#

# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.

# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

#

# This code is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License version 2 only, as

# published by the Free Software Foundation.  Oracle designates this

# particular file as subject to the "Classpath" exception as provided

# by Oracle in the LICENSE file that accompanied this code.

#

# This code 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

# version 2 for more details (a copy is included in the LICENSE file that

# accompanied this code).

#

# You should have received a copy of the GNU General Public License version

# 2 along with this work; if not, write to the Free Software Foundation,

# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

#

# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

# or visit www.oracle.com if you need additional information or have any

# questions.

#

# When you read this source. Remember that $(sort ...) has the side effect

# of removing duplicates. It is actually this side effect that is

# desired whenever sort is used below!

ifeq  (,$(_MAKEBASE_GMK))

endif

ifeq ($(COMPILER_TYPE),CC)

    COMPILING_MSG=echo Compiling $1

    LINKING_MSG=echo Linking $1

    LINKING_EXE_MSG=echo Linking executable $1

    ARCHIVING_MSG=echo Archiving $1

else

    COMPILING_MSG=

    LINKING_MSG=

    LINKING_EXE_MSG=

    ARCHIVING_MSG=

endif

define add_native_source

    # param 1 = BUILD_MYPACKAGE

    # parma 2 = the source file name (..../alfa.c or .../beta.cpp)

    # param 3 = the bin dir that stores all .o (.obj) and .d files.

    # param 4 = the c flags to the compiler

    # param 5 = the c compiler

    # param 6 = the c++ flags to the compiler

    # param 7 = the c++ compiler

    ifneq (,$$(filter %.c,$2))

        # Compile as a C file

        $1_$2_COMP=$5

    else

        # Compile as a C++ file

        $1_$2_COMP=$7

    endif

    # Generate the .o (.obj) file name and place it in the bin dir.

    # Only continue if this object file hasn't been processed already. This lets the first found

    # source file override any other with the same name.

    ifeq (,$$(findstring $$($1_$2_OBJ),$$($1_OBJS_SO_FAR)))

        $1_OBJS_SO_FAR+=$$($1_$2_OBJ)

        # And this is the dependency file for this obj file.

        $1_$2_DEP:=$$(patsubst %$(OBJ_SUFFIX),%.d,$$($1_$2_OBJ))

        # Include previously generated dependency information. (if it exists)

        -include $$($1_$2_DEP)

        ifeq ($(COMPILER_TYPE),CL)

            $1_$2_DEBUG_OUT_FLAGS:=-Fd$$(patsubst %$(OBJ_SUFFIX),%.pdb,$$($1_$2_OBJ)) \

				   -Fm$$(patsubst %$(OBJ_SUFFIX),%.map,$$($1_$2_OBJ))

        endif

        $$($1_$2_OBJ) : $2

        ifeq ($(COMPILER_TYPE),CC)

		$$(call COMPILING_MSG,$$(notdir $2))

        endif

        ifeq ($(COMPILER_TYPE),CL)

		$$(call COMPILING_MSG,$$(notdir $2))

		$$($1_$2_COMP) $$($1_$2_FLAGS) $$($1_$2_DEBUG_OUT_FLAGS) -c $(CC_OUT_OPTION)$$($1_$2_OBJ) $2

        endif

    endif

endef

define SetupNativeCompilation

    # param 1 is for example BUILD_MYPACKAGE

    # param 2,3,4,5,6,7,8 are named args.

    #    SRC one or more directory roots to scan for C/C++ files.

    #    LANG C or C++

    #    CFLAGS the compiler flags to be used, used both for C and C++.

    #    CXXFLAGS the compiler flags to be used for c++, if set overrides CFLAGS.

    #    LDFLAGS the linker flags to be used, used both for C and C++.

    #    LDFLAGS_SUFFIX the linker flags to be added last on the commandline

    #        typically the libraries linked to.

    #    ARFLAGS the archiver flags to be used

    #    BIN the directory where we store the object files

    #    LIB the resulting library file

    #    EXE the resulting exec file

    #    INCLUDES only pick source from these directories

    #    EXCLUDES do not pick source from these directories

    #    INCLUDE_FILES only compile exactly these files!

    #    EXCLUDE_FILES with these names

    #    VERSIONINFO_RESOURCE Input file for RC. Setting this implies that RC will be run

    #    RC_FLAGS flags for RC.

    $(if $2,$1_$(strip $2))

    $(if $3,$1_$(strip $3))

    $(if $4,$1_$(strip $4))

    $(if $5,$1_$(strip $5))

    $(if $6,$1_$(strip $6))

    $(if $7,$1_$(strip $7))

    $(if $8,$1_$(strip $8))

    $(if $9,$1_$(strip $9))

    $(if $(10),$1_$(strip $(10)))

    $(if $(11),$1_$(strip $(11)))

    $(if $(12),$1_$(strip $(12)))

