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gdb: do not allow gdbserver/cross-gdb build in some cases

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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 is contained in:
Thomas Petazzoni 2013-04-07 00:04:34 +00:00 committed by Peter Korsgaard
parent a0b6faaab4
commit f6d0246506
2 changed files with 10 additions and 1 deletions
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7
package/gdb/Config.in
View File

@ -3,7 +3,11 @@ comment "gdb/gdbserver require a toolchain with thread and thread debug support"
config BR2_PACKAGE_GDB
bool "gdb"
select BR2_PACKAGE_GDB_SERVER if !BR2_PACKAGE_GDB_DEBUGGER
# When the external toolchain gdbserver is copied to the
# target, we don't allow building a separate gdbserver. The
# one from the external toolchain should be used.
select BR2_PACKAGE_GDB_SERVER if \
(!BR2_PACKAGE_GDB_DEBUGGER && !BR2_TOOLCHAIN_EXTERNAL_GDB_SERVER_COPY)
depends on BR2_TOOLCHAIN_HAS_THREADS && BR2_TOOLCHAIN_HAS_THREADS_DEBUG
help
GDB, the GNU Project debugger, allows you to see what is
@ -25,6 +29,7 @@ if BR2_PACKAGE_GDB
config BR2_PACKAGE_GDB_SERVER
bool "gdbserver"
depends on !BR2_TOOLCHAIN_EXTERNAL_GDB_SERVER_COPY
help
Build the gdbserver stub to run on the target.
A full gdb is needed to debug the progam.

4
package/gdb/Config.in.host
View File

@ -1,5 +1,9 @@
config BR2_PACKAGE_HOST_GDB
bool "Build cross gdb for the host"
# When the external toolchain gdbserver is used, we shouldn't
# allow to build a cross-gdb, as the one of the external
# toolchain should be used.
depends on !BR2_TOOLCHAIN_EXTERNAL_GDB_SERVER_COPY
help
Build a cross gdb that runs on the host machine and debugs
programs running on the target. It requires 'gdbserver'