# $Id$

# Copyright (C) 2009 by Daniel Stenberg
#
# Permission to use, copy, modify, and distribute this
# software and its documentation for any purpose and without
# fee is hereby granted, provided that the above copyright
# notice appear in all copies and that both that copyright
# notice and this permission notice appear in supporting
# documentation, and that the name of M.I.T. not be used in
# advertising or publicity pertaining to distribution of the
# software without specific, written prior permission.
# M.I.T. makes no representations about the suitability of
# this software for any purpose.  It is provided "as is"
# without express or implied warranty.

# ------------------------------------------------------------------------------
#
# Makefile for building c-ares libraries and sample programs with MSVC.
#
# Usage: nmake /f makefile.msvc CFG=<config> <target>
# 
# <config> must be one of: [ lib-release | lib-debug | dll-release | dll-debug }
# <target> must be one of: [ ALL | c-ares | acountry | adig | ahost | clean }
# 
# If a <target> other than ALL or clean is given, <config> becomes mandatory.
# 
# If neither <config> nor <target> are specified this results in
# all targets being built for all <config> c-ares library types.
#
# This makefile must be processed from the subdir where it is located.
#
# All results are generated below a subdirectory named msvcXXX.
#
# ------------------------------------------------------------------------------

# ------------------------------------------------
# c-ares static and dynamic libraries common base
# file names for release and debug configurations
# ------------------------------------------------

LIB_BASENAME       = cares
LIB_BASENAME_DEBUG = caresd

# -------------------------------------------
# Base names for c-ares DLL import libraries
# -------------------------------------------

IMPLIB_BASENAME       = $(LIB_BASENAME)_imp
IMPLIB_BASENAME_DEBUG = $(LIB_BASENAME_DEBUG)_imp

# --------------------------
# Runtime library selection
# --------------------------

RTLIB  = /MD
RTLIBD = /MDd

!IF "$(RTLIBCFG)" == "static"
RTLIB  = /MT
RTLIBD = /MTd
!ENDIF

# --------------------------------------------------------
# Define USE_WATT32 to 1 to use the Watt-32 tcp/ip stack,
# otherwise Winsock tcp/ip stack will be used as default.
# --------------------------------------------------------

USE_WATT32 = 0

# -------------------------------------------
# Detect NMAKE version deducing MSVC version
# -------------------------------------------

!IFNDEF _NMAKE_VER
!  MESSAGE Macro _NMAKE_VER not defined.
!  MESSAGE Use MSVC's NMAKE to process this makefile.
!  ERROR   See previous message.
!ENDIF

!IF     "$(_NMAKE_VER)" == "6.00.8168.0"
CC_VERS_NUM = 60
!ELSEIF "$(_NMAKE_VER)" == "6.00.9782.0"
CC_VERS_NUM = 60
!ELSEIF "$(_NMAKE_VER)" == "7.00.9466"
CC_VERS_NUM = 70
!ELSEIF "$(_NMAKE_VER)" == "7.00.9955"
CC_VERS_NUM = 70
!ELSEIF "$(_NMAKE_VER)" == "7.10.3077"
CC_VERS_NUM = 71
!ELSEIF "$(_NMAKE_VER)" == "8.00.40607.16"
CC_VERS_NUM = 80
!ELSEIF "$(_NMAKE_VER)" == "8.00.50727.42"
CC_VERS_NUM = 80
!ELSEIF "$(_NMAKE_VER)" == "8.00.50727.762"
CC_VERS_NUM = 80
!ELSEIF "$(_NMAKE_VER)" == "9.00.21022.08"
CC_VERS_NUM = 90
!ELSEIF "$(_NMAKE_VER)" == "9.00.30729.01"
CC_VERS_NUM = 90
!ELSEIF "$(_NMAKE_VER)" == "10.00.20506.01"
CC_VERS_NUM = 100
!ELSE
!  MESSAGE Unknown value for _NMAKE_VER macro: "$(_NMAKE_VER)"
!  MESSAGE Please, report this condition on the c-ares development
!  MESSAGE mailing list: http://cool.haxx.se/mailman/listinfo/c-ares/
!  ERROR   See previous message.
!ENDIF

CC_VERS_STR = msvc$(CC_VERS_NUM)

# ----------------------------------------------------
# Verify that current subdir is the c-ares source one
# ----------------------------------------------------

!IF ! EXIST(.\ares_init.c)
!  MESSAGE Can not process Makefile.msvc from outside of c-ares source subdirectory.
!  MESSAGE Change to the subdirectory where Makefile.msvc is found, and try again.
!  ERROR   See previous message.
!ENDIF

# ------------------------------------------------------------------
# Base subdir is the common root from which other subdirs will hang,
# the name depends on MSVC version being used when building c-ares.
# ------------------------------------------------------------------

BASE_DIR = .\$(CC_VERS_STR)

# ----------------------------------------
# Subdir holding sources for all projects
# ----------------------------------------

SRCDIR = .

