Ralf Hemmecke wrote:
> In configure.ac, I find
>
> AC_CHECK_PROGS([MAKE], [make], AC_MSG_ERROR([Make utility missing.])])
>
> but have you looked at the resulting file "configure"? The code then
> looks like
>
> test -n "$MAKE" || MAKE="{ { echo "$as_me:$LINENO: error: Make utility
> missing." >&5
> echo "$as_me: error: Make utility missing." >&2;}
> { (exit 1); exit 1; }; }"
>
> which doesn't look right to me. There is a double-quoted string inside a
> double-quoted string. I am sure sh does not treat that correctly.
>
This really does not work in bash: if make is found the code
works, but if make is missing than I get error message from
shell about missing error:, and configure goes on ignoring the
error. With bash the following works:
AC_CHECK_PROGS([MAKE], [make], [`AC_MSG_ERROR([Make utility missing.])`])
but the resulting code looks like:
... MAKE="`..."...."...`"
which is supposed to be nonportable.
> In GCC configure.ac they have something like...
>
> MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
> AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
>
> Shouldn't we do the same? You even have already included the script
> "config/missing" into the repository.
>
We want error message during configure. "config/missing" will
produce error message only during build, when we try to use it.
It looks that we either should use [`AC_MSG_ERROR([...])`] and
live with non-portablity, or use something like:
AC_CHECK_PROGS([MAKE], [make])
test -n "$MAKE" || AC_MSG_ERROR([Make utility missing.])
Probably the best way would be to have our own macro which would
expand to the code above.
--
Waldek Hebisch
[EMAIL PROTECTED]
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