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# Copyright (C) Reece H Dunn 2004
# 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)

#| tag::doc[]

[[bbv2.reference.tools.compiler.cw]]
= Code Warrior

The `cw` module support CodeWarrior compiler, originally produced by
Metrowerks and presently developed by Freescale. Boost.Build supports
only the versions of the compiler that target x86 processors. All such
versions were released by Metrowerks before acquisition and are not sold
any longer. The last version known to work is 9.4.

The module is initialized using the following syntax:

----
using cw : [version] : [c++-compile-command] : [compiler options] ;
----

This statement may be repeated several times, if you want to configure
several versions of the compiler.

If the command is not specified, Boost.Build will search for a binary
named `mwcc` in default installation paths and in PATH.

The following options can be provided, using
_`<option-name>option-value syntax`_:

`cflags`::
Specifies additional compiler flags that will be used when compiling C
sources.

`cxxflags`::
Specifies additional compiler flags that will be used when compiling C++
sources.

`compileflags`::
Specifies additional compiler flags that will be used when compiling both C
and C++ sources.

`linkflags`::
Specifies additional command line options that will be passed to the linker.

`setup`::
  The command that sets up environment variables prior to invoking the
  compiler. If not specified, `cwenv.bat` alongside the compiler binary
  will be used.
`compiler`::
  The command that compiles C and C++ sources. If not specified, `mwcc`
  will be used. The command will be invoked after the setup script was
  executed and adjusted the PATH variable.
`linker`::
  The command that links executables and dynamic libraries. If not
  specified, `mwld` will be used. The command will be invoked after the
  setup script was executed and adjusted the PATH variable.

|# # end::doc[]

# based on the msvc.jam toolset

import property ;
import generators ;
import os ;
import type ;
import toolset : flags ;
import errors : error ;
import feature : feature get-values ;
import path ;
import sequence : unique ;
import common ;

if [ MATCH (--debug-configuration) : [ modules.peek : ARGV ] ]
{
   .debug-configuration = true ;
}

feature.extend toolset : cw ;

toolset.add-requirements <toolset>cw,<runtime-link>shared:<threading>multi ;

nl = "
" ;

rule init ( version ? : command * : options * )
{
   # TODO: fix the $(command[1]) = $(compiler) issue
    
    setup = [ get-values <setup> : $(options) ] ;
    setup    ?= cwenv.bat ;
    compiler = [ get-values <compiler> : $(options) ] ;
    compiler ?= mwcc ;
    linker = [ get-values <linker> : $(options) ] ;
    linker   ?= mwld ;

    local condition = [ common.check-init-parameters cw :
        version $(version) ] ;

    command = [ common.get-invocation-command cw : mwcc.exe : $(command) :
        [ default-paths $(version) ] ] ;
    
    common.handle-options cw : $(condition) : $(command) : $(options) ;

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

    setup = $(tool-root)\\$(setup) ;

   # map the batch file in setup so it can be executed

    other-tools = $(tool-root:D) ;
    root ?= $(other-tools:D) ;
    
    flags cw.link RUN_PATH $(condition) : 
        "$(root)\\Win32-x86 Support\\Libraries\\Runtime"
        "$(root)\\Win32-x86 Support\\Libraries\\Runtime\\Libs\\MSL_All-DLLs" ;      
    
    setup = "set \"CWFOLDER="$(root)"\" && call \""$(setup)"\" > nul " ;

   if [ os.name ] = NT
   {
      setup = $(setup)"
" ;
   }
   else
   {
      setup = "cmd /S /C "$(setup)" \"&&\" " ;
   }

