native_client_sdk/src/tools/host_gcc.mk

   1 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 #
   6 # GNU Make based build file.  For details on GNU Make see:
   7 #   http://www.gnu.org/software/make/manual/make.html
   8 #
   9
  10 ifdef ASAN
  11 CLANG = 1
  12 endif
  13
  14 ifdef TSAN
  15 CLANG = 1
  16 endif
  17
  18 ifdef MSAN
  19 CLANG = 1
  20 endif
  21
  22 #
  23 # Macros for TOOLS
  24 #
  25 # We use the C++ compiler for everything and then use the -Wl,-as-needed flag
  26 # in the linker to drop libc++ unless it's actually needed.
  27 #
  28 ifdef CLANG
  29 CC = clang
  30 CXX = clang++
  31 endif
  32
  33 ifdef NACL_COMPILER_PREFIX
  34 CC = $(NACL_COMPILER_PREFIX) $(CC)
  35 CXX = $(NACL_COMPILER_PREFIX) $(CXX)
  36 endif
  37
  38 LINK ?= $(CXX)
  39 AR ?= ar
  40 ARFLAGS = -crs
  41 STRIP ?= strip
  42
  43 ifeq (,$(findstring gcc,$(shell $(WHICH) gcc)))
  44 $(warning To skip the host build use:)
  45 $(warning "make all_versions NO_HOST_BUILDS=1")
  46 $(error Unable to find gcc in PATH while building Host build)
  47 endif
  48
  49 HOST_WARNINGS ?= -Wno-long-long -Wall -Werror
  50 HOST_CFLAGS = -fPIC -pthread $(HOST_WARNINGS) -I$(NACL_SDK_ROOT)/include
  51
  52 ifneq ($(OSNAME),mac)
  53 # Adding -Wl,-Bsymbolic means that symbols defined within the module are always
  54 # used by the module, and not shadowed by symbols already loaded in, for
  55 # exmaple, libc.  Without this the libc symbols (or anything injected with
  56 # LD_PRELOAD will take precedence).
  57 # -pthread is not needed on mac (libpthread is a symlink to libSystem) and
  58 # in fact generated a warning if passed at link time.
  59 HOST_LDFLAGS ?= -Wl,-Map,$(OUTDIR)/$(TARGET).map -Wl,-Bsymbolic -pthread
  60 HOST_CFLAGS += -I$(NACL_SDK_ROOT)/include/mac
  61 else
  62 HOST_LDFLAGS ?= -Wl,-map -Wl,$(OUTDIR)/$(TARGET).map
  63 HOST_CFLAGS += -I$(NACL_SDK_ROOT)/include/linux
  64 endif
  65
  66 ifdef ASAN
  67 HOST_CFLAGS += -fsanitize=address
  68 HOST_LDFLAGS += -pie -fsanitize=address
  69 endif
  70
  71 ifdef TSAN
  72 HOST_CFLAGS += -fsanitize=thread
  73 HOST_LDFLAGS += -pie -fsanitize=thread
  74 endif
  75
  76 ifdef MSAN
  77 HOST_CFLAGS += -fsanitize=memory
  78 HOST_LDFLAGS += -pie -fsanitize=memory
  79 endif
  80
  81 #
  82 # Individual Macros
  83 #
  84 # $1 = Source name
  85 # $2 = Compile flags
  86 #
  87 define C_COMPILER_RULE
  88 -include $(call SRC_TO_DEP,$(1))
  89 $(call SRC_TO_OBJ,$(1)): $(1) $(TOP_MAKE) | $(dir $(call SRC_TO_OBJ,$(1)))dir.stamp
  90         $(call LOG,CC  ,$$@,$(CC) -o $$@ -c $$< $(POSIX_CFLAGS) $(HOST_CFLAGS) $(CFLAGS) $(2))
  91         @$(FIXDEPS) $(call SRC_TO_DEP_PRE_FIXUP,$(1))
  92 endef
  93
  94 define CXX_COMPILER_RULE
  95 -include $(call SRC_TO_DEP,$(1))
  96 $(call SRC_TO_OBJ,$(1)): $(1) $(TOP_MAKE) | $(dir $(call SRC_TO_OBJ,$(1)))dir.stamp
  97         $(call LOG,CXX ,$$@,$(CXX) -o $$@ -c $$< $(POSIX_CFLAGS) $(HOST_CFLAGS) $(CXXFLAGS) $(2))
  98         @$(FIXDEPS) $(call SRC_TO_DEP_PRE_FIXUP,$(1))
  99 endef
 100
 101 #
 102 # Compile Macro
 103 #
