Reported by Paul Martinolich.
* acgeneral.m4 (AC_PROVIDE): Don't forget to `m4_provide'!!!
Tss, novice...
* tests/base.at (AC_REQUIRE & AC_PROVIDE): New test.
comments and empty lines.
Check that freezing produced no output.
* m4sugar.m4: Commentize what was not.
* m4sh.m4: Likewise.
* aclang.m4: Formatting changes.
the new macro...
Reported by Ezra Peisach.
* tests/semantics.m4 (AC_HAVE_FUNCS): New test.
* tests/tools.at (autoupdate): As a benign side effect, updating a
macro that takes no argument produces `UPDATED([])', no longer
`UPDATED()'. Adjust the test.
Autoconf's file, do it afterwards, so that Autoconf promotes the
right use, but users still can use the old names.
Of course this revealed numerous non updated uses of old macros in
Autoconf's files. Adjust them.
But for the time being, keep `define' alive for Autoconf.
caused strange messages about AC_ARG_PROGRAM.
Reported by Jim Meyering.
* acgeneral.m4 (AC_DEFUN_ONCE): Fix the indirection to
m4_defun_once.
* m4sugar.m4 (m4_defun_once): Also define
`m4_location(MACRO-NAME)'. s/ac_warn/m4_warn/.
Use `m4_defn' to read `m4_location'.
* tests/base.at (AC_REQUIRE & AC_DEFUN_ONCE): Two new tests.
be used early.
* acgeneral.m4 (_AC_INIT_DEFAULTS): Call `_AC_INIT_PREPARE_FDS'.
(_AC_INIT_PREPARE): Don't.
(_AC_INIT_PREPARE_ENVIRONMENT, _AC_INIT_PREPARE_FDS): Rename as...
(_AC_INIT_DEFAULTS_ENVIRONMENT, _AC_INIT_DEFAULTS_FDS): these,
since they are called from `_AC_INIT_DEFAULTS', not
`_AC_INIT_PREPARE'.
(_AC_INIT_DEFAULTS_FDS): Dump `$@' in config.log, not
`$ac_configure_args' which is not computed yet.
_AC_INIT_PREPARE_ENVIRONMENT, and fixed: set `FOO' before trying
to unset it: `unset' exits 1 if the variable is not defined.
(AS_UNSET): Require it. Use `as_unset' not `ac_unset'.
* acgeneral.m4 (_AC_INIT_PREPARE_ENVIRONMENT): Use it.
* acgeneral.m4 (_AC_DIVERT, AC_DIVERT, AC_DIVERT_PUSH)
(AC_DIVERT_POP): Move to...
* m4sugar.m4 (_m4_divert, m4_divert, m4_divert_push)
(m4_divert_pop): here.
* acgeneral.m4: Adjust to use only the M4sugar macros.
Nevertheless...
(AC_DIVERT_PUSH, AC_DIVERT_POP): New wrappers around the M4sugar
macros.
(_AC_DIVERT(...)): Rename all the diversions names as...
(_m4_divert(...)): these.
`shell.m4' and the name space `AS_*'.
* acgeneral.m4 (AC_SHELL_IFELSE, _AC_SHELL_TMPDIR, AC_SHELL_UNSET)
(AC_SHELL_MKDIR_P, AC_SHELL_DIRNAME): Rename and move to...
* shell.m4 (AS_IFELSE, AS_TMPDIR, AS_UNSET, AS_MKDIR_P)
(AS_DIRNAME): here, a new file.
Adjust all dependencies.
* tests/base.m4 (m4_wrap): Eve out into...
* tests/shell.m4: here, new file.
* tests/base.m4 (AC_SHELL_MKDIR_P)
(AC_SHELL_DIRNAME & AC_SHELL_DIRNAME_SED): Eve out into...
* tests/m4sugar.m4 (AS_MKDIR_P, AS_DIRNAME & AS_DIRNAME_SED):
here, new file.
