gcc/lto/Make-lang.in

   1 # Top level -*- makefile -*- fragment for LTO
   2 #   Copyright (C) 2009-2021 Free Software Foundation, Inc.
   3
   4 #This file is part of GCC.
   5
   6 #GCC is free software; you can redistribute it and/or modify
   7 #it under the terms of the GNU General Public License as published by
   8 #the Free Software Foundation; either version 3, or (at your option)
   9 #any later version.
  10
  11 #GCC is distributed in the hope that it will be useful,
  12 #but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 #GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with GCC; see the file COPYING3.  If not see
  18 # <http://www.gnu.org/licenses/>.
  19
  20 # Variables
  21
  22 # The name of the LTO compiler.
  23 LTO_EXE = lto1$(exeext)
  24 LTO_DUMP_EXE = lto-dump$(exeext)
  25 LTO_DUMP_INSTALL_NAME := $(shell echo lto-dump|sed '$(program_transform_name)')
  26 # The LTO-specific object files inclued in $(LTO_EXE).
  27 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
  28 lto_OBJS = $(LTO_OBJS)
  29 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
  30 lto_dump_OBJS = $(LTO_DUMP_OBJS)
  31
  32 # this is only useful in a LTO bootstrap, but this does not work right
  33 # now. Should reenable after this is fixed, but only when LTO bootstrap
  34 # is enabled.
  35
  36 #ifeq ($(if $(wildcard ../stage_current),$(shell cat \
  37 #  ../stage_current)),stageautofeedback)
  38 #$(LTO_OBJS): CFLAGS += -fauto-profile=lto1.fda
  39 #$(LTO_OBJS): lto1.fda
  40 #endif
  41
  42 # Rules
  43
  44 lto: $(LTO_EXE) $(LTO_DUMP_EXE)
  45 lto1.serial = $(LTO_EXE)
  46 lto2.serial = $(LTO_DUMP_EXE)
  47
  48 .PHONY: lto
  49
  50 # These hooks are used by the main GCC Makefile.  Consult that
  51 # Makefile for documentation.
  52 lto.all.cross:
  53 lto.start.encap:
  54 lto.rest.encap:
  55 lto.tags:
  56 lto.install-common: installdirs
  57         $(INSTALL_PROGRAM) $(LTO_DUMP_EXE) \
  58         $(DESTDIR)$(bindir)/$(LTO_DUMP_INSTALL_NAME)$(exeext)
  59
  60 lto.install-man:
  61 lto.install-info:
  62 lto.dvi:
  63 lto.pdf:
  64 lto.install-pdf:
  65 lto.html:
  66 lto.install-html:
  67 lto.uninstall:
  68 lto.info:
  69 lto.man:
  70 lto.srcextra:
  71 lto.srcman:
  72 lto.srcinfo:
  73 lto.install-plugin:
  74
  75 lto.mostlyclean:
  76         rm -f $(LTO_OBJS) $(LTO_EXE) lto1.fda $(LTO_DUMP_OBJS) $(LTO_DUMP_EXE) lto-dump.fda
  77
  78 lto.clean:
  79 lto.distclean:
  80 lto.maintainer-clean:
  81 lto.stage1:
  82 lto.stage2:
  83 lto.stage3:
  84 lto.stage4:
  85 lto.stageprofile:
  86 lto.stagefeedback:
  87
  88 # LTO rules.
  89
  90 # Use strict warnings for this front end.
  91 lto-warn = $(STRICT_WARN)
  92
  93 $(LTO_EXE): $(LTO_OBJS) $(BACKEND) $(LIBDEPS) $(lto1.prev)
  94         @$(call LINK_PROGRESS,$(INDEX.lto1),start)
  95         +$(LLINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ \
  96                 $(LTO_OBJS) $(BACKEND) $(BACKENDLIBS) $(LIBS)
  97         @$(call LINK_PROGRESS,$(INDEX.lto1),end)
  98
  99 $(LTO_DUMP_EXE): $(LTO_DUMP_OBJS) $(BACKEND) $(LIBDEPS) $(lto2.prev)
 100         @$(call LINK_PROGRESS,$(INDEX.lto2),start)
 101         +$(LLINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ \
 102                 $(LTO_DUMP_OBJS) $(BACKEND) $(BACKENDLIBS) $(LIBS)
 103         @$(call LINK_PROGRESS,$(INDEX.lto2),end)
 104
 105 lto/lto-dump.o: $(LTO_OBJS)
 106
 107 lto1.fda: ../prev-gcc/lto1$(exeext) ../prev-gcc/$(PERF_DATA)
 108         $(CREATE_GCOV) -binary ../prev-gcc/lto1$(exeext) -gcov lto1.fda -profile ../prev-gcc/$(PERF_DATA) -gcov_version 1
 109
 110 # LTO testing is done as part of C/C++/Fortran etc. testing.
 111 check-lto:
 112
 113 # No LTO-specific selftests
 114 selftest-lto: