* lib/m4sugar/m4sugar.m4 (m4_expand): New macro.
* lib/autotest/general.m4 (AT_SETUP): Use it to preserve
whitespace after single-quoted comma.
* tests/autotest.at (AT_CHECK_AT_TITLE_CHAR): Test this.
* NEWS: Revert caveat about semantics change on comma.
* doc/autoconf.texi (Programming in M4): Lighten the warning on
using m4sugar; it is stabilizing.
(Redefined M4 Macros): Touch up wording on M4 builtins.
(Evaluation Macros): Document m4_expand.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sugar.m4 (m4_join): Just define this, not defun.
Ignore empty arguments, using...
(_m4_join): ...this new helper.
* tests/m4sugar.at (m4@&t@_join): New test.
* doc/autoconf.texi (Text processing Macros): Document new
semantics of m4_join.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sugar.m4 (m4_ignore, m4_unquote): New macros.
(m4_version_prereq): Inline constant expansions.
(m4_list_cmp): Reduce number of expansions, by avoiding m4_case.
Rewrite in terms of [] list, not () list.
(_m4_list_cmp, _m4_version_unletter): New helper macros.
(m4_version_unletter): Write wrapper around new implementation to
preserve old semantics.
(m4_version_compare): Pass correct type of list, and avoid
overhead of flattening expressions too early.
(m4_do): Move to be near other quoting macros.
(m4_max, m4_min): Always result in decimal output.
* doc/autoconf.texi (Looping constructs): Add m4_car, m4_cdr.
Move m4_do...
(Evaluation Macros): ...here. Add m4_ignore, m4_unquote.
(Text processing Macros): Move m4_version_compare...
(Number processing Macros): ...to this new node; document m4_cmp,
m4_list_cmp, m4_sign, m4_max, m4_min.
* tests/m4sugar.at (m4@&t@_version_compare): Enhance test, to pick
up on bugs fixed by this patch.
* NEWS: Document new macros.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/autoconf/general.m4 (_AC_DEFINE_Q): Check for raw newlines,
which won't work with the preprocessor nor with the awk
implementation.
* tests/torture.at (Define a newline): Test raw newline detection,
removing the XFAIL.
* doc/autoconf.texi (Defining Symbols): Document recent change to
allow backslash-newline.
* THANKS: Update.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/autoconf/status.m4 (_AC_OUTPUT_FILES_PREPARE): Fix comments.
(_AC_OUTPUT_HEADERS_PREPARE): New macro. Rewrite of the config
header machinery for use with awk and placement outside the main
config.status instantiation loop. Retain multi-line defines
through backslash-newline combinations, do not split the script
any more.
(_AC_OUTPUT_HEADER): Simplify accordingly, use $AWK.
(_AC_OUTPUT_MAIN_LOOP): Call _AC_OUTPUT_HEADERS_PREPARE if
needed.
(AC_OUTPUT_MAKE_DEFS): Remove backslash-newline combinations
from define values.
* NEWS: Update.
* tests/torture.at (#define header templates): Extend test by
several more cases: white space before and after `#', macros
with parameters in config.hin and as defines, multi-line macro
values.
(Torturing config.status): Use a define value twice the length
in order to exercise the awk literal string limit.
(Substitute and define special characters): Also try special
delimiter, to exercise the special-case code.
Suggestion by Eric Lemings.
* lib/m4sugar/m4sugar.m4 (m4_max, m4_min): New macros.
(m4_sign): Sort.
(m4_text_wrap): Fix off-by-one error in rewrite from m4_for to
m4_format.
* lib/autotest/general.m4 (AT_SETUP): Avoid negative width.
* tests/autotest.at (Long test title, Longer test title): Test
this fix, beyond what AS_HELP_STRING already tests.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sugar.m4 (m4_flatten): Only use regex if newline
is present.
(_m4_split): Avoid useless expansions inside definition. Move
argument defaulting...
(m4_split): ...here. Change alternate quote to something less
likely to appear in $1. Also, special case space as regexp...
