* doc/autoconf.texi (Limitations of Builtins): Fix typos `set -d'
in previous example. Document failure to honor && lists with set -e
and a command substitution in the failing command.
Report and initial patch by Stefano Lattarini against Automake.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* lib/m4sugar/m4sugar.m4 (_m4_divert, m4_divert_push): Add
optional parameter, which controls warning.
(m4_divert_pop, m4_cleardivert, m4_divert_require)
(_m4_require_call): Adjust callers.
* lib/m4sugar/m4sh.m4 (AS_REQUIRE): Likewise.
* tests/m4sh.at (AT_DATA_LINENO): Avoid triggering the warning.
* tests/m4sugar.at (AT_CHECK_M4SUGAR_TEXT, m4@&t@_append)
(m4@&t@_text_wrap, recursion): Likewise.
(m4@&t@_warn, m4@&t@_divert_stack): Adjust expected output.
* tests/tools.at (autom4te and whitespace in file names)
(autoconf: the empty token): Avoid triggering the warning.
(autoconf: AC_PRESERVE_HELP_ORDER): New test.
* tests/mktests.sh (ac_exclude_list): Retire prior test.
* NEWS: Document the warning.
* doc/autoconf.texi (Redefined M4 Macros) <m4_divert>,
<m4_undivert>: Make even more explicit that using these directly
is discouraged.
(Diversion support): Further warn against improper diversion
changes.
<m4_divert_text>: Give an example of proper use.
Reported by Mike Frysinger.
Signed-off-by: Eric Blake <ebb9@byu.net>
* doc/autoconf.texi (Libraries): Document that AC_SEARCH_LIBS
prepends to LIBS, just like AC_CHECK_LIB.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* lib/autoconf/functions.m4 (AC_FUNC_MMAP): Use const char*
for the constant string. Cast void* to char* for assignment.
* NEWS, THANKS: Update.
Report by Michal Čihař.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* lib/autoconf/fortran.m4 (_AC_F95_FC): Add pgfortran before
pgf95.
Based on report by Jeff Squyres.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* lib/autotest/general.m4 (AT_INIT) <PREPARE_TESTS>: Check for
absolute names before path walk.
* THANKS: Update.
Suggested by Allan Clark.
Signed-off-by: Eric Blake <ebb9@byu.net>
* bin/autoreconf.in (autoreconf_current_directory): Collapse
newlines in the autoconf trace output, similar to how automake
invokes autoconf, so that newlines do not matter in the argument
to AC_CONFIG_SUBDIRS.
* tests/torture.at (Deep Package): Expose this issue in the
test.
* THANKS: Update.
Report by Nathan Schulte.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* lib/autoconf/functions.m4 (AC_FUNC_MMAP): Make the test more
portable: Actually check for <sys/param.h>, and only use MAP_FIXED
on an address previously returned from mmap.
* THANKS: Update.
Reported by Corinna Vinschen.
Signed-off-by: Eric Blake <ebb9@byu.net>
* doc/autoconf.texi (Common Shell Constructs) <AS_DIRNAME>:
Restore documenatation, since dirname mentions it.
Reported by Peter Johansson.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/autoconf/status.m4 (_AC_OUTPUT_FILES_PREPARE): No need to
concatenate an empty second string, when we have exactly 148
characters to substitute.
* tests/torture.at (Substitute a 2000-byte string): Add test
exposure for runs of backslashes near the 148 character limit.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* tests/torture.at (Substitute and define special characters):
Double the backslash before the double-quote in
AC_DEFINE_UNQUOTED, as documented for here-documents.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* doc/autoconf.texi (Portable C and C++): Provide uref rather than
xref when building for html.
Reported via Karl Berry.
Signed-off-by: Eric Blake <ebb9@byu.net>
* tests/c.at (AC_OPENMP and C, AC_OPENMP and C++): Override
`ACLOCAL=true' for autoreconf, the tests don't need aclocal.
* tests/fortran.at (AC_OPENMP and Fortran 77)
(AC_OPENMP and Fortran): Likewise.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* doc/autoconf.texi (AC_PROG_AWK, AC_PROG_GREP, AC_PROG_EGREP,
AC_PROG_FGREP, AC_PROG_INSTALL, AC_PROG_MKDIR_P, AC_PROG_LEX,
AC_PROG_YACC, AC_CHECK_PROG, AC_CHECK_PROGS, AC_PATH_PROG,
AC_PATH_PROGS): Don't suggest to use the cache variable, only to
override it, or preferably, a non-cache variable associated with
the test.
(AC_PROG_SED): Likewise. Fix name of cache variable.
(AC_FUNC_GETMNTENT): Fix name cache variable.
(AC_FUNC_LSTAT): Fix typo.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* lib/autoconf/fortran.m4 (AC_LANG_FUNC_LINK_TRY(Fortran): New.
* tests/c.at (AC_C_RESTRICT and C++, AC_OPENMP and C)
(AC_OPENMP and C++): New tests.
* tests/fortran.at (AC_OPENMP and Fortran 77)
(AC_OPENMP and Fortran): New tests.
* THANKS: Update.
Report by Bart Oldeman.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* lib/m4sugar/m4sh.m4 (AS_VAR_IF, AS_IDENTIFIER_IF)
(AS_LITERAL_IF): Parse fewer bytes during expansion, by visiting
if-true and if-false arguments only once.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sugar.m4 (m4_escape): Don't use regex if string is
already sane, by copying from AS_LITERAL_IF. Move guts...
(_m4_escape): ...into new helper.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sugar.m4 (m4_escape): New macro.
(m4_text_wrap): Use it to avoid issues with embedded [ and ].
* tests/m4sugar.at (m4@&t@_text_wrap): Test it.
* NEWS: Document this.
* doc/autoconf.texi (Text processing Macros) <m4_escape>:
Likewise.
Reported by Mike Frysinger.
Signed-off-by: Eric Blake <ebb9@byu.net>
* doc/autoconf.texi (Runtime) <AC_RUN_IFELSE>: Mention that
compiled test program still exists during if-true branch.
* THANKS: Update.
Reported by Stefano Lattarini, suggestion by Ralf Wildenhues.
Signed-off-by: Eric Blake <ebb9@byu.net>
* doc/install.texi (Basic Installation, Installation Names): Fix
typos in last patch.
Repored by Ralf Wildenhues.
Signed-off-by: Eric Blake <ebb9@byu.net>
* doc/install.texi (Basic Installation): Clarify installcheck
behavior.
(Installation Names): Mention that --prefix only overrides
directory locations not specified on the command line. Prefer
/alternate/directory over /path/to. Remove a sentence targeted to
the developer, not the user.
* THANKS: Update.
Suggested by Alfred M. Szmidt.
Signed-off-by: Eric Blake <ebb9@byu.net>
* doc/autoconf.texi (Debugging): Recommend to use "bash -n
configure". Recommend the use of result variables as an
alternative to run-if-true/run-if-false parameters.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* doc/autoconf.texi (Limitations of Usual Tools) <sed>: '*' does
not work after subexpressions, \{M,N\} only after one-character
expressions. From GCC PR 38923.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
