Makefile.msvc - third_party/c-ares - Git at Google


 # Copyright (C) 2009-2013 by Daniel Stenberg
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
 # in the Software without restriction, including without limitation the rights
 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
 # The above copyright notice and this permission notice (including the next
 # paragraph) shall be included in all copies or substantial portions of the
 # Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 #
 # SPDX-License-Identifier: MIT

 # ------------------------------------------------------------------------------
 #
 # 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 | 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.
 #
 # ------------------------------------------------------------------------------

 NAME = cares

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

 STA_LIB_REL = lib$(NAME)
 DYN_LIB_REL = $(NAME)
 STA_LIB_DBG = $(STA_LIB_REL)d
 DYN_LIB_DBG = $(DYN_LIB_REL)d

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

 IMP_LIB_REL = $(DYN_LIB_REL)
 IMP_LIB_DBG = $(DYN_LIB_DBG)

 # --------------------------
 # 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.
 # --------------------------------------------------------

 !IFNDEF USE_WATT32
 USE_WATT32 = 0
 !ENDIF

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

 !IF ! EXIST(.\src\lib\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.
 # ------------------------------------------------------------------

 BASE_DIR = .\msvc

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

 SRCDIR = .

 # -----------------------------
 # Default installation subdirs
 # -----------------------------

 !IFNDEF INSTALL_DIR
 INSTALL_DIR = .
 !ENDIF

 !IFNDEF INSTALL_DIR_LIB
 INSTALL_DIR_LIB = $(INSTALL_DIR)\lib
 !ENDIF

 !IFNDEF INSTALL_DIR_INC
 INSTALL_DIR_INC = $(INSTALL_DIR)\include
 !ENDIF

 # -------------------------
 # 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 | 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
 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)
 PROG2_OUTDIR = $(PROG2_DIR)\$(CFG)
 PROG3_OUTDIR = $(PROG3_DIR)\$(CFG)
 CARES_OBJDIR = $(CARES_OUTDIR)\obj
 PROG2_OBJDIR = $(PROG2_OUTDIR)\obj
 PROG3_OBJDIR = $(PROG3_OUTDIR)\obj
 !ELSE
 !UNDEF CARES_OUTDIR
 !UNDEF PROG2_OUTDIR
 !UNDEF PROG3_OUTDIR
 !UNDEF CARES_OBJDIR
 !UNDEF PROG2_OBJDIR
 !UNDEF PROG3_OBJDIR
 !ENDIF

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

 !IF "$(USE_WATT32)" == "1"
 CFLAGS  = /D_WIN32_WINNT=0x0602 /DWATT32 /I$(WATT_ROOT)\inc
 !  IFNDEF PLATFORM
 PLATFORM = x86
 !  ENDIF
 EX_LIBS_REL = $(WATT_ROOT)\lib\$(PLATFORM)\wattcpvc_imp.lib advapi32.lib
 EX_LIBS_DBG = $(WATT_ROOT)\lib\$(PLATFORM)\wattcpvc_imp_d.lib advapi32.lib
 !ELSE
 CFLAGS  = /D_WIN32_WINNT=0x0602
 EX_LIBS_REL = ws2_32.lib advapi32.lib kernel32.lib iphlpapi.lib
 EX_LIBS_DBG = ws2_32.lib advapi32.lib kernel32.lib iphlpapi.lib
 !ENDIF


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

 CC_CMD_REL = cl.exe /nologo $(RTLIB) /DNDEBUG /O2
 CC_CMD_DBG = cl.exe /nologo $(RTLIBD) /D_DEBUG /Od /Zi /RTCsu
 CC_CFLAGS  = $(CFLAGS) /D_REENTRANT /I.\src\lib /I.\include /I.\src\lib\include /W3 /EHsc /FD

 RC_CMD_REL = rc.exe /l 0x409 /d "NDEBUG"
 RC_CMD_DBG = 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_REL = $(LINK_CMD_EXE) /release
 LINK_CMD_EXE_DBG = $(LINK_CMD_EXE) /debug