# -------------------------
# Configuration validation
# -------------------------

VALID_CFGSET = FALSE
!IF "$(CFG)" == "lib-release" || "$(CFG)" == "lib-debug" || \
    "$(CFG)" == "dll-release" || "$(CFG)" == "dll-debug"
VALID_CFGSET = TRUE
!ENDIF

!IF "$(VALID_CFGSET)" == "FALSE" && "$(CFG)" != ""
!  MESSAGE MSVC c-ares makefile
!  MESSAGE
!  MESSAGE Usage: nmake /f makefile.msvc CFG=<config> <target>
!  MESSAGE
!  MESSAGE <config> must be one of: [ lib-release | lib-debug | dll-release | dll-debug }
!  MESSAGE <target> must be one of: [ ALL | c-ares | acountry | adig | ahost | clean }
!  MESSAGE
!  MESSAGE If a <target> other than ALL or clean is given, <config> becomes mandatory.
!  MESSAGE
!  MESSAGE If neither <config> nor <target> are specified this results in
!  MESSAGE all targets being built for all <config> c-ares library types.
!  MESSAGE
!  ERROR Choose a valid configuration.
!ENDIF

# --------------------------------------------------------
# Project subdirs independent of configuration being used
# --------------------------------------------------------

CARES_DIR = $(BASE_DIR)\cares
PROG1_DIR = $(BASE_DIR)\acountry
PROG2_DIR = $(BASE_DIR)\adig
PROG3_DIR = $(BASE_DIR)\ahost

# ---------------------------------------------------
# Subdirs which are configuration dependent are only
# defined when a valid configuration has been given.
# ---------------------------------------------------

!IF "$(VALID_CFGSET)" == "TRUE"
CARES_OUTDIR = $(CARES_DIR)\$(CFG)
PROG1_OUTDIR = $(PROG1_DIR)\$(CFG)
PROG2_OUTDIR = $(PROG2_DIR)\$(CFG)
PROG3_OUTDIR = $(PROG3_DIR)\$(CFG)
CARES_OBJDIR = $(CARES_OUTDIR)\obj
PROG1_OBJDIR = $(PROG1_OUTDIR)\obj
PROG2_OBJDIR = $(PROG2_OUTDIR)\obj
PROG3_OBJDIR = $(PROG3_OUTDIR)\obj
!ELSE
!UNDEF CARES_OUTDIR
!UNDEF PROG1_OUTDIR
!UNDEF PROG2_OUTDIR
!UNDEF PROG3_OUTDIR
!UNDEF CARES_OBJDIR
!UNDEF PROG1_OBJDIR
!UNDEF PROG2_OBJDIR
!UNDEF PROG3_OBJDIR
!ENDIF

# -------------------------------------
# Settings that depend on tcp/ip stack
# -------------------------------------

!IF "$(USE_WATT32)" == "1"
CFLAGS  = /UWIN32 /DWATT32 /I$(WATT_ROOT)\inc
EX_LIBS = $(WATT_ROOT)\lib\wattcpvc_imp.lib
!ELSE
CFLAGS  = /DWIN32
EX_LIBS = ws2_32.lib advapi32.lib kernel32.lib
!ENDIF

# -----------------------------------------
# Switches that depend on compiler version
# -----------------------------------------

!IF $(CC_VERS_NUM) == 60
PDB_NONE            = /pdb:none
PDBTYPE_CONSOLIDATE = /pdbtype:consolidate
!ELSE
!UNDEF PDB_NONE
!UNDEF PDBTYPE_CONSOLIDATE
!ENDIF

