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Mark static gdb/gdbserver EXPERIMENTAL

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... and default to 'n'.

Signed-off-by: Alexey Neyman <stilor@att.net>
This commit is contained in:
Alexey Neyman 2017-03-15 01:22:19 -07:00
parent 75d968ad54
commit 061765ced6
2 changed files with 33 additions and 3 deletions
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19
config/debug/gdb.in.gdbserver
View File

@ -15,15 +15,30 @@ config GDB_GDBSERVER_HAS_IPA_LIB
depends on GDB_7_2_or_later
default y
# gdbserver is then linked with "-static -Wl,--dynamic-list=..." which
config GDB_GDBSERVER_STATIC
bool
prompt "Build a static gdbserver"
depends on CONFIGURE_has_static_link
default y
depends on EXPERIMENTAL
help
In case you have trouble with dynamic loading of shared libraries,
you will find that a static gdbserver comes in handy.
However, it has been noticed at least on x86 that enabling this
option produces an invalid gdbserver binary. It is linked with
"-static -Wl,--dynamic-list=..." which
# (a) requests invalid program interpreter
# (b) crashes glibc/uClibc-ng and does not work with musl
# See https://sourceware.org/ml/libc-alpha/2017-03/msg00267.html
It is possible it would work with other architectures, hence it is
not completely removed. Use with care and report to the mailing list
if the resulting gdbserver works.
For further details, see:
https://sourceware.org/bugzilla/show_bug.cgi?id=19617
https://sourceware.org/bugzilla/show_bug.cgi?id=21086
config GDB_GDBSERVER_BUILD_IPA_LIB
bool
prompt "Build the IPA library"

17
config/debug/gdb.in.native
View File

@ -15,9 +15,24 @@ if GDB_NATIVE
config GDB_NATIVE_STATIC
bool
prompt "Build a static native gdb"
depends on CONFIGURE_has_static_link
depends on EXPERIMENTAL
help
In case you have trouble with dynamic loading of shared libraries,
you will find that a static gdb comes in handy.
However, it has been noticed at least on x86 that enabling this
option produces an invalid gdb binary. It is linked with
"-static -Wl,--dynamic-list=..." which
# (a) requests invalid program interpreter
# (b) crashes glibc/uClibc-ng and does not work with musl
# See https://sourceware.org/ml/libc-alpha/2017-03/msg00267.html
It is possible it would work with other architectures, hence it is
not completely removed. Use with care and report to the mailing list
if the resulting gdbserver works.
For further details, see:
https://sourceware.org/bugzilla/show_bug.cgi?id=19617
https://sourceware.org/bugzilla/show_bug.cgi?id=21086
endif # GDB_NATIVE