debian/changelog

 glibc (2.33-0experimental3) UNRELEASED; urgency=medium
+  [ Samuel Thibault ]
   * debian/testsuite-xfail-debian.mk: Update hurd tests.
   * debian/debhelper.in/libc.preinst: Require gnumach kernel >=
     1.8+git20210923 for the xrstor fix, needed for the ifunc-optimized memcpy
     etc.
   * debian/patches/hurd-i386/git-htl-init_sigset.diff: Fix sudo.
+  [ Aurelien Jarno ]
+  * debian/debhelper.in/libc-dev{,-alt}.install, debian/rules.d/build.mk:
+    install an empty libpthread_nonshared.a to support broken closed source
+    software.  Closes: #971273.
+  * debian/sysdeps/arm64.mk: enable Memory Tagging Extension (MTE) (heap)
+    checking on arm64.  Closes: #995269.
+
  -- Samuel Thibault <sthibault@debian.org>  Thu, 23 Sep 2021 23:44:07 +0000
 glibc (2.33-0experimental2) experimental; urgency=medium

debian/debhelper.in/libc-dev-alt.install

@@ -10,6 +10,7 @@ TMPDIR/LIBDIR/libm-*.a LIBDIR
 TMPDIR/LIBDIR/libmcheck.a LIBDIR
 TMPDIR/LIBDIR/libmvec.a LIBDIR
 TMPDIR/LIBDIR/libpthread.a LIBDIR
+TMPDIR/LIBDIR/libpthread_nonshared.a LIBDIR
 TMPDIR/LIBDIR/libresolv.a LIBDIR
 TMPDIR/LIBDIR/librt.a LIBDIR
 TMPDIR/LIBDIR/libutil.a LIBDIR

debian/debhelper.in/libc-dev.install

@@ -9,6 +9,7 @@ TMPDIR/LIBDIR/libm-*.a LIBDIR
 TMPDIR/LIBDIR/libmcheck.a LIBDIR
 TMPDIR/LIBDIR/libmvec.a LIBDIR
 TMPDIR/LIBDIR/libpthread.a LIBDIR
+TMPDIR/LIBDIR/libpthread_nonshared.a LIBDIR
 TMPDIR/LIBDIR/libresolv.a LIBDIR
 TMPDIR/LIBDIR/librt.a LIBDIR
 TMPDIR/LIBDIR/libutil.a LIBDIR

debian/rules.d/build.mk

@@ -268,6 +268,12 @@ ifeq ($(DEB_HOST_ARCH_OS),linux)
 	perl -pe 'BEGIN {undef $$/; open(IN, "$(DEB_BUILDDIR)/nptl/nptl_lock_constants.py"); $$j=<IN>;} s/from nptl_lock_constants import \*/$$j/g;' \
 		$(CURDIR)/nptl/nptl-printers.py > $(CURDIR)/debian/tmp-$(curpass)/usr/share/gdb/auto-load/$(call xx,slibdir)/libpthread-$(GLIBC_VERSION).so-gdb.py
 endif
+
+ifeq ($(DEB_HOST_ARCH_OS),linux)
+	# Install an empty libpthread_nonshared.a to support broken closed
+	# source software.
+	ar crv $(CURDIR)/debian/tmp-$(curpass)/$(call xx,libdir)/libpthread_nonshared.a
+endif
 endif
 
 	# Create the multiarch directories, and the configuration file in /etc/ld.so.conf.d

debian/sysdeps/arm64.mk

 # configuration options for all flavours
-extra_config_options = --enable-multi-arch --enable-static-pie
+extra_config_options = --enable-multi-arch --enable-static-pie --enable-memory-tagging