Reported by Michael Elizabeth Chastain.
* autoconf.in: Refuse such AWK.
* configure.in: Likewise.
* Makefile.am (acversion.m4): Do not use move-if-change this file
has dependencies.
* doc/autoconf.texi (Fortran 77 Compiler): Some typos.
but some sed choke on multiple `;', and other tools (e.g.,
Automake), include the separator themselves.
* acgeneral.m4 (AC_ARG_VAR): Be sure not to leave extra `;'.
current values of the precious variables, not the previously
cached values.
Pass precious variables which are set to config.status.
* doc/autoconf.texi (Setting Output Variables): Document AC_ARG_VAR.
* tests/torture.at (AC_ARG_VAR): New.
* acgeneral.m4 (_AC_INIT_DEFAULTS_FDS): Remove, replace with
inline setting up of AS_MESSAGE_FD.
(AS_MESSAGE_LOG_FD): Do not define, so that AS_MESSAGE does not
output in it before...
(_AC_INIT_CONFIG_LOG): here, which is run after the handling of
options.
-x' and `test -f' to avoid confusing users with error messages.
(AS_MKDIR_P): Invert order of separators in IFS to avoid problem
with some shells adding backslash between fields and parsing the
result for escapes.
* doc/autoconf.texi (Special Shell Variables): Document IFS.
* acgeneral.m4 (_AC_INIT_DEFAULTS_FDS): Don't check for $silent,
tie AS_MESSAGE_FD to stdout unconditionally.
(_AC_INIT_PARSE_ARGS): If $silent redirect AS_MESSAGE_FD to
/dev/null.
* tests/base.at (AC_CACHE_CHECK): New test.
arguments.
(_m4_expansion_stack): Rename as...
(m4_expansion_stack): this, and change its value: instead of using
the pushdef stack to stack each *line* of the stack, each
definition contains the whole stack. I.e., to display the whole
stack, instead of popdefing and displaying each definition, just
display the current definition.
(m4_expansion_stack_push, m4_expansion_stack_pop): New.
* tests/atspecific.m4 (AT_CHECK_AUTOCONF): Let $2 be the expected
exit status.
* tests/m4sugar.m4 (m4_require: circular dependencies): New test.
(edit).
* m4sh.m4 (AS_UNAME): Eved out from...
* acgeneral.m4 (_AC_INIT_DEFAULTS): here.
(_AC_INIT_PACKAGE): Define AC_PACKAGE_NAME.
(_AC_INIT_PARSE_ARGS): AC_SUBST the PACKAGE_ variables.
Propagate their use in the executables and the test suite.
* tests/atgeneral.m4 (PATH): Include only absolute paths.
(AT_INIT): Use AS_UNAME.
Suggested by Jim.
* acgeneral.m4 (_AC_INIT_DEFAULTS): Don't define
ac_includes_default, since...
(_AC_INCLUDES_DEFAULT_REQUIREMENTS): this new macro does.
(AC_INCLUDES_DEFAULT): Require the former when default includes
are used.
(AC_CHECK_MEMBERS, _AC_CHECK_TYPE_NEW): Don't require
AC_HEADERS_STDC, that's a job for stupendous AC_INCLUDES_DEFAULT.
* acfunctions.m4 (AC_FUNC_MALLOC): Check for stdlib.h.
