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# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# GNU Make based build file. For details on GNU Make see:
# http://www.gnu.org/software/make/manual/make.html
#
#
#
# Macros for TOOLS
#
# We use the C++ compiler for everything and then use the -Wl,-as-needed flag
# in the linker to drop libc++ unless it's actually needed.
#
HOST_CC?=cl.exe /nologo
HOST_CXX?=cl.exe /nologo /EHsc
HOST_LINK?=link.exe /nologo
HOST_LIB?=lib.exe /nologo
ifeq (,$(findstring cl.exe,$(shell $(WHICH) cl.exe)))
$(warning To skip the host build use:)
$(warning "make NO_HOST_BUILDS=1")
$(error Unable to find cl.exe in PATH while building Windows host build)
endif
ifeq ('Debug','$(CONFIG)')
WIN_OPT_FLAGS?=/Od /MTd /Z7 -D NACL_SDK_DEBUG
else
WIN_OPT_FLAGS?=/O2 /MT /Z7
endif
WIN_FLAGS?=-D WIN32 -D _WIN32 -D PTW32_STATIC_LIB
#
# Individual Macros
#
# $1 = Source Name
# $2 = Compile Flags
#
define C_COMPILER_RULE
$(call SRC_TO_OBJ,$(1)): $(1) $(TOP_MAKE) | $(dir $(call SRC_TO_OBJ,$(1)))dir.stamp
$(call LOG,CC,$$@,$(HOST_CC) /Fo$$@ /c $$< $(WIN_OPT_FLAGS) $(2) $(WIN_FLAGS))
endef
define CXX_COMPILER_RULE
$(call SRC_TO_OBJ,$(1)): $(1) $(TOP_MAKE) | $(dir $(call SRC_TO_OBJ,$(1)))dir.stamp
$(call LOG,CXX,$$@,$(HOST_CXX) /Fo$$@ -c $$< $(WIN_OPT_FLAGS) $(2) $(WIN_FLAGS))
endef
# $1 = Source Name
# $2 = POSIX Compile Flags (unused)
# $3 = VC Compile Flags
#
define COMPILE_RULE
ifeq ($(suffix $(1)),.c)
$(call C_COMPILER_RULE,$(1),$(3) $(foreach inc,$(INC_PATHS),/I$(inc)))
else
$(call CXX_COMPILER_RULE,$(1),$(3) $(foreach inc,$(INC_PATHS),/I$(inc)))
endif
endef
#
# LIB Macro
#
# $1 = Target Name
# $2 = List of Sources
#
#
define LIB_RULE
$(STAMPDIR)/$(1).stamp : $(NACL_SDK_ROOT)/lib/$(OSNAME)_x86_32_host/$(CONFIG)/$(1).lib
@echo "TOUCHED $$@" > $(STAMPDIR)/$(1).stamp
all:$(NACL_SDK_ROOT)/lib/$(OSNAME)_x86_32_host/$(CONFIG)/$(1).lib
$(NACL_SDK_ROOT)/lib/$(OSNAME)_x86_32_host/$(CONFIG)/$(1).lib : $(foreach src,$(2),$(OUTDIR)/$(basename $(src)).o)
$(MKDIR) -p $$(dir $$@)
$(call LOG,LIB,$$@,$(HOST_LIB) /OUT:$$@ $$^ $(WIN_LDFLAGS))
endef
#
# Link Macro
#
# $1 = Target Name
# $2 = List of inputs
# $3 = List of libs
# $4 = List of deps
# $5 = List of lib dirs
# $6 = Other Linker Args
#
define LINKER_RULE
all: $(1)
$(1) : $(2) $(foreach dep,$(4),$(STAMPDIR)/$(dep).stamp)
$(call LOG,LINK,$$@,$(HOST_LINK) /DLL /OUT:$(1) /PDB:$(1).pdb $(2) /DEBUG $(foreach path,$(5),/LIBPATH:$(path)/$(OSNAME)_x86_32_host/$(CONFIG)) $(foreach lib,$(3),$(lib).lib) $(6))
endef
#
# Link Macro
#
# $1 = Target Name
# $2 = List of Sources
# $3 = List of LIBS
# $4 = List of DEPS
# $5 = POSIX Linker Switches
# $6 = VC Linker Switches
#
define LINK_RULE
$(call LINKER_RULE,$(OUTDIR)/$(1)$(HOST_EXT),$(foreach src,$(2),$(OUTDIR)/$(basename $(src)).o),$(3),$(4),$(LIB_PATHS),$(6))
endef
all : $(LIB_LIST) $(DEPS_LIST)
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