, so that the
package is not a no-op.
The host debugger is still enabled through a configuration option in
"Toolchain". It is now visible regardless of the toolchain type (it
used to be hidden for External Toolchains). The configuration options
relative to the host debugger are now in package/gdb/Config.in.host,
similar to how we have package/binutils/Config.in.host.
Since gdb is now a proper package, it is no longer allowed to 'select
BR2_PTHREADS_DEBUG' to ensure thread debugging is available when
needed. Instead, it now 'depends on
BR2_TOOLCHAIN_HAS_THREADS_DEBUG'. This option, in turn, is selected by
the different toolchain backends when appropriate. The
'BR2_TOOLCHAIN_HAS_THREADS_DEBUG_IF_NEEDED' option is removed, since
we no longer need to know when it is allowed to 'select
BR2_PTHREADS_DEBUG'. Also, the 'BR2_PTHREADS_DEBUG' option is moved to
appear right below the thread implementation selection (in the case of
the Buildroot toolchain backend).
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
