Revert most of the + to the bare minimum

Author: Fidget-Spinner

Makefile.pre.in

@@ -968,7 +968,7 @@ clinic-tests: check-clean-src $(srcdir)/Lib/test/clinic.test.c
 
 # Build the interpreter
 $(BUILDPYTHON):	Programs/python.o $(LINK_PYTHON_DEPS)
-	$(LINKCC) $(PY_CORE_LDFLAGS) $(LINKFORSHARED) -o $@ Programs/python.o $(LINK_PYTHON_OBJS) $(LIBS) $(MODLIBS) $(SYSLIBS)
+	+$(LINKCC) $(PY_CORE_LDFLAGS) $(LINKFORSHARED) -o $@ Programs/python.o $(LINK_PYTHON_OBJS) $(LIBS) $(MODLIBS) $(SYSLIBS)
 
 platform: $(PYTHON_FOR_BUILD_DEPS) pybuilddir.txt
 	$(RUNSHARED) $(PYTHON_FOR_BUILD) -c 'import sys ; from sysconfig import get_platform ; print("%s-%d.%d" % (get_platform(), *sys.version_info[:2]))' >platform
@@ -1608,7 +1608,7 @@ regen-re: $(BUILDPYTHON)
 	$(RUNSHARED) ./$(BUILDPYTHON) $(srcdir)/Tools/build/generate_re_casefix.py $(srcdir)/Lib/re/_casefix.py
 
 Programs/_testembed: Programs/_testembed.o $(LINK_PYTHON_DEPS)
-	$(LINKCC) $(PY_CORE_LDFLAGS) $(LINKFORSHARED) -o $@ Programs/_testembed.o $(LINK_PYTHON_OBJS) $(LIBS) $(MODLIBS) $(SYSLIBS)
+	+$(LINKCC) $(PY_CORE_LDFLAGS) $(LINKFORSHARED) -o $@ Programs/_testembed.o $(LINK_PYTHON_OBJS) $(LIBS) $(MODLIBS) $(SYSLIBS)
 
 ############################################################################
 # "Bootstrap Python" used to run Programs/_freeze_module.py
@@ -1707,7 +1707,7 @@ Programs/_freeze_module.o: Programs/_freeze_module.c Makefile
 Modules/getpath_noop.o: $(srcdir)/Modules/getpath_noop.c Makefile
 
 Programs/_freeze_module: Programs/_freeze_module.o Modules/getpath_noop.o $(LIBRARY_OBJS_OMIT_FROZEN)
-	$(LINKCC) $(PY_CORE_LDFLAGS) -o $@ Programs/_freeze_module.o Modules/getpath_noop.o $(LIBRARY_OBJS_OMIT_FROZEN) $(LIBS) $(MODLIBS) $(SYSLIBS)
+	+$(LINKCC) $(PY_CORE_LDFLAGS) -o $@ Programs/_freeze_module.o Modules/getpath_noop.o $(LIBRARY_OBJS_OMIT_FROZEN) $(LIBS) $(MODLIBS) $(SYSLIBS)
 
 # We manually freeze getpath.py rather than through freeze_modules
 Python/frozen_modules/getpath.h: Modules/getpath.py $(FREEZE_MODULE_BOOTSTRAP_DEPS)

configure

@@ -2031,11 +2031,7 @@ if test "$Py_LTO" = 'true' ; then
           LTOCFLAGS="-flto"
           ;;
         *)
-          AX_CHECK_COMPILE_FLAG(
-            [-flto=auto],
-            [LTOFLAGS="-flto=auto -fuse-linker-plugin -ffat-lto-objects"],
-            [LTOFLAGS="-flto -fuse-linker-plugin -ffat-lto-objects"]
-          )        
+          LTOFLAGS="-flto -fuse-linker-plugin -ffat-lto-objects"
           ;;
       esac
       ;;