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The _open() C function is declared as having variable arguments in
newlib, so second and third arguments are passed on stack. Add code to
move them into registers, since that's where the PRU simulator expects
them.
Issue was exposed by the GCC test gcc.c-torture/execute/fprintf-2.c,
which relies on tmpnam implementation to pass correct flags to _open.
Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>
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I've had this lying around for probably a year or two at this point.
It just changes all the instance of "errno" from a common symbol to an
extern. I can't offhand recall where the actual definition is, but it
certainly exists in the generic code.
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Seems that some versions of texinfo require the @menu to have all
entries at the top level, so add the new build one to it.
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Avoid a recursive make to speed things up a bit.
This drops the header install logic because the lm32/ subdir doesn't
actually have any header files to install.
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It's functionally the same, but the configure.ac code is simpler and
less boiler plate duplicated.
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This is a bit of an abbreviated form of what's in the Newlib subdir,
but with emphasis on Libgloss-specific parts, and anything unique to
it. I haven't put too much effort in.
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Now that we require Automake 1.15, we can use this macro rather than
set the tool up ourselves. The current code doesn't properly search
for a prefixed ar tool as-is.
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The multi-build.in file in libgloss duplicates common multilib logic
in the root source tree. Document it a bit, and rename the rule so
it doesn't clash with the common multi-do rule. This will let us use
them in the same makefile so we can merge aarch64/ & arm/ up (as the
only targets that use this local multi-build.in atm).
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When merging iq2000 up a level, it included a partial conversion to
AM_PROG_AS in the common directory. Finish it for all directories
to kill off the custom LIB_AM_PROG_AS which we no longer need since
we require Automake 1.15 now.
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Now that we use AC_NO_EXECUTABLES, and we require a recent version of
autoconf, we don't need to define our own copies of these macros. So
switch to the standard AC_PROG_CC.
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Move the minor sparc-specific logic to a dedicated variable so we can
merge its configure logic up a level.
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Use AM_MAINTAINER_MODE so devs have to opt-in to automatic rebuilds
of autotools. This matches what newlib (and most every other GNU
toolchain package) does with automake.
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Remove dependency on __sdidinit member of struct _reent to check
object initialization. Like __sdidinit, the __cleanup member of
struct _reent is initialized in the __sinit() function. Checking
initialization against __cleanup serves the same purpose and will
reduce overhead in the __sfp() function in a follow up patch.
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The README has such little info in it, so point people to the much
more extensive porting manual.
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Move the minor mips-specific logic to a dedicated file & namespace
them so we can merge its configure logic up a level.
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Move the minor wince-specific logic to a dedicated file & namespace
them so we can merge its configure logic up a level. The makefile
is a bit tricky, but maybe it still works.
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We don't want libgloss building against C library headers that happened
to be installed with the toolchain, so add -nostdinc to the build. We
still need access to the compiler internal headers, so probe those and
include them via -isystem. This uses a similar probing style as glibc,
which has used it for over a decade, so it should be safe & stable.
This should prevent any latent bugs due to testing with a toolchain that
is fully configured & installed already.
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The libsys/configure script isn't doing anything useful, so merge
the logic up to the parent dir.
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The cpu-init/configure script isn't doing anything useful, so merge
the logic up to the parent dir. This is how the arm/ tree integrates
its cpu-init/ subdir too.
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Move the minor mn10300-specific logic to a dedicated file & namespace
them so we can merge its configure logic up a level. part_specific_obj
wasn't used anywhere (looks like copy & paste left over from mips), so
drop it entirely.
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The mn10200-specific logic (setting up part_specific_obj) isn't used
by the build anywhere -- looks like copy & paste left overs from mips.
So punt that & merge the target_makefile_frag_path up to the top-level.
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Move the minor m68k-specific logic to a dedicated file & namespace them
so we can merge its configure logic up a level.
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Use this macro rather than hacking up the LDFLAGS settings. This will
make it easier to merge the logic into the top-level which is already
using AC_NO_EXECUTABLES.
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Move the minor mcore-specific logic to a dedicated file & namespace them
so we can merge its configure logic up a level.
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Move the minor moxie-specific logic to a dedicated file & namespace them
so we can merge its configure logic up a level.
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Move the minor i386-specific logic to a dedicated variable so we can
merge its configure logic up a level.
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Collapse these 3 settings into one variable to make it easier to
merge into the top-level.
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This is used in a bunch of places, but nowhere is it ever set, and
nowhere can I find any documentation, nor can I find any other project
using it. So delete the flags to simplify.
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No functional changes here, just fix warnings the compiler noticed.
bfin/syscalls.c:156:13: warning: conflicting types for built-in function ‘memset’
bfin/syscalls.c: In function ‘_unlink’:
bfin/syscalls.c:193:3: warning: passing argument 2 of ‘do_syscall’ discards qualifiers from pointer target type
bfin/syscalls.c:33:1: note: expected ‘void *’ but argument is of type ‘const char *’
bfin/syscalls.c: In function ‘_exit’:
bfin/syscalls.c:104:1: warning: ‘noreturn’ function does return
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Compiling the basiccrt .S files missed an include to the local bfin/
headers causing the build to break when installing anew.
