Sam James <s...@gentoo.org> writes: > Sam James <s...@gentoo.org> writes: > >> libtool defaults to filtering flags passed at link-time. >> >> This brings the filtering in GCC's 'fork' of libtool into sync with >> upstream libtool commit 22a7e547e9857fc94fe5bc7c921d9a4b49c09f8e. >> >> In particular, this now allows some harmless diagnostic flags (especially >> useful for things like -Werror=odr), more optimization flags, and some >> Clang-specific options. >> >> GCC's -flto documentation mentions: >>> To use the link-time optimizer, -flto and optimization options should be >>> specified at compile time and during the final link. It is recommended >>> that you compile all the files participating in the same link with the >>> same options and also specify those options at link time. >> >> This allows compliance with that. >> >> * ltmain.sh (func_mode_link): Allow various flags through filter. >> --- >> We have been using this for a while now downstream. >> >> H.J., please take a look. >> >> I think this also explains >> https://src.fedoraproject.org/rpms/binutils/blob/rawhide/f/binutils.spec#_947. >> >> ltmain.sh | 46 ++++++++++++++++++++++++++++++++++------------ >> 1 file changed, 34 insertions(+), 12 deletions(-) > > Ping. The change should be harmless given the flags should be filtered > out earlier if anything is wrong, and we've been using it internally for > quite some time (i.e. it doesn't *add* the flags, just means that _if > they arrive_ at libtool, they're not dropped at link-time). >
Ping. > [...]