Adjust the test suite.
(_AC_INIT_PREPARE): Trap after having created config.log.
Also trap on 0.
When trapped, report why in config.log.
(AC_MSG_WARN, AC_MSG_ERROR): Also output the message in
config.log.
(AC_SHELL_DIRNAME): this.
s/X$1/X[]$1/ so that when $1 is a macro, it's given a chance to be
expanded.
(AC_PREFIX_PROGRAM): Use AC_SHELL_DIRNAME.
Quote properly.
ambiguities let's rename `libm4' (M4 code) as `m4sugar':
Readability And Greater Understanding Stands 4 M4sugar
name coined by Lars J. Aas.
* libm4.m4: Rename as...
* m4sugar.m4: this.
All dependencies adjusted.
are properly templated, autoheader traces
AC_DEFINE/AC_DEFINE_UNQUOTED. Only literals can be traced, and
actually tracing non literals produces invalid autoheader input.
Hence, provide a means to trace calls to
AC_DEFINE/AC_DEFINE_UNQUOTED with literals.
* acgeneral.m4 (AC_DEFINE_TRACE, AC_DEFINE_TRACE_LITERAL): New
macros.
(AC_DEFINE, AC_DEFINE_UNQUOTED): Use AC_DEFINE_TRACE.
* autoheader.sh: Trace AC_DEFINE_TRACE_LITERAL, not
AC_DEFINE/AC_DEFINE_UNQUOTED.
instead of reinventing the wheel. This also takes care of a bug
where the "-g" option was accepted if the compiler silently exits
with status unequal to 0.
(_AC_PROG_CXX_G): Likewise.
(AC_PROG_CC): As _AC_PROG_CC_G depends on $ac_objext and
$ac_exeext, move the expansion of _AC_OBJEXT and _AC_EXEEXT in
front of _AC_PROG_CC_G.
(AC_PROG_CXX, AC_PROG_F77): Likewise.
value of the VARIABLE argument when looking for executables, we
need to set it to the correct value from AC_CHECK_TOOL when not
just passing on the incoming VARIABLE directly.
(AC_CHECK_TOOLS, AC_PATH_TOOL): Likewise.
(AC_PATH_PROGS, AC_PATH_TOOL, AC_CHECK_TOOL, AC_CHECK_TOOLS): Fix
the quotation.
(AC_PATH_TOOL, AC_CHECK_TOOL, AC_CHECK_TOOLS): Check with the
$ac_tool_prefix iff it is not empty.
(_AC_RUN_IFELSE): Before compiling, remove the files expected to
be produced.
(_AC_LINK_IFELSE, _AC_RUN_IFELSE): You don't create object files,
so don't remove them.
messages.
* libm4.m4 (m4_location): New macro.
(m4_errprint): Rename as...
(m4_diagnose): this. Use m4_location.
Adjust dependencies.
(m4_errprint): New macro, similar to `errprint' but for an
additional trailing `n'.
* acgeneral.m4 (AC_DEFUN, AC_DEFUN_ONCE): Define `m4_location($1)'
to the current location (i.e., that of the definition of $1).
(_AC_DEFUN_PRO, _AC_REQUIRE): Also push the location of the
current macro in the stack.
(_AC_EXPANSION_STACK_DUMP): Adjust.
AC_LANG_COMPILER by the way of AC_COMPILE_IFELSE etc.
* acspecific.m4 (_AC_EXEEXT): Use _AC_LINK_IFELSE, not
AC_LINK_IFELSE to avoid AC_REQUIREing AC_PROG_CC which precisely
requires _AC_EXEEXT.
Don't run _AC_CYGWIN, _AC_MINGW32, _AC_EMXOS2.
* aclang.m4 (_AC_PROG_F77_G): Use _AC_COMPILE_IFELSE, not
AC_COMPILE_IFELSE.
(_AC_LANG_COMPILER_WORKS): Use _AC_LINK_IFELSE, not
AC_LINK_IFELSE.
