[OpenRISC] [PATCH v4 11/13] or1k: Build Infrastructure

[Stafford Horne <shorne@gmail.com>]

On Mon, Jan 03, 2022 at 03:25:54PM -0300, Adhemerval Zanella wrote:
> 
> 
> On 29/12/2021 01:42, Stafford Horne via Libc-alpha wrote:
> > Here we define the minumum linux kernel version at 5.4.0, as that is the
> > long term support version where 32-bit architectures start to support
> > 64-bit time API's.  The OpenRISC kernel had some bugs up until version 5.8
> > which caused issues with glibc fork/clone, they have been backported to
> > 5.4 but not previous versions.
> 
> LGTM, thanks.
> 
> Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

Thank you.

> > ---
> >  sysdeps/or1k/Implies                        |  3 ++
> >  sysdeps/or1k/Makefile                       |  7 +++++
> >  sysdeps/or1k/nofpu/Implies                  |  1 +
> >  sysdeps/or1k/preconfigure                   | 34 +++++++++++++++++++++
> >  sysdeps/unix/sysv/linux/or1k/Implies        |  3 ++
> >  sysdeps/unix/sysv/linux/or1k/Makefile       |  8 +++++
> >  sysdeps/unix/sysv/linux/or1k/configure      |  4 +++
> >  sysdeps/unix/sysv/linux/or1k/configure.ac   |  4 +++
> >  sysdeps/unix/sysv/linux/or1k/shlib-versions |  2 ++
> >  9 files changed, 66 insertions(+)
> >  create mode 100644 sysdeps/or1k/Implies
> >  create mode 100644 sysdeps/or1k/Makefile
> >  create mode 100644 sysdeps/or1k/nofpu/Implies
> >  create mode 100644 sysdeps/or1k/preconfigure
> >  create mode 100644 sysdeps/unix/sysv/linux/or1k/Implies
> >  create mode 100644 sysdeps/unix/sysv/linux/or1k/Makefile
> >  create mode 100644 sysdeps/unix/sysv/linux/or1k/configure
> >  create mode 100644 sysdeps/unix/sysv/linux/or1k/configure.ac
> >  create mode 100644 sysdeps/unix/sysv/linux/or1k/shlib-versions
> > 
> > diff --git a/sysdeps/or1k/Implies b/sysdeps/or1k/Implies
> > new file mode 100644
> > index 0000000000..387a0ca052
> > --- /dev/null
> > +++ b/sysdeps/or1k/Implies
> > @@ -0,0 +1,3 @@
> > +wordsize-32
> > +ieee754/dbl-64
> > +ieee754/flt-32
> > diff --git a/sysdeps/or1k/Makefile b/sysdeps/or1k/Makefile
> > new file mode 100644
> > index 0000000000..0241a0587e
> > --- /dev/null
> > +++ b/sysdeps/or1k/Makefile
> > @@ -0,0 +1,7 @@
> > +ASFLAGS-.os += -fPIC
> > +
> > +ifeq ($(subdir),elf)
> > +# Extra shared linker files to link only into dl-allobjs.so.
> > +sysdep-rtld-routines += dl-start
> > +endif
> > +
> > diff --git a/sysdeps/or1k/nofpu/Implies b/sysdeps/or1k/nofpu/Implies
> > new file mode 100644
> > index 0000000000..abcbadb25f
> > --- /dev/null
> > +++ b/sysdeps/or1k/nofpu/Implies
> > @@ -0,0 +1 @@
> > +ieee754/soft-fp
> > diff --git a/sysdeps/or1k/preconfigure b/sysdeps/or1k/preconfigure
> > new file mode 100644
> > index 0000000000..d1b1fb1843
> > --- /dev/null
> > +++ b/sysdeps/or1k/preconfigure
> > @@ -0,0 +1,34 @@
> > +#
> > +# This is free and unencumbered software released into the public domain.
> > +#
> > +# Anyone is free to copy, modify, publish, use, compile, sell, or
> > +# distribute this software, either in source code form or as a compiled
> > +# binary, for any purpose, commercial or non-commercial, and by any
> > +# means.
> > +#
> > +# In jurisdictions that recognize copyright laws, the author or authors
> > +# of this software dedicate any and all copyright interest in the
> > +# software to the public domain. We make this dedication for the benefit
> > +# of the public at large and to the detriment of our heirs and
> > +# successors. We intend this dedication to be an overt act of
> > +# relinquishment in perpetuity of all present and future rights to this
> > +# software under copyright law.
> > +#
> > +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> > +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> > +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
> > +# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
> > +# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
> > +# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> > +# OTHER DEALINGS IN THE SOFTWARE.
> > +#
> > +
> > +case "$machine" in
> > +or1k*)
> > +  base_machine=or1k
> > +  machine=or1k
> > +
> > +  with_fp_cond="defined __or1k_hard_float__"
> > +  ;;
> > +esac
> > +
> > diff --git a/sysdeps/unix/sysv/linux/or1k/Implies b/sysdeps/unix/sysv/linux/or1k/Implies
> > new file mode 100644
> > index 0000000000..f39f16c04a
> > --- /dev/null
> > +++ b/sysdeps/unix/sysv/linux/or1k/Implies
> > @@ -0,0 +1,3 @@
> > +or1k/nptl
> > +unix/sysv/linux/generic/wordsize-32
> > +unix/sysv/linux/generic
> > diff --git a/sysdeps/unix/sysv/linux/or1k/Makefile b/sysdeps/unix/sysv/linux/or1k/Makefile
> > new file mode 100644
> > index 0000000000..e06bad5150
> > --- /dev/null
> > +++ b/sysdeps/unix/sysv/linux/or1k/Makefile
> > @@ -0,0 +1,8 @@
> > +ifeq ($(subdir),misc)
> > +sysdep_routines += or1k_clone
> > +endif
> > +
> > +ifeq ($(subdir),stdlib)
> > +gen-as-const-headers += ucontext_i.sym
> > +endif
> > +
> > diff --git a/sysdeps/unix/sysv/linux/or1k/configure b/sysdeps/unix/sysv/linux/or1k/configure
> > new file mode 100644
> > index 0000000000..5225dfea5b
> > --- /dev/null
> > +++ b/sysdeps/unix/sysv/linux/or1k/configure
> > @@ -0,0 +1,4 @@
> > +# This file is generated from configure.ac by Autoconf.  DO NOT EDIT!
> > + # Local configure fragment for sysdeps/unix/sysv/linux/or1k.
> > +
> > +arch_minimum_kernel=5.4.0
> > diff --git a/sysdeps/unix/sysv/linux/or1k/configure.ac b/sysdeps/unix/sysv/linux/or1k/configure.ac
> > new file mode 100644
> > index 0000000000..6274c4fb02
> > --- /dev/null
> > +++ b/sysdeps/unix/sysv/linux/or1k/configure.ac
> > @@ -0,0 +1,4 @@
> > +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
> > +# Local configure fragment for sysdeps/unix/sysv/linux/or1k.
> > +
> > +arch_minimum_kernel=5.4.0
> > diff --git a/sysdeps/unix/sysv/linux/or1k/shlib-versions b/sysdeps/unix/sysv/linux/or1k/shlib-versions
> > new file mode 100644
> > index 0000000000..159653b5c4
> > --- /dev/null
> > +++ b/sysdeps/unix/sysv/linux/or1k/shlib-versions
> > @@ -0,0 +1,2 @@
> > +DEFAULT                 GLIBC_2.35
> > +ld=ld-linux-or1k.so.1