[Bug build/22614] gcc: error: unrecognized command line option ‘-no-pie’

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

https://sourceware.org/bugzilla/show_bug.cgi?id=22614

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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ce16eb52c0987fd94bc13d51ddc787134a7e4b0c

commit ce16eb52c0987fd94bc13d51ddc787134a7e4b0c
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Dec 19 13:53:00 2017 -0800

    Replece LDFLAGS-* = $(no-pie-ldflag) with tst-*-no-pie = yes [BZ #22630]

    After

    commit 9d7a3741c9e59eba87fb3ca6b9f979befce07826
    Author: H.J. Lu <hjl.tools@gmail.com>
    Date:   Fri Dec 15 16:59:33 2017 -0800

        Add --enable-static-pie configure option to build static PIE [BZ
#19574]

    and

    commit 00c714df398b63934540d95ce3792596f7a94a6c
    Author: H.J. Lu <hjl.tools@gmail.com>
    Date:   Mon Dec 18 12:24:26 2017 -0800

        Pass -no-pie to GCC only if GCC defaults to PIE [BZ #22614]

    $(no-pie-ldflag) is no longer effective since no-pie-ldflag is defined
    to -no-pie only if GCC defaults to PIE.  When --enable-static-pie is
    used to configure glibc build and GCC doesn't default to PIE. no-pie-ldflag
    is undefined and these tests:

    elf/Makefile:LDFLAGS-tst-dlopen-aout = $(no-pie-ldflag)
    elf/Makefile:LDFLAGS-tst-prelink = $(no-pie-ldflag)
    elf/Makefile:LDFLAGS-tst-main1 = $(no-pie-ldflag)
    gmon/Makefile:LDFLAGS-tst-gmon := $(no-pie-ldflag)

    may fail to link.  This patch replaces "-pie" with

    $(if $($(@F)-no-pie),$(no-pie-ldflag),-pie)

    and repleces

    LDFLAGS-* = $(no-pie-ldflag)

    with

    tst-*-no-pie = yes

    so that tst-dlopen-aout, tst-prelink, tst-main1 and tst-gmon are always
    built as non-PIE, with and without --enable-static-pie, regardless if
    GCC defaults to PIE or non-PIE.

    Tested with build-many-glibcs.py without --enable-static-pie as well as
    with --enable-static-pie for x86_64, x32 and i686.

        [BZ #22630]
        * Makeconfig (link-pie-before-libc): Replace -pie with
        $(if $($(@F)-no-pie),$(no-pie-ldflag),-pie).
        * elf/Makefile (LDFLAGS-tst-dlopen-aout): Removed.
        (tst-dlopen-aout-no-pie): New.
        (LDFLAGS-tst-prelink): Removed.
        (tst-prelink-no-pie): New.
        (LDFLAGS-tst-main1): Removed.
        (tst-main1-no-pie): New.
        * gmon/Makefile (LDFLAGS-tst-gmon): Removed.
        (tst-gmon-no-pie): New.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog     |   14 ++++++++++++++
 Makeconfig    |    3 ++-
 elf/Makefile  |    6 +++---
 gmon/Makefile |    2 +-
 4 files changed, 20 insertions(+), 5 deletions(-)

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