On Mon, 22 Jan 2024 15:34:38 +0100 Tijl Coosemans <t...@coosemans.org> wrote: > Apply the fix for Linux from fb5e6cda96bd9dcae9e4f62ec8b6b3e572a32743 > to the non-Linux cases. > > -export-symbols was implemented using --retain-symbols-file. For > non-exported symbols this flag tries to remove symbol information > altogether which it can only do if a symbol isn't referenced > anywhere. So, often this flag doesn't do anything. With a version > script non-exported symbols can be marked local instead of removed. > > * m4/libtool.m4: Fix -export-symbols for GNU ld on non-Linux. > --- > m4/libtool.m4 | 35 ++++++++++++++++++++++++++++++----- > 1 file changed, 30 insertions(+), 5 deletions(-)
Note that --retain-symbols-file is also used in the non-GNU ld case and in the C++ case. This patch doesn't change those. If accepted, you may want to mention this in the NEWS file because this change may have a significant impact in some cases.
