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Now that ChangeLog entries are no longer used for sim patches,
this commit renames all relevant sim ChangeLog to ChangeLog-2021,
similar to what we would do in the context of the "Start of New
Year" procedure.
The purpose of this change is to avoid people merging ChangeLog
entries by mistake when applying existing commits that they are
currently working on.
Also throw in a .gitignore entry to keep people from adding new
ChangeLog files anywhere in the sim tree.
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Move the unique library tests to the common code so we can delete
the erc32 configure logic entirely.
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These ports only use the pieces that have been unified, so we can
merge them into the common configure script and get rid of their
unique one entirely.
We still compile & link separate run programs, and have dedicated
subdir Makefiles, but the configure script portion is merged.
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Move these options up to the common dir so we only test & export
them once across all ports.
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The sim-hardware configure option allows builders to select a set of
device models to enable. But this seems like unnecessary overkill:
the existence of individual device models doesn't affect performance
at all as they are only enabled at runtime if the config uses them,
and individually these are all <5KB a piece. Stripping off a total
of ~50KB from a ~1MB binary doesn't seem useful, and it's extremely
unlikely anyone will ever bother.
So let's simplify the configure/make logic by turning sim-hardware
into a boolean option like many of the other sim options. Any ports
that have unique device models will declare them in their Makefile
instead of at configure time. This will allow us to (eventually)
unify the setting into the common dir.
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Now that we've moved all content out to the common file, this is
empty and can be deleted it entirely.
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This will allow us to build the common code with the same inline
settings as the arch subdirs, and only do the test once.
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Move these options up to the common dir so we only test & export
them once across all ports.
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Move these options up to the common dir so we only test & export
them once across all ports.
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Move these options up to the common dir so we only test & export
them once across all ports. It also enables -Werror usage on the
common files we've been pulling out of arch subdirs.
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For the ports that still don't build with -Werror, rather than disable
the flag at configure time, do it at make time. This will allow us to
unify these tests in the common sim configure script.
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The m4 macro has 2 args: the "wire" settings (which represents the
hardwired port behavior), and the default settings (which are used
if nothing else is specified). If none are specified, the arch is
expected to support both, and the value will be probed based on the
user runtime options or the input program.
Only two arches today set the default value (bpf & mips). We can
probably let this go as it only shows up in one scenario: the sim
is invoked, but with no inputs, and no user endian selection. This
means bpf will not behave like the other arches: an error is shown
and forces the user to make a choice. If an input program is used
though, we'll still switch the default to that. This allows us to
remove the WITH_DEFAULT_TARGET_BYTE_ORDER setting.
For the ports that set a "wire" endian, move it to the runtime init
of the respective sim_open calls. This allows us to change the
WITH_TARGET_BYTE_ORDER to purely a user-selected configure setting
if they want to force a specific endianness.
With all the endian logic moved to runtime selection, we can move
the configure call up to the common dir so we only process it once
across all ports.
The ppc arch was picking the wire endian based on the target used,
but since we weren't doing that for other biendian arches, we can
let this go too. We'll rely on the input selecting the endian, or
make the user decide.
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The current autoconf 2.69 defines this to nothing because the logic
in AC_PROG_CC takes care of it all the time now. Delete the call.
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All of the settings in here are handled by the common top-level
config.h, so drop the individual arch-config.h files entirely.
This will also help guarantee that we don't add any new arch
specific defines that would affect common code which will help
with the effort of unifying them.
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This is the only define left in m4/ that is not in the common config.h,
so move it to sim_hw_cflags so we can drop the arch-specific config.h.
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Add conditional logic around fcntl.h F_{G,S}ETFL usage to fix builds
on systems that don't have it (e.g. Windows). The code is only used
to save & restore limited terminal stdin state.
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Add conditional logic around termios.h usage to fix builds on systems
that don't have it (e.g. Windows).
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This BSDism was never accepted into standards, so replace it with the
portable void* type instead.
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Move the --sim-enable-assert option up to the common dir so we only
test & export it once across all ports.
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Move the various platform tests up a level to avoid duplication
across the ports. When building multiple versions, this speeds
things up a bit.
For now we move the obvious stuff up a level, but we don't turn
own the config.h entirely just yet -- we still have some tests
related to libraries that need consideration.
