/[autoconf]/autoconf/doc/autoconf.texi
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revision 1.626 by eggert, Wed May 22 23:37:36 2002 UTC revision 1.627 by akim, Thu May 23 17:53:10 2002 UTC
# Line 12568  but generate code for GNU Hurd/sparc, wh Line 12568  but generate code for GNU Hurd/sparc, wh
12568    
12569  @sp 1  @sp 1
12570    
12571  In Autoconf, the variables @code{build}, @code{host}, and @code{target}  In Autoconf 2.13 and before, the variables @code{build}, @code{host},
12572  had a different semantics before and after the invocation of  and @code{target} had a different semantics before and after the
12573  @code{AC_CANONICAL_BUILD} etc.  Now, the argument of @option{--build} is  invocation of @code{AC_CANONICAL_BUILD} etc.  Now, the argument of
12574  strictly copied into @code{build_alias}, and is left empty otherwise.  @option{--build} is strictly copied into @code{build_alias}, and is left
12575  After the @code{AC_CANONICAL_BUILD}, @code{build} is set to the  empty otherwise.  After the @code{AC_CANONICAL_BUILD}, @code{build} is
12576  canonicalized build type.  To ease the transition, before, its contents  set to the canonicalized build type.  To ease the transition, before,
12577  is the same as that of @code{build_alias}.  Do @emph{not} rely on this  its contents is the same as that of @code{build_alias}.  Do @emph{not}
12578  broken feature.  rely on this broken feature.
12579    
12580  For consistency with the backward compatibility scheme exposed above,  For consistency with the backward compatibility scheme exposed above,
12581  when @option{--host} is specified by @option{--build} isn't, the build  when @option{--host} is specified by @option{--build} isn't, the build

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