* doc/install.texi (Compiling For Multiple Architectures): Explain
how to create universal binaries on MacOS X.
Signed-off-by: Eric Blake <ebb9@byu.net>
* doc/autoconf.texi (Shell Substitutions): Document the issue.
* lib/m4sugar/m4sh.m4 (AS_VAR_IF): New function.
* lib/autoconf/functions.m4 (AC_CHECK_FUNC): Use it in place of
"test AS_VAR_GET([...]) = yes"
* lib/autoconf/general.m4 (AC_CHECK_FILE, AC_CHECK_DECL): Likewise.
* lib/autoconf/headers.m4 (_AC_CHECK_HEADER_MONGREL): Likewise.
(_AC_CHECK_HEADER_NEW, _AC_CHECK_HEADER_OLD): Likewise.
(_AC_CHECK_HEADER_DIRENT): Likewise.
* lib/autoconf/libs.m4 (AC_CHECK_LIB): Likewise.
* lib/autoconf/types.m4 (_AC_CHECK_TYPE_NEW, AC_CHECK_MEMBER): Likewise.
* lib/autoconf/status.m4 (_AC_OUTPUT_FILES_PREPARE): Use
temporary variable to work around the issue.
* tests/foreign.at (Libtool): Quote result of command
substitution.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* tests/m4sh.at (AS@&t@_IF and AS@&t@_CASE): Relax test to
something more manageable.
* tests/m4sugar.at (recursion): Move stress test of
m4_transform_pair here.
Reported by Ralf Wildenhues.
Signed-off-by: Eric Blake <ebb9@byu.net>
* .gitattributes (*.texi*): Add new entry.
* README-hacking: Mention how to use it.
Inspired by a coreutils patch by Jim Meyering.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sugar.m4 (_m4_apply): New macro.
(m4_map): Ignore empty sublists. For a list consisting of only an
empty sublist, this restores 2.61 behavior of being a no-op.
(m4_map_sep): Likewise, and expand separator.
(m4_mapall, m4_mapall_sep): New macros, to regain 2.62 behavior.
(_m4_map): Rewrite, to be common base for all four variants.
* lib/m4sugar/foreach.m4 (_m4_map): Adjust to new prototype.
* tests/m4sugar.at (m4@&t@_map): Add tests.
* doc/autoconf.texi (Looping constructs) <m4_map>: Document new
macros, and mention ramifications of expanded separator.
* NEWS: Mention the change.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sugar.m4 (m4_transform, m4_transform_pair): New
macros, undocumented for now.
* lib/m4sugar/foreach.m4 (m4_transform, m4_transform_pair): Also
the m4 1.4.x counterparts.
* lib/m4sugar/m4sh.m4 (AS_IF, AS_CASE): Use it.
* tests/m4sh.at (AS@&t@_IF and AS@&t@_CASE): Test it.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/autoconf/programs.m4 (AC_PATH_TARGET_TOOL)
(AC_CHECK_TARGET_TOOL, AC_CHECK_TARGET_TOOLS): Require, do not
warn about previous AC_CANONICAL_TARGET.
(AC_CHECK_TARGET_TOOL): Add missing `$' making the macro
unusable in the non-cross-compiling case.
* NEWS, THANKS: Update.
Report by Dave Erickson.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* lib/m4sugar/foreach.m4 (m4_bmatch): Provide linear
implementation for m4 1.4.x.
* tests/m4sugar.at (m4@&t@_bmatch): New test.
(recursion): Test the linear nature.
* NEWS: Document the fix.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/autoconf/specific.m4 (AC_USE_SYSTEM_EXTENSIONS): Use a
unique key for the AH_VERBATIM.
* tests/c.at (AC_USE_SYSTEM_EXTENSIONS): New test.
* NEWS: Mention the fix.
Reported by Andreas Schwab, analyzed by Stepan Kasal.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sugar.m4 (m4_cond): Split into...
(_m4_cond): ...this, for fewer macros per iteration.
* lib/m4sugar/foreach.m4 (_m4_cond): New implementation.
