* doc/autoconf.texi (Limitations of Usual Tools) <tr>: Mention
that Solaris /usr/bin/tr does not only have problems with
replacing NUL bytes but discards all NUL bytes from the input.
Signed-off-by: Eric Blake <ebb9@byu.net>
* doc/autoconf.texi (Initializing configure): Update wording.
(Versioning) <AC_PREREQ>: Remove misleading text, to match
autoupdate's behavior.
* THANKS: Update.
Reported by NightStrike, with input from Ralf Wildenhues.
Signed-off-by: Eric Blake <ebb9@byu.net>
* doc/autoconf.texi (Limitations of Usual Tools): Mention that
Solaris /usr/bin/tr does not support ranges, nor the '\0' octal
escape.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* doc/install.texi (Basic Installation): Mention that INSTALL is
generic, and that not all packages implement all features.
Mention 'make distcheck' for maintainers, and 'make installcheck'
for users. Mention the GNU Coding Standards.
(Installation Names): Mention DESTDIR vs. 'make prefix= install'
as ways to alter the configuration, with caveats of each. Move
--program-prefix discussion...
(Optional Features): ...here. Mention --enable-silent-rules and
use of make V=0.
Signed-off-by: Eric Blake <ebb9@byu.net>
* doc/install.texi (Basic Installation): Use better markup.
(Multiple Architectures): Introduce the term VPATH.
(Installation Names): Mention that --prefix must be absolute.
* doc/autoconf.texi (Preset Output Variables)
(Installation Directory Variables): Consistently refer to GNU
Coding Standards.
Signed-off-by: Eric Blake <ebb9@byu.net>
* m4/m4.m4 (AC_PROG_GNU_M4): Reject m4 1.4.5, now that we use
regexp it can't handle.
* NEWS: Mention minimum version bump.
* README: Likewise.
* README-hacking: Likewise.
* doc/autoconf.texi (Introduction, Why GNU M4): Likewise.
* tests/tools.at (autom4te --trace and whitespace): Update test so
still work with older m4 line numbers.
* tests/m4sugar.at (m4@&t@_require: nested): Likewise.
Reported by Ralf Wildenhues.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/autotest/general.m4 (AT_INIT) <Driver loop>: Turn off notify
mode, since zsh leaves it on after 'emulate sh'.
* doc/autoconf.texi (Limitations of Builtins) <set>: Document that
job control options are not portable.
Signed-off-by: Eric Blake <ebb9@byu.net>
These are lightweight versions of AT_CHECK that automatically
add the equivalent of ! in front of the command and change a
failure exit status to 77 resp. 99. They expand to just
two lines of shell code at the expense of not supporting
tracing (but then so does AT_XFAIL_IF).
2009-07-12 Paolo Bonzini <bonzini@gnu.org>
* NEWS: Mention AT_SKIP_IF and AT_FAIL_IF.
* doc/autoconf.texi (Autotest): Document them.
* lib/autotest/general.m4 (_AT_LINE_ESCAPED, AT_SKIP_IF,
AT_FAIL_IF, _AT_CHECK_EXIT): New.
(AT_CHECK): Use _AT_LINE_ESCAPED.
* tests/autotest.st: Add tests for AT_SKIP_IF and AT_FAIL_IF.
Use AT_SKIP_IF.
* tests/local.st: Use AT_SKIP_IF.
* lib/autotest/general.m4 (AT_INIT) <driver loop>: Avoid syntax
errors on shells that don't recognize <>.
* tests/autotest.at (AT_SKIP_PARALLEL_TESTS): Also skip parallel
tests for this reason. Skip based on the shell to be tested,
not the shell driving the testsuite.
(parallel syntax error): Rearrange similar to previous patch.
(parallel test execution): Defer skip until after serial tests.
Signed-off-by: Eric Blake <ebb9@byu.net>
* tests/autotest.at (Syntax error): Skip test if shell aborts on
syntax error (AIX ksh88) or doesn't detect it (zsh).