 104 # $1 = Source name
 105 # $2 = POSIX compiler flags
 106 # $3 = VC compiler flags (unused)
 107 #
 108 define COMPILE_RULE
 109 ifeq ($(suffix $(1)),.c)
 110 $(call C_COMPILER_RULE,$(1),$(2) $(foreach inc,$(INC_PATHS),-I$(inc)))
 111 else
 112 $(call CXX_COMPILER_RULE,$(1),$(2) $(foreach inc,$(INC_PATHS),-I$(inc)))
 113 endif
 114 endef
 115
 116
 117 #
 118 # SO Macro
 119 #
 120 # $1 = Target name
 121 # $2 = list of source files
 122 #
 123 define SO_RULE
 124 $(error 'Shared libraries not supported by Host')
 125 endef
 126
 127
 128 #
 129 # LIB Macro
 130 #
 131 # $1 = Target name
 132 # $2 = List of source files
 133 #
 134 define LIB_RULE
 135 $(STAMPDIR)/$(1).stamp: $(LIBDIR)/$(OSNAME)_host/$(CONFIG_DIR)/lib$(1).a
 136         @echo "TOUCHED $$@" > $(STAMPDIR)/$(1).stamp
 137
 138 all: $(LIBDIR)/$(OSNAME)_host/$(CONFIG_DIR)/lib$(1).a
 139 $(LIBDIR)/$(OSNAME)_host/$(CONFIG_DIR)/lib$(1).a: $(foreach src,$(2),$(call SRC_TO_OBJ,$(src)))
 140         $(MKDIR) -p $$(dir $$@)
 141         $(RM) -f $$@
 142         $(call LOG,LIB,$$@,$(AR) $(ARFLAGS) $$@ $$^)
 143 endef
 144
 145
 146 #
 147 # Link Macro
 148 #
 149 # $1 = Target name
 150 # $2 = List of inputs
 151 # $3 = List of libs
 152 # $4 = List of deps
 153 # $5 = List of lib dirs
 154 # $6 = Linker flags
 155 #
 156 ifdef STANDALONE
 157 define LINKER_RULE
 158 all: $(1)
 159 $(1): $(2) $(foreach dep,$(4),$(STAMPDIR)/$(dep).stamp)
 160         $(call LOG,LINK,$$@,$(LINK) -o $(1) $(2) $(HOST_LDFLAGS) $(LDFLAGS) $(foreach path,$(5),-L$(path)/$(OSNAME)_host/$(CONFIG_DIR) -L$(path)/$(OSNAME)_host/$(CONFIG)) $(foreach lib,$(3),-l$(lib)) $(6))
 161 endef
 162 else
 163 define LINKER_RULE
 164 all: $(1)
 165 $(1): $(2) $(foreach dep,$(4),$(STAMPDIR)/$(dep).stamp)
 166         $(call LOG,LINK,$$@,$(LINK) -shared -o $(1) $(2) $(HOST_LDFLAGS) $(LDFLAGS) $(foreach path,$(5),-L$(path)/$(OSNAME)_host/$(CONFIG_DIR) -L$(path)/$(OSNAME)_host/$(CONFIG)) $(foreach lib,$(3),-l$(lib)) $(6))
 167 endef
 168 endif
 169
 170
 171 #
 172 # Link Macro
 173 #
 174 # $1 = Target Name
 175 # $2 = List of source files
 176 # $3 = List of LIBS
 177 # $4 = List of DEPS
 178 # $5 = POSIX linker flags
 179 # $6 = VC linker flags
 180 #
 181 define LINK_RULE
 182 $(call LINKER_RULE,$(OUTDIR)/$(1)$(HOST_EXT),$(foreach src,$(2),$(call SRC_TO_OBJ,$(src))),$(filter-out pthread,$(3)),$(4),$(LIB_PATHS),$(5))
 183 endef
 184
 185 all: $(LIB_LIST) $(DEPS_LIST)
 186
 187
 188 #
 189 # Strip Macro
 190 # The host build makes shared libraries, so the best we can do is -S, which
 191 # only strip debug symbols.  We don't strip the symbol names.
 192 #
 193 # $1 = Target name
 194 # $2 = Input name
 195 #
 196 define STRIP_RULE
 197 all: $(OUTDIR)/$(1)$(HOST_EXT)
 198 $(OUTDIR)/$(1)$(HOST_EXT): $(OUTDIR)/$(2)$(HOST_EXT)
 199         $(call LOG,STRIP,$$@,$(STRIP) -S -o $$@ $$^)
 200 endef
 201
 202
 203 #
 204 # Run standalone builds (command line builds outside of chrome)
 205 #
 206 ifdef STANDALONE
 207 run: all
 208         $(RUN_UNDER) $(OUTDIR)/$(TARGET)$(HOST_EXT) $(EXE_ARGS)
 209 endif