diff options
Diffstat (limited to 'configure')
-rwxr-xr-x | configure | 10 |
1 files changed, 6 insertions, 4 deletions
@@ -590,10 +590,12 @@ tryldflag LDFLAGS_AUTO -Wl,--no-undefined # versions built without shared library support and pcc are broken. tryldflag LDFLAGS_AUTO -Wl,--exclude-libs=ALL -# Linking with -Bsymbolic-functions is no longer mandatory for -# the dynamic linker to work, but enable it if it works as -# a linking optimization. -tryldflag LDFLAGS_AUTO -Wl,-Bsymbolic-functions +# Public data symbols must be interposable to allow for copy +# relocations, but otherwise we want to bind symbols at libc link +# time to eliminate startup relocations and PLT overhead. Use +# --dynamic-list rather than -Bsymbolic-functions for greater +# control over what symbols are left unbound. +tryldflag LDFLAGS_AUTO -Wl,--dynamic-list="$srcdir/dynamic.list" # Find compiler runtime library test -z "$LIBCC" && tryldflag LIBCC -lgcc && tryldflag LIBCC -lgcc_eh |