[sr #110971] busybox mkdir is misdetected

[Zack Weinberg]

Follow-up Comment #2, sr #110971 (project autoconf):

Could you please test this patch (apply to autoconf git trunk)?

diff --git a/lib/autoconf/programs.m4 b/lib/autoconf/programs.m4
index d06d18c4..9ab71c38 100644
--- a/lib/autoconf/programs.m4
+++ b/lib/autoconf/programs.m4
@@ -698,7 +698,8 @@ if test -z "$MKDIR_P"; then
       [for ac_prog in mkdir gmkdir; do
         for ac_exec_ext in '' $ac_executable_extensions; do
           AS_EXECUTABLE_P(["$as_dir$ac_prog$ac_exec_ext"]) || continue
-          case `"$as_dir$ac_prog$ac_exec_ext" --version 2>&1` in #(
+          case `"$as_dir$ac_prog$ac_exec_ext" --version 2>&1 |
+                grep -v "unrecognized option"` in #(
             'mkdir ('*'coreutils) '* | \
             'BusyBox '* | \
             'mkdir (fileutils) '4.1*)




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