Do not set PROFILE_TASK environment variable

When this is set, the `--enable-optimizations` option becomes ineffective, as
the profile task step is bypassed.

For 3.13, have to edit the Makefile to revert the original behavior because xml
tests fail on older distros because of expat issues.

closes docker-library#979

Dockerfile-linux.template

@@ -5,6 +5,9 @@
 	def is_slim:
 		env.variant | startswith("slim-")
 	;
+	def is_bullseye:
+		env.variant | contains("bullseye")
+	;
 	def rcVersion:
 		env.version | rtrimstr("-rc")
 -}}
@@ -185,19 +188,24 @@ RUN set -eux; \
 {{ ) end -}}
 {{ if is_slim or is_alpine then ( -}}
 	LDFLAGS="${LDFLAGS:--Wl},--strip-all"; \
+{{ ) else "" end -}}
+{{ if ([ "3.13" ] | index(rcVersion)) and (is_alpine or is_bullseye) then ( -}}
+# Workaround https://github.com/python/cpython/issues/125067
+	sed -i -E \
+		-e 's:(\$\(LLVM_PROF_FILE\) \$\(RUNSHARED\) ./\$\(BUILDPYTHON\) \$\(PROFILE_TASK\)):\1 || true:' \
+		-e 's:TESTTIMEOUT=$:TESTTIMEOUT=    1200:' Makefile \
+	; \
 {{ ) else "" end -}}
 	make -j "$nproc" \
 		"EXTRA_CFLAGS=${EXTRA_CFLAGS:-}" \
 		"LDFLAGS=${LDFLAGS:-}" \
-		"PROFILE_TASK=${PROFILE_TASK:-}" \
 	; \
 # https://github.com/docker-library/python/issues/784
 # prevent accidental usage of a system installed libpython of the same version
 	rm python; \
 	make -j "$nproc" \
 		"EXTRA_CFLAGS=${EXTRA_CFLAGS:-}" \
 		"LDFLAGS=${LDFLAGS:--Wl},-rpath='\$\$ORIGIN/../lib'" \
-		"PROFILE_TASK=${PROFILE_TASK:-}" \
 		python \
 	; \
 	make install; \