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
  11
  12 #
  13 # Macros for TOOLS
  14 #
  15 # We use the C++ compiler for everything and then use the -Wl,-as-needed flag
  16 # in the linker to drop libc++ unless it's actually needed.
  17 #
  18 HOST_CC?=gcc
  19 HOST_CXX?=g++
  20 HOST_LINK?=g++
  21 HOST_LIB?=ar r
  22
  23
  24 LINUX_WARNINGS?=-Wno-long-long
  25 LINUX_CCFLAGS=-fPIC -pthread $(LINUX_WARNINGS) -I$(NACL_SDK_ROOT)/include -I$(NACL_SDK_ROOT)/include/linux
  26
  27
  28 #
  29 # Individual Macros
  30 #
  31 # $1 = Source Name
  32 # $2 = Compile Flags
  33 #
  34 define C_COMPILER_RULE
  35 $(OUTDIR)/$(basename $(1)).o : $(1) $(TOP_MAKE) | $(OUTDIR)
  36         $(HOST_CC) -o $$@ -c $$< -fPIC $(POSIX_FLAGS) $(2) $(LINUX_FLAGS)
  37 endef
  38
  39 define CXX_COMPILER_RULE
  40 $(OUTDIR)/$(basename $(1)).o : $(1) $(TOP_MAKE) | $(OUTDIR)
  41         $(HOST_CXX) -o $$@ -c $$< -fPIC $(POSIX_FLAGS) $(2) $(LINUX_FLAGS)
  42 endef
  43
  44
  45 # $1 = Source Name
  46 # $2 = POSIX Compile Flags
  47 # $3 = VC Flags (unused)
  48 #
  49 define COMPILE_RULE
  50 ifeq ('.c','$(suffix $(1))')
  51 $(call C_COMPILER_RULE,$(1),$(2) $(foreach inc,$(INC_PATHS),-I$(inc)))
  52 else
  53 $(call CXX_COMPILER_RULE,$(1),$(2) $(foreach inc,$(INC_PATHS),-I$(inc)))
  54 endif
  55 endef
  56
  57
  58 #
  59 # SO Macro
  60 #
  61 # $1 = Target Name
  62 # $2 = List of Sources
  63 #
  64 #
  65 define SO_RULE
  66 $(error 'Shared libraries not supported by Host')
  67 endef
  68
  69
  70 #
  71 # LIB Macro
  72 #
  73 # $1 = Target Name
  74 # $2 = List of Sources
  75 #
  76 #
  77 define LIB_RULE
  78 all:$(NACL_SDK_ROOT)/lib/$(OSNAME)_host/$(CONFIG)/lib$(1).a
  79 $(NACL_SDK_ROOT)/lib/$(OSNAME)_host/$(CONFIG)/lib$(1).a : $(foreach src,$(2),$(OUTDIR)/$(basename $(src)).o)
  80         $(MKDIR) -p $$(dir $$@)
  81         $(HOST_LIB) $$@ $$^
  82 endef
  83
  84
  85 #
  86 # Link Macro
  87 #
  88 # $1 = Target Name
  89 # $2 = List of inputs
  90 # $3 = List of libs
  91 # $4 = List of deps
  92 # $5 = List of lib dirs
  93 # $6 = Other Linker Args
  94 #
  95 define LINKER_RULE
  96 all: $(1)
  97 $(1) : $(2) $(4)
  98         $(HOST_LINK) -shared -o $(1) $(2) $(foreach path,$(5),-L$(path)/$(OSNAME)_host)/$(CONFIG) $(foreach lib,$(3),-l$(lib)) $(6)
  99 endef
 100
 101
 102 #
 103 # Link Macro
 104 #
 105 # $1 = Target Name
 106 # $2 = List of Sources
 107 # $3 = List of LIBS
 108 # $4 = List of DEPS
 109 # $5 = POSIX Linker Switches
 110 # $6 = VC Linker Switches
 111 #
 112 define LINK_RULE
 113 $(call LINKER_RULE,$(OUTDIR)/$(1)$(HOST_EXT),$(foreach src,$(2),$(OUTDIR)/$(basename $(src)).o),$(filter-out pthread,$(3)),$(4),$(LIB_PATHS),$(5))
 114 endef
 115
 116
 117 #
 118 # NMF Manifiest generation
 119 #
 120 # Use the python script create_nmf to scan the binaries for dependencies using
 121 # objdump.  Pass in the (-L) paths to the default library toolchains so that we
 122 # can find those libraries and have it automatically copy the files (-s) to
 123 # the target directory for us.
 124 #
 125 # $1 = Target Name (the basename of the nmf
 126 # $2 = Additional create_nmf.py arguments
 127 #
 128 NMF:=python $(NACL_SDK_ROOT)/tools/create_nmf.py
 129
 130 define NMF_RULE
 131 NMF_LIST+=$(OUTDIR)/$(1).nmf
 132 $(OUTDIR)/$(1).nmf : $(OUTDIR)/$(1)$(HOST_EXT)
 133         @echo "Host Toolchain" > $$@
 134 endef
 135
 136 all : $(LIB_LIST) $(DEPS_LIST) $(NMF_LIST)
 137