#
#          Copyright Andrey Semashev 2007 - 2014.
# Distributed under the Boost Software License, Version 1.0.
#    (See accompanying file LICENSE_1_0.txt or copy at
#          http://www.boost.org/LICENSE_1_0.txt)
#

import common ;
import modules ;
import os ;
import path ;
import project ;
import feature ;
import configure ;
import log-architecture ;
using mc ;

local here = [ modules.binding $(__name__) ] ;

project.push-current [ project.current ] ;
project.load [ path.join [ path.make $(here:D) ] ../config/message-compiler ] ;
project.pop-current ;
project.push-current [ project.current ] ;
project.load [ path.join [ path.make $(here:D) ] ../config/x86-ext ] ;
project.pop-current ;

# Windows libs
lib psapi ;
lib ws2_32 ;
lib mswsock ;

# UNIX libs
lib rt ;
lib socket ;
lib nsl ;
lib ipv6 ;

feature.feature log-api : generic winnt unix ;

rule check-instruction-set ( properties * )
{
    local result ;
    local instruction_set = [ feature.get-values "log-instruction-set" : [ log-architecture.deduce-instruction-set $(properties) ] ] ;

    if $(instruction_set) = i386 || $(instruction_set) = i486
    {
        if ! $(.annouced-failure)
        {
            ECHO Boost.Log is not supported on the specified target CPU and will not be built. At least i586 class CPU is required. ;
            .annouced-failure = 1 ;
        }
        result = <build>no ;
    }

    return $(result) ;
}

rule select-log-api ( properties * )
{
    local result = <log-api>generic ;

    local target_os = [ feature.get-values "target-os" : $(properties) ] ;
    switch $(target_os)
    {
    case windows :
        # We have to verify if message compiler is available
        if ! ( <define>BOOST_LOG_WITHOUT_EVENT_LOG in $(properties) || <define>BOOST_LOG_WITHOUT_EVENT_LOG=1 in $(properties) )
        {
            local has_mc = [ configure.builds /boost/message-compiler//test-availability : $(properties) : message-compiler ] ;
            if $(has_mc)
            {
                result = <log-api>winnt ;
            }
        }

    case linux : result = <log-api>unix ;
    case *bsd : result = <log-api>unix ;
    case darwin : result = <log-api>unix ;
    case unix : result = <log-api>unix ;
    case unixware : result = <log-api>unix ;
    case cygwin : result = <log-api>unix ;
    case hpux : result = <log-api>unix ;
    case solaris : result = <log-api>unix ;
    case qnx* : result = <log-api>unix ;
    case sgi : result = <log-api>unix ;
    case aix : result = <log-api>unix ;

    case * : result = <log-api>generic ;
    }

    if ! <log-api>winnt in $(result)
    {
        result += <define>BOOST_LOG_WITHOUT_EVENT_LOG ;
    }
    if <log-api>unix in $(result)
    {
        result += <define>BOOST_LOG_USE_NATIVE_SYSLOG ;
    }

    return $(result) ;
}

rule select-regex-backend ( properties * )
{
    local result = ;

    # Use Boost.Regex backend by default. It produces smaller executables and also has the best performance for small string matching.
    if ! ( <define>BOOST_LOG_WITHOUT_SETTINGS_PARSERS in $(properties) || <define>BOOST_LOG_WITHOUT_DEFAULT_FACTORIES in $(properties) || <define>BOOST_LOG_USE_STD_REGEX in $(properties) || <define>BOOST_LOG_USE_BOOST_XPRESSIVE in $(properties) )
    {
        result = <library>/boost/regex//boost_regex ;
    }

    return $(result) ;
}

project boost/log
    : source-location ../src
    : requirements
        <conditional>@select-log-api
        <conditional>@check-instruction-set
        <conditional>@select-regex-backend
        <define>BOOST_SPIRIT_USE_PHOENIX_V3=1
        <define>BOOST_THREAD_DONT_USE_CHRONO=1 # Don't introduce false dependency on Boost.Chrono

        # Disable warnings about using 'insecure' standard C functions
        <toolset>msvc:<define>_SCL_SECURE_NO_WARNINGS
        <toolset>msvc:<define>_SCL_SECURE_NO_DEPRECATE
        <toolset>msvc:<define>_CRT_SECURE_NO_WARNINGS
        <toolset>msvc:<define>_CRT_SECURE_NO_DEPRECATE
        <toolset>intel-win:<define>_SCL_SECURE_NO_WARNINGS
        <toolset>intel-win:<define>_SCL_SECURE_NO_DEPRECATE
        <toolset>intel-win:<define>_CRT_SECURE_NO_WARNINGS
        <toolset>intel-win:<define>_CRT_SECURE_NO_DEPRECATE

        <toolset>msvc:<cxxflags>/bigobj
        <toolset>msvc:<cxxflags>/wd4503 # decorated name length exceeded, name was truncated
        <toolset>msvc:<cxxflags>/wd4456 # declaration of 'A' hides previous local declaration
        <toolset>msvc:<cxxflags>/wd4459 # declaration of 'A' hides global declaration

