Re: ptrdiff_t overflow checks for malloc-posix etc.

[Bruno Haible]

Hi Paul,

> * m4/realloc.m4 (_AC_FUNC_REALLOC_IF):
> Don’t start with a newline.

This is not very robust. We usually don't care about newlines or useless
indentation in the generated configure.ac any more. Therefore future
edits may reintroduce a newline here. It would be more robust to change

  test $REPLACE_REALLOC = 1 || _AC_FUNC_REALLOC_IF([], [REPLACE_REALLOC=1])

to

  if test $REPLACE_REALLOC = 0; then
    _AC_FUNC_REALLOC_IF([], [REPLACE_REALLOC=1])
  fi

Bruno