----- Mensaje original ----- > On Mon, Mar 11, 2013 at 01:24:34PM +0100, Marc-André Lureau wrote: > > On Mon, Mar 11, 2013 at 10:16 AM, Christophe Fergeau > > <cferg...@redhat.com> wrote: > > > AC_ARG_ENABLE 3rd argument is what to do when the argument is > > > specified and the 4th arg is what to do when the argument is > > > not specified. Using [enable_generator=true] as the 3rd argument > > > is wrong as this would enable the generator when using > > > --disable-generator. > > > > That doesn't seem to be the case, but anyway I prefer the simpler > > version: > > > > AC_ARG_ENABLE([foo], > > AS_HELP_STRING([--disable-foo], [Disable feature foo])) > > > > AS_IF([test "x$enable_foo" != "xno"], [ > > dnl Do the stuff needed for enabling the feature > > ]) > > This wouldn't quite work in this case, first the generator build is > disabled by default, so documenting --disable-foo is not what we > want. > Second, the AS_IF is not correct either, we need to call > AM_CONDITIONAL in > all cases, not only when we want to enable the feature.
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