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- AC_HELP_STRING by AS_HELP_STRING
https://www.gnu.org/savannah-checkouts/gnu/autoconf/manual/autoconf-2.72/autoconf.html#index-AC_005fHELP_005fSTRING-1
Except for the ifdef in lib-prefix.m4, make the defun of AC_LIB_ARG_WITH
unconditional.
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Leverage this common logic to find all the libiberty settings rather
than duplicate it ourselves.
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Minor reduction in boilerplate here. No real functional changes.
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Now that all ports have been merged to the top-level, we no longer need
this framework to pass settings down to sub-makefiles. Delete it all.
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This removes all recursive makes from the ppc port.
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No port relies on this anymore, so we can scrub it all.
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The objects are still compiled in the subdir, but the creation of the
archive itself is in the top-level. This is a required step before we
can move compilation itself up, and makes it easier to review.
The downside is that each object compile is a recursive make instead of
a single one. It adds some overhead, so it's not great, but it shouldn't
be a big deal. This will go away once compilation is hoisted up.
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Now that the ppc configure script is just namespaced options, we can
move it to ppc/acinclude.m4 and include it directly in the top-level
configure script and kill off the last subdir configure script.
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Reuse the bfd/development.sh script like most other project to
determine whether the current source tree is a dev build (e.g.
git) or a release build, and disable the warnings for releases.
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Now that all ports (that use igen) build in the top-level and depend
on igen, we can move the conditional logic out of configure. We also
switch from noinst_LIBRARIES to EXTRA_LIBRARIES so that the library
is only built when needed (i.e. the igen tool is used).
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Now that all the ports compile some C files in their arch dirs, Automake
guarantees creating the depdir for us, so we can drop our configure hack.
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Now that all (other than ppc) build in the top-level, this logic is
unused, so punt it all.
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Now that all (other than ppc) build in the top-level, we can disable
the recursive make calls to them. This speeds things up nicely.
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This commit moves getopt declaration checker originally in sim/
configure.ac; added in commit 340aa4f6872c ("sim: Check known getopt
definition existence") to sim/m4/sim_ac_platform.m4 (inside the
SIM_AC_PLATFORM macro).
It also regenerates configuration files using the maintainer mode.
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Rather than rely on SIM_SUBDIRS being set, add a dedicated variable
to track whether to enable the sim. While the current code works
fine, it won't work as we remove the recursive make logic (i.e. the
SIM_SUBDIRS variable).
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Rather than define our own hack for emitting an include statement,
use the existing Automake include variables. These have the nice
side-effect of being more portable.
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At some point we want this to work, but it's not easy to test if
the configure option isn't available. Restore it, but keep the
default off.
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Now that there is no subdir configure script, we can clean up some
logic that was spread between the files.
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This is the last bit of logic that exists in the mips configure
script, so move it to the top-level configure to kill it off.
We still have to move the Makefile.in igen logic to local.mk,
but this is a required first step for that.
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We want to kill off mips/configure entirely. Move this small part
out now to get started.
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We've been using this only to set the default word size to 32. We
can easily move this into the makefile via a -D compiler flag and
clean up the build logic quite a bit.
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We've been using this only to set the default word size to 32. We
can easily move this into the makefile via a -D compiler flag and
clean up the build logic quite a bit.
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We've been using this only to set the default word size to 32. We
can easily move this into the makefile via a -D compiler flag and
clean up the build logic quite a bit.
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We've been using this only to set the default word size to 64. We
can easily move this into the makefile via a -D compiler flag and
clean up the build logic quite a bit.
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We've been using this only to set the default word size to 32-vs-64
based on the $target. We can easily merge this with the top-level
configure script to clean things up a bit.
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This was being skipped for ports that had a recursive configure,
but we want it for them too.
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The install code was using $SUBDIRS to track all enabled arches. This
works, but isn't great if we want to add a subdir that isn't an arch
port, or as we merge the subdirs into the top-level. Create a new var
explicitly to track the list of enabled arches instead.
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Automake will run each subdir individually before moving on to the next
one. This means that the linking phase, a single threaded process, will
not run in parallel with anything else. When we have to link ~32 ports,
that's 32 link steps that don't take advantage of parallel systems. On
my really old 4-core system, this cuts a multi-target build from ~60 sec
to ~30 sec. We eventually want to move all compile+link steps to this
common dir anyways, so might as well move linking now for a nice speedup.
