# Copyright Vladimir Prus 2004.
# Copyright Noel Belcourt 2007.
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE.txt
# or copy at https://www.bfgroup.xyz/b2/LICENSE.txt)

import intel ;
import feature : feature ;
import os ;
import toolset ;
import toolset : flags ;
import gcc ;
import common ;
import errors ;
import generators ;
import regex ;
import args ;

feature.extend-subfeature toolset intel : platform : darwin ;

toolset.inherit-generators intel-darwin
  <toolset>intel <toolset-intel:platform>darwin
  : gcc
  # Don't inherit PCH generators. They were not tested, and probably
  # don't work for this compiler.
  : gcc.mingw.link gcc.mingw.link.dll gcc.compile.c.pch gcc.compile.c++.pch
  ;

toolset.inherit-rules intel-darwin : gcc ;
toolset.inherit-flags intel-darwin : gcc
        : <inlining>off <inlining>on <inlining>full <optimization>space
        <optimization>minimal <optimization>debug
          <warnings>off <warnings>all <warnings>on
          <warnings>extra <warnings>pedantic
          <warnings-as-errors>off <warnings-as-errors>on
          <architecture>x86/<address-model>32
          <architecture>x86/<address-model>64
        ;

.debug-configuration = [ args.get-arg debug-configuration ] ;

# Initializes the intel-darwin toolset
#   version in mandatory
#   name (default icc) is used to invoke the specified intel compiler
#   compile and link options allow you to specify addition command line options for each version
rule init ( version ? :  command * : options * )
{
    local condition = [ common.check-init-parameters intel-darwin
        : version $(version) ] ;

    command = [ common.get-invocation-command intel-darwin : icc
        : $(command) : /opt/intel_cc_80/bin ] ;

    common.handle-options intel-darwin : $(condition) : $(command) : $(options) ;

    # handle <library-path>
    # local library-path = [ feature.get-values <library-path> : $(options) ] ;
    # flags intel-darwin.link USER_OPTIONS $(condition) : [ feature.get-values <dll-path> : $(options) ] ;

    local root = [ feature.get-values <root> : $(options) ] ;
    local bin ;
    if $(command) || $(root)
    {
        bin ?= [ common.get-absolute-tool-path $(command[-1]) ] ;
        root ?= $(bin:D) ;

        if $(root)
        {
            # Libraries required to run the executable may be in either
            # $(root)/lib (10.1 and earlier)
            #     or
            # $(root)/lib/architecture-name (11.0 and later:
            local lib_path = $(root)/lib $(root:P)/lib/$(bin:B) ;
            if $(.debug-configuration)
            {
                ECHO notice\: using intel libraries "::" $(condition) "::" $(lib_path) ;
            }
            flags intel-darwin.link RUN_PATH $(condition) : $(lib_path) ;
        }
    }

    local m = [ MATCH (..).* : $(version) ] ;
    local n = [ MATCH (.)\\. : $(m) ] ;
    if $(n) {
      m = $(n) ;
    }

    local major = $(m) ;

    if $(major) = "9" {
      flags intel-darwin.compile OPTIONS $(condition)/<inlining>off : -Ob0 ;
      flags intel-darwin.compile OPTIONS $(condition)/<inlining>on : -Ob1  ;
      flags intel-darwin.compile OPTIONS $(condition)/<inlining>full : -Ob2  ;
      flags intel-darwin.compile OPTIONS $(condition)/<vectorize>off : -vec-report0 ;
      flags intel-darwin.compile OPTIONS $(condition)/<vectorize>on : -vec-report1 ;
      flags intel-darwin.compile OPTIONS $(condition)/<vectorize>full : -vec-report5 ;
      flags intel-darwin.link OPTIONS $(condition)/<runtime-link>static : -static -static-libcxa -lstdc++ -lpthread ;
      flags intel-darwin.link OPTIONS $(condition)/<runtime-link>shared : -shared-libcxa -lstdc++ -lpthread ;
    }
    else {
      flags intel-darwin.compile OPTIONS $(condition)/<inlining>off : -inline-level=0 ;
      flags intel-darwin.compile OPTIONS $(condition)/<inlining>on : -inline-level=1  ;
      flags intel-darwin.compile OPTIONS $(condition)/<inlining>full : -inline-level=2  ;
      flags intel-darwin.compile OPTIONS $(condition)/<vectorize>off : -vec-report0 ;
      flags intel-darwin.compile OPTIONS $(condition)/<vectorize>on : -vec-report1 ;
      flags intel-darwin.compile OPTIONS $(condition)/<vectorize>full : -vec-report5 ;
      flags intel-darwin.link OPTIONS $(condition)/<runtime-link>static : -static -static-intel -lstdc++ -lpthread ;
      flags intel-darwin.link OPTIONS $(condition)/<runtime-link>shared : -shared-intel -lstdc++ -lpthread ;
    }

    local minor = [ MATCH ".*\\.(.).*" : $(version) ] ;

