path: root/configure
diff options
Diffstat (limited to 'configure')
1 files changed, 6 insertions, 4 deletions
diff --git a/configure b/configure
index 1e59c461..09a0c436 100755
--- a/configure
+++ b/configure
@@ -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