diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/configure b/configure index f23c40f99d..09a06377d7 100755 --- a/configure +++ b/configure @@ -7696,6 +7696,13 @@ libc_undefs=`$NM -u conftest.o | as_fn_error $? "confusing output from $NM -u" "$LINENO" 5 } echo >&5 "libc_undefs='$libc_undefs'" +# On some architectures, there are architecture-specific undefined +# symbols (resolved by the linker), so filter out unknown symbols. +# This will fail to produce the correct result if the compiler +# defaults to -fstack-protector but this produces an undefined symbol +# other than __stack_chk_fail. However, compilers like that have not +# been encountered in practice. +libc_undefs=`echo "$libc_undefs" | egrep '^(foobar|__stack_chk_fail)$'` case "$libc_undefs" in foobar) libc_cv_predef_stack_protector=no ;; '__stack_chk_fail |