(m4_foreach_w): ...to avoid regexp on single-term list.
(m4_default, m4_defn, m4_popdef, m4_undefine, _m4_foreach): Avoid
useless expansions inside definition.
* tests/m4sugar.at (m4@&t@_split): Add tests.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/autotest/general.m4 (AT_SETUP): Only expand description
once; thereafter, use its expansion, properly quoted.
* tests/autotest.at (AT_CHECK_AT_TITLE): Also check macro
expansion with arguments, and check for aligned output.
(AT_CHECK_AT_TITLE_CHAR): Remove XFAILs for tests that now pass.
Add a test for macros with parameters.
* NEWS: Document the semantics change.
* tests/base.at: Fix test titles containing commas.
* tests/compile.at: Likewise.
* tests/tools.at: Likewise.
* tests/torture.at: Likewise.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/autoconf/general.m4 (AC_CACHE_VAL): Warn if cache variable
lacks '_cv_', or if AC_SUBST appears in body.
* tests/base.at (AC_CACHE_CHECK): Test this change.
* doc/autoconf.texi (Writing testsuite.at): Remove the
limitation that the first parameter of AT_CHECK cannot
contain redirection.
(File Descriptors): Mention that Ultrix limitation is no longer a
show-stopper in modern code.
* tests/local.at (AT_CHECK_M4): Fix for cases when the fourth
parameter is `stderr' or `experr'. Optimize if it was `ignore'.
* lib/autotest/general.m4 (AT_CHECK): Update comment.
* tests/autotest.at (AT_CHECK_AT_TITLE): Properly quote the
font-lock fix.
* tests/torture.at (@%:@define header templates): Rename, so that
output lines up correctly.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/autoconf/functions.m4 (GETLOADAVG_LIBS) [AC_FUNC_GETLOADAVG]:
Use "|", not "!".
* lib/autoconf/status.m4 (_AC_SRCDIRS) [ac_top_builddir_sub]:
[ac_dir_suffix]: Use "|", not "," as sed delimiter.
* tests/mktests.sh (as_me): Likewise.
* lib/freeze.mk (check-forbidden-patterns): Likewise.
* lib/autoconf/fortran.m4 (_AC_PROG_FC_V_OUTPUT): Likewise.
* configure: Regenerate.
* doc/autoconf.texi (Shell Substitutions): Use "|", not "," in examples.
* lib/autotest/general.m4 (AT_INIT): Use "|", not "&" as sed delimiter
in the : -> $PATH_SEPARATOR transformation of $AUTOTEST_PATH. This is fine,
as long as $PATH_SEPARATOR doesn't contain "|".
* doc/autoconf.texi (Text processing Macros): Remove mention of
m4_AUTOCONF_VERSION, and leave m4_PACKAGE_VERSION undocumented
once again.
(Notices): Move AC_PREREQ...
(Versioning): ...to this new section, alongside the new AC_VERSION
alias for the undocumented m4_PACKAGE_VERSION.
* lib/m4sugar/m4sugar.m4 (m4_AUTOCONF_VERSION): Revert change.
* lib/autoconf/general.m4 (AC_VERSION): New macro.
* NEWS: Update to match this rename.
* tests/m4sugar.at (m4@&t@_version_compare): Remove tests of
m4_PACKAGE_VERSION.
* tests/tools.at (autoconf: AC_VERSION): New test.
Suggested by Paolo Bonzini and Benoit Sigoure.
* tests/Makefile.am (EXTRA_DIST): Distribute mktests.stamp.
(CLEANFILES): Don't clean the stamp, since we distribute the
generated files pre-built.
(MAINTAINERCLEANFILES): Clean it here instead.
* tests/Makefile.in: Regenerate.
* tests/Makefile.am (mktests.stamp): New witness.
(TESTSUITE_GENERATED_AT): Use it.
(CLEANFILES): Clean the witness.
* tests/.cvsignore (mktests.stamp): Ignore the witness.
