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libc/glibc: change default of "forced unwind" to 'y'

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Virtually all our targets do support stack unwinding. For some of
them, ./configure can't detect that, and the build fails later on.

So, default to force unwind, and let the user disable it if it
breaks in his/her case.

The previous changeset (f44286235a07) was empty, as spotted by Benoît.

Reported-by: Benoît THÉBAUDEAU <benoit.thebaudeau@advansee.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
This commit is contained in:
Yann E. MORIN" 2011-08-21 22:14:39 +02:00
parent 307400f4ca
commit 7228cb0e1e
1 changed files with 3 additions and 1 deletions
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4
config/libc/glibc-eglibc.in-common
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@ -100,12 +100,14 @@ config LIBC_OLDEST_ABI
config LIBC_GLIBC_FORCE_UNWIND
bool
prompt "Force unwind support (READ HELP!)"
default y
help
If your toolchain fails building while building the C library
start files, or the complete C library, with a message like:
configure: error: forced unwind support is required
then you may try setting this to 'y'. Otherwise, leave it to 'n'.
then you may try chmaging this option. Otherwise, leave it to
the default 'y'.
The issue seems to be related to building NPTL on old versions
of glibc (and possibly eglibc as well) on some architectures