    # wchar_t char_traits workaround for compilers older than 10.2
    if $(major) = "9" || ( $(major) = "10" && ( $(minor) = "0" || $(minor) = "1" ) ) {
        flags intel-darwin.compile DEFINES $(condition) : __WINT_TYPE__=int : unchecked ;
    }

    # - Archive builder.
    local archiver = [ feature.get-values <archiver> : $(options) ] ;
    toolset.flags intel-darwin.archive .AR $(condition) : $(archiver[1]) ;
}

SPACE = " " ;

flags intel-darwin.compile OPTIONS <cflags> ;
flags intel-darwin.compile.c++ OPTIONS <cxxflags> ;
# flags intel-darwin.compile INCLUDES <include> ;

flags intel-darwin.compile OPTIONS <optimization>space : -O1 ; # no specific space optimization flag in icc

#
.cpu-type-em64t    = prescott nocona core2 corei7 corei7-avx core-avx-i
                     conroe conroe-xe conroe-l allendale merom
                     merom-xe kentsfield kentsfield-xe penryn wolfdale
                     yorksfield nehalem sandy-bridge ivy-bridge haswell
                     broadwell skylake skylake-avx512 cannonlake icelake-client
                     icelake-server cascadelake cooperlake tigerlake rocketlake
                     alderlake sapphirerapids ;
.cpu-type-amd64    = k8 opteron athlon64 athlon-fx k8-sse3 opteron-sse3
                     athlon64-sse3 amdfam10 barcelona bdver1 bdver2 bdver3
                     bdver4 btver1 btver2 znver1 znver2 znver3 ;
.cpu-type-x86-64   = $(.cpu-type-em64t) $(.cpu-type-amd64) ;

flags intel-darwin.compile OPTIONS <instruction-set>$(.cpu-type-x86-64)/<address-model>32 : -m32 ; # -mcmodel=small ;
flags intel-darwin.compile OPTIONS <instruction-set>$(.cpu-type-x86-64)/<address-model>64 : -m64 ; # -mcmodel=large ;

flags intel-darwin.compile.c OPTIONS <warnings>off : -w0 ;
flags intel-darwin.compile.c OPTIONS <warnings>on : -w1 ;
flags intel-darwin.compile.c OPTIONS <warnings>all : -w2 ;
flags intel-darwin.compile.c OPTIONS <warnings>extra : -w3 ;
flags intel-darwin.compile.c OPTIONS <warnings>pedantic : -w3 -Wcheck ;
flags intel-darwin.compile.c OPTIONS <warnings-as-errors>on : -Werror-all ;

flags intel-darwin.compile.c++ OPTIONS <warnings>off : -w0 ;
flags intel-darwin.compile.c++ OPTIONS <warnings>on : -w1 ;
flags intel-darwin.compile.c++ OPTIONS <warnings>all : -w2 ;
flags intel-darwin.compile.c++ OPTIONS <warnings>extra : -w3 ;
flags intel-darwin.compile.c++ OPTIONS <warnings>pedantic : -w3 -Wcheck ;
flags intel-darwin.compile.c++ OPTIONS <warnings-as-errors>on : -Werror-all ;

rule compile.c ( targets * : sources * : properties * )
{
    local config_command = [ regex.escape
        [ on $(targets[1]) return $(CONFIG_COMMAND:E="") ]
        : "()[]\\+.*^$\"" : "\\" ] ;
    COMMAND_DATABASE on $(targets) = "(\"$(config_command)\"[^\n]*)" ;
}

actions compile.c
{
    "$(CONFIG_COMMAND)" -xc $(OPTIONS) -D$(DEFINES) -I"$(INCLUDES)" -c -o "$(<)" "$(>)"
}

rule compile.c++ ( targets * : sources * : properties * )
{
    local config_command = [ regex.escape
        [ on $(targets[1]) return $(CONFIG_COMMAND:E="") ]
        : "()[]\\+.*^$\"" : "\\" ] ;
    COMMAND_DATABASE on $(targets) = "(\"$(config_command)\"[^\n]*)" ;
}

actions compile.c++
{
    "$(CONFIG_COMMAND)" -xc++ $(OPTIONS) -D$(DEFINES) -I"$(INCLUDES)" -c -o "$(<)" "$(>)"
}

# Declare actions for linking
rule link ( targets * : sources * : properties * )
{
  SPACE on $(targets) = " " ;
}

actions link bind LIBRARIES
{
    "$(CONFIG_COMMAND)" $(USER_OPTIONS) -L"$(LINKPATH)" -o "$(<)" "$(>)" "$(LIBRARIES)" -l$(FINDLIBS-SA) -l$(FINDLIBS-ST) $(OPTIONS)
}

actions link.dll bind LIBRARIES
{
    "$(CONFIG_COMMAND)" $(USER_OPTIONS) -L"$(LINKPATH)" -o "$(<)" -single_module -dynamiclib -install_name "$(<[1]:D=)" "$(>)"  "$(LIBRARIES)" -l$(FINDLIBS-SA) -l$(FINDLIBS-ST) $(OPTIONS)
}