We use noinst_PROGRAMS instead of bin_PROGRAMS because we're taking care
of the install ourselves rather than letting automake process it.
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We aren't using this just yet, but we will, so make it available to
building of common sim files.
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Clang generates a warning if there is a function declaration/definition
with zero arguments. Such declarations/definitions without a prototype (an
argument list) are deprecated forms of indefinite arguments
("-Wdeprecated-non-prototype"). On the default configuration, it causes a
build failure (unless "--disable-werror" is specified).
include/getopt.h defines some getopt function definitions but one of them
has a form "extern int getopt ();". If this form is selected in
include/getopt.h, Clang generates a warning and the build fails by default.
In really old environments, this getopt definition with no arguments is
necessary (because the definition may change between environments).
However, this definition is now a cause of problems on modern environments.
A good news is, this definition is not always selected (e.g. if used by
binutils/*.c). This is because configuration scripts of binutils, gas,
gprof and ld tries to find known definition of getopt function is used and
defines HAVE_DECL_GETOPT macro. If this macro is defined when getopt.h is
included, a good form of getopt is used and Clang won't generate warnings.
This commit adds a modified portion of ld/configure.ac to find the known
getopt definition. If we could find one (and we *will* in most modern
environments), we don't need to rely on the deprecated definition.
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Make it easy to load the common gdbinit script even when running in
the arch/ subdir instead of the top-level sim dir.
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This was left in subdirs because of the dynamic cgen usage. However,
we can move this breakpoint call to runtime and let gdb detect whether
the symbol exists.
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Gas does not support multitarget builds -- it still only supports
a single input & output format. ld is a bit better, but requires
manual flags to select the right output. This makes it impossible
to run the complete testsuite in a multitarget build.
To address this limitation, create a suite of FOR_TARGET variables
so these can be set to precompiled as & ld programs. It requires
a bit of setup ahead of time, but it's a one-time cost, and makes
running the full testsuite at once much easier.
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If we aren't building any sims, don't install the sim headers as they
won't be useful to anyone.
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This will make it easy to include arch-specific logic (build files)
as we migrate ports to the common top level build.
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Fix sorting of the list, and update the globs to match the list used
in gdb's configure script.
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Move these options up to the common dir so we only test & export
them once across all ports.
The setting only affects igen based ports, and they were turning
this on by default, so keep the default in place.
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Now that the traps code has been unified, the configure script has no
unique logic in it, so it can be merged into the single common one.
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Now that the scache logic has been migrated into the common code,
there's nothing specific in these configure scripts, so merge them
into the common one.
The frv unique logic can be moved to a dedicated include and merged
in the common configure since the flag has been scoped to the arch.
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The cgen scache module is enabled by every cgen port, and with the
same default value of 16k (which matches the common default value).
Let's pull this option out of the individual ports (via CPPFLAGS)
and into the common code (via config.h).
The object itself is compiled only for cgen ports atm, so that part
doesn't change. The scache code is initialized dynamically via the
modules.c logic. That's why the profile code needs an additional
CGEN_ARCH check.
This will allow us to collapse arch configure files more. Merging
the source files will require more future work, but integrating the
cgen & non-cgen worlds itself will take a lot.
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Now that the model logic has been migrated into the runtime, there's
nothing specific in the bfin configure code, so merge it into the
common one.
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This kills off another compile-time option by moving the setting to
the individual arch runtimes. This will allow dynamic selection by
the arch when doing a single build with multiple arches.
The sim_model_init rework is a little funky. In the past it was
disabled entirely if no default model was set. We maintain the
spirit of the logic by gating the fallback logic on whether the
port has defined any models.
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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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We rewrite srcdir in subdir Makefiles that we generate from the common
parent dir since it points to the parent dir. Since @srcdir@ can be a
variety of formats (relative & absolute), switch to @abs_srcdir@ which
is a lot easier to adjust. Our use of srcdir in here should handle it.
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Move the unique configure flag to acinclude.m4 so the common code
can include it, then delete the rx 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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Move these options up to the common dir so we only test & export
them once across all ports. It makes it available to targets that
aren't cgen-based, but those will just ignore the settings, so it
shouldn't be an issue.
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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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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.
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