# Microsoft Visual C++

# (C) Copyright David Abrahams 2001. Permission to copy, use,
# modify, sell and distribute this software is granted provided this
# copyright notice appears in all copies. This software is provided
# "as is" without express or implied warranty, and with no claim as
# to its suitability for any purpose.

# Get these variable set on the targets so that we can re-use the
# build actions for other toolsets using this one as a base.
flags msvc VC_TOOL_PATH ;
flags msvc VC_SETUP ;
flags msvc VC_COMPILER ;
flags msvc VC_LINKER ;
flags msvc VC_PDB_NAME ;
  
# compute MSVC tool path
# You can either put the msvc bin directory in your PATH, or you can set
# MSVCDir to point at the msvc installation directory
if ! $(MSVCDir)
{
    MSVC_ROOT ?= $(VISUALC) ;
    MSVC_ROOT ?= "C:\\Program Files\\Microsoft Visual C++\\VC98" ;
    VC_TOOL_PATH ?= "$(MSVC_ROOT)"$(SLASH)bin$(SLASH) ;
    VC_SETUP ?= "CALL \"$(VC_TOOL_PATH)VCVARS32.BAT\" >nul" ;
}
else
{
    VC_TOOL_PATH ?= "" ; # Don't clobber adjoining text if MSVCDir is already set
}

VC_COMPILER = cl ;
VC_LINKER = link ;
VC_PDB_NAME = vc60 ;

flags msvc CFLAGS <debug-symbols>on/<debug-store>object : /Z7 ;
flags msvc CFLAGS <debug-symbols>on/<debug-store>database : /Zi ;
flags msvc PDB_CFLAG <debug-symbols>on/<debug-store>database : /Fd ;
flags msvc LINKFLAGS <debug-symbols>on : /DEBUG ;

flags msvc CFLAGS <optimization>off : /Od ;
flags msvc CFLAGS <optimization>speed : /O2 ;
flags msvc CFLAGS <optimization>space : /O1 ;
flags msvc CFLAGS <inlining>off : /Ob0 ;
flags msvc CFLAGS <inlining>on : /Ob1 ;
flags msvc CFLAGS <inline>full : /Ob2 ;
flags msvc CFLAGS <exception-handling>on : /GX ;
flags msvc CFLAGS <rtti>on : /GR ;

# Note that these two options actually imply multithreading support on MSVC
# because there is no single-threaded dynamic runtime library. Specifying
# <threading>multi would be a bad idea, though, because no option would be
# matched when the build uses the default settings of <runtime-link>dynamic
# and <threading>single.
flags msvc CFLAGS <runtime-build>release/<runtime-link>dynamic : /MD ;
flags msvc CFLAGS <runtime-build>debug/<runtime-link>dynamic : /MDd ;

flags msvc CFLAGS <runtime-build>release/<runtime-link>static/<threading>single : /ML ;
flags msvc CFLAGS <runtime-build>debug/<runtime-link>static/<threading>single : /MLd ;
flags msvc CFLAGS <runtime-build>release/<runtime-link>static/<threading>multi : /MT ;
flags msvc CFLAGS <runtime-build>debug/<runtime-link>static/<threading>multi : /MTd ;

flags msvc CFLAGS <cflags> ;
flags msvc C++FLAGS <cxxflags> ;
flags msvc DEFINES <define> ;
flags msvc UNDEFS <undef> ;
flags msvc HDRS <include> ;
flags msvc STDHDRS <sysinclude> ;
flags msvc LINKFLAGS <linkflags> ;
flags msvc ARFLAGS <arflags> ;

flags msvc STDHDRS : $(MSVCDir)$(SLASH)include ;
flags msvc STDLIBPATH : $(MSVCDir)$(SLASH)lib ;
flags msvc LIBPATH <library-path> ;
flags msvc NEEDLIBS <library-file> ;
flags msvc FINDLIBS <find-library> ;
flags msvc LINKFLAGS <target-type>$(SHARED_TYPES) : /DLL ;


rule vc-set-pdb-file ( targets + : name )
{
    local pdb = $(targets[1]:B=$(name):S=.pdb) ;
    VC_PDB_FILE on $(targets) = $(pdb:G=:R=$(LOCATE_TARGET)) ;
    LOCATE on $(pdb) = $(LOCATE_TARGET) ;
    Clean clean : $(pdb) ;
}

#### Link ####

rule Link-action ( target implib ? : sources + : target-type ? )
{
    with-command-file vc-Link $(<) : $(sources) $(NEEDLIBS) ;
    if $(implib)
    {
        # incremental linking a DLL causes no end of problems: if the
        # actual exports don't change, the import .lib file is never
        # updated. Therefore, the .lib is always out-of-date and gets
        # rebuilt every time. I'm not sure that incremental linking is
        # such a great idea in general, but in this case I'm sure we
        # don't want it.
        NOINCREMENTAL on $(<) = /INCREMENTAL:NO ;
    }
    vc-set-pdb-file $(<) : $(target:B) ;
}

actions together vc-Link bind NEEDLIBS
{
    $(VC_SETUP)
    "$(VC_TOOL_PATH)$(VC_LINKER)" /nologo $(NOINCREMENTAL) $(LINKFLAGS) $(PDB_LINKFLAG)"$(VC_PDB_FILE)" /out:"$(<[1])" /IMPLIB:$(<[2]) /LIBPATH:$(LIBPATH) /LIBPATH:$(STDLIBPATH) "$(FINDLIBS:S=.lib)" @"$(>)"
}

#### Cc #####

rule Cc-action
{
    vc-set-pdb-file $(<) : $(VC_PDB_NAME) ;
    vc-Cc $(<) : $(>) ;
}

actions vc-Cc
{
    $(VC_SETUP)
    "$(VC_TOOL_PATH)$(VC_COMPILER)" /Zm400 -nologo -c -U$(UNDEFS) -D$(DEFINES) $(CFLAGS) -I"$(HDRS)" -I"$(STDHDRS)" $(PDB_CFLAG)"$(VC_PDB_FILE)" -Fo"$(<)" "$(>)"
}

#### C++ ####
rule C++-action
{
    vc-set-pdb-file $(<) : $(VC_PDB_NAME) ;
    vc-C++ $(<) : $(>) ;
}

actions vc-C++
{
    $(VC_SETUP)
    "$(VC_TOOL_PATH)$(VC_COMPILER)" /Zm400 -nologo -GX -c -U$(UNDEFS) -D$(DEFINES) $(CFLAGS) $(C++FLAGS) -I"$(HDRS)" -I"$(STDHDRS)" $(PDB_CFLAG)"$(VC_PDB_FILE)" -Fo"$(<)" -Tp"$(>)"
}

#### Archive ####
rule Archive-action
{
    vc-set-pdb-file $(<) : $(<:B) ;
    with-command-file vc-Archive $(<) : $(>) ;
}

actions updated together piecemeal vc-Archive
{
    $(VC_SETUP)
    if exist "$(<)" set _$(<:B)_="$(<)"
    "$(VC_TOOL_PATH)$(VC_LINKER)" /lib $(ARFLAGS) $(PDB_LINKFLAG)"$(VC_PDB_FILE)" /out:"$(<)" %_$(<:B)_% @"$(>)"
}