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

 !IF "$(CFG)" == "lib-release"
 CARES_TARGET = $(STA_LIB_REL).lib
 CARES_CFLAGS = /DCARES_BUILDING_LIBRARY /DCARES_STATICLIB
 CARES_LFLAGS =
 SPROG_CFLAGS = /DCARES_STATICLIB /DCARES_NO_DEPRECATED
 SPROG_LFLAGS = /libpath:$(CARES_OUTDIR) $(EX_LIBS_REL) $(STA_LIB_REL).lib
 CARES_LINK   = $(LINK_CMD_LIB)
 SPROG_LINK   = $(LINK_CMD_EXE_REL)
 CC_CMD       = $(CC_CMD_REL)
 !ENDIF

 !IF "$(CFG)" == "lib-debug"
 CARES_TARGET = $(STA_LIB_DBG).lib
 CARES_CFLAGS = /DCARES_BUILDING_LIBRARY /DCARES_STATICLIB /DDEBUGBUILD
 CARES_LFLAGS =
 SPROG_CFLAGS = /DCARES_STATICLIB /DCARES_NO_DEPRECATED
 SPROG_LFLAGS = /libpath:$(CARES_OUTDIR) $(EX_LIBS_DBG) $(STA_LIB_DBG).lib
 CARES_LINK   = $(LINK_CMD_LIB)
 SPROG_LINK   = $(LINK_CMD_EXE_DBG)
 CC_CMD       = $(CC_CMD_DBG)
 !ENDIF

 !IF "$(CFG)" == "dll-release"
 CARES_TARGET = $(DYN_LIB_REL).dll
 CARES_CFLAGS = /DCARES_BUILDING_LIBRARY
 CARES_LFLAGS = /release $(EX_LIBS_REL) /implib:$(CARES_OUTDIR)\$(IMP_LIB_REL).lib
 SPROG_CFLAGS = /DCARES_NO_DEPRECATED
 SPROG_LFLAGS = /libpath:$(CARES_OUTDIR) $(EX_LIBS_REL) $(IMP_LIB_REL).lib
 CARES_LINK   = $(LINK_CMD_DLL)
 SPROG_LINK   = $(LINK_CMD_EXE_REL)
 CC_CMD       = $(CC_CMD_REL)
 USE_RES_FILE = TRUE
 RC_CMD       = $(RC_CMD_REL)
 !ENDIF

 !IF "$(CFG)" == "dll-debug"
 CARES_TARGET = $(DYN_LIB_DBG).dll
 CARES_CFLAGS = /DCARES_BUILDING_LIBRARY /DDEBUGBUILD
 CARES_LFLAGS = /debug $(EX_LIBS_DBG) /implib:$(CARES_OUTDIR)\$(IMP_LIB_DBG).lib /pdb:$(CARES_OUTDIR)\$(DYN_LIB_DBG).pdb
 SPROG_CFLAGS = /DCARES_NO_DEPRECATED
 SPROG_LFLAGS = /libpath:$(CARES_OUTDIR) $(EX_LIBS_DBG) $(IMP_LIB_DBG).lib
 CARES_LINK   = $(LINK_CMD_DLL)
 SPROG_LINK   = $(LINK_CMD_EXE_DBG)
 CC_CMD       = $(CC_CMD_DBG)
 USE_RES_FILE = TRUE
 RC_CMD       = $(RC_CMD_DBG)
 !ENDIF

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

 !INCLUDE .\src\lib\Makefile.inc
 !INCLUDE .\src\tools\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)
 CARES_OBJS = $(CARES_OBJS:/=\)
 !IF "$(USE_RES_FILE)" == "TRUE"
 CARES_OBJS = $(CARES_OBJS) $(CARES_OBJDIR)\cares.res
 !ENDIF

 !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_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_OBJS = $(PROG3_OBJS) $(PROG3_OBJDIR)\ahost.obj

