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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 38ab4bd586..09d9f720b6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4144,7 +4144,7 @@ guard=INCLUDE_RUBY_CONFIG_H
} | tr -d '\015' |
(
AS_IF([test "x$CONFIGURE_TTY" = xyes], [color=--color], [color=])
- exec ${tooldir}/ifchange $color "${config_h}" -
+ exec ${SHELL} ${tooldir}/ifchange $color "${config_h}" -
) >&AS_MESSAGE_FD || AC_MSG_ERROR([failed to create ${config_h}])
tr -d '\015' < largefile.h > confdefs.h
rm largefile.h