    $(if $(13),$1_$(strip $(13)))

    $(if $(14),$1_$(strip $(14)))

    $(if $(15),$1_$(strip $(15)))

    $(if $(16),$1_$(strip $(16)))

    $(if $(17),$1_$(strip $(17)))

    $(if $(18),$1_$(strip $(18)))

    $(if $(19),$1_$(strip $(19)))

    $(if $(20),$1_$(strip $(20)))

    ifeq (,$$($1_LANG))

        $$(error You have to specify LANG for native compilation $1)

    endif

    ifeq (C,$$($1_LANG))

	$1_LD:=$(LD)

	$1_LDEXE:=$(LDEXE)

    else

       ifeq (C++,$$($1_LANG))

           $1_LD:=$(LDCXX)

	   $1_LDEXE:=$(LDEXECXX)

       else

           $$(error Unknown native language $$($1_LANG) for $1)

       endif

    endif

    # Make sure the dirs exist.

    $$(shell $(MKDIR) -p $$($1_SRC) $$($1_BIN) $$(dir $$($1_LIB)) $$(dir $$($1_EXE)))

    # Find all files in the source trees. Sort to remove duplicates.

    $1_ALL_SRCS := $$(sort $$(foreach i,$$($1_SRC), $$(shell $(FIND) $$i -type f)))

    # Extract the C/C++ files.

    $1_EXCLUDE_FILES:=$$(foreach i,$$($1_SRC),$$(addprefix $$i/,$$($1_EXCLUDE_FILES)))

    $1_INCLUDE_FILES:=$$(foreach i,$$($1_SRC),$$(addprefix $$i/,$$($1_INCLUDE_FILES)))

    ifneq ($$($1_EXCLUDE_FILES),)

        $1_EXCLUDE_FILES:=$$(addprefix %,$$($1_EXCLUDE_FILES))

    endif

    ifneq (,$$(strip $$($1_INCLUDE_FILES)))

        $1_SRCS := $$(filter $$($1_INCLUDE_FILES),$$($1_SRCS))

    endif

    ifeq (,$$($1_SRCS))

        $$(error No sources found for $1 when looking inside the dirs $$($1_SRC))

    endif

    # There can be only a single bin dir root, no need to foreach over the roots.

    $1_BINS     := $$(wildcard $$($1_BIN)/*$(OBJ_SUFFIX))

    # Now we have a list of all c/c++ files to compile: $$($1_SRCS)

    # and we have a list of all existing object files: $$($1_BINS)

    # Prepend the source/bin path to the filter expressions. Then do the filtering.

    ifneq ($$($1_INCLUDES),)

        $1_SRC_INCLUDES := $$(foreach i,$$($1_SRC),$$(addprefix $$i/,$$(addsuffix /%,$$($1_INCLUDES))))

        $1_SRCS         := $$(filter $$($1_SRC_INCLUDES),$$($1_SRCS))

    endif

    ifneq ($$($1_EXCLUDES),)

        $1_SRC_EXCLUDES := $$(foreach i,$$($1_SRC),$$(addprefix $$i/,$$(addsuffix /%,$$($1_EXCLUDES))))

        $1_SRCS         := $$(filter-out $$($1_SRC_EXCLUDES),$$($1_SRCS))

    endif

    # Calculate the expected output from compiling the sources (sort to remove duplicates. Also provides

    # a reproducable order on the input files to the linker).

    $1 := $$($1_EXPECTED_OBJS)

    # Are there too many object files on disk? Perhaps because some source file was removed?

    $1_SUPERFLOUS_OBJS:=$$(sort $$(filter-out $$($1_EXPECTED_OBJS),$$($1_BINS)))

    # Clean out the superfluous object files.

    $$(shell $(RM) -f $$($1_SUPERFLUOUS_OBJS))

    # Pickup extra HOST_OS_API and/or PLATFORM dependent variables for CFLAGS.

    $1_EXTRA_CFLAGS:=$$($1_CFLAGS_$(HOST_OS_API)) $$($1_CFLAGS_$(PLATFORM))

    ifneq ($(DEBUG_LEVEL),release)

        # Pickup extra debug dependent variables for CFLAGS

        $1_EXTRA_CFLAGS+=$$($1_CFLAGS_debug)

        $1_EXTRA_CFLAGS+=$$($1_CFLAGS_$(HOST_OS_API)_debug)

        $1_EXTRA_CFLAGS+=$$($1_CFLAGS_$(PLATFORM)_debug)

    else

        $1_EXTRA_CFLAGS+=$$($1_CFLAGS_release)

        $1_EXTRA_CFLAGS+=$$($1_CFLAGS_$(HOST_OS_API)_release)

