https://sourceforge.net/tracker/?func=detail&aid=3175466&group_id=6389&atid=306389
https://bugs.gentoo.org/354051

--- a/configure
+++ b/configure
@@ -292,7 +292,7 @@
 # ---------------------------------------------------------------
 AC_MSG_CHECKING([link options])
 ZZIPLIB_LDFLAGS=""
-test ".$can_build_shared" != ".no" && ZZIPLIB_LDFLAGS="--export-dynamic"
+test ".$can_build_shared" != ".no" && ZZIPLIB_LDFLAGS="-export-dynamic"
 RESOLVES=" # "
 case "$host_os" in mingw*)
     ZZIPLIB_LDFLAGS="-no-undefined -export-all-symbols -mconsole"