Move memory tracing libraries to glibc-utils (RHEL-2283)

libc_malloc_debug.so.0 and libmemusage.so are memory tracing libraries
and therefore should not be installed by default.  Since they need to
be preloaded in order to use memory tracing tools in glibc-utils, they
belong alongside them.

On x86_64, glibc-utils will now only contain the 64-bit version of these
libraries but still need the 32-bit version (in order to support tracing
i686 applications).  Therefore, on i686 the libraries remain in the main
glibc package.

rawhide commits:
* 2d5af83031edfa8191254814609961e4e57766fc
* e9d072eb64a251e09a121122941605f4a22d170a

Resolves: RHEL-2283
Related: RHEL-35602

Fedora 40 commit: 2c1b0f092c

glibc.spec

@@ -170,7 +170,7 @@ Version: %{glibcversion}
 # - It allows using the Release number without the %%dist tag in the dependency
 #   generator to make the generated requires interchangeable between Rawhide
 #   and ELN (.elnYY < .fcXX).
-%global baserelease 12
+%global baserelease 13
 Release: %{baserelease}%{?dist}
 
 # Licenses:
@@ -299,6 +299,18 @@ rpm.define("__debug_install_post bash " .. wrapper
 %global _no_recompute_build_ids 1
 %undefine _unique_build_ids
 
+%ifarch %{ix86}
+# The memory tracing tools (like mtrace, memusage) in glibc-utils only work
+# when the corresponding memory tracing libraries are preloaded.  So we ship
+# memory allocation tracing/checking libraries in glibc-utils, except on
+# i686 where we need to ship them in glibc.i686.  This is because
+# glibc-utils.x86_64 will contain only the 64-bit version of these
+# libraries.
+%global glibc_ship_tracelibs_in_utils 0
+%else
+%global glibc_ship_tracelibs_in_utils 1
+%endif
+
 ##############################################################################
 # Patches:
 # - See each individual patch file for origin and upstream status.
@@ -1928,6 +1940,7 @@ chmod 0444 master.filelist
 #     a double negation of -v and [^i] so it removes all files in
 #     sbin *but* iconvconfig.
 # - All the libnss files (we add back the ones we want later).
+# - libc_malloc_debug.so, since it is a debugging library.
 # - All bench test binaries.
 # - The aux-cache, since it's handled specially in the files section.
 # - Extra gconv modules.  We add the required modules later.
@@ -1948,6 +1961,9 @@ cat master.filelist \
 	-e '/var/db/Makefile' \
 	-e '/libnss_.*\.so[0-9.]*$' \
 	-e '/libnsl' \
+%if %{glibc_ship_tracelibs_in_utils}
+	-e 'libc_malloc_debug\.so' \
+%endif
 	-e 'glibc-benchtests' \
 	-e 'aux-cache' \
 %ifarch x86_64
@@ -1971,7 +1987,12 @@ for module in compat files dns; do
 %endif
 	>> glibc.filelist
 done
-grep -e "libmemusage.so" -e "libpcprofile.so" master.filelist \
+grep \
+%if ! %{glibc_ship_tracelibs_in_utils}
+	-e "libmemusage.so" \
+%endif
+	-e "libpcprofile.so" \
+	master.filelist \
 %ifarch x86_64
 %dnl Exclude 32-bit libraries built for glibc32.
 	| grep -v -e /lib/lib \
@@ -2027,6 +2048,7 @@ grep '%{_libdir}/lib.*\.a' master.filelist \
 # devel package.
 grep '%{_libdir}/.*\.o' < master.filelist >> devel.filelist
 grep '%{_libdir}/lib.*\.so' < master.filelist >> devel.filelist
+
 # The exceptions are:
 # - libmemusage.so and libpcprofile.so in glibc used by utils.
 # - libnss_*.so which are in nss-devel.
@@ -2146,6 +2168,13 @@ cat > utils.filelist <<EOF
 %{_prefix}/bin/xtrace
 EOF
 
+%if %{glibc_ship_tracelibs_in_utils}
+grep \
+	-e '%{_lib}/libc_malloc_debug\.so' \
+	-e '%{_lib}/libmemusage.so' \
+	< master.filelist >> utils.filelist
+%endif
+
 ###############################################################################
 # nss_db, nss_hesiod
 ###############################################################################
@@ -2572,6 +2601,9 @@ update_gconv_modules_cache ()
 %endif
 
 %changelog
+* Wed May 15 2024 Arjun Shankar <arjun@redhat.com> - 2.39-13
+- Move memory tracing libraries to glibc-utils
+
 * Fri May 10 2024 Florian Weimer <fweimer@redhat.com> - 2.39-12
 - Use unsigned types in <utmp.h>/<utmpx.h> (RHEL-22226)