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The defs.h header will take care of including the various config.h
headers. For now, it's just config.h, but we'll add more when we
integrate gnulib in.
This header should be used instead of config.h, and should be the
first include in every .c file. We won't rely on the old behavior
where we expected files to include the port's sim-main.h which then
includes the common sim-basics.h which then includes config.h. We
have a ton of code that includes things before sim-main.h, and it
sometimes needs to be that way. Creating a dedicated header avoids
the ordering mess and implicit inclusion that shows up otherwise.
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The gdb/callback.h & gdb/remote-sim.h headers have nothing to do with
gdb and are really definitions for the libsim API under the sim/ tree.
While gdb uses those headers as a client, it's not specific to it. So
create a new sim/ namespace and move the headers there.
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This is needed when building for a target whose ar & ranlib are
incompatible with the current build system. For example, building
for Windows on a Linux system.
Then manually import the automake rule for libigen.a, but tweak the
tool variables to use the FOR_BUILD variants.
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A lot of this code predates the bfd_vma format define, so we have a
random mix of casts to known types so we can printf the value. Use
the BFD_VMA_FMT that now exists to simplify and reliability output
across different build configs.
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While libiberty provides a definition for this for systems that lack
the function (e.g. Windows), it doesn't provide a prototype. So add
our own local copy in the one file that uses the func.
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Force this on for all ports. We have a few common models that can
be used, so make them generally available. If the port doesn't use
any hardware (the default), then behavior is unchanged.
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This updates the sim so that it unconditionally uses sys/time.h. This
is in agreement with existing code, and a recent change to BFD.
I also think that sys/times.h is never needed by the sim, so this
patch removes the check and the one spot that was conditionally
including it.
sim/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* m4/sim_ac_common.m4 (SIM_AC_COMMON): Don't check for sys/time.h
or sys/times.h.
sim/aarch64/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/arm/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/avr/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/bfin/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/bpf/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/common/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* sim-utils.c: Update includes.
sim/cr16/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* simops.c: Update includes.
* configure, config.in: Rebuild.
sim/cris/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* rvdummy.c: Update includes.
* dv-rv.c: Update includes.
* configure, config.in: Rebuild.
sim/d10v/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/erc32/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/example-synacor/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/frv/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/ft32/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/h8300/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/iq2000/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/lm32/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/m32c/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/m32r/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/m68hc11/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/mcore/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/microblaze/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/mips/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/mn10300/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/moxie/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/msp430/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/or1k/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/ppc/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* mon.c: Update includes.
* emul_unix.c: Update includes.
(do_unix_gettimeofday): Update condition.
sim/pru/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/riscv/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/rl78/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/rx/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
sim/sh/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* interp.c: Update includes.
* configure, config.in: Rebuild.
sim/v850/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure, config.in: Rebuild.
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GDB has required GNU make for quite some time, and this patch applies
this approach to the sim as well. Requiring GNU make means that
automatic dependency tracking can be simple and reliable, and it also
makes other refactorings simpler.
sim/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* m4/sim_ac_common.m4 (SIM_AC_COMMON): Don't check for make.
sim/aarch64/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/arm/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/avr/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/bfin/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/common/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* Make-common.in: Require GNU make.
sim/cr16/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/cris/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/d10v/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/erc32/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/example-synacor/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/frv/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/ft32/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/h8300/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/iq2000/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/lm32/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/m32c/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/m32r/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/m68hc11/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/mcore/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/microblaze/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/mips/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/mn10300/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/moxie/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/msp430/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/or1k/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/pru/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/riscv/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/rl78/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/rx/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/sh/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
sim/v850/ChangeLog
2021-04-22 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
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My scripts weren't updated to use new -I../m4 as the first arg.
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When building with clang, we get:
error: unknown warning option '-Wmissing-parameter-type' [-Werror,-Wunknown-warning-option]
This is because clang only warns by default when encountering an unknown
warning option, and the probe for supported warning flags is done
without -Werror. All flags are therefore accepted by configure, but
then it breaks when actually compiling a source file with -Werror.
This is equivalent to this commit in gdb:
3e019bdc20eb81b91ab5bc774386201b874c0bac
gdb: Use -Werror when checking for (un)supported warning flags
We then see some other compilation errors when building with clang and
-Werror, they can be dealt with later.
