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

["hjl.tools at gmail dot com" <sourceware-bugzilla at sourceware dot org>]

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

            Bug ID: 22614
           Summary: gcc: error: unrecognized command line option ‘-no-pie’
           Product: glibc
           Version: 2.27
            Status: NEW
          Severity: normal
          Priority: P2
         Component: build
          Assignee: unassigned at sourceware dot org
          Reporter: hjl.tools at gmail dot com
                CC: carlos at redhat dot com
  Target Milestone: ---

When glibc is configured with --enable-static-pie, I got

gcc: error: unrecognized command line option ‘-no-pie’

with GCC 5 during "make check".  The problem is

config.make.in:build-pie-default= @libc_cv_pie_default@

ifndef +link
ifeq (yes,$(build-shared))
ifeq (yes,$(build-pie-default))
no-pie-ldflag = -no-pie
+link = $(+link-pie) 

We are building glibc with PIE by default, but GCC isn't defaulting
to PIE and -no-pie is only supported on GCC 6 and later.

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