* tests/m4sugar.at (recursion): Test it.
* NEWS: Document the linear guarantee.
Signed-off-by: Eric Blake <ebb9@byu.net>
* doc/autoconf.texi (C Compiler) <AC_C_CHAR_UNSIGNED>: Mention a
portable alternative to this macro.
* THANKS: Update.
Reported by Hallvard B Furuseth.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/autoconf/status.m4 (_AC_OUTPUT_CONFIG_STATUS): Flatten
whitespace in $ac_config_files and $ac_config_headers.
* tests/torture.at (Parameterized AC_CONFIG_FILES): New test.
Report by Andreas Schwab and Per Øyvind Karlsen.
* THANKS: Update.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* lib/m4sugar/m4sugar.m4 (m4_bpatsubsts): Match documentation
about anchors, even for only one substitution.
* lib/m4sugar/foreach.m4 (_m4_bpatsubsts): New implementation.
* doc/autoconf.texi (Conditional constructs) <m4_bpatsubsts>:
Clarify behavior with regard to quoting.
* tests/m4sugar.at (recursion): Test scaling of m4_bpatsubsts.
(m4@&t@_bpatsubsts): New test.
* NEWS: Document the linear guarantee.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sugar.m4 (m4_for): Use fewer macros.
(_m4_for): Take additional parameter, for fewer m4_indir calls.
* lib/m4sugar/foreach.m4 (_m4_foreach, _m4_shiftn, m4_do)
(m4_reverse, _m4_list_pad, _m4_list_cmp): Adjust all callers.
* doc/autoconf.texi (Looping constructs) <m4_for>: Document subtle
semantic change caused by the optimization.
* tests/m4sugar.at (M4 loops): Test the new semantics.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sugar.m4 (_m4_list_cmp_1): Don't defer shift.
* lib/m4sugar/foreach.m4 (m4_list_cmp): Fix comment.
* tests/m4sugar.at (recursion): Test both directions of list
disparity.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sugar.m4 (m4_reverse): New macro.
(m4_list_cmp): Rewrite to give linear behavior with M4 1.6 on an
m4_reverse'd list.
* lib/m4sugar/foreach.m4 (m4_reverse): Add the M4 1.4.x
counterpart.
* tests/m4sugar.at (recursion): Test it.
* doc/autoconf.texi (Evaluation Macros) <m4_reverse>: Document
it.
(Text processing Macros) <m4_append>: Cross-reference to m4_set.
* NEWS: Mention new macro.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sugar.m4 (m4_foreach, _m4_foreach, m4_map)
(_m4_map, m4_map_sep): Rewrite recursion to use one less m4_if.
* lib/m4sugar/foreach.m4 (_m4_map): Accomodate changed signature.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sugar.m4 (m4_set_add, m4_set_add_all)
(m4_set_contains, m4_set_contents, m4_set_delete)
(m4_set_difference, m4_set_dump, m4_set_empty, m4_set_foreach)
(m4_set_intersection, m4_set_list, m4_set_listc, m4_set_remove)
(m4_set_size, m4_set_union): New macros.
* lib/m4sugar/foreach.m4 (m4_set_add_all): Add O(n) fallback for
m4 1.4.x.
* lib/autoconf/general.m4 (_AC_INIT_DEFAULTS, AC_SUBST): Use
new m4_set API for the set most likely to be large.
* doc/autoconf.texi (Set manipulation Macros): New node.
* NEWS: Mention new macros.
* tests/m4sugar.at (m4@&t@_set): New test.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sugar.m4 (m4_init): Bypass m4_include tracing, so
that aclocal doesn't insist on finding m4sugar/foreach.m4.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/foreach.m4: New file.
(m4_foreach, m4_case, _m4_shiftn, m4_do, m4_dquote_elt, _m4_map)
(m4_join, m4_joinall, m4_list_cmp, _m4_minmax): Replace m4sugar
macros based on $@ recursion [fast on M4 1.6, but quadratic on M4
1.4.x] with versions based on m4_for/m4_foreach [slow on 1.6, but
linear on 1.4.x].