        # Disable Intel warnings:
        # warning #177: function "X" was declared but never referenced
        # warning #780: using-declaration ignored -- it refers to the current namespace
        # warning #2196: routine is both "inline" and "noinline"
        # remark #1782: #pragma once is obsolete. Use #ifndef guard instead.
        # remark #193: zero used for undefined preprocessing identifier "X"
        # remark #304: access control not specified ("public" by default)
        # remark #981: operands are evaluated in unspecified order
        # remark #1418: external function definition with no prior declaration
        # Mostly comes from Boost.Phoenix: warning #411: class "X" defines no constructor to initialize the following: reference member "Y"...
        # warning #734: "X" (declared at line N of "file.hpp"), required for copy that was eliminated, is inaccessible
        # warning #279: controlling expression is constant
        <toolset>intel-win:<cxxflags>"/Qwd177,780,2196,1782,193,304,981,1418,411,734,279"
        <toolset>intel-linux:<cxxflags>"-wd177,780,2196,1782,193,304,981,1418,411,734,279"
        <toolset>intel-darwin:<cxxflags>"-wd177,780,2196,1782,193,304,981,1418,411,734,279"

        <toolset>darwin:<cxxflags>-ftemplate-depth-1024
        <toolset>clang:<cxxflags>-ftemplate-depth-1024
        <toolset>gcc:<cxxflags>-ftemplate-depth-1024

        <toolset>gcc:<cxxflags>-fno-strict-aliasing  # avoids strict aliasing violations in other Boost components
        <toolset>gcc,<target-os>windows:<linkflags>-Wl,--enable-auto-import
        <toolset>gcc,<target-os>cygwin:<linkflags>-Wl,--enable-auto-import

        <library>/boost/date_time//boost_date_time
        <library>/boost/filesystem//boost_filesystem
        <library>/boost/system//boost_system
        <threading>single:<define>BOOST_LOG_NO_THREADS
        <threading>multi:<library>/boost/thread//boost_thread

        <target-os>windows:<library>ws2_32
        <target-os>windows:<library>mswsock

        <target-os>cygwin:<define>__USE_W32_SOCKETS
        <target-os>cygwin:<library>ws2_32
        <target-os>cygwin:<library>mswsock

        <target-os>linux:<library>rt
        <target-os>linux:<define>_XOPEN_SOURCE=600
        <target-os>linux:<define>_GNU_SOURCE=1

        <target-os>solaris:<define>_XOPEN_SOURCE=500
        <target-os>solaris:<define>__EXTENSIONS__
        <target-os>solaris:<library>socket
        <target-os>solaris:<library>nsl

        <target-os>hpux,<toolset>gcc:<define>_XOPEN_SOURCE_EXTENDED
        <target-os>hpux:<library>ipv6

        <target-os>freebsd:<library>rt
        <target-os>qnxnto:<library>socket
        <toolset>pgi:<library>rt
    : usage-requirements
        <toolset>clang:<cxxflags>-Wno-bind-to-temporary-copy
        <toolset>clang:<cxxflags>-Wno-unused-function
    ;

local BOOST_LOG_COMMON_SRC =
    attribute_name.cpp
    attribute_set.cpp
    attribute_value_set.cpp
    code_conversion.cpp
    core.cpp
    record_ostream.cpp
    severity_level.cpp
    global_logger_storage.cpp
    named_scope.cpp
    process_name.cpp
    process_id.cpp
    thread_id.cpp
    timer.cpp
    exceptions.cpp
    default_attribute_names.cpp
    default_sink.cpp
    text_ostream_backend.cpp
    text_file_backend.cpp
    text_multifile_backend.cpp
    syslog_backend.cpp
    thread_specific.cpp
    once_block.cpp
    timestamp.cpp
    threadsafe_queue.cpp
    event.cpp
    trivial.cpp
    spirit_encoding.cpp
    format_parser.cpp
    date_time_format_parser.cpp
    named_scope_format_parser.cpp
    unhandled_exception_count.cpp
    dump.cpp
    ;

local BOOST_LOG_COMMON_SSSE3_SRC =
    dump_ssse3
    ;

local BOOST_LOG_COMMON_AVX2_SRC =
    dump_avx2
    ;

rule ssse3-targets-cond ( properties * )
{
    local result = <build>no ;

    if <log-architecture>x86 in [ log-architecture.deduce-architecture $(properties) ]
    {
        local has_ssse3 = [ configure.builds /boost/x86-extensions//ssse3 : $(properties) : compiler-supports-ssse3 ] ;
        if $(has_ssse3)
        {
            result = ;
            if <toolset>gcc in $(properties) || <toolset>clang in $(properties)
            {
                result = <cxxflags>"-march=core2 -msse -msse2 -msse3 -mssse3" ;
            }
            else if <toolset>intel in $(properties)
            {
                if <toolset-intel:platform>win in $(properties)
                {
                    result = <cxxflags>"/QxSSSE3" ;
                }
                else
                {
                    result = <cxxflags>"-march=core2" ;
                }
            }
            else if <toolset>msvc in $(properties)
            {
                # MSVC doesn't really care about these switches, all SSE intrinsics are always available, but still...
                # Also 64 bit MSVC doesn't have the /arch:SSE2 switch as it is the default.
                if <log-address-model>32 in [ log-architecture.deduce-address-model $(properties) ]
                {
                    result = <cxxflags>"/arch:SSE2" ;
                }
            }
        }
    }