Reported-by: Jeff Law <jeffreyalaw@gmail.com>
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Now that the csky-specific logic ($DO) has been deleted, we can fold
it up a level easily enough.
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Avoid a recursive make to speed things up a bit.
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Avoid a recursive make to speed things up a bit.
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Avoid a recursive make to speed things up a bit.
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It looks like csky was created by copying & pasting the m68k port,
but m68k-specific stuff was left over related to target selection.
The makefile doesn't do anything with it, so punt it all to make
the file much simpler.
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Avoid a recursive make with this tiny subdir to speed things up a bit.
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The top level dir isn't doing anything interesting, just recursing into
subdirs. So this change isn't terribly exciting. But it sets us up for
doing more fun stuff in follow up commits.
[TODO] Check test targets
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The common $DO variable is used by the multilib logic to control which
target to multiplex. But the m68k subdir is also using $DO to control
which target (m68k or fido) to build. As we flatten things to automake,
this conflict shows up and breaks the m68k build. Just rename the m68k
variable to something unique to avoid it.
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Commit 754f8def0dfeeb43afa5a96ad1971fd0ef02c419 ("libgloss: merge stub
arch configure scripts up a level") had an unintended side-effect: the
MULTI* variables in the Makefiles no longer get rewritten at configure
time in the subdirs. Only the top-level Makefile still is. This is
because the configure integration of multilib (both the way libgloss
did it manually and the way AM_ENABLE_MULTILIB does it) only rewrites
"Makefile".
We could try propagating the MULTI* variables from libgloss/Makefile
down via FLAGS_TO_PASS, but this runs into a limitation: the multilib
logic uses this variable to switch from libgloss/ to each multilib
libgloss/, and libgloss uses this variable to enter subdirectories.
The latter we want, but the former ends up overridding the Makefile
environment. We could side-step that with some GNU Make directives,
but it feels like we're getting a bit too deep down the rabbit hole.
Instead, let's call config-ml.in ourselves for each subdir Makefile
that the top-level configure generates. This restores the previous
behavior and should be less risky in general.
This logic should be unnecessary when/if we switch libgloss over to
a non-recursive Automake build (since all build+install settings are
in the single libgloss/Makefile), but it'll be a while before we can
land that rework, so let's fix this up now.
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The current libgloss multilib logic is almost exactly the same as the
config/multi.m4, and the differences should be minor, so switch over
to that to delete custom logic on ourside.
The insertions here look larger and that's because none of the scripts
were declaring --enable-multilib explicitly even though they checked the
flag and changed behavior.
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Merge the subdir configure scripts up that only existed to set unique
values for their target/host makefile_frags.
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These subdirs have unique configure scripts to do some compiler tests.
The checks should work for all targets, so hoist them up to the top
libgloss dir. This should allow us to delete these subdir configure
scripts.
It means the top-level gains autoheader support, but that's fine.
It wasn't exporting any defines previously (i.e. -D into CPPFLAGS),
and all of the defines it now exports are only used by code in the
libnosys subdir which was expecting to have a config.h.
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Depending on the processing order of rules when installing in parallel,
these install rules might be processed before some other rule happens
to create the respective dirs. Make sure each one creates the needed
dirs before installing into them.
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For arches that had their configure merged into the top-level, make
sure they don't still depend on a subdir configure script that no
longer exists. I had cleaned this up for some of the subdirs, but
these got lost in the shuffle.
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references in libgloss in the same way.
Author: Mike Frysinger <vapier@gentoo.org>
Date: Mon Jan 17 22:20:20 2022 -0500
newlib: internalize HAVE_INITFINI_ARRAY
This define is only used by newlib internally, so stop exporting it
as HAVE_INITFINI_ARRAY since this can conflict with defines packages
use themselves.
We don't really need to add _ to HAVE_INIT_FINI too since it isn't
exported in newlib.h, but might as well be consistent here.
We can't (easily) add this to newlib_cflags like HAVE_INIT_FINI is
because this is based on a compile-time test in the top configure,
not on plain shell code in configure.host. We'd have to replicate
the test in every subdir in order to have it passed down.
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Depending on the processing order of rules when installing in parallel,
install-board might run first and the target dirs don't yet exist.
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Depending on the processing order of rules when installing in parallel,
install-board might run first and the target dirs don't yet exist.
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With the move of configure scripts out of target directories, relative
paths to top_srcdir got broken:
/bin/sh: .../newlib/libgloss/../../mkinstalldirs: No such file or directory
Fix the PRU build by switching to srcroot relative path, as rest of targets do.
Fix the Blackfin build in the same way.
Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>
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