* doc/autoconf.texi (Limitations of Builtins) <.>: Mention these
limitations.
Reported by Ralf Wildenhues.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sh.m4 (_AS_ECHO_N_PREPARE): Ensure more than
one character is output with `\c'; reset echo output state
if buggy ksh was detected, and set ECHO_T instead of ECHO_C.
* doc/autoconf.texi (Limitations of Builtins): Document it.
* tests/m4sh.at (ECHO_C): New test.
* THANKS: Update.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* doc/autoconf.texi (Limitations of Builtins) <trap>: Mention new
Posix 2008 requirement on trap, and dash bug in implementing it.
Mention various shell bugs with traps defined inside subshells.
Mention older bash limitation with single-command exit trap.
<set>: Mention another 'set -e' limitation.
Reported by Jens Schmidt.
Signed-off-by: Eric Blake <ebb9@byu.net>
* doc/autoconf.texi (Particular Programs) <AC_PROG_LEX>: Mention
why fallback is :, and that a --version check must be used to
determine whether flex was found.
Reported by Patrick Welche.
Signed-off-by: Eric Blake <ebb9@byu.net>
* doc/autoconf.texi (Environment Variable Index): Add more
entries, particularly for precious variables and known culprit
variables. Needed to avoid overfull vbox.
(Special Shell Variables) <CLICOLOR_FORCE, GREP_OPTIONS>: Add
variables known to cause misbehavior.
* lib/m4sugar/m4sh.m4 (_AS_DETECT_BETTER_SHELL): Unset variables
known to cause problems.
* THANKS: Update.
Based on reports from Ilya Bobir and Joey Mingrone.
Signed-off-by: Eric Blake <ebb9@byu.net>
* doc/autoconf.texi (Variables listed in VPATH): New node.
(Top, VPATH and Make): Adjust menus.
(Build Directories): Refer to it.
Prompted by report from Bruno Haible.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* ChangeLog: Relicense under GPL.
* ChangeLog.0: Likewise.
* ChangeLog.1: Likewise.
* ChangeLog.2: Likewise.
* THANKS: Likewise.
* m4/m4.m4: Use latest wording of FSF all-permissive license.
* m4/make-case.m4: Likewise.
* doc/install.texi: Likewise.
* tests/statesave.m4: Relicense to match rest of testsuite; this
file does not need all-permissive license since it is not designed
for reuse by other packages.
* BUGS: Relicense under all-permissive license.
* HACKING: Likewise.
* NEWS: Likewise.
* README: Likewise.
* README-alpha: Likewise.
* README-hacking: Likewise.
* TODO: Likewise.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/autotest/general.m4 (AT_CHECK_NOESCAPE): Keep older,
undocumented semantics, where unbalanced " cannot be used in the
stdout/stderr argument.
(AT_CHECK_UNQUOTED): Treat " in stdout/stderr as a literal, since
the text is used in double-quoted context.
* tests/autotest.at (unquoted output): New test.
* doc/autoconf.texi (Writing Testsuites) <AT_CHECK>: Mention which
shell expansions are handled.
Signed-off-by: Eric Blake <ebb9@byu.net>
* doc/autoconf.texi (C Compiler): Document that AC_PROG_CC_C89
and AC_PROG_CC_C99 prefer extended over strict conformance modes.
Report by Vincent Lefèvre.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* doc/autoconf.texi (Redefined M4 Macros): Rewrite synopsis of
m4_if in the presence of more than three arguments.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* doc/autoconf.texi (config.status Invocation): Fix markup in
synopsis. Use `tag' instead of `file' notation for the
non-option arguments, to be consistent with the documentation
of the AC_CONFIG_* macros.
* lib/autoconf/status.m4 (_AC_OUTPUT_CONFIG_STATUS): Likewise,
use `tag' notation for non-option arguments.
Report by John Calcote.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
