Re: Bug#369396: Regression: problems with macro calling AC_PROG_CC and AC_C_BIGENDIAN

[Ralf Wildenhues]

* quoting myself:
> 
> AC_C_BIGENDIAN requires (through some indirect macro chain) both
> AC_PROG_CC and AC_LANG_PREPROC(C).  Now, since you've explicitly called
> AC_PROG_CC before, that requirement is already deemed fulfilled by the
> stacking algorithm.  The AC_LANG_PREPROC(C) requirement is not yet
> fulfilled, so that macro is expanded right before the expansion of
> TEST_INIT.  Boing: AC_PROG_CC will be expanded after it.  :-(
> 
> One solution is to write the AC_PROG_CC as a requirement, so that it
> will be expanded outside, like this:

I guess you could instead also m4_define TEST_INIT, so that it will not
take part in the requirement-diversion game.  That should preserve the
order as well.

Cheers,
Ralf

> AC_DEFUN([TEST_INIT],[
> AC_REQUIRE([AC_PROG_CC])
> echo test2
> AC_C_BIGENDIAN
> echo test3
> ])