configure.ac: fix HAVE_SYNC_FILE_RANGE definition
If sync_file_range is not available when building the configure script, there is a cosmetic bug when running that script reporting "HAVE_SYNC_FILE_RANGE: command not found". Remove that error message by defining HAVE_SYNC_FILE_RANGE to an empty string, rather than generating a script where that appears as a bare command. Signed-off-by: Adam Dinwoodie <adam@dinwoodie.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -1087,7 +1087,7 @@ GIT_CONF_SUBST([HAVE_CLOCK_MONOTONIC])
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# Define HAVE_SYNC_FILE_RANGE=YesPlease if sync_file_range is available.
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GIT_CHECK_FUNC(sync_file_range,
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[HAVE_SYNC_FILE_RANGE=YesPlease],
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[HAVE_SYNC_FILE_RANGE])
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[HAVE_SYNC_FILE_RANGE=])
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GIT_CONF_SUBST([HAVE_SYNC_FILE_RANGE])
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#
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