# ----------------------------
# Assorted commands and flags
# ----------------------------

CC_CMD_NODBG = cl.exe /nologo $(RTLIB) /DNDEBUG /O2
CC_CMD_DEBUG = cl.exe /nologo $(RTLIBD) /D_DEBUG /Od /Zi /GZ
CC_CFLAGS    = $(CFLAGS) /I. /W3 /GX /FD

RC_CMD_NODBG = rc.exe /l 0x409 /d "NDEBUG"
RC_CMD_DEBUG = rc.exe /l 0x409 /d "_DEBUG"

LINK_CMD_LIB = link.exe /lib /nologo
LINK_CMD_DLL = link.exe /dll /nologo /incremental:no /fixed:no
LINK_CMD_EXE = link.exe /nologo /incremental:no /fixed:no /subsystem:console

LINK_CMD_EXE_NODBG = $(LINK_CMD_EXE) /release $(PDB_NONE)
LINK_CMD_EXE_DEBUG = $(LINK_CMD_EXE) /debug $(PDBTYPE_CONSOLIDATE)

# ---------------------------------
# Configuration dependent settings
# ---------------------------------

!IF "$(CFG)" == "lib-release"
CARES_TARGET = $(LIB_BASENAME).lib
CARES_CFLAGS = /DCARES_BUILDING_LIBRARY /DCARES_STATICLIB
CARES_LFLAGS =
SPROG_CFLAGS = /DCARES_STATICLIB
SPROG_LFLAGS = /libpath:$(CARES_OUTDIR) $(EX_LIBS) $(LIB_BASENAME).lib
CARES_LINK   = $(LINK_CMD_LIB)
SPROG_LINK   = $(LINK_CMD_EXE_NODBG)
CC_CMD       = $(CC_CMD_NODBG)
!ENDIF

!IF "$(CFG)" == "lib-debug"
CARES_TARGET = $(LIB_BASENAME_DEBUG).lib
CARES_CFLAGS = /DCARES_BUILDING_LIBRARY /DCARES_STATICLIB /DDEBUGBUILD
CARES_LFLAGS =
SPROG_CFLAGS = /DCARES_STATICLIB
SPROG_LFLAGS = /libpath:$(CARES_OUTDIR) $(EX_LIBS) $(LIB_BASENAME_DEBUG).lib
CARES_LINK   = $(LINK_CMD_LIB)
SPROG_LINK   = $(LINK_CMD_EXE_DEBUG)
CC_CMD       = $(CC_CMD_DEBUG)
!ENDIF

!IF "$(CFG)" == "dll-release"
CARES_TARGET = $(LIB_BASENAME).dll
CARES_CFLAGS = /DCARES_BUILDING_LIBRARY
CARES_LFLAGS = /release $(EX_LIBS) /implib:$(CARES_OUTDIR)\$(IMPLIB_BASENAME).lib $(PDB_NONE)
SPROG_CFLAGS =
SPROG_LFLAGS = /libpath:$(CARES_OUTDIR) $(EX_LIBS) $(IMPLIB_BASENAME).lib
CARES_LINK   = $(LINK_CMD_DLL)
SPROG_LINK   = $(LINK_CMD_EXE_NODBG)
CC_CMD       = $(CC_CMD_NODBG)
USE_RES_FILE = TRUE
RC_CMD       = $(RC_CMD_NODBG)
!ENDIF

!IF "$(CFG)" == "dll-debug"
CARES_TARGET = $(LIB_BASENAME_DEBUG).dll
CARES_CFLAGS = /DCARES_BUILDING_LIBRARY /DDEBUGBUILD
CARES_LFLAGS = /debug $(EX_LIBS) /implib:$(CARES_OUTDIR)\$(IMPLIB_BASENAME_DEBUG).lib /pdb:$(CARES_OUTDIR)\$(LIB_BASENAME_DEBUG).pdb $(PDBTYPE_CONSOLIDATE)
SPROG_CFLAGS =
SPROG_LFLAGS = /libpath:$(CARES_OUTDIR) $(EX_LIBS) $(IMPLIB_BASENAME_DEBUG).lib
CARES_LINK   = $(LINK_CMD_DLL)
SPROG_LINK   = $(LINK_CMD_EXE_DEBUG)
CC_CMD       = $(CC_CMD_DEBUG)
USE_RES_FILE = TRUE
RC_CMD       = $(RC_CMD_DEBUG)
!ENDIF

