On Thu, Mar 16, 2017 at 11:26 PM, Nick Bowler <nbow...@draconx.ca> wrote: > Hello, > > On 2017-03-16, Max Horn <m...@quendi.de> wrote: >> on >> https://www.gnu.org/software/autoconf/manual/autoconf.html#Using-System-Type >> >> this example is given: >> >> case $host in >> alpha*-*-*) AC_CONFIG_LINKS([dither.c:alpha/dither.c]) ;; >> powerpc*-*-*) AC_CONFIG_LINKS([dither.c:powerpc/dither.c]) ;; >> *-*-*) AC_CONFIG_LINKS([dither.c:generic/dither.c]) ;; >> esac >> >> But that doesn't actually work; inserting it into configure.ac leads to this >> error: >> >> configure.ac:396: error: `dither.c' is already registered with >> AC_CONFIG_LINKS. > > Nice catch. > > [...] >> Which leaves me wondering how to achieve equivalent behavior correctly? > > Probably the example could be written something like this (untested): > > case $host in > alpha*-*-*) dither_src=alpha ;; > powerpc*-*-*) dither_src=powerpc ;; > *-*-*) dither_src=generic ;; > esac > AC_CONFIG_LINKS([dither.c:$dither_src/dither.c]) ;; >
I think you also need to pass the value of 'dither_src' to config.status (still untested): AC_CONFIG_LINKS([dither.c:$dither_src/dither.c], [], [dither_src='$dither_src']) Bert > Cheers, > Nick >
