17 lines
536 B
Plaintext
17 lines
536 B
Plaintext
dnl #
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dnl # Set the flags used for sed in-place edits.
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dnl #
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AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_SED], [
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AC_REQUIRE([AC_PROG_SED])dnl
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AC_CACHE_CHECK([for sed --in-place], [ac_cv_inplace], [
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tmpfile=$(mktemp conftest.XXX)
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echo foo >$tmpfile
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AS_IF([$SED --in-place 's#foo#bar#' $tmpfile 2>/dev/null],
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[ac_cv_inplace="--in-place"],
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[$SED -i '' 's#foo#bar#' $tmpfile 2>/dev/null],
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[ac_cv_inplace="-i ''"],
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[AC_MSG_ERROR([$SED does not support in-place])])
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])
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AC_SUBST([ac_inplace], [$ac_cv_inplace])
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])
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