[Bug gdb/22185] Obsolete/remove support for Solaris < 10

["cvs-commit at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=22185

--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Rainer Orth <ro@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=281c4447738409888d9659924937da182a65b4e1

commit 281c4447738409888d9659924937da182a65b4e1
Author: Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
Date:   Tue Sep 26 15:19:10 2017 +0200

    Remove support for Solaris < 10 (PR gdb/22185)

    Given that GCC has obsoleted/removed support for Solaris 9 in GCC 4.9/5 in
2013:

        https://gcc.gnu.org/gcc-4.9/changes.html
        https://gcc.gnu.org/ml/gcc-patches/2013-05/msg00728.html

    and the last gdb version that can be compiled with gcc 4.9 is 7.12.1 only
when
    configured with --disable-build-with-cxx, it's time to obsolete/remove
support
    for Solaris < 10.

    This patch does this, simplifying configure.nat along the way (only a
single
    sol2 configuration with variants for i386 and sparc).

    Some configure checks for older Solaris versions can go, too, and the check
    for libthread_db.so.1 removed:

    * Since Solaris 10, dlopen has moved to libc and libdl.so is just a
      filter on ld.so.1, so no need to check.

    * $RDYNAMIC is already handled above (and is a no-op with Solaris ld
      anyway).

    Both proc-service.c and sol-thread.c lose support for (Solaris-only)
    PROC_SERVICE_IS_OLD.

    The attached revised patch has been tested on sparcv9-sun-solaris2.10,
    sparcv9-sun-solaris2.11.4, amd64-pc-solaris2.10, amd64-pc-solaris2.11.4,
    and x86_64-pc-linux-gnu.

    I've also started an i386-pc-solaris2.9 build to check that it really
    stops as expected.

        PR gdb/22185
        * configure.host <*-*-solaris2.[01], *-*-solaris2.[2-9]*>: Mark as
        obsolete.
        Use gdb_host sol2 for i[34567]86-*-solaris2*, x86_64-*-solaris2*.
        Remove i386sol2 support.
        * configure.nat <i386sol2>: Remove.
        <sol2-64>: Fold into ...
        <sol2>: ... this.
        Move common settings to default section.
        Add sol-thread.o.
        * configure.tgt <i[34567]86-*-solaris2.1[0-9]*,
        x86_64-*-solaris2.1[0-9]*>: Rename to ...
        <i[34567]86-*-solaris2*, x86_64-*-solaris2*>: ... this.
        <i[34567]86-*-solaris*>: Remove.
        <sparc-*-solaris2.[0-6], sparc-*-solaris2.[0-6].*>: Remove.

        * configure.ac: Remove wctype in libw check.
        (_MSE_INT_H): Don't define on Solaris 7-9.
        <solaris*>: Remove libthread_db.so.1 check.
        * configure: Regenerate.
        * config.in: Regenerate.

        * proc-service.c: Remove PROC_SERVICE_IS_OLD handling.
        (gdb_ps_prochandle_t, gdb_ps_read_buf_t, gdb_ps_write_buf_t)
        (gdb_ps_size_t): Remove.
        Use base types in users.
        * sol-thread.c: Likewise, also for gdb_ps_addr_t.

        * NEWS (Changes since GDB 8.0): Document Solaris 2.0-9 removal.

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