   # bind the setup command to the tool so it can be executed before the
   # command

   local prefix = $(setup) ;

   flags cw.compile .CC $(condition) : $(prefix)$(compiler) ;
   flags cw.link .LD $(condition) : $(prefix)$(linker) ;
   flags cw.archive .LD $(condition) : $(prefix)$(linker) ;

    if [ MATCH "^([89]\\.)" : $(version) ]   
    {
        if [ os.name ] = NT
        {
        # The runtime libraries
        flags cw.compile CFLAGS <runtime-link>static/<threading>single/<runtime-debugging>off : -runtime ss ;
        flags cw.compile CFLAGS <runtime-link>static/<threading>single/<runtime-debugging>on : -runtime ssd ;
        
        flags cw.compile CFLAGS <runtime-link>static/<threading>multi/<runtime-debugging>off : -runtime sm ;
        flags cw.compile CFLAGS <runtime-link>static/<threading>multi/<runtime-debugging>on : -runtime smd ;
        
        flags cw.compile CFLAGS <runtime-link>shared/<runtime-debugging>off : -runtime dm ;
        flags cw.compile CFLAGS <runtime-link>shared/<runtime-debugging>on : -runtime dmd ;
        }        
    }    
}


local rule default-paths ( version ? )  # FIXME
{
   local possible-paths ;
   local ProgramFiles = [ common.get-program-files-dir ] ;

   # TODO: add support for cw8 and cw9 detection

   local version-6-path = $(ProgramFiles)"\\Metrowerks\\CodeWarrior" ;
   possible-paths += $(version-6-path) ;

   # perform post-processing

   possible-paths
      = $(possible-paths)"\\Other Metrowerks Tools\\Command Line Tools" ;

   possible-paths += [ modules.peek : PATH Path path ] ;

   return $(possible-paths) ;
}




## declare generators

generators.register-c-compiler cw.compile.c++ : CPP : OBJ : <toolset>cw ;
generators.register-c-compiler cw.compile.c : C : OBJ : <toolset>cw ;

generators.register-linker cw.link
   : OBJ SEARCHED_LIB STATIC_LIB IMPORT_LIB
   : EXE
   : <toolset>cw
   ;
generators.register-linker cw.link.dll
   : OBJ SEARCHED_LIB STATIC_LIB IMPORT_LIB
   : SHARED_LIB IMPORT_LIB
   : <toolset>cw
   ;

generators.register-archiver cw.archive
   : OBJ
   : STATIC_LIB
   : <toolset>cw
   ;

## compilation phase

flags cw WHATEVER <toolset-cw:version> ;

flags cw.compile CFLAGS <debug-symbols>on : -g ;
flags cw.compile CFLAGS <optimization>off : -O0 ;
flags cw.compile CFLAGS <optimization>speed : -O4,p ;
flags cw.compile CFLAGS <optimization>space : -O4,s ;
flags cw.compile CFLAGS <inlining>off : -inline off ;
flags cw.compile CFLAGS <inlining>on : -inline on ;
flags cw.compile CFLAGS <inlining>full : -inline all ;
flags cw.compile CFLAGS <exception-handling>off : -Cpp_exceptions off ;


flags cw.compile CFLAGS <rtti>on : -RTTI on ;
flags cw.compile CFLAGS <rtti>off : -RTTI off ;

flags cw.compile CFLAGS <warnings>on : -w on ;
flags cw.compile CFLAGS <warnings>off : -w off ;
flags cw.compile CFLAGS <warnings>all : -w all ;
flags cw.compile CFLAGS <warnings-as-errors>on : -w error ;

flags cw.compile USER_CFLAGS <cflags> : ;
flags cw.compile.c++ USER_CFLAGS <cxxflags> : ;

flags cw.compile DEFINES <define> ;
flags cw.compile UNDEFS <undef> ;
flags cw.compile INCLUDES <include> ;

actions compile.c
{
   $(.CC) -c -cwd include -lang c -U$(UNDEFS) $(CFLAGS) $(USER_CFLAGS) -I- -o "$(<)" @"@($(<[1]:W).rsp:E=$(nl)"$(>)" $(nl)-D$(DEFINES) $(nl)"-I$(INCLUDES)")"
}
actions compile.c++
{
   $(.CC) -c -cwd include -lang c++ -U$(UNDEFS) $(CFLAGS) $(USER_CFLAGS) -I- -o "$(<)" @"@($(<[1]:W).rsp:E=$(nl)"$(>)" $(nl)-D$(DEFINES) $(nl)"-I$(INCLUDES)")"
}

