crosstool-ng/config/debug/gdb.in.cross
Yann E. MORIN" b5225e3ff2 debug/cross-gdb: check host dependencies
Cross-gdb depends on expat and python. If either is missing, cross-gdb will
build successfully, but lacking some features.

Especially, if expat is missing, cross-gdb will be unable to parse the target
description, which may lead to runtime malfunctions and the following GDB
warning:
"Can not parse XML target description; XML support was disabled at compile time"

Hence, expat should be considered mandatory.

On the other hand, the features missing without python are not critical, so
python should not be considered mandatory.

This patch does the following:
 - At configure time, warn the user if either expat or python is missing.
 - In menuconfig, disable the static build options regarding cross-gdb if no
   static version of expat is available, and disable cross-gdb if expat is
   missing.

Signed-off-by: "Benoît THÉBAUDEAU" <benoit.thebaudeau@advansee.com>
[yann.morin.1998@anciens.enib.fr: add comment for impossible static cross-gdb]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
2011-06-08 15:47:43 +02:00

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# Menu for the cross GDB
config STATIC_TOOLCHAIN
select GDB_CROSS_STATIC if GDB_CROSS
comment "Cross-gdb - disabled (requires expat; re-run ./configure to enable)"
depends on !CONFIGURE_has_expat
comment "Static cross-gdb - disabled (requires static expat; re-run ./configure to enable)"
depends on STATIC_TOOLCHAIN && !CONFIGURE_has_static_expat
config GDB_CROSS
bool
prompt "Cross-gdb"
default y
depends on CONFIGURE_has_expat
depends on !STATIC_TOOLCHAIN || CONFIGURE_has_static_expat
select GDB_GDBSERVER if ! BARE_METAL
help
Build and install a cross-gdb for the target, to run on host.
if GDB_CROSS
config GDB_CROSS_STATIC
bool
prompt "Build a static cross gdb"
depends on CONFIGURE_has_static_expat
help
A static cross gdb can be usefull if you debug on a machine that is
not the one that is used to compile the toolchain.
That way, you can share the cross-gdb without installing a toolchain
on every machine that will be used to debug target programs.
endif # GDB_CROSS