* doc/autoconf.texi (Text processing Macros): Document
m4_version_compare, m4_AUTOCONF_VERSION, m4_PACKAGE_VERSION.
(Redefined M4 Macros): Document m4_ifndef.
* lib/m4sugar/m4sugar.m4 (m4_AUTOCONF_VERSION): New macro; we
can't obsolete m4_PACKAGE_VERSION at this time since Autoconf 1.10
used it while it was undocumented.
* NEWS: Document this change.
* lib/m4sugar/Makefile.am (version.m4): Update copyright dates.
* lib/m4sugar/Makefile.in: Regenerate.
* tests/m4sugar.at (m4@&t@_version_compare): New test.
Reported by Bruno Haible.
here, this macro is expanded by AC_INIT. Fixes 2.60 regression.
* tests/base.at (configure arguments): New test.
* THANKS: Update.
Report by Olaf Lenz.
file to itself if source and build trees coincide.
* tests/torture.at (AC_CONFIG_LINKS and identical files): New
test.
Report by Sebastian Freundt <hroptatyr@gna.org>.
not a valid shell variable name.
* tests/mktests.sh (ac_exclude_list): Add AC_ARG_VAR.
* tests/torture.at (AC_SUBST: variable name validation): New test.
Reported by Andreas Schwab.
* bin/autom4te.in (parse_args): Pass `-' through.
(handle_output): Skip the forbidden token search if we read from stdin.
(up_to_date): Always treat stdin as out of date.
* tests/tools.at (autoconf: input from stdin): New test.
(autoconf: forbidden tokens, basic): Check a second `autoconf' run.
AC_CHECK_TYPE, AC_CHECK_TYPES.
* doc/autoconf.texi (Generic types): C types must be type-names
(the C terminology), not type-ids (the C++ term). C++ types
must not be anonymous.
* lib/autoconf/types.m4 (_AC_CHECK_TYPE_NEW): Remove special case
for C++; this drops support for anonymous struct and union types,
which were problematic anyway.
* tests/semantics.at (AC_CHECK_HEADERS_NEW): Adjust test to work even
for C++.
an actual carriage return. Use "ac_cr" to contain the actual
carriage return.
* doc/autoconf.texi (Limitations of Usual Tools): Document problem
with traditional Awk and begin.
* tests/torture.at (Limitations of Builtins): Document the problem
with Bash 2.03 printf.
(Substitute and define special characters):
Remove trailing white space. Work around a bug in Solaris 8 /bin/bash.
all non-NUL characters are ok in substituted values.
* lib/autoconf/status.m4 (_AC_SED_CMD_LIMIT): Fix comment typo.
(_AC_OUTPUT_FILES_PREPARE): Test and use backslash escaping of
carriage return for $AWK, needed for BSD awk.
* tests/torture.at (Substitute and define special characters):
Test all 8 bit non-NUL characters.
Report against Automake by Patrick Welche.
`CEOF$ac_eof' special marker, the awk script cannot contain a
line matching `^CEOF', so this is not needed any more.
* tests/torture.at (Substitute a newline): Expose the `%!_!# '
special marker in the test.
creating the awk substitution script, handle one input line at a
time, so that the maximum length of a substituted (multi-line)
value is not limited by the size of the sed pattern space.
The trade-off is a slightly repetitive sed script.
* doc/autoconf.texi (Limitations of Usual Tools): Branch labels
can only have up to 7 characters, due to Solaris 10 /bin/sed.
* tests/torture.at (Substitute a 2000-byte string): Increase the
test with several long lines, they should not be caught by sed
limits any more.
instead of `awk' consistently.
(_AC_OUTPUT_CONFIG_STATUS): Initialize $AWK.
* tests/torture.at (Torturing config.status): Test both the
result of AC_PROG_AWK and plain awk.
(Substitute a 2000-byte string): Likewise.
(Substitute and define special characters): Likewise.
(Substitute a newline): Likewise.