 !ENDIF


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

 .SUFFIXES:
 .SUFFIXES: .c .rc

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

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

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

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

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

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

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

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

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

 {$(SRCDIR)\src\tools}.c{$(PROG3_OBJDIR)}.obj:
     $(CC_CMD) $(CC_CFLAGS) $(SPROG_CFLAGS) /Fo$@ /Fd$(PROG3_OBJDIR)\ /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) /NOLOGO /f .\Makefile.msvc  CFG=lib-release  ALL
     $(MAKE) /NOLOGO /f .\Makefile.msvc  CFG=lib-debug    ALL
     $(MAKE) /NOLOGO /f .\Makefile.msvc  CFG=dll-release  ALL
     $(MAKE) /NOLOGO /f .\Makefile.msvc  CFG=dll-debug    ALL

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

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

 !ENDIF

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

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

 ALL: c-ares adig ahost
     @

 # $(HHEADERS) $(CSOURCES)
 c-ares: $(CARES_OBJDIR) $(CARES_OBJS) $(CARES_OUTDIR)
     $(CARES_LINK) $(CARES_LFLAGS) /out:$(CARES_OUTDIR)\$(CARES_TARGET) $(CARES_OBJS)
 !   IF "$(USE_RES_FILE)" == "TRUE"
     @if exist $(CARES_OUTDIR)\$(CARES_TARGET).manifest mt -nologo -manifest $(CARES_OUTDIR)\$(CARES_TARGET).manifest -outputresource:$(CARES_OUTDIR)\$(CARES_TARGET);2
 !   ENDIF

 # adig.c $(SAMPLESOURCES) $(SAMPLEHEADERS)
 adig: c-ares  $(PROG2_OBJDIR) $(PROG2_OBJS) $(PROG2_OUTDIR)
     $(SPROG_LINK) $(SPROG_LFLAGS) /out:$(PROG2_OUTDIR)\adig.exe $(PROG2_OBJS:..\lib=)
     @if exist $(PROG2_OUTDIR)\adig.exe.manifest mt -nologo -manifest $(PROG2_OUTDIR)\adig.exe.manifest -outputresource:$(PROG2_OUTDIR)\adig.exe;1

 # ahost.c $(SAMPLESOURCES) $(SAMPLEHEADERS)
 ahost: c-ares $(PROG3_OBJDIR) $(PROG3_OBJS) $(PROG3_OUTDIR)
     $(SPROG_LINK) $(SPROG_LFLAGS) /out:$(PROG3_OUTDIR)\ahost.exe $(PROG3_OBJS:..\lib=)
     @if exist $(PROG3_OUTDIR)\ahost.exe.manifest mt -nologo -manifest $(PROG3_OUTDIR)\ahost.exe.manifest -outputresource:$(PROG3_OUTDIR)\ahost.exe;1

 $(CARES_OUTDIR): $(CARES_DIR)
     @if not exist $(CARES_OUTDIR) mkdir $(CARES_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)
     @if not exist $(CARES_OBJDIR)\dsa mkdir $(CARES_OBJDIR)\dsa
     @if not exist $(CARES_OBJDIR)\event mkdir $(CARES_OBJDIR)\event
     @if not exist $(CARES_OBJDIR)\legacy mkdir $(CARES_OBJDIR)\legacy
     @if not exist $(CARES_OBJDIR)\record mkdir $(CARES_OBJDIR)\record
     @if not exist $(CARES_OBJDIR)\str mkdir $(CARES_OBJDIR)\str
     @if not exist $(CARES_OBJDIR)\util mkdir $(CARES_OBJDIR)\util

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

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

 clean:
     @-RMDIR /S /Q $(CARES_OBJDIR)\dsa >NUL 2>&1
     @-RMDIR /S /Q $(CARES_OBJDIR)\event >NUL 2>&1
     @-RMDIR /S /Q $(CARES_OBJDIR)\legacy >NUL 2>&1
     @-RMDIR /S /Q $(CARES_OBJDIR)\record >NUL 2>&1
     @-RMDIR /S /Q $(CARES_OBJDIR)\str >NUL 2>&1
     @-RMDIR /S /Q $(CARES_OBJDIR)\util >NUL 2>&1
     @-RMDIR /S /Q $(CARES_OUTDIR) >NUL 2>&1
     @-RMDIR /S /Q $(PROG2_OBJDIR)\str >NUL 2>&1
     @-RMDIR /S /Q $(PROG2_OUTDIR) >NUL 2>&1
     @-RMDIR /S /Q $(PROG3_OBJDIR)\str >NUL 2>&1
     @-RMDIR /S /Q $(PROG3_OUTDIR) >NUL 2>&1