        $1_EXTRA_CFLAGS+=$$($1_CFLAGS_$(PLATFORM)_release)

    endif

    # Pickup extra HOST_OS_API and/or PLATFORM dependent variables for CXXFLAGS.

    $1_EXTRA_CXXFLAGS:=$$($1_CXXFLAGS_$(HOST_OS_API)) $$($1_CXXFLAGS_$(PLATFORM))

    ifneq ($(DEBUG_LEVEL),release)

        # Pickup extra debug dependent variables for CXXFLAGS

        $1_EXTRA_CXXFLAGS+=$$($1_CXXFLAGS_debug)

        $1_EXTRA_CXXFLAGS+=$$($1_CXXFLAGS_$(HOST_OS_API)_debug)

        $1_EXTRA_CXXFLAGS+=$$($1_CXXFLAGS_$(PLATFORM)_debug)

    else

        $1_EXTRA_CXXFLAGS+=$$($1_CXXFLAGS_release)

        $1_EXTRA_CXXFLAGS+=$$($1_CXXFLAGS_$(HOST_OS_API)_release)

        $1_EXTRA_CXXFLAGS+=$$($1_CXXFLAGS_$(PLATFORM)_release)

    endif

    ifeq ($$($1_CXXFLAGS),)

        $1_CXXFLAGS:=$$($1_CFLAGS)

    endif

    ifeq ($$(strip $$($1_EXTRA_CXXFLAGS)),)

        $1_EXTRA_CXXFLAGS:=$$($1_EXTRA_CFLAGS)

    endif

    # Now create a list of the packages that are about to compile. Used when sending source

    # in a batch to the compiler.

    $$(shell $(RM) $$($1_BIN)/_the.list_of_sources)

    $$(eval $$(call ListPathsSafelyNow,$1_SRCS,\n, >> $$($1_BIN)/_the.list_of_sources))

    # Now call add_native_source for each source file we are going to compile.

    $$(foreach p,$$($1_SRCS),\

        $$(eval $$(call add_native_source,$1,$$p,$$($1_BIN),\

                        $$($1_CFLAGS) $$($1_EXTRA_CFLAGS),$(CC),\

			$$($1_CXXFLAGS) $$($1_EXTRA_CXXFLAGS),$(CXX))))

    # On windows we need to create a resource file

    ifeq ($(HOST_OS_API), winapi)

        ifneq (,$$($1_VERSIONINFO_RESOURCE))

            ifneq (,$$($1_LIB))

            endif

            ifneq (,$$($1_EXE))

            endif

            $$($1_RES): $$($1_VERSIONINFO_RESOURCE)

		$(RC) $$($1_RC_FLAGS) $(CC_OUT_OPTION)$$@ $$($1_VERSIONINFO_RESOURCE)

        endif

    endif

    # Pickup extra HOST_OS_API dependent variables (posix or winapi) and 

    # (linux,solaris,windows,bsd) for LDFLAGS and LDFLAGS_SUFFIX

    $1_EXTRA_LDFLAGS:=$$($1_LDFLAGS_$(HOST_OS_API)) $$($1_LDFLAGS_$(PLATFORM))

    $1_EXTRA_LDFLAGS_SUFFIX:=$$($1_LDFLAGS_SUFFIX_$(HOST_OS_API)) $$($1_LDFLAGS_SUFFIX_$(PLATFORM))

    ifneq (,$$($1_LIB))

        ifeq (dynamic,$$(patsubst %$(SHARED_LIBRARY_SUFFIX),dynamic,$$($1_LIB)))

            # Generating a dynamic library.

            $1_EXTRA_LDFLAGS+=$$(call SET_SHARED_LIBRARY_NAME,$$(notdir $$($1_LIB)))

	    	$$(call LINKING_MSG,$$(notdir $$($1_LIB)))

		$$($1_LD) $$($1_LDFLAGS) $$($1_EXTRA_LDFLAGS) $(LD_OUT_OPTION)$$($1_LIB) \

			$$($1_EXPECTED_OBJS) $$($1_RES) $$($1_LDFLAGS_SUFFIX) $$($1_EXTRA_LDFLAGS_SUFFIX)

        else

            # Generating a static library, ie object file archive.

            $$($1_LIB) : $$($1_EXPECTED_OBJS) $$($1_RES)

	    	$$(call ARCHIVING_MSG,$$(notdir $$($1_LIB)))

		$(AR) $$($1_AR_FLAGS) $(AR_OUT_OPTION)$$($1_LIB) $$($1_EXPECTED_OBJS) \

			$$($1_RES) $$($1_LDFLAGS_SUFFIX) $$($1_EXTRA_LDFLAGS_SUFFIX)

       endif

    endif

    ifneq (,$$($1_EXE))

        # A executable binary has been specified, setup the target for it.

	    	$$(call LINKING_EXE_MSG,$$(notdir $$($1_EXE)))

		$$($1_LDEXE) $$($1_LDFLAGS) $$($1_EXTRA_LDFLAGS) $(EXE_OUT_OPTION)$$($1_EXE) \

    endif

endef