#    if ! <build>no in $(result)
#    {
#        ECHO Boost.Log: Using SSSE3 optimized implementation ;
#    }
#    ECHO $(result) ;

    return $(result) ;
}

for local src in $(BOOST_LOG_COMMON_SSSE3_SRC)
{
    obj $(src)
        : ## sources ##
            $(src).cpp
        : ## requirements ##
            <conditional>@ssse3-targets-cond
            <link>shared:<define>BOOST_LOG_DLL
            <define>BOOST_LOG_BUILDING_THE_LIB=1
        : ## default-build ##
        : ## usage-requirements ##
            <define>BOOST_LOG_USE_SSSE3
        ;
}


rule avx2-targets-cond ( properties * )
{
    local result = <build>no ;

    if <log-architecture>x86 in [ log-architecture.deduce-architecture $(properties) ]
    {
        local has_ssse3 = [ configure.builds /boost/x86-extensions//avx2 : $(properties) : compiler-supports-avx2 ] ;
        if $(has_ssse3)
        {
            result = ;
            if <toolset>gcc in $(properties)
            {
                result = <cxxflags>"-march=core-avx2 -mavx -mavx2 -fabi-version=0" ;
            }
            else if <toolset>clang in $(properties)
            {
                result = <cxxflags>"-march=core-avx2 -mavx -mavx2" ;
            }
            else if <toolset>intel in $(properties)
            {
                if <toolset-intel:platform>win in $(properties)
                {
                    result = <cxxflags>"/arch:CORE-AVX2" ;
                }
                else
                {
                    result = <cxxflags>"-march=core-avx2 -fabi-version=0" ;
                }
            }
            else if <toolset>msvc in $(properties)
            {
                result = <cxxflags>"/arch:AVX" ;
            }
        }
    }

#    if ! <build>no in $(result)
#    {
#        ECHO Boost.Log: Using AVX2 optimized implementation ;
#    }
#    ECHO $(result) ;

    return $(result) ;
}

for local src in $(BOOST_LOG_COMMON_AVX2_SRC)
{
    obj $(src)
        : ## sources ##
            $(src).cpp
        : ## requirements ##
            <conditional>@avx2-targets-cond
            <link>shared:<define>BOOST_LOG_DLL
            <define>BOOST_LOG_BUILDING_THE_LIB=1
        : ## default-build ##
        : ## usage-requirements ##
            <define>BOOST_LOG_USE_AVX2
        ;
}

alias platform-specific-sources
    : ## sources ##
        debug_output_backend.cpp
        light_rw_mutex.cpp
    : ## requirements ##
        <target-os>windows
    ;

alias platform-specific-sources ;

rule select-log-api-specific-sources ( properties * )
{
    local result ;

    if <log-api>winnt in $(properties)
    {
        result = <source>simple_event_log.mc ;
        result += <source>event_log_backend.cpp ;
        result += <library>psapi ;

        DEPENDS event_log_backend.cpp : simple_event_log.mc ;
    }

    return $(result) ;
}

lib boost_log
    : ## sources ##
        $(BOOST_LOG_COMMON_SRC)
        $(BOOST_LOG_COMMON_SSSE3_SRC)
        $(BOOST_LOG_COMMON_AVX2_SRC)
        platform-specific-sources
    : ## requirements ##
        <conditional>@select-log-api-specific-sources
        <link>shared:<define>BOOST_LOG_DLL
        <define>BOOST_LOG_BUILDING_THE_LIB=1
    : ## default-build ##
    : ## usage-requirements ##
        <link>shared:<define>BOOST_LOG_DYN_LINK=1
        <threading>single:<define>BOOST_LOG_NO_THREADS
        <log-api>generic:<define>BOOST_LOG_WITHOUT_EVENT_LOG
        <log-api>unix:<define>BOOST_LOG_WITHOUT_EVENT_LOG
    ;


local BOOST_LOG_SETUP_COMMON_SRC =
    parser_utils.cpp
    init_from_stream.cpp
    init_from_settings.cpp
    settings_parser.cpp
    filter_parser.cpp
    formatter_parser.cpp
    default_filter_factory.cpp
    matches_relation_factory.cpp
    default_formatter_factory.cpp
    ;

lib boost_log_setup
    : ## sources ##
        $(BOOST_LOG_SETUP_COMMON_SRC)
    : ## requirements ##
        <link>shared:<define>BOOST_LOG_DYN_LINK=1
        <link>shared:<define>BOOST_LOG_SETUP_DLL
        <define>BOOST_LOG_SETUP_BUILDING_THE_LIB=1
        <library>boost_log
    : ## default-build ##
    : ## usage-requirements ##
        <link>shared:<define>BOOST_LOG_SETUP_DYN_LINK=1
        <threading>single:<define>BOOST_LOG_NO_THREADS
    ;