# --------------------------------------------
# Makefile.inc provides lists of source files
# --------------------------------------------

!INCLUDE .\Makefile.inc

# ----------------------------
# Build lists of object files
# ----------------------------

!IF "$(VALID_CFGSET)" == "TRUE"

!IF [ECHO CARES_OBJS=^$(CARES_OBJDIR)\$(CSOURCES: = $(CARES_OBJDIR^)\) > .\cares_objs.inc] == 0
!INCLUDE .\cares_objs.inc
!IF [DEL .\cares_objs.inc]
!ENDIF
!ELSE
!ERROR Problem generating CARES_OBJS list.
!ENDIF
CARES_OBJS = $(CARES_OBJS:.c=.obj)
!IF "$(USE_RES_FILE)" == "TRUE"
CARES_OBJS = $(CARES_OBJS) $(CARES_OBJDIR)\cares.res
!ENDIF

!IF [ECHO PROG1_OBJS=^$(PROG1_OBJDIR)\$(SAMPLESOURCES: = $(PROG1_OBJDIR^)\) > .\prog1_objs.inc] == 0
!INCLUDE .\prog1_objs.inc
!IF [DEL .\prog1_objs.inc]
!ENDIF
!ELSE
!ERROR Problem generating PROG1_OBJS list.
!ENDIF
PROG1_OBJS = $(PROG1_OBJS:.c=.obj)
PROG1_OBJS = $(PROG1_OBJS) $(PROG1_OBJDIR)\acountry.obj

!IF [ECHO PROG2_OBJS=^$(PROG2_OBJDIR)\$(SAMPLESOURCES: = $(PROG2_OBJDIR^)\) > .\prog2_objs.inc] == 0
!INCLUDE .\prog2_objs.inc
!IF [DEL .\prog2_objs.inc]
!ENDIF
!ELSE
!ERROR Problem generating PROG2_OBJS list.
!ENDIF
PROG2_OBJS = $(PROG2_OBJS:.c=.obj)
PROG2_OBJS = $(PROG2_OBJS) $(PROG2_OBJDIR)\adig.obj

!IF [ECHO PROG3_OBJS=^$(PROG3_OBJDIR)\$(SAMPLESOURCES: = $(PROG3_OBJDIR^)\) > .\prog3_objs.inc] == 0
!INCLUDE .\prog3_objs.inc
!IF [DEL .\prog3_objs.inc]
!ENDIF
!ELSE
!ERROR Problem generating PROG3_OBJS list.
!ENDIF
PROG3_OBJS = $(PROG3_OBJS:.c=.obj)
PROG3_OBJS = $(PROG3_OBJS) $(PROG3_OBJDIR)\ahost.obj

!ENDIF

# --------------------------------
# Only our custom inference rules
# --------------------------------

.SUFFIXES:
.SUFFIXES: .c .rc

{$(SRCDIR)}.rc{$(CARES_OBJDIR)}.res:
    $(RC_CMD) /Fo $@ $<

{$(SRCDIR)}.c{$(CARES_OBJDIR)}.obj:
    $(CC_CMD) $(CC_CFLAGS) $(CARES_CFLAGS) /Fo$@ /Fd$(@D)\ /c $<

{$(SRCDIR)}.c{$(PROG1_OBJDIR)}.obj:
    $(CC_CMD) $(CC_CFLAGS) $(SPROG_CFLAGS) /Fo$@ /Fd$(@D)\ /c $<

{$(SRCDIR)}.c{$(PROG2_OBJDIR)}.obj:
    $(CC_CMD) $(CC_CFLAGS) $(SPROG_CFLAGS) /Fo$@ /Fd$(@D)\ /c $<

{$(SRCDIR)}.c{$(PROG3_OBJDIR)}.obj:
    $(CC_CMD) $(CC_CFLAGS) $(SPROG_CFLAGS) /Fo$@ /Fd$(@D)\ /c $<

# ------------------------------------------------------------- #
# ------------------------------------------------------------- #
# Default target when no CFG library type has been specified,   #
# results in building target ALL for all c-ares library types.  #
# ------------------------------------------------------------- #
# ------------------------------------------------------------- #

!IF "$(VALID_CFGSET)" == "FALSE"

