Commit Graph

692 Commits

Author SHA1 Message Date
Mike Frysinger 845515267b libgloss: add new Build System Internals node to the menu
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.
2022-03-04 01:04:25 -05:00
Mike Frysinger 74885d4fbd libgloss: merge lm32 into top-level Makefile
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.
2022-03-01 20:29:07 -05:00
Mike Frysinger 89f643e87b libgloss: use m4_foreach_w to simplify the logic a bit
It's functionally the same, but the configure.ac code is simpler and
less boiler plate duplicated.
2022-03-01 20:29:07 -05:00
Mike Frysinger ed459780f4 libgloss: add a little build system generation documentation
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.
2022-02-28 19:05:32 -05:00
Mike Frysinger 69d93f3121 libgloss: iq2000: fix prototype 2022-02-25 23:08:45 -05:00
Mike Frysinger 7f674bb4da libgloss: switch to AM_PROG_AR
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.
2022-02-25 23:07:20 -05:00
Mike Frysinger e56bdf902b libgloss: document & localize custom multi-do rule
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).
2022-02-24 19:12:45 -05:00
Mike Frysinger 15d7e0d417 libgloss: finish migration to AM_PROG_AS
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.
2022-02-24 19:10:39 -05:00
Mike Frysinger 7edb25725d libgloss: switch to standard AC_PROG_CC
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.
2022-02-24 19:06:21 -05:00
Mike Frysinger 8d75828378 libgloss: merge sparc configure script up a level
Move the minor sparc-specific logic to a dedicated variable so we can
merge its configure logic up a level.
2022-02-23 19:44:10 -05:00
Mike Frysinger 4ed502ba02 libgloss: enable maintainer mode support
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.
2022-02-22 17:09:16 -05:00
Matt Joyce 44b60f0c4b Make __sdidinit unused
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.
2022-02-22 12:38:46 +01:00
Mike Frysinger 2d53aadcc5 libgloss: have README point to the manual
The README has such little info in it, so point people to the much
more extensive porting manual.
2022-02-17 20:41:53 -05:00
Mike Frysinger 7a1c557b8e libgloss: merge mips configure script up a level
Move the minor mips-specific logic to a dedicated file & namespace
them so we can merge its configure logic up a level.
2022-02-17 20:36:41 -05:00
Mike Frysinger f9dc151186 libgloss: merge wince configure script up a level
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.
2022-02-17 20:35:32 -05:00
Mike Frysinger e0c0ad8268 libgloss: build with -nostdinc
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.
2022-02-16 20:29:08 -05:00
Mike Frysinger 5ca1f8c7ff libgloss: sparc: merge libsys/ up a level
The libsys/configure script isn't doing anything useful, so merge
the logic up to the parent dir.
2022-02-16 20:24:27 -05:00
Mike Frysinger aff735e4c6 libgloss: aarch64: merge cpu-init/ up a level
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.
2022-02-16 20:23:26 -05:00
Mike Frysinger 538a37be5b libgloss: merge mn10300 configure script up a level
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.
2022-02-16 20:20:14 -05:00
Mike Frysinger 0c45c7ce67 libgloss: merge mn10200 configure script up a level
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.
2022-02-16 20:16:05 -05:00
Mike Frysinger 9a5f78d80e libgloss: merge m68k configure script up a level
Move the minor m68k-specific logic to a dedicated file & namespace them
so we can merge its configure logic up a level.
2022-02-16 20:14:55 -05:00
Mike Frysinger 7d565fe013 libgloss: m68k: switch to AC_NO_EXECUTABLES
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.
2022-02-16 20:12:42 -05:00
Mike Frysinger 91019da446 libgloss: merge mcore configure script up a level
Move the minor mcore-specific logic to a dedicated file & namespace them
so we can merge its configure logic up a level.
2022-02-16 20:11:55 -05:00
Mike Frysinger e7f8999918 libgloss: merge moxie configure script up a level
Move the minor moxie-specific logic to a dedicated file & namespace them
so we can merge its configure logic up a level.
2022-02-16 20:10:48 -05:00
Mike Frysinger 5200f756cc libgloss: merge i386 configure script up a level
Move the minor i386-specific logic to a dedicated variable so we can
merge its configure logic up a level.
2022-02-16 20:08:55 -05:00
Mike Frysinger e05f9c0c05 libgloss: i386: simplify target flags
Collapse these 3 settings into one variable to make it easier to
merge into the top-level.
2022-02-16 20:08:18 -05:00
Mike Frysinger 907764ebec newlib/libgloss: drop unused $(CROSS_CFLAGS)