* acgeneral.m4 (_AC_DEFUN_PRO, _AC_DEFUN_EPI): Keep a stack of
macro expansions, _AC_EXPANSION_STACK.
Use `_AC_EXPANDING(FOO)' to record the fact that `FOO' is being
expanded.
(_AC_REQUIRE): Diagnose required macros which are already being
expanded.
Record in _AC_EXPANSION_STACK the AC_REQUIRE calls.
(_AC_EXPANSION_STACK_DUMP): New macro.
(_AC_RUN_IFELSE): New macros which are the former
AC_COMPILE_IFELSE etc. without AC_LANG_COMPILER_REQUIRE.
(AC_COMPILE_IFELSE, AC_LINK_IFELSE, AC_RUN_IFELSE): Use them.
* aclang.m4 (_AC_LANG_COMPILER_WORKS): Likewise.
* aclang.m4 (AC_PROG_CC_C_O, AC_PROG_F77_C_O): Fix typos where
$objext were used instead of $ac_objext.
(AT_INIT): Let `at_stop_on_error' and `at_verbose' be `:'/`false'
variables instead of `'/`1'.
`at_check_stds' replaces `at_no_redirs'.
Rename `Snippet 3' as `Snippet 4'.
Introduce `Snippet 3' for variable initializations.
Adjust the dependencies.
(AT_CHECK): Don't show diff's result unless verbose.
as well.
(_AC_INIT_HELP): Likewise.
(NEWS): Note checking for configure.gnu.
* doc/autoconf.texi: Document checking for configure.gnu when
recursing subdirectories.
from the output - it is only printed by Visual C that gives
correct exit status.
* aclang.m4 (AC_PROG_CPP): Don't try '${CC-cc} -nologo -E'
by the same reason.
and checks whether it produces errors or warnings. Don't put grep
output into a variable, use another grep instead.
(AC_TRY_CPP): Use _AC_TRY_CPP. Copy conftest.err to config.log
if the case of an error.
* aclang.m4 (AC_LANG(C), AC_LANG(C++), AC_LANG(Fortran 77)):
define AC_LANG_ABBREV to the short language name.
(_AC_PROG_CPP_WORKS): New macro. It checks whether the current
preprocessor can be used to check for existance of headers.
Most code taken from ...
(AC_PROG_CPP): ... here. Use _AC_PROG_CPP_WORKS. Use shell
"for" to find working CPP. Use AC_LANG_PUSH(C) and AC_LANG_POP -
it's a macro for C only.
(AC_PROG_CXXCPP): Rewritten using _AC_PROG_CPP_WORKS.
which uses $ac_objext hence depends upon _AC_OBJEXT.
* aclang.m4 (AC_PROG_CC, AC_PROG_CXX, AC_PROG_F77): Call
_AC_EXEEXT before _AC_OBJEXT since the former needs $ac_objext.
AM_FUNC_MKTIME, AM_FUNC_OBSTACK, AM_FUNC_STRTOD): Deactivate
their AU_ALIAS definition: Automake 1.4 does not quote the name of
these macros, hence when Autoconf reads Automake's definition the
name is expanded with unpredictable results.
operator when \(\) is used, and matches a string longer than 120
characters.
Reported by Geoff Keating.
* doc/autoconf.texi (Limitations of Usual Tools): Some words about
this.
* acgeneral.m4 (_AC_SHELL_DIRNAME): Fall back to echo|sed if expr
fails.
From Paul Eggert.
* acspecific.m4 (_AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H,
_AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL, AC_HEADER_TIOCGWINSZ,
AC_SYS_POSIX_TERMIOS): New macros from both Automake and the
fileutils.
AC_CANONICAL_* revamping.
Reported by Peter Eisentraut.
In fact, let's just use the precious variables handling.
* acgeneral.m4 (AC_VALIDATE_CACHED_SYSTEM_TUPLE): Obsoleted.