* lib/m4sugar/m4sugar.m4 (m4_init): Dynamically load new file if
older M4 is assumed.
(m4_map_sep): Optimize.
(m4_max, m4_min): Refactor, by adding...
(_m4_max, _m4_min, _m4_minmax): ...more efficient helpers.
(m4_defn, m4_popdef, m4_undefine): Use foreach recursion.
* lib/m4sugar/Makefile.am (dist_m4sugarlib_DATA): Distribute new
file.
* tests/m4sugar.at (M4 loops): Add a stress test that takes
forever if m4_foreach and friends are quadratic.
* NEWS: Mention this.
Signed-off-by: Eric Blake <ebb9@byu.net>
* bin/autoupdate.in (_au___undefine): New macro,...
(_au__undefine): ...wrapped by ifdef to silence m4 warnings.
Reported by Ralf Wildenhues.
Signed-off-by: Eric Blake <ebb9@byu.net>
* GNUmakefile: Grab from upstream, to fix issue where 'make
install' would allow installation of stale version string.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sugar.m4 (m4_defn, m4_popdef, m4_undefine): Don't
define slower wrapper if m4 will warn on our behalf; key off of
__m4_version__, added alongside the new warnings in m4 1.6.
* tests/m4sugar.at (m4@&t@_defn): New test.
Signed-off-by: Eric Blake <ebb9@byu.net>
* doc/autoconf.texi (Header Templates): Mention rules on comments
and whitespace, and that the user cannot rely on #undef to survive
through config.status.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sugar.m4 (m4_version_compare): Provide alternate
definition for non-Autoconf clients of m4sugar.
Signed-off-by: Eric Blake <ebb9@byu.net>
* doc/autoconf.texi (Text processing Macros) <m4_append>
<m4_prepend>: If m4 is fixed, m4_append can be linear rather than
O(n log n).
* lib/m4sugar/m4sugar.m4 (m4_append, m4_append_uniq): Fix comments.
Analysis by Bruno Haible.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sugar.m4 (m4_PACKAGE_VERSION): Ignore failure to
find version.texi, since bison does not provide it.
(m4_prepend): Add new macro, from bison.
(m4_prepend_uniq, m4_prepend_uniq_w): Add new macros, for
completeness.
(_m4_append_uniq): Rename...
(_m4_grow_uniq_1): ...to this to share implementation, and
optimize initial assignment.
(m4_append_uniq_w): Adjust caller.
* NEWS: Document new macros.
* doc/autoconf.texi (Text processing Macros) <m4_append>: Mention
speed consideration.
<m4_prepend>: Document the new prepend variants.
* tests/m4sugar.at (m4@&t@_prepend): New test.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/autoconf/status.m4 (_AC_OUTPUT_LINK): Do not warn when not
linking a file to itself.
Report by Bruno Haible.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* lib/autotest/general.m4 (AS_MESSAGE_LOG_FD): Move definition
earlier in the file.
(AT_INIT): Create line number cache in
$at_suite_dir/at-source-lines.
<at_helper_dir>: New directory at-groups below $at_suite_dir.
Add comment explaining the new directory structure.
(at_func_group_prepare, at_func_group_postprocess): New shell
functions to factorize per-test group work. Keep the actual
test execution outside of a shell function in order to avoid
zsh 4.x exit status bugs.
<at_check_line_file, at_status_file, at_stdout, at_stder1>
<at_stderr, at_test_source>: Turn these into per-group files
below $at_helper_dir. Also store test results there in files
named pass, fail, xpass, xfail, skip. Let the parent collect
results from $at_helper_dir. Adjust summary statistics
computation and result output.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* lib/autoconf/status.m4 (_AC_OUTPUT_HEADERS_PREPARE): For
undefined preprocessor macros that are followed by a comment
in the header template, do not create nested comments in the
output.
* tests/torture.at (@%:@define header templates): Extend test.
* NEWS: Update.
Report by Karsten Hopp <karsten@redhat.com>.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