 install:
     @if not exist $(CARES_OUTDIR)\$(CARES_TARGET) \
         $(MAKE) /f .\Makefile.msvc CFG=$(CFG) c-ares
     @if not exist "$(INSTALL_DIR)"     mkdir "$(INSTALL_DIR)"
     @if not exist "$(INSTALL_DIR_LIB)" mkdir "$(INSTALL_DIR_LIB)"
     @if not exist "$(INSTALL_DIR_INC)" mkdir "$(INSTALL_DIR_INC)"
     @copy /y $(CARES_OUTDIR)\*.*              "$(INSTALL_DIR_LIB)" >NUL
     @copy /y $(SRCDIR)\include\ares.h         "$(INSTALL_DIR_INC)" >NUL
     @copy /y $(SRCDIR)\include\ares_build.h   "$(INSTALL_DIR_INC)" >NUL
     @copy /y $(SRCDIR)\include\ares_version.h "$(INSTALL_DIR_INC)" >NUL
     @copy /y $(SRCDIR)\include\ares_dns_record.h "$(INSTALL_DIR_INC)" >NUL
     @echo Installed c-ares $(CFG)

 !ENDIF

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

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

 # End of Makefile.msvc

	# Copyright (C) 2009-2013 by Daniel Stenberg
	#
	# Permission is hereby granted, free of charge, to any person obtaining a copy
	# of this software and associated documentation files (the "Software"), to deal
	# in the Software without restriction, including without limitation the rights
	# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	# copies of the Software, and to permit persons to whom the Software is
	# furnished to do so, subject to the following conditions:
	#
	# The above copyright notice and this permission notice (including the next
	# paragraph) shall be included in all copies or substantial portions of the
	# Software.
	#
	# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	# SOFTWARE.
	#
	# SPDX-License-Identifier: MIT

	# ------------------------------------------------------------------------------
	#
	# 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 \| 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.
	#
	# ------------------------------------------------------------------------------

	NAME = cares

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

	STA_LIB_REL = lib$(NAME)
	DYN_LIB_REL = $(NAME)
	STA_LIB_DBG = $(STA_LIB_REL)d
	DYN_LIB_DBG = $(DYN_LIB_REL)d

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

	IMP_LIB_REL = $(DYN_LIB_REL)
	IMP_LIB_DBG = $(DYN_LIB_DBG)

	# --------------------------
	# 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.
	# --------------------------------------------------------

	!IFNDEF USE_WATT32
	USE_WATT32 = 0
	!ENDIF

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

	!IF ! EXIST(.\src\lib\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.
	# ------------------------------------------------------------------

	BASE_DIR = .\msvc

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

	SRCDIR = .

	# -----------------------------
	# Default installation subdirs
	# -----------------------------

	!IFNDEF INSTALL_DIR
	INSTALL_DIR = .
	!ENDIF

	!IFNDEF INSTALL_DIR_LIB
	INSTALL_DIR_LIB = $(INSTALL_DIR)\lib
	!ENDIF

	!IFNDEF INSTALL_DIR_INC
	INSTALL_DIR_INC = $(INSTALL_DIR)\include
	!ENDIF

	# -------------------------
	# 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 \| 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
	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)
	PROG2_OUTDIR = $(PROG2_DIR)\$(CFG)
	PROG3_OUTDIR = $(PROG3_DIR)\$(CFG)
	CARES_OBJDIR = $(CARES_OUTDIR)\obj
	PROG2_OBJDIR = $(PROG2_OUTDIR)\obj
	PROG3_OBJDIR = $(PROG3_OUTDIR)\obj
	!ELSE
	!UNDEF CARES_OUTDIR
	!UNDEF PROG2_OUTDIR
	!UNDEF PROG3_OUTDIR
	!UNDEF CARES_OBJDIR
	!UNDEF PROG2_OBJDIR
	!UNDEF PROG3_OBJDIR
	!ENDIF

