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2022-04-04sim: fixes for libopcodes styled disassemblerAndrew Burgess1-1/+13
In commit: commit 60a3da00bd5407f07d64dff82a4dae98230dfaac Date: Sat Jan 22 11:38:18 2022 +0000 objdump/opcodes: add syntax highlighting to disassembler output I broke several sim/ targets by forgetting to update their uses of the libopcodes disassembler to take account of the new styled printing. These should all be fixed by this commit. I've not tried to add actual styled output to the simulator traces, instead, the styled print routines just ignore the style and print the output unstyled.
2022-01-01Automatic Copyright Year update after running gdb/copyright.pyJoel Brobecker12-12/+12
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
2021-12-04sim: m32c/rl78: drop redundant -Wall settingsMike Frysinger1-2/+0
We already turn these on in the configure script.
2021-10-31sim: rl78: drop obsolete manual dependency rulesMike Frysinger1-15/+0
We have GNU make generate these for us automatically now, so there's no need to manually specify any deps.
2021-08-17sim: rename ChangeLog files to ChangeLog-2021Mike Frysinger1-0/+0
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.
2021-06-22sim: drop configure scripts for simple portsMike Frysinger4-2912/+6
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.
2021-06-21sim: unify hardware settingsMike Frysinger3-54/+5
Move these options up to the common dir so we only test & export them once across all ports.
2021-06-21sim: hw: rework configure option & device selectionMike Frysinger2-38/+30
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.
2021-06-20sim: delete SIM_AC_COMMON macroMike Frysinger4-5/+5
Now that we've moved all content out to the common file, this is empty and can be deleted it entirely.
2021-06-20sim: unify general maintainer settingsMike Frysinger2-124/+0
Move these options up to the common dir so we only test & export them once across all ports. This takes a page from the cgen maint logic to make $(MAINT) work for non-automake Makefiles which will allow us to merge it together.
2021-06-20sim: move sim-inline to the common codeMike Frysinger3-36/+5
This will allow us to build the common code with the same inline settings as the arch subdirs, and only do the test once.
2021-06-19sim: unify gettext/intl probing logicMike Frysinger2-85/+0
Move these options up to the common dir so we only test & export them once across all ports.
2021-06-19sim: unify toolchain dependency logicMike Frysinger2-1109/+1
The common dir is already probing this info since it's using automake, so pass it down to the subdirs so they don't have to probe it at all.
2021-06-19sim: unify toolchain probing logicMike Frysinger2-1360/+26
Move these options up to the common dir so we only test & export them once across all ports.
2021-06-19sim: unify bfd library dependency testing logicMike Frysinger3-7691/+6
Move these options up to the common dir so we only test & export them once across all ports.
2021-06-19sim: unify various library testing logicMike Frysinger2-141/+6
Move these options up to the common dir so we only test & export them once across all ports.
2021-06-18sim: unify -Werror build settingsMike Frysinger3-112/+6
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.
2021-06-18sim: move -Werror disabling to MakefileMike Frysinger2-5/+8
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.
2021-06-17sim: overhaul & unify endian settings managementMike Frysinger2-6/+6
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.
2021-06-16sim: drop obsolete AC_EXEEXT callMike Frysinger2-2/+4
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.
2021-06-16sim: drop arch-specific config.hMike Frysinger3-280/+47
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.
2021-06-15sim: move dv-sockser define to CPPFLAGSMike Frysinger3-8/+5
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.
2021-06-12sim: unify bug & package settingsMike Frysinger3-87/+2
Move these options up to the common dir so we only test & export them once across all ports. The AC_INIT macro does a lot of the heavy lifting already which allows further simplification.
2021-06-12sim: unify debug/stdio/trace/profile build settingsMike Frysinger2-150/+2
Move these options up to the common dir so we only test & export them once across all ports. The ppc code needs a little extra care with its trace settings as it's not exactly the same API as the common code. The other knobs are the same though.
2021-06-12sim: unify environment build settingsMike Frysinger3-32/+2
Move the --sim-enable-environment option up to the common dir so we only test & export it once across all ports.
2021-06-12sim: unify assert build settingsMike Frysinger4-28/+6
Move the --sim-enable-assert option up to the common dir so we only test & export it once across all ports.
2021-06-12sim: unify platform function & header testsMike Frysinger3-552/+6
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.
2021-05-23sim: rl78: rename open symbol to avoid collisionsMike Frysinger2-4/+10
If the header files define open(), make sure our local open var doesn't shadow it.
2021-05-16sim: switch config.h usage to defs.hMike Frysinger8-7/+23
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.
2021-05-16sim: riscv: move __int128 check to configureMike Frysinger3-2/+19
2021-05-14sim: create header namespaceMike Frysinger4-5/+11
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.
2021-05-05sim: m32c/rl78/rx: fix command parsingMike Frysinger2-29/+20
Use buildargv to avoid writing to const memory and freeing invalid pointers, and to avoid doing any string parsing ourselves.
2021-05-04sim: rl78: clean up various warningsMike Frysinger9-17/+34
A random grab bag of minor fixes to enable -Werror for this port. Fix local prototypes for a bunch of functions (e.g. adding static). Add missing includes for missing prototypes. Move local variable decls from the middle of functions to the top of the scope. Fix a logic error when processing commands where p was reassigned to cmd and then has its leading whitespace scanned a 2nd time. Handle short reads with fread().
2021-05-04sim: add support for build-time ar & ranlibMike Frysinger2-2/+14
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.
2021-05-04sim: clean up bfd_vma printingMike Frysinger2-6/+16
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.
2021-05-01sim: nrun: add local strsignal prototypeMike Frysinger3-2/+12
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.
