[Bug binutils/26792] Makefiles don't support GNU make job server

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=26792

--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by H.J. Lu <hjl@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=d546b61084cec687e0063b2e0e169b4690341c23

commit d546b61084cec687e0063b2e0e169b4690341c23
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Jan 12 05:45:28 2021 -0800

    Implement a workaround for GNU mak jobserver

    Compiling binutils using -flto=jobserver with GCC 11 leads to

    libtool: link: gcc -W -Wall -Wstrict-prototypes -Wmissing-prototypes
-Wshadow -Wstack-usage=262144 -Wwrite-strings -I../../gas/../zlib -g -O2
-fprofile-generate -flto=jobserver -o as-new app.o as.o atof-generic.o
compress-debug.o cond.o depend.o dwarf2dbg.o dw2gencfi.o ecoff.o ehopt.o expr.o
flonum-copy.o flonum-konst.o flonum-mult.o frags.o hash.o input-file.o
input-scrub.o listing.o literal.o macro.o messages.o output-file.o read.o
remap.o sb.o stabs.o subsegs.o symbols.o write.o config/tc-i386.o
config/obj-elf.o config/atof-ieee.o  ../opcodes/.libs/libopcodes.a
../bfd/.libs/libbfd.a -L/tmp/binutils-gdb/objdir/zlib -lz
../libiberty/libiberty.a -ldl
    lto-wrapper: warning: jobserver is not available: '--jobserver-auth=' is
not present in 'MAKEFLAGS'

    since the '+' is missing on the recipe line in Makefiles generated by
    automake.  Add the '+' to the recipe line by hand.

    bfd/

            PR binutils/26792
            * configure.ac: Use GNU_MAKE_JOBSERVER.
            * aclocal.m4: Regenerated.
            * configure: Likewise.

    binutils/

            PR binutils/26792
            * configure.ac: Use GNU_MAKE_JOBSERVER.
            * aclocal.m4: Regenerated.
            * configure: Likewise.

    config/

            PR binutils/26792
            * jobserver.m4: New file.

    gas/

            PR binutils/26792
            * configure.ac: Use GNU_MAKE_JOBSERVER.
            * aclocal.m4: Regenerated.
            * configure: Likewise.

    gprof/

            PR binutils/26792
            * configure.ac: Use GNU_MAKE_JOBSERVER.
            * aclocal.m4: Regenerated.
            * configure: Likewise.

    ld/

            PR binutils/26792
            * configure.ac: Use GNU_MAKE_JOBSERVER.
            * aclocal.m4: Regenerated.
            * configure: Likewise.

    libctf/

            PR binutils/26792
            * configure.ac: Use GNU_MAKE_JOBSERVER.
            * aclocal.m4: Regenerated.
            * configure: Likewise.

    opcodes/

            PR binutils/26792
            * configure.ac: Use GNU_MAKE_JOBSERVER.
            * aclocal.m4: Regenerated.
            * configure: Likewise.

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