| # Top level -*- makefile -*- fragment for LTO |
| # Copyright (C) 2009-2021 Free Software Foundation, Inc. |
| |
| #This file is part of GCC. |
| |
| #GCC is free software; you can redistribute it and/or modify |
| #it under the terms of the GNU General Public License as published by |
| #the Free Software Foundation; either version 3, or (at your option) |
| #any later version. |
| |
| #GCC is distributed in the hope that it will be useful, |
| #but WITHOUT ANY WARRANTY; without even the implied warranty of |
| #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| #GNU General Public License for more details. |
| |
| # You should have received a copy of the GNU General Public License |
| # along with GCC; see the file COPYING3. If not see |
| # <http://www.gnu.org/licenses/>. |
| |
| # Variables |
| |
| # The name of the LTO compiler. |
| LTO_EXE = lto1$(exeext) |
| LTO_DUMP_EXE = lto-dump$(exeext) |
| LTO_DUMP_INSTALL_NAME := $(shell echo lto-dump|sed '$(program_transform_name)') |
| # The LTO-specific object files inclued in $(LTO_EXE). |
| LTO_OBJS = lto/lto-lang.o lto/lto.o lto/lto-object.o attribs.o lto/lto-partition.o lto/lto-symtab.o lto/lto-common.o |
| lto_OBJS = $(LTO_OBJS) |
| LTO_DUMP_OBJS = lto/lto-lang.o lto/lto-object.o attribs.o lto/lto-partition.o lto/lto-symtab.o lto/lto-dump.o lto/lto-common.o |
| lto_dump_OBJS = $(LTO_DUMP_OBJS) |
| |
| # this is only useful in a LTO bootstrap, but this does not work right |
| # now. Should reenable after this is fixed, but only when LTO bootstrap |
| # is enabled. |
| |
| #ifeq ($(if $(wildcard ../stage_current),$(shell cat \ |
| # ../stage_current)),stageautofeedback) |
| #$(LTO_OBJS): CFLAGS += -fauto-profile=lto1.fda |
| #$(LTO_OBJS): lto1.fda |
| #endif |
| |
| # Rules |
| |
| lto: $(LTO_EXE) $(LTO_DUMP_EXE) |
| lto1.serial = $(LTO_EXE) |
| lto2.serial = $(LTO_DUMP_EXE) |
| |
| .PHONY: lto |
| |
| # These hooks are used by the main GCC Makefile. Consult that |
| # Makefile for documentation. |
| lto.all.cross: |
| lto.start.encap: |
| lto.rest.encap: |
| lto.tags: |
| lto.install-common: installdirs |
| $(INSTALL_PROGRAM) $(LTO_DUMP_EXE) \ |
| $(DESTDIR)$(bindir)/$(LTO_DUMP_INSTALL_NAME)$(exeext) |
| |
| lto.install-man: |
| lto.install-info: |
| lto.dvi: |
| lto.pdf: |
| lto.install-pdf: |
| lto.html: |
| lto.install-html: |
| lto.uninstall: |
| lto.info: |
| lto.man: |
| lto.srcextra: |
| lto.srcman: |
| lto.srcinfo: |
| lto.install-plugin: |
| |
| lto.mostlyclean: |
| rm -f $(LTO_OBJS) $(LTO_EXE) lto1.fda $(LTO_DUMP_OBJS) $(LTO_DUMP_EXE) lto-dump.fda |
| |
| lto.clean: |
| lto.distclean: |
| lto.maintainer-clean: |
| lto.stage1: |
| lto.stage2: |
| lto.stage3: |
| lto.stage4: |
| lto.stageprofile: |
| lto.stagefeedback: |
| |
| # LTO rules. |
| |
| # Use strict warnings for this front end. |
| lto-warn = $(STRICT_WARN) |
| |
| $(LTO_EXE): $(LTO_OBJS) $(BACKEND) $(LIBDEPS) $(lto1.prev) |
| @$(call LINK_PROGRESS,$(INDEX.lto1),start) |
| +$(LLINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ \ |
| $(LTO_OBJS) $(BACKEND) $(BACKENDLIBS) $(LIBS) |
| @$(call LINK_PROGRESS,$(INDEX.lto1),end) |
| |
| $(LTO_DUMP_EXE): $(LTO_DUMP_OBJS) $(BACKEND) $(LIBDEPS) $(lto2.prev) |
| @$(call LINK_PROGRESS,$(INDEX.lto2),start) |
| +$(LLINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ \ |
| $(LTO_DUMP_OBJS) $(BACKEND) $(BACKENDLIBS) $(LIBS) |
| @$(call LINK_PROGRESS,$(INDEX.lto2),end) |
| |
| lto/lto-dump.o: $(LTO_OBJS) |
| |
| lto1.fda: ../prev-gcc/lto1$(exeext) ../prev-gcc/$(PERF_DATA) |
| $(CREATE_GCOV) -binary ../prev-gcc/lto1$(exeext) -gcov lto1.fda -profile ../prev-gcc/$(PERF_DATA) -gcov_version 1 |
| |
| # LTO testing is done as part of C/C++/Fortran etc. testing. |
| check-lto: |
| |
| # No LTO-specific selftests |
| selftest-lto: |