ALL:
    $(MAKE) /f .\Makefile.msvc  CFG=lib-release  ALL
    $(MAKE) /f .\Makefile.msvc  CFG=lib-debug    ALL
    $(MAKE) /f .\Makefile.msvc  CFG=dll-release  ALL
    $(MAKE) /f .\Makefile.msvc  CFG=dll-debug    ALL

clean:
    @-RMDIR /S /Q $(BASE_DIR) >NUL 2>&1

!ENDIF

# ---------------------------------------------------------------------
# Targets only available when a proper CFG library type has been given
# ---------------------------------------------------------------------

!IF "$(VALID_CFGSET)" == "TRUE"

ALL: c-ares acountry adig ahost
    @

c-ares: $(HHEADERS) $(CSOURCES) $(CARES_OBJDIR) $(CARES_OBJS) $(CARES_OUTDIR)
    $(CARES_LINK) $(CARES_LFLAGS) /out:$(CARES_OUTDIR)\$(CARES_TARGET) $(CARES_OBJS)

acountry: c-ares acountry.c $(SAMPLESOURCES) $(SAMPLEHEADERS) $(PROG1_OBJDIR) $(PROG1_OBJS) $(PROG1_OUTDIR)
    $(SPROG_LINK) $(SPROG_LFLAGS) /out:$(PROG1_OUTDIR)\acountry.exe $(PROG1_OBJS)

adig: c-ares adig.c $(SAMPLESOURCES) $(SAMPLEHEADERS) $(PROG2_OBJDIR) $(PROG2_OBJS) $(PROG2_OUTDIR)
    $(SPROG_LINK) $(SPROG_LFLAGS) /out:$(PROG2_OUTDIR)\adig.exe $(PROG2_OBJS)

ahost: c-ares ahost.c $(SAMPLESOURCES) $(SAMPLEHEADERS) $(PROG3_OBJDIR) $(PROG3_OBJS) $(PROG3_OUTDIR)
    $(SPROG_LINK) $(SPROG_LFLAGS) /out:$(PROG3_OUTDIR)\ahost.exe $(PROG3_OBJS)

$(CARES_OUTDIR): $(CARES_DIR)
    @if not exist $(CARES_OUTDIR) mkdir $(CARES_OUTDIR)

$(PROG1_OUTDIR): $(PROG1_DIR)
    @if not exist $(PROG1_OUTDIR) mkdir $(PROG1_OUTDIR)

$(PROG2_OUTDIR): $(PROG2_DIR)
    @if not exist $(PROG2_OUTDIR) mkdir $(PROG2_OUTDIR)

$(PROG3_OUTDIR): $(PROG3_DIR)
    @if not exist $(PROG3_OUTDIR) mkdir $(PROG3_OUTDIR)

$(CARES_OBJDIR): $(CARES_OUTDIR)
    @if not exist $(CARES_OBJDIR) mkdir $(CARES_OBJDIR)

$(PROG1_OBJDIR): $(PROG1_OUTDIR)
    @if not exist $(PROG1_OBJDIR) mkdir $(PROG1_OBJDIR)

$(PROG2_OBJDIR): $(PROG2_OUTDIR)
    @if not exist $(PROG2_OBJDIR) mkdir $(PROG2_OBJDIR)

$(PROG3_OBJDIR): $(PROG3_OUTDIR)
    @if not exist $(PROG3_OBJDIR) mkdir $(PROG3_OBJDIR)

clean:
    @-RMDIR /S /Q $(CARES_OUTDIR) >NUL 2>&1
    @-RMDIR /S /Q $(PROG1_OUTDIR) >NUL 2>&1
    @-RMDIR /S /Q $(PROG2_OUTDIR) >NUL 2>&1
    @-RMDIR /S /Q $(PROG3_OUTDIR) >NUL 2>&1

!ENDIF

$(BASE_DIR):
    @if not exist $(BASE_DIR) mkdir $(BASE_DIR)

$(CARES_DIR): $(BASE_DIR)
    @if not exist $(CARES_DIR) mkdir $(CARES_DIR)

$(PROG1_DIR): $(BASE_DIR)
    @if not exist $(PROG1_DIR) mkdir $(PROG1_DIR)

$(PROG2_DIR): $(BASE_DIR)
    @if not exist $(PROG2_DIR) mkdir $(PROG2_DIR)

$(PROG3_DIR): $(BASE_DIR)
    @if not exist $(PROG3_DIR) mkdir $(PROG3_DIR)
