[PATCH] SH: Do not build syscalls if option provided

[Jeff Johnston]

Thanks Yilin, patch pushed to master.

-- Jeff J.

On Sat, Aug 13, 2022 at 12:23 PM Yilin Sun via Newlib <newlib@sourceware.org>
wrote:

> This patch makes syscalls for SH architecture respecting the global option
> "--disable-newlib-supplied-syscalls". This is useful when a bare-metal
> toolchain is needed.
>
> Signed-off-by: Yilin Sun <imi415@imi.moe>
> ---
>  newlib/Makefile.in              | 12 ++++++------
>  newlib/libc/sys/sh/Makefile.inc |  2 ++
>  2 files changed, 8 insertions(+), 6 deletions(-)
>
> diff --git a/newlib/Makefile.in b/newlib/Makefile.in
> index ad81c4fd7..f26d99ae9 100644
> --- a/newlib/Makefile.in
> +++ b/newlib/Makefile.in
> @@ -552,7 +552,7 @@ check_PROGRAMS =
>  @HAVE_LIBC_SYS_RDOS_DIR_TRUE@  libc/sys/rdos/wait.c libc/sys/rdos/write.c
>
>  @HAVE_LIBC_SYS_RTEMS_DIR_TRUE@am__append_56 = libc/sys/rtems/dummysys.c
> libc/sys/rtems/cpusetalloc.c libc/sys/rtems/cpusetfree.c
> -@HAVE_LIBC_SYS_SH_DIR_TRUE@am__append_57 = libc/sys/sh/syscalls.c
> libc/sys/sh/trap.S libc/sys/sh/creat.c libc/sys/sh/ftruncate.c
> libc/sys/sh/truncate.c
> +@HAVE_LIBC_SYS_SH_DIR_TRUE@@MAY_SUPPLY_SYSCALLS_TRUE@am__append_57 =
> libc/sys/sh/syscalls.c libc/sys/sh/trap.S libc/sys/sh/creat.c
> libc/sys/sh/ftruncate.c libc/sys/sh/truncate.c
>  @HAVE_LIBC_SYS_SYSMEC_DIR_TRUE@am__append_58 = \
>  @HAVE_LIBC_SYS_SYSMEC_DIR_TRUE@        libc/sys/sysmec/_exit.c
> libc/sys/sysmec/access.c libc/sys/sysmec/chmod.c libc/sys/sysmec/chown.c
> libc/sys/sysmec/close.c libc/sys/sysmec/creat.c libc/sys/sysmec/crt1.c \
>  @HAVE_LIBC_SYS_SYSMEC_DIR_TRUE@        libc/sys/sysmec/execv.c
> libc/sys/sysmec/execve.c libc/sys/sysmec/fork.c libc/sys/sysmec/fstat.c
> libc/sys/sysmec/getpid.c libc/sys/sysmec/isatty.c \
> @@ -1661,11 +1661,11 @@ am__objects_51 =
> libc/ssp/libc_a-chk_fail.$(OBJEXT) \
>  @HAVE_LIBC_SYS_RTEMS_DIR_TRUE@am__objects_66 =
> libc/sys/rtems/libc_a-dummysys.$(OBJEXT) \
>  @HAVE_LIBC_SYS_RTEMS_DIR_TRUE@
> libc/sys/rtems/libc_a-cpusetalloc.$(OBJEXT) \
>  @HAVE_LIBC_SYS_RTEMS_DIR_TRUE@ libc/sys/rtems/libc_a-cpusetfree.$(OBJEXT)
> -@HAVE_LIBC_SYS_SH_DIR_TRUE@am__objects_67 =
> libc/sys/sh/libc_a-syscalls.$(OBJEXT) \
> -@HAVE_LIBC_SYS_SH_DIR_TRUE@    libc/sys/sh/libc_a-trap.$(OBJEXT) \
> -@HAVE_LIBC_SYS_SH_DIR_TRUE@    libc/sys/sh/libc_a-creat.$(OBJEXT) \
> -@HAVE_LIBC_SYS_SH_DIR_TRUE@    libc/sys/sh/libc_a-ftruncate.$(OBJEXT) \
> -@HAVE_LIBC_SYS_SH_DIR_TRUE@    libc/sys/sh/libc_a-truncate.$(OBJEXT)
> +@HAVE_LIBC_SYS_SH_DIR_TRUE@@MAY_SUPPLY_SYSCALLS_TRUE@am__objects_67 =
> libc/sys/sh/libc_a-syscalls.$(OBJEXT) \
> +@HAVE_LIBC_SYS_SH_DIR_TRUE@@MAY_SUPPLY_SYSCALLS_TRUE@
> libc/sys/sh/libc_a-trap.$(OBJEXT) \
> +@HAVE_LIBC_SYS_SH_DIR_TRUE@@MAY_SUPPLY_SYSCALLS_TRUE@
> libc/sys/sh/libc_a-creat.$(OBJEXT) \
> +@HAVE_LIBC_SYS_SH_DIR_TRUE@@MAY_SUPPLY_SYSCALLS_TRUE@
> libc/sys/sh/libc_a-ftruncate.$(OBJEXT) \
> +@HAVE_LIBC_SYS_SH_DIR_TRUE@@MAY_SUPPLY_SYSCALLS_TRUE@
> libc/sys/sh/libc_a-truncate.$(OBJEXT)
>  @HAVE_LIBC_SYS_SYSMEC_DIR_TRUE@am__objects_68 =
> libc/sys/sysmec/libc_a-_exit.$(OBJEXT) \
>  @HAVE_LIBC_SYS_SYSMEC_DIR_TRUE@
> libc/sys/sysmec/libc_a-access.$(OBJEXT) \
>  @HAVE_LIBC_SYS_SYSMEC_DIR_TRUE@
> libc/sys/sysmec/libc_a-chmod.$(OBJEXT) \
> diff --git a/newlib/libc/sys/sh/Makefile.inc
> b/newlib/libc/sys/sh/Makefile.inc
> index d4081ec92..d4ea148f3 100644
> --- a/newlib/libc/sys/sh/Makefile.inc
> +++ b/newlib/libc/sys/sh/Makefile.inc
> @@ -1 +1,3 @@
> +if MAY_SUPPLY_SYSCALLS
>  libc_a_SOURCES += %D%/syscalls.c %D%/trap.S %D%/creat.c %D%/ftruncate.c
> %D%/truncate.c
> +endif
> --
> 2.37.1
>
>