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.
2022-02-15 20:02:51 -05:00
Mike Frysinger d4fa7379b0 libgloss: bfin: fix various warnings
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
2022-02-12 01:34:21 -05:00
Mike Frysinger 395ce0f4c0 libgloss: bfin: fix local header usage after automake move
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>
2022-02-12 01:29:33 -05:00
Mike Frysinger 5365a7deee libgloss: merge csky configure script up a level
Now that the csky-specific logic ($DO) has been deleted, we can fold
it up a level easily enough.
2022-02-11 06:19:01 -05:00
Mike Frysinger 66dfedc287 libgloss: merge bfin into top-level Makefile
Avoid a recursive make to speed things up a bit.
2022-02-11 06:14:55 -05:00
Mike Frysinger 62e580f01b libgloss: merge iq2000 into top-level Makefile
Avoid a recursive make to speed things up a bit.
2022-02-11 06:14:55 -05:00
Mike Frysinger f8aede7855 libgloss: merge libnosys into top-level Makefile
Avoid a recursive make to speed things up a bit.
2022-02-11 04:29:37 -05:00
Mike Frysinger ad28934ad3 libgloss: csky: clean up unused m68k logic
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.
2022-02-11 04:17:44 -05:00
Mike Frysinger 492e5fe8b0 libgloss: merge doc into top-level Makefile
Avoid a recursive make with this tiny subdir to speed things up a bit.
2022-02-09 20:01:40 -05:00
Mike Frysinger 7517551007 libgloss: convert top level to automake
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
2022-02-09 20:01:40 -05:00
Mike Frysinger a49c5fcdb5 libgloss: m68k: rename $DO to $TARGET
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.
2022-02-09 20:00:43 -05:00
Mike Frysinger 67c600b995 libgloss: restore multilib settings in subdir makefiles
Commit 754f8def0d ("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.
2022-02-04 19:33:29 -05:00
Mike Frysinger 8622002ffc libgloss: move to ../config/multi.m4 for multilib logic
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.
2022-02-01 23:07:11 -05:00
Mike Frysinger 30f244155b libgloss: merge subdirs that have unique makefile_frags up a level
Merge the subdir configure scripts up that only existed to set unique
values for their target/host makefile_frags.
2022-02-01 23:06:21 -05:00
Mike Frysinger d5a20f0b70 libgloss: merge epiphany & libnosys & or1k configure scripts up a level
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.
2022-02-01 21:53:22 -05:00
Mike Frysinger 502cf4b7b5 libgloss: fix more missing dir with parallel install
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.
2022-01-29 01:33:49 -05:00
Mike Frysinger 580817ec01 libgloss: update Makefile regen rules for merged arches
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.
2022-01-29 00:10:59 -05:00
Jeff Law 063d67faf0 Finish this commit by prefixing HAVE_INITFINI_ARRAY and HAVE_INIT_FINI 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.
2022-01-28 21:39:14 -07:00
Mike Frysinger 9d33524164 libgloss: aarch64/sparc: fix missing dir with parallel install
Depending on the processing order of rules when installing in parallel,
install-board might run first and the target dirs don't yet exist.
2022-01-28 06:21:41 -05:00
Mike Frysinger c6c414fcb3 libgloss: bfin: fix missing dir with parallel install
Depending on the processing order of rules when installing in parallel,
install-board might run first and the target dirs don't yet exist.
2022-01-28 05:57:37 -05:00
Dimitar Dimitrov b095628ecf libgloss: Fix PRU & Blackfin mkinstalldirs path
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>
2022-01-27 19:40:10 -05:00
Mike Frysinger 43ab30fbd5 libgloss: merge stub iq2000 configure scripts up a level
This was supposed to be included in the previous commit.
2022-01-26 04:42:09 -05:00
Mike Frysinger 754f8def0d libgloss: merge stub arch configure scripts up a level
For about half the ports, we don't need a subdir configure script.
They're using the config/default.m[ht] rules, and they aren't doing
any unique configure tests, so they exist just to pass top-level
settings down to create the arch Makefile.  We can just as easily
do that from the top-level Mkaefile directly and skip configure.

Most of the remaining configure scripts could be migrated up to
the top-level too, but that would require care in each subdir.
So let's be lazy and put that off to another day.
2022-01-26 04:32:54 -05:00
Mike Frysinger c0bf2d68f9 libgloss: iq2000: drop unused configure vars
This will make it easier to merge up as it won't have unique settings.
2022-01-26 04:27:50 -05:00