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#  Copyright 2006 Noel Belcourt
#  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 property ;
import generators ;
import toolset : flags ;
import feature ;
import type ;
import os ;
import common ;
import fortran ;

feature.extend toolset : pathscale ;
toolset.inherit pathscale : unix ;
generators.override pathscale.prebuilt : builtin.prebuilt ;
generators.override pathscale.searched-lib-generator : searched-lib-generator ;

# Documentation and toolchain description located
# http://www.pathscale.com/docs.html

rule init ( version ? : command * : options * ) 
{
  command = [ common.get-invocation-command pathscale : pathCC : $(command) 
    : /opt/ekopath/bin ] ;
  
  # Determine the version
  local command-string = $(command:J=" ") ;
  if $(command)
  {    
      version ?= [ MATCH "^([0-9.]+)"
          : [ SHELL "$(command-string) -dumpversion" ] ] ;
  }
  
  local condition = [ common.check-init-parameters pathscale
    : version $(version) ] ;

  common.handle-options pathscale : $(condition) : $(command) : $(options) ;
    
  toolset.flags pathscale.compile.fortran90 OPTIONS $(condition) :
    [ feature.get-values <fflags> : $(options) ] : unchecked ;

  command_c = $(command_c[1--2]) $(command[-1]:B=pathcc) ;

  toolset.flags pathscale CONFIG_C_COMMAND $(condition) : $(command_c) ;

  # fortran support
  local f-command = [ common.get-invocation-command pathscale : pathf90 : $(command) ] ;
  local command_f = $(command_f[1--2]) $(f-command[-1]:B=pathf90) ;
  local command_f90 = $(command_f[1--2]) $(f-command[-1]:B=pathf90) ;

  toolset.flags pathscale CONFIG_F_COMMAND $(condition) : $(command_f) ;
  toolset.flags pathscale CONFIG_F90_COMMAND $(condition) : $(command_f90) ;

  # always link lib rt to resolve clock_gettime()
  flags pathscale.link FINDLIBS-SA : rt : unchecked ;

  switch [ os.name ]
  {
    case SOLARIS :
        toolset.flags pathscale.link RPATH_OPTION $(condition) : -Wl,-R, -Wl, : unchecked ;

    case * : # GNU
        toolset.flags pathscale.link RPATH_OPTION $(condition) : -Wl,-rpath=  : unchecked ;
  }
}

# Declare generators
generators.register-c-compiler pathscale.compile.c : C : OBJ : <toolset>pathscale ;
generators.register-c-compiler pathscale.compile.c++ : CPP : OBJ : <toolset>pathscale ;
generators.register-fortran-compiler pathscale.compile.fortran : FORTRAN : OBJ : <toolset>pathscale ;
generators.register-fortran90-compiler pathscale.compile.fortran90 : FORTRAN90 : OBJ : <toolset>pathscale ;

# Declare flags and actions for compilation
flags pathscale.compile OPTIONS <optimization>off   : -O0 ;
flags pathscale.compile OPTIONS <optimization>speed : -O3 ;
flags pathscale.compile OPTIONS <optimization>space : -Os ;

flags pathscale.compile OPTIONS <inlining>off  : -noinline ;
flags pathscale.compile OPTIONS <inlining>on   : -inline ;
flags pathscale.compile OPTIONS <inlining>full : -inline ;

flags pathscale.compile OPTIONS <warnings>off           : -woffall ;
flags pathscale.compile OPTIONS <warnings>on            : -Wall ;
flags pathscale.compile OPTIONS <warnings>all           : -Wall -pedantic ;
flags pathscale.compile OPTIONS <warnings-as-errors>on  : -Werror ;

flags pathscale.compile OPTIONS <debug-symbols>on : -ggdb ;
flags pathscale.compile OPTIONS <profiling>on     : -pg ;
flags pathscale.compile OPTIONS <link>shared      : -fPIC ;

flags pathscale.compile USER_OPTIONS <cflags> ;
flags pathscale.compile.c++ USER_OPTIONS <cxxflags> ;
flags pathscale.compile DEFINES <define> ;
flags pathscale.compile INCLUDES <include> ;

flags pathscale.compile.fortran USER_OPTIONS <fflags> ;
flags pathscale.compile.fortran90 USER_OPTIONS <fflags> ;

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

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

actions compile.fortran
{
    "$(CONFIG_F_COMMAND)" $(OPTIONS) $(USER_OPTIONS) -D$(DEFINES) -I"$(INCLUDES)" -c -o "$(<)" "$(>)"
}

rule compile.fortran90 ( targets * : sources * : properties * )
{
  # the space rule inserts spaces between targets and it's necessary
  SPACE on $(targets) = " " ;
  # Serialize execution of the compile.fortran90 action
  # F90 source must be compiled in a particular order so we
  # serialize the build as a parallel F90 compile might fail
  JAM_SEMAPHORE on $(targets) = <s>pathscale-f90-semaphore ;
}

actions compile.fortran90
{
    "$(CONFIG_F90_COMMAND)" $(OPTIONS) $(USER_OPTIONS) -D$(DEFINES) -I"$(INCLUDES)" -module $(<[1]:D) -c -o "$(<)" "$(>)"
}

# Declare flags and actions for linking
flags pathscale.link OPTIONS <debug-symbols>on : -ggdb -rdynamic ;
# Strip the binary when no debugging is needed
flags pathscale.link OPTIONS <debug-symbols>off : -g0 ;
flags pathscale.link OPTIONS <profiling>on : -pg ;
flags pathscale.link USER_OPTIONS <linkflags> ;
flags pathscale.link LINKPATH <library-path> ;
flags pathscale.link FINDLIBS-ST <find-static-library> ;
flags pathscale.link FINDLIBS-SA <find-shared-library> ;
flags pathscale.link FINDLIBS-SA <threading>multi : pthread ;
flags pathscale.link LIBRARIES <library-file> ;
flags pathscale.link LINK-RUNTIME <runtime-link>static : static ;
flags pathscale.link LINK-RUNTIME <runtime-link>shared : dynamic ;
flags pathscale.link RPATH <dll-path> ;
# On gcc, there are separate options for dll path at runtime and
# link time. On Solaris, there's only one: -R, so we have to use
# it, even though it's bad idea.
flags pathscale.link RPATH <xdll-path> ;

rule link ( targets * : sources * : properties * )
{
    SPACE on $(targets) = " " ;
}

actions link bind LIBRARIES
{
    "$(CONFIG_COMMAND)" $(OPTIONS) $(USER_OPTIONS) -L"$(LINKPATH)" $(RPATH_OPTION:E=-Wl,-rpath=)"$(RPATH)" -o "$(<)" "$(>)" "$(LIBRARIES)" -l$(FINDLIBS-SA) -l$(FINDLIBS-ST)
}

# Slight mods for dlls
rule link.dll ( targets * : sources * : properties * )
{
    SPACE on $(targets) = " " ;
}

actions link.dll bind LIBRARIES
{
    "$(CONFIG_COMMAND)" $(OPTIONS) $(USER_OPTIONS) -L"$(LINKPATH)" $(RPATH_OPTION:E=-Wl,-rpath=)"$(RPATH)" -o "$(<)" -Wl,-soname$(SPACE)-Wl,$(<[1]:D=) -shared "$(>)" "$(LIBRARIES)" -l$(FINDLIBS-SA) -l$(FINDLIBS-ST)
}

# Declare action for creating static libraries
# "$(CONFIG_COMMAND)" -ar -o "$(<)" "$(>)"
actions piecemeal archive
{
    ar $(ARFLAGS) ru "$(<)" "$(>)"
}