(_AS_BOURNE_COMPATIBLE): Set BIN_SH, for Tru64.

diff --git a/lib/m4sugar/m4sh.m4 b/lib/m4sugar/m4sh.m4
index f1ed26c40628b33b74ec77008cc1ff6fe9a2359d..76cb9aa036701949d4d885fbdddcfa2fdea7bef5 100644 (file)
--- a/lib/m4sugar/m4sh.m4
+++ b/lib/m4sugar/m4sh.m4
@@ -165,6 +165,7 @@ if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
 elif test -n "${BASH_VERSION+set}${KSH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
   set -o posix
 fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
 DUALCASE=1; export DUALCASE # for MKS sh
 ])