libtool upgrade to 2.4.6 - 2/n: support macOS 11 http://git.savannah.gnu.org/gitweb/?p=libtool.git;a=commitdiff;h=9e8c882517082fe5755f2524d23efb02f1522490 http://git.savannah.gnu.org/gitweb/?p=libtool.git;a=commitdiff;h=8f4bdbda0a0c85cf6375a4c7546b83eb3fb596d3 https://debbugs.gnu.org/cgi/bugreport.cgi?bug=44605 https://debbugs.gnu.org/cgi/bugreport.cgi?bug=44684
diff --git a/acinclude/libtool.m4 b/acinclude/libtool.m4
index a3bc337..0cec55c 100644
--- a/acinclude/libtool.m4
+++ b/acinclude/libtool.m4
@@ -1067,17 +1067,12 @@ _LT_EOF
_lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;;
darwin1.*)
_lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
- darwin*) # darwin 5.x on
- # if running on 10.5 or later, the deployment target defaults
- # to the OS version, if on x86, and 10.4, the deployment
- # target defaults to 10.4. Don't you love it?
- case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
- 10.0,*86*-darwin8*|10.0,*-darwin[[91]]*)
- _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
- 10.[[012]][[,.]]*)
- _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
- 10.*)
- _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
+ darwin*)
+ case ${MACOSX_DEPLOYMENT_TARGET},$host in
+ 10.[[012]],*|,*powerpc*-darwin[[5-8]]*)
+ _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
+ *)
+ _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
esac
;;
esac