2021-04-26sim: enable hardware support by defaultMike Frysinger4-6/+121
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.
2021-04-22Do not check for sys/time.h or sys/times.hTom Tromey3-14/+6
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.
2021-04-22Remove and modernize dependencies in simTom Tromey1-0/+5
Some spots in the sim build used manual dependencies, and some spots did a compilation by hand but did not use the automatic dependency tracking code. This patch fixes these spots. I didn't touch ppc, because it doesn't use the common Makefile code. I also didn't touch objects that are for the build machine, because automatic dependencies don't work for those. sim/arm/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (armemu26.o, armemu32.o): Use COMPILE and POSTCOMPILE. sim/bpf/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (arch.o, cpu.o, sim-if.o, traps.o): Remove. (mloop-le.o, mloop-be.o, decode-le.o, decode-be.o, sim-le.o) (sim-be.o): Use COMPILE and POSTCOMPILE. (SIM_EXTRA_DEPS): Add eng-le.h, eng-be.h. sim/cr16/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (SIM_EXTRA_DEPS): New variable. (simops.o): Remove. sim/cris/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (sim-if.o, dv-cris.o, dv-rv.o, arch.o, traps.o) (devices.o, crisv10f.o, mloopv10f.o, cpuv10.o, decodev10.o) (modelv10.o, crisv32f.o, mloopv32f.o, cpuv32.o, decodev32.o) (modelv32.o): Remove. (SIM_EXTRA_DEPS): Add engv10.h. sim/d10v/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (SIM_EXTRA_DEPS): New variable. (simops.o): Remove. sim/frv/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (arch.o, devices.o, frv.o, traps.o, pipeline.o) (interrupts.o, memory.o, cache.o, options.o, reset.o) (registers.o, profile.o, profile-fr400.o, profile-fr450.o) (profile-fr500.o, profile-fr550.o, sim-if.o, mloop.o, cpu.o) (decode.o, sem.o, model.o): Remove. (SIM_EXTRA_DEPS): Add eng.h. sim/iq2000/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (sim-if.o): Remove. (arch.o): Use COMPILE and POSTCOMPILE. (devices.o, iq2000.o, mloop.o, cpu.o, decode.o, sem.o, model.o): Remove. (SIM_EXTRA_DEPS): Add eng.h. sim/lm32/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (arch.o, traps.o, sim-if.o, lm32.o, mloop.o) (cpu.o, decode.o, sem.o, model.o): Remove. (SIM_EXTRA_DEPS): Add eng.h. sim/m32r/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (sim-if.o, arch.o, traps.o, traps-linux.o) (devices.o, m32r.o, mloop.o, cpu.o, decode.o, sem.o, model.o) (m32rx.o, mloopx.o, cpux.o, decodex.o, semx.o, modelx.o) (m32r2.o, mloop2.o, cpu2.o, decode2.o, sem2.o, model2.o): Remove. (SIM_EXTRA_DEPS): Add eng.h, engx.h, eng2.h. sim/m68hc11/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (interp.o): Remove. sim/mips/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (interp.o, m16run.o, micromipsrun.o, multi-run.o): Remove. (SIM_EXTRA_DEPS): New variable. sim/mn10300/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (interp.o): Remove. (idecode.o op_utils.o semantics.o): Remove. sim/or1k/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (mloop.o, arch.o, cpu.o, decode.o, sem.o) (sem-switch.o, model.o): Remove. sim/rl78/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (err.o, fpu.o, gdb-if.o, load.o, main.o, mem.o) (reg.o, rl78.o): Remove. sim/rx/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (err.o, fpu.o, gdb-if.o, load.o, main.o, mem.o) (misc.o, reg.o, rx.o, syscalls.o, trace.o): Remove. sim/sh/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (SIM_EXTRA_DEPS): New variable. (interp.o): Remove. sim/v850/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (interp.o, simops.o, semantics.o): Remove.
2021-04-22Require GNU makeTom Tromey2-67/+6
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.
2021-04-21sim: regen against sim/m4/Mike Frysinger2-7/+11
My scripts weren't updated to use new -I../m4 as the first arg.
2021-04-21sim: use -Werror when probing for supported warning flagsSimon Marchi2-1/+5
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.
2021-04-20sim: rl78/rx: drop unnecessary getopt.h probingMike Frysinger5-14/+8
Since getopt.h is provided by libiberty, there's no need to probe for a system version of it. Plus we already assume it exists in other parts of the sim.
2021-04-18sim: switch to AC_CHECK_HEADERS_ONCEMike Frysinger3-62/+54
This avoids duplicate tests for headers between common m4, arches, and any other sources that would trigger header tests.
2021-04-18sim: switch to AC_CHECK_FUNCS_ONCE & merge a littleMike Frysinger2-25/+52
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.
2021-04-02sim: unify toolchain settingsMike Frysinger3-153/+162
The toplevel, common, and igen dirs all have their own code for setting up toolchain settings. Unify all of that in a new macro.
2021-02-28sim: set up build-time compiler settingsMike Frysinger1-9/+10
Some sim dirs were already setting up CFLAGS_FOR_BUILD in inconsistent ways. Move it to a common place for reuse.
2021-02-28sim: use AC_CHECK_TOOL to find arMike Frysinger1-3/+93
Rather than require $AR be set and then default to `ar`, use the standard AC_CHECK_TOOL helper to find a good prefixed tool. In practice this shouldn't change much as we seem to have macros in the tree that were already setting it up, but we shouldn't rely on that implicitly.
2021-02-28sim: require AC_PROG_CPP explicitlyMike Frysinger2-140/+145
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.
2021-02-21sim: common: split up acinclude.m4 into individual m4 filesMike Frysinger4-14/+35
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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