Jay Foad <jay.f...@gmail.com> writes:
> I've just noticed this in config/acx.m4:
>
> dnl GCC_TARGET_TOOL(PROGRAM, TARGET-VAR, HOST-VAR, IN-TREE-TOOL, LANGUAGE)
> AC_DEFUN([GCC_TARGET_TOOL],
> [AC_MSG_CHECKING(where to find the target $1)
> if test "x${build}" != "x${host}" ; then
> ...
> else
> ifelse([$4],,,
> [ok=yes
> case " ${configdirs} " in
> *" patsubst([$4], [/.*], []) "*) ;;
> *) ok=no ;;
> esac
> ifelse([$5],,,
> [case ,${enable_languages}, in
> *,$5,*) ;;
> *) ok=no ;;
> esac])
> if test $ok = yes; then
> # An in-tree tool is available and we can use it
> $2='$$r/$(HOST_SUBDIR)/$4'
> AC_MSG_RESULT(just compiled)
> el])if expr "x[$]$2" : "x/" > /dev/null; then
> ^^^^^^
>
> That "el])if" looks very odd. Is it meant to be like that?
If $4 is empty this expands to "if expr ...", otherwise you get "ok=yes
... if test $ok = yes; then ... elif expr ..."
Andreas.
--
Andreas Schwab, sch...@linux-m68k.org
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"And now for something completely different."
