There's simply one reason: "enforce" that /bootstrap is run before configure; and as usually, bootstrap creates configure from configure.* . Why * = "ac" and not "ag" or "in" -- well, bascially because there are {Mx,mel,burg}/configure.ac, not {Mx,mel,burg}/configure.ag or {Mx,mel,burg}/configure.in . Both, the top-level "bootstrap" & "configure[.ac]" are just wrappers that call the respective conifugre of Mx, mel, burg . Looking into configure.ac, you might have noticed that it is not "real" configure.ac at all. If the .ac is a problem for some script, feel free to remane it too something else (configure.bs (for "bootstrap", i.e., the "tool" that eventually creates configure)?), but I'd prefer (in fact recommend) to not call it confiure (without extension) as that could suggest that no bootstrap is required, which is not the case. Stefan On Tue, Dec 26, 2006 at 02:29:06PM +0100, Fabian Groffen wrote:
I'm trying to bootstrap buildtools but foud out that buildtools is shipped with an configure.ac which isn't an ac file, but just plain configure itself (as the local bootstrap script just copies it to configure). This is hard to detect for my generic scripts who like to generate a configure from the .ac file. Is there a reason why this ac file exists? If not, I'd be happier if it could just be renamed to configure instead, as I don't think this is the right solution.
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