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CONFIGURE: Update DWARF version comment after Discord feedback

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This commit is contained in:
Torbjörn Andersson 2023-10-15 07:39:34 +02:00
parent c57bc10806
commit f29c7103d9
1 changed files with 5 additions and 5 deletions

10
configure vendored

@ -2456,11 +2456,11 @@ if test "$_debug_build" != no; then
echo "int main() { return 0; }" > $TMPC
# HACK: The default DWARF version "for most targets" is 5. However, that
# causes a segfault on at least some Linux distributions. Related
# to https://sourceware.org/bugzilla/show_bug.cgi?id=15447
# perhaps? That bug report suggests using DWARF version 4, so
# let's do that for now, because it seems to work.
# HACK: The default DWARF version "for most targets" is 5. However,
# that version causes dwp to segfault. According to
# https://sourceware.org/bugzilla/show_bug.cgi?id=26219 it just
# isn't implemented, and there's no fix in sight. So we force
# DWARF version 4 and hope that works for, well... "most targets".
if `which $_dwp >/dev/null 2>&1` && cc_check_no_clean $debug_mode -gsplit-dwarf -gdwarf-4 && `$_dwp -e $TMPO -o /dev/null >/dev/null 2>&1`; then
append_var CXXFLAGS "-gsplit-dwarf -gdwarf-4"