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This avoids duplicate tests for functions between common m4, arches,
and any other sources that would trigger func tests.
Also manually delete known duplicate function tests between the m4,
bfin, and v850 ports.
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Add a READLINE_CFLAGS variable which adds the include path to the
in-tree readline when using the in-tree readline library.
sim/erc32/ChangeLog:
* Makefile.in (READLINE_SRC, READLINE_CFLAGS): Add.
(SIM_EXTRA_CFLAGS): Add READLINE_CFLAGS.
* configure: Rebuild.
* configure.ac (READLINE_CFLAGS): Add.
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This updates various parts of the sim to include missing system
headers. I made the includes unconditional, because other parts of
the tree are already doing this.
2021-04-08 Tom Tromey <tom@tromey.com>
* traps.c: Include stdlib.h.
* cris-tmpl.c: Include stdlib.h.
sim/erc32/ChangeLog
2021-04-08 Tom Tromey <tom@tromey.com>
* func.c: Include sys/time.h.
sim/frv/ChangeLog
2021-04-08 Tom Tromey <tom@tromey.com>
* traps.c: Include stdlib.h.
* registers.c: Include stdlib.h.
* profile.c: Include stdlib.h.
* memory.c: Include stdlib.h.
* interrupts.c: Include stdlib.h.
* frv.c: Include stdlib.h.
* cache.c: Include stdlib.h.
sim/iq2000/ChangeLog
2021-04-08 Tom Tromey <tom@tromey.com>
* iq2000.c: Include stdlib.h.
sim/m32r/ChangeLog
2021-04-08 Tom Tromey <tom@tromey.com>
* traps.c: Include stdlib.h.
* m32r.c: Include stdlib.h.
sim/ppc/ChangeLog
2021-04-08 Tom Tromey <tom@tromey.com>
* emul_unix.c: Include time.h.
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This changes all the non-generated (hand-written) code in sim to use
"new" (post-K&R) style function definitions.
2021-04-08 Tom Tromey <tom@tromey.com>
* bpf.c (bpf_def_model_init): Use new-style declaration.
sim/common/ChangeLog
2021-04-08 Tom Tromey <tom@tromey.com>
* cgen-utils.c (RORQI, ROLQI, RORHI, ROLHI, RORSI, ROLSI): Use
new-style declaration.
sim/erc32/ChangeLog
2021-04-08 Tom Tromey <tom@tromey.com>
* sis.c (run_sim, main): Use new-style declaration.
* interf.c (run_sim, sim_open, sim_close, sim_load)
(sim_create_inferior, sim_store_register, sim_fetch_register)
(sim_info, sim_stop_reason, flush_windows, sim_do_command): Use
new-style declaration.
* help.c (usage, gen_help): Use new-style declaration.
* func.c (batch, set_regi, set_rega, disp_reg, limcalc)
(reset_stat, show_stat, init_bpt, int_handler, init_signals)
(disp_fpu, disp_regs, disp_ctrl, disp_mem, dis_mem, event)
(init_event, set_int, advance_time, now, wait_for_irq, check_bpt)
(reset_all, sys_reset, sys_halt): Use new-style declaration.
* float.c (get_accex, clear_accex, set_fsr): Use new-style
declaration.
* exec.c (sub_cc, add_cc, log_cc, dispatch_instruction, fpexec)
(chk_asi, execute_trap, check_interrupts, init_regs): Use
new-style declaration.
* erc32.c (init_sim, reset, decode_ersr, mecparerror)
(error_mode, decode_memcfg, decode_wcr, decode_mcr, sim_halt)
(close_port, exit_sim, mec_reset, mec_intack, chk_irq, mec_irq)
(set_sfsr, mec_read, mec_write, init_stdio, restore_stdio)
(port_init, read_uart, write_uart, flush_uart, uarta_tx)
(uartb_tx, uart_rx, uart_intr, uart_irq_start, wdog_intr)
(wdog_start, rtc_intr, rtc_start, rtc_counter_read)
(rtc_scaler_set, rtc_reload_set, gpt_intr, gpt_start)
(gpt_counter_read, gpt_scaler_set, gpt_reload_set, timer_ctrl)
(memory_read, memory_write, get_mem_ptr, sis_memory_write)
(sis_memory_read): Use new-style declaration.
sim/frv/ChangeLog
2021-04-08 Tom Tromey <tom@tromey.com>
* sim-if.c (sim_open, frv_sim_close, sim_create_inferior): Use
new-style declaration.
sim/h8300/ChangeLog
2021-04-08 Tom Tromey <tom@tromey.com>
* compile.c (cmdline_location): Use new-style declaration.
sim/iq2000/ChangeLog
2021-04-08 Tom Tromey <tom@tromey.com>
* sim-if.c (sim_open, sim_create_inferior): Use new-style
declaration.