## linking phase

flags cw.link DEF_FILE <def-file> ;

flags cw LINKFLAGS : -search ;
flags cw LINKFLAGS <debug-symbols>on : -g ;
flags cw LINKFLAGS <user-interface>console : -subsystem console ;
flags cw LINKFLAGS <user-interface>gui : -subsystem windows ;
flags cw LINKFLAGS <user-interface>wince : -subsystem wince ;
flags cw LINKFLAGS <user-interface>native : -subsystem native ;
flags cw LINKFLAGS <user-interface>auto : -subsystem auto ;

flags cw LINKFLAGS <main-target-type>LIB/<link>static : -library ;

flags cw.link USER_LINKFLAGS <linkflags> ;
flags cw.link LINKPATH <library-path> ;

flags cw.link FINDLIBS_ST <find-static-library> ;
flags cw.link FINDLIBS_SA <find-shared-library> ;
flags cw.link LIBRARY_OPTION <toolset>cw : "" : unchecked ;
flags cw.link LIBRARIES_MENTIONED_BY_FILE : <library-file> ;

rule link.dll ( targets + : sources * : properties * )
{
    DEPENDS $(<) : [ on $(<) return $(DEF_FILE) ] ;
}

if [ os.name ] in NT
{
   actions archive
   {
      if exist "$(<[1])" DEL "$(<[1])"
      $(.LD) -library -o "$(<[1])" @"@($(<[1]:W).rsp:E=$(nl)"$(>)" $(nl)$(LIBRARIES_MENTIONED_BY_FILE) $(nl)"$(LIBRARY_OPTION)$(FINDLIBS_ST:S=.lib)" $(nl)"$(LIBRARY_OPTION)$(FINDLIBS_SA:S=.lib)")"
   }
}
else # cygwin
{
   actions archive
   {
      _bbv2_out_="$(<)"
      if test -f "$_bbv2_out_" ; then
         _bbv2_existing_="$(<:W)"
      fi
      $(.LD) -library -o "$(<:W)" $_bbv2_existing_ @"@($(<[1]:W).rsp:E=$(nl)"$(>)" $(nl)$(LIBRARIES_MENTIONED_BY_FILE) $(nl)"$(LIBRARY_OPTION)$(FINDLIBS_ST:S=.lib)" $(nl)"$(LIBRARY_OPTION)$(FINDLIBS_SA:S=.lib)")"
   }
}

actions link bind DEF_FILE
{
   $(.LD) -o "$(<[1]:W)" -L"$(LINKPATH)" $(LINKFLAGS) $(USER_LINKFLAGS) @"@($(<[1]:W).rsp:E=$(nl)"$(>)" $(nl)$(LIBRARIES_MENTIONED_BY_FILE) $(nl)"$(LIBRARY_OPTION)$(FINDLIBS_ST:S=.lib)" $(nl)"$(LIBRARY_OPTION)$(FINDLIBS_SA:S=.lib)")"
}

actions link.dll bind DEF_FILE
{
   $(.LD) -shared -o "$(<[1]:W)" -implib "$(<[2]:W)" -L"$(LINKPATH)" $(LINKFLAGS) -f"$(DEF_FILE)" $(USER_LINKFLAGS) @"@($(<[1]:W).rsp:E=$(nl)"$(>)" $(nl)$(LIBRARIES_MENTIONED_BY_FILE) $(nl)"$(LIBRARY_OPTION)$(FINDLIBS_ST:S=.lib)" $(nl)"$(LIBRARY_OPTION)$(FINDLIBS_SA:S=.lib)")"
}