add libpthread_nonshared.a in glibc-compat-2.17 for old applications

Signed-off-by: Yang Yanchao <yangyanchao6@huawei.com>

glibc.spec

@@ -31,6 +31,9 @@
 %bcond_with bootstrap
 %bcond_without werror
 %bcond_without docs
+%ifarch x86_64 aarch64
+%bcond_without compat_2_17
+%endif
 
 %ifarch %{valgrind_arches}
 %bcond_without valgrind
@@ -59,7 +62,7 @@
 ##############################################################################
 Name: 	 	glibc
 Version: 	2.28
-Release: 	89
+Release: 	90
 Summary: 	The GNU libc libraries
 License:	%{all_license}
 URL: 		http://www.gnu.org/software/glibc/
@@ -433,6 +436,17 @@ Requires: man info
 %description help
 This package provides al doc and man files of %{name}
 
+##############################################################################
+# glibc compat-2.17 sub-package
+##############################################################################
+%if %{with compat_2_17}
+%package compat-2.17
+Summary: provides pthread library with glibc-2.17
+
+%description compat-2.17
+To keep older applications compatible, glibc-compat-2.17 provides libpthread_nonshared.a
+%endif
+
 ##############################################################################
 # Prepare for the build.
 ##############################################################################
@@ -605,6 +619,12 @@ install -p -m 644 %{SOURCE3} $RPM_BUILD_ROOT/etc/nsswitch.conf
 mkdir -p $RPM_BUILD_ROOT/etc/default
 install -p -m 644 nis/nss $RPM_BUILD_ROOT/etc/default/nss
 
+%if %{with compat_2_17}
+# Build an empty libpthread_nonshared.a for compatiliby with applications
+# that have old linker scripts that reference this file.
+ar cr $RPM_BUILD_ROOT/%{_prefix}/%{_lib}/libpthread_nonshared.a
+%endif
+
 # This is for ncsd - in glibc 2.2
 install -m 644 nscd/nscd.conf $RPM_BUILD_ROOT/etc
 mkdir -p $RPM_BUILD_ROOT%{_tmpfilesdir}
@@ -739,6 +759,9 @@ touch libnsl.filelist
 touch debugutils.filelist
 touch benchtests.filelist
 touch debuginfo.filelist
+%if %{with compat_2_17}
+touch compat-2.17.filelist
+%endif
 
 {
   find $RPM_BUILD_ROOT \( -type f -o -type l \) \
@@ -765,6 +788,9 @@ touch debuginfo.filelist
       -e '\,.*/share/i18n/charmaps/.*,d' \
       -e '\,.*/etc/\(localtime\|nsswitch.conf\|ld\.so\.conf\|ld\.so\.cache\|default\|rpc\|gai\.conf\),d' \
       -e '\,.*/%{_libdir}/lib\(pcprofile\|memusage\)\.so,d' \
+%if %{with compat_2_17}
+      -e '\,.*%{_libdir}/libpthread_nonshared.a,d' \
+%endif
       -e '\,.*/bin/\(memusage\|mtrace\|xtrace\|pcprofiledump\),d'
 } | sort > master.filelist
 
@@ -938,6 +964,14 @@ for d in $(echo $remove_dir | sed 's/ /\n/g'); do
     sed -i "\|^%%dir $d/\?$|d" debuginfo.filelist
 done
 %endif # %{with benchtests}
+
+%if %{with compat_2_17}
+##############################################################################
+# glibc compat-2.17 sub-package
+##############################################################################
+	echo "%{_libdir}/libpthread_nonshared.a" >> compat-2.17.filelist
+%endif
+
 ##############################################################################
 # Run the glibc testsuite
 # If any tests fail to build we exit %check with an error, otherwise
@@ -1174,7 +1208,14 @@ fi
 #Doc of nss_modules sub-package
 %doc hesiod/README.hesiod
 
+%if %{with compat_2_17}
+%files -f compat-2.17.filelist compat-2.17
+%endif
+
 %changelog
+* Thu Jul 7 2022 Yang Yanchao <yangyanchao6@huawei.com> - 2.28-90
+- add libpthread_nonshared.a in glibc-compat-2.17 for old applications
+
 * Tue May 10 2022 xujing <xujing125@huawei.com> - 2.28-89
 - elf: Fix initial-exec TLS access on audit modules (BZ #28096)