* iq2000.c (fetch_str): Use new-style declaration.
sim/lm32/ChangeLog
2021-04-08 Tom Tromey <tom@tromey.com>
* sim-if.c (sim_open, sim_create_inferior): Use new-style
declaration.
sim/m32r/ChangeLog
2021-04-08 Tom Tromey <tom@tromey.com>
* sim-if.c (sim_open, sim_create_inferior): Use new-style
declaration.
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sim/erc32 uses an obsolete path to the in-tree build of readline.
readline was moved into a subdirectory some time ago. This patch
fixes the problem. Tested by rebuilding.
sim/erc32/ChangeLog
2021-04-05 Tom Tromey <tromey@adacore.com>
* configure: Rebuild.
* configure.ac (READLINE): Adjust in-tree value.
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The toplevel, common, and igen dirs all have their own code for
setting up toolchain settings. Unify all of that in a new macro.
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All the scripts were using this implicitly already, so there's no real
change for them, but we want to call it explicitly as the CPP tool is
used to generate nltvals.def.
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We don't need a variable to add a dependency to the "all" target, and
having one doesn't really add value. Switch to the target directly for
the few ports that actually use this.
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This file is quite large and is getting unmanageable. Split it apart
to follow aclocal best practices by putting one-macro-per-file. There
shouldn't be any real functional changes here as can be seen in the
configure script regens.
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Rather than hand maintain m4 includes in various autotool files,
use AC_CONFIG_MACRO_DIRS to declare the relevant search paths.
This simplifies the code, makes it more robust, and cleans out
unused logic from configure.
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These ports don't use the common sim core, so they weren't providing
a sim_memory_map for gdb, so they failed to link with the new memory
map logic added for the sim. Add stubs to fix.
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These settings might have made sense in darker compiler times, but I
think they're largely obsolete now. Looking through the values that
get used in HDEFINES, it's quite limited, and configure itself should
handle them. If we still need something, we can leverage standard
autoconf macros instead, after we get a clear user report.
TDEFINES was never set anywhere and was always empty, so prune that.
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We want all ports to opt into extra warnings as the default compiler
settings lets a lot slide. Opt all the ports that haven't already in
to the warning system. None of them build with -Werror, so disable
that by default. Hopefully someone finds these important enough to
start fixing at some point.
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Since we require C11 now, we can assume many headers exist, and
clean up all of the conditional includes. It's not like any of
this code actually accounted for the headers not existing, just
whether we could include them.
The strings.h cleanup is a little nuanced: it isn't in C11, but
every use of it in the codebase will include strings.h only if
string.h doesn't exist. Since we now assume the C11 string.h
exists, we'll never include strings.h, so we can delete it.
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This was purged from the tree when we upgraded to autoconf-2.69,
but a few references in the sim tree were missed.
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With GDB requiring a C++11 compiler now, this hopefully shouldn't
be a big deal. It's been 10 years since C11 came out, so should
be plenty of time to upgrade.
This will allow us to start cleaning up random header logic and
many of our non-standard custom types.
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I ran
for i in $(find . -name configure.ac); do pushd $(dirname $i); autoreconf -vf; popd; done
to re-generate all automake/autoconf files throughout the repo (with
upstream autoconf 2.69 and automake 1.15.1). These were the changes
that came out. I am pushing this as obvious.
libdecnumber/ChangeLog:
* aclocal.m4, configure: Re-generate.
sim/bfin/ChangeLog:
* aclocal.m4, configure: Re-generate.
sim/erc32/ChangeLog:
* configure: Re-generate.
sim/mips/ChangeLog:
* configure: Re-generate.
sim/testsuite/ChangeLog:
* configure: Re-generate.
Change-Id: I97335c09972d25cc5f6fd8da4db4ffe4a0348787
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