diff options
| author | Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> | 2011-04-07 19:02:56 +0200 |
|---|---|---|
| committer | Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> | 2011-04-07 19:02:56 +0200 |
| commit | bc35f9a9349284b5ed1637cc0bb72259592af5d3 (patch) | |
| tree | 7c45cc78e61e2251d30989508028e880ea96249e /docs | |
| parent | bdf0b26e197fcdb7d33ee5ca5bb6920ce04ce5ea (diff) | |
| download | crosstool-ng-bc35f9a9349284b5ed1637cc0bb72259592af5d3.tar.gz crosstool-ng-bc35f9a9349284b5ed1637cc0bb72259592af5d3.tar.bz2 crosstool-ng-bc35f9a9349284b5ed1637cc0bb72259592af5d3.zip | |
docs: add known issue about missing forced unwind support
This has been reported many times, and has become a FAQ.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/B - Known issues.txt | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/docs/B - Known issues.txt b/docs/B - Known issues.txt index e09d3f5b..5b8824b1 100644 --- a/docs/B - Known issues.txt +++ b/docs/B - Known issues.txt @@ -146,3 +146,20 @@ Workaround: labelled "Use sjlj for exceptions". -------------------------------- +Symptoms: + Installing the C library headers and start files fails because of + missing unwind support, with a message like: + configure: error: forced unwind support is required + +Explanations: + The issue seems to be related to building NPTL on old versions + of glibc (and possibly eglibc as well) on some architectures + (seen on powerpc, s390, s390x and x86_64). + +Fix: + None so far. It would require some glibc hacking. + +Workaround: + Try setting "Force unwind support" in the "C-library" menu. + +-------------------------------- |