(_AS_DETECT_BETTER_SHELL): Consult $SHELL last, not first.

diff --git a/lib/m4sugar/m4sh.m4 b/lib/m4sugar/m4sh.m4
index 447b09c7d9ef27bd005ac8a3864b5255dcec702a..8877e3ec3c40556ebaa1816e53d7e3fee5553e82 100644 (file)
--- a/lib/m4sugar/m4sh.m4
+++ b/lib/m4sugar/m4sh.m4
@@ -215,7 +215,7 @@ if test "x$CONFIG_SHELL" = x; then
   AS_IF([test $as_have_required = yes && dnl
         _AS_RUN([_AS_DETECT_SUGGESTED_BODY]) 2> /dev/null],
     [],
-    [as_candidate_shells="$SHELL"
+    [as_candidate_shells=
     _AS_PATH_WALK([/bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH],
       [case $as_dir in
         /*)
@@ -224,7 +224,7 @@ if test "x$CONFIG_SHELL" = x; then
           done
        esac])
 
-      for as_shell in $as_candidate_shells; do
+      for as_shell in $as_candidate_shells ${SHELL-/bin/sh}; do
         AS_IF([_AS_RUN([_AS_DETECT_REQUIRED_BODY], [$as_shell 2> /dev/null])],
               [CONFIG_SHELL=$as_shell
               as_have_required=yes