(_AC_ARG_VAR_PRECIOUS): New macro, eved from...
(AC_ARG_VAR): this macro. Adjust.
(_AC_INIT_PREPARE): `build_alias', `host_alias', and
`target_alias' are precious.
* doc/autoconf.texi: Adjust.
(_AC_DIVERT(PARSE_ARGS)): this. Adjust dependencies.
(AC_ARG_WITH): Remove spurious newline.
(AC_ARG_VAR): No longer save precious variables in
ac_configure_args, rather snapshot them twice (one kept
unmodified, another one to be written to/overwritten by the cache
file).
(AC_CACHE_SAVE): Let the cache variables named `ac_cv_env_*'
be overwritten when loading the cache (i.e., don't use the
: ${foo=...} trick).
(_AC_ARG_VAR_VALIDATE): Compare the two snapshots of the precious
variables.
(_AC_INIT_PREPARE): Call it after having loaded the cache file.
_AC_PROG_F77_GNU): Use ac_ext. Use ACEOF instead of EOF.
(AC_LANG_CONFTEST): New macro.
(_AC_PROG_CC_G, AC_PROG_CC_C_O, _AC_PROG_CXX_G, AC_PROG_F77_C_O,
_AC_PROG_F77_V_OUTPUT): Use it.
* acgeneral.m4 (AC_TRY_CPP, AC_EGREP_CPP, AC_COMPILE_IFELSE,
AC_LINK_IFELSE, AC_RUN_IFELSE): Likewise.
way of accessing Fortran name-mangling information other than
through CPP, and without having to know the different possible
name-mangling schemes.
* autoconf.texi: Documented AC_F77_FUNC
`size_t' which are often used too.
Fix a bug which prevents recognition of `bool' and `char'.
(_AC_CHECK_TYPE_MAYBE_TYPE_P): New macro.
(AC_CHECK_TYPE): Use it.
_AC_F77_NAME_MANGLING.
(_AC_F77_NAME_MANGLING): Use independent checks for the
name mangling of symbols with and without underscores.
Use algorithm with for loops instead of recursive macro calls.
(AC_F77_WRAPPERS): Adapt to changes in _AC_F77_NAME_MANGLING.
* doc/autoconf.texi (Fortran 77 Compiler Characteristics):
Remove documentation of AC_F77_NAME_MANGLING.
Remove documentation of f77_case and f77_underscore.
Replace AC_F77_FUNC_WRAPPER with AC_F77_WRAPPERS.
the options, and then optionally a small paragraph.
* acgeneral.m4 (AC_DIVERT_ONCE): New macro.
(HELP_VAR_END): New diversion.
(AC_ARG_ENABLE, AC_ARG_WITH, AC_ARG_VAR): Use AC_DIVERT_ONCE.
(AC_ARG_VAR): Follow the --help style.
* acspecific.m4 (AC_PATH_X): Use AC_DIVERT_ONCE.
when detecting the verbose flag than when scanning for linker
options, and as a result the former test failed (under AIX/xlf).
* aclang.m4 (_AC_PROG_F77_V_OUTPUT): New macro to get the
output of linking an F77 program with a given verbose flag,
and preprocess it as required to scan for linker flags.
(_AC_PROG_F77_V): Use the above macro here...
(AC_F77_LIBRARY_LDFLAGS): ...and here, enforcing consistency.
leads to unnecessary warnings if both C and Fortran are checked.
(AC_PROG_F77_C_O): AC_REQUIRE AC_PROG_F77 instead of pretend you
need to be AC_BEFORE it.
causes the compiler to output verbose linking information.
(AC_F77_LIBRARY_LDFLAGS): Use _AC_PROG_F77_V instead of
simply "-v"
(AC_F77_LIBRARY_LDFLAGS): New algorithm to parse flags, uses
set/shift shell commands.
(AC_F77_LIBRARY_LDFLAGS): Set FLIBS at end, after determining
ac_cv_flibs.