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

	!IF "$(USE_WATT32)" == "1"
	CFLAGS = /D_WIN32_WINNT=0x0602 /DWATT32 /I$(WATT_ROOT)\inc
	! IFNDEF PLATFORM
	PLATFORM = x86
	! ENDIF
	EX_LIBS_REL = $(WATT_ROOT)\lib\$(PLATFORM)\wattcpvc_imp.lib advapi32.lib
	EX_LIBS_DBG = $(WATT_ROOT)\lib\$(PLATFORM)\wattcpvc_imp_d.lib advapi32.lib
	!ELSE
	CFLAGS = /D_WIN32_WINNT=0x0602
	EX_LIBS_REL = ws2_32.lib advapi32.lib kernel32.lib iphlpapi.lib
	EX_LIBS_DBG = ws2_32.lib advapi32.lib kernel32.lib iphlpapi.lib
	!ENDIF


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

	CC_CMD_REL = cl.exe /nologo $(RTLIB) /DNDEBUG /O2
	CC_CMD_DBG = cl.exe /nologo $(RTLIBD) /D_DEBUG /Od /Zi /RTCsu
	CC_CFLAGS = $(CFLAGS) /D_REENTRANT /I.\src\lib /I.\include /I.\src\lib\include /W3 /EHsc /FD

	RC_CMD_REL = rc.exe /l 0x409 /d "NDEBUG"
	RC_CMD_DBG = 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_REL = $(LINK_CMD_EXE) /release
	LINK_CMD_EXE_DBG = $(LINK_CMD_EXE) /debug

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

	!IF "$(CFG)" == "lib-release"
	CARES_TARGET = $(STA_LIB_REL).lib
	CARES_CFLAGS = /DCARES_BUILDING_LIBRARY /DCARES_STATICLIB
	CARES_LFLAGS =
	SPROG_CFLAGS = /DCARES_STATICLIB /DCARES_NO_DEPRECATED
	SPROG_LFLAGS = /libpath:$(CARES_OUTDIR) $(EX_LIBS_REL) $(STA_LIB_REL).lib
	CARES_LINK = $(LINK_CMD_LIB)
	SPROG_LINK = $(LINK_CMD_EXE_REL)
	CC_CMD = $(CC_CMD_REL)
	!ENDIF

	!IF "$(CFG)" == "lib-debug"
	CARES_TARGET = $(STA_LIB_DBG).lib
	CARES_CFLAGS = /DCARES_BUILDING_LIBRARY /DCARES_STATICLIB /DDEBUGBUILD
	CARES_LFLAGS =
	SPROG_CFLAGS = /DCARES_STATICLIB /DCARES_NO_DEPRECATED
	SPROG_LFLAGS = /libpath:$(CARES_OUTDIR) $(EX_LIBS_DBG) $(STA_LIB_DBG).lib
	CARES_LINK = $(LINK_CMD_LIB)
	SPROG_LINK = $(LINK_CMD_EXE_DBG)
	CC_CMD = $(CC_CMD_DBG)
	!ENDIF

	!IF "$(CFG)" == "dll-release"
	CARES_TARGET = $(DYN_LIB_REL).dll
	CARES_CFLAGS = /DCARES_BUILDING_LIBRARY
	CARES_LFLAGS = /release $(EX_LIBS_REL) /implib:$(CARES_OUTDIR)\$(IMP_LIB_REL).lib
	SPROG_CFLAGS = /DCARES_NO_DEPRECATED
	SPROG_LFLAGS = /libpath:$(CARES_OUTDIR) $(EX_LIBS_REL) $(IMP_LIB_REL).lib
	CARES_LINK = $(LINK_CMD_DLL)
	SPROG_LINK = $(LINK_CMD_EXE_REL)
	CC_CMD = $(CC_CMD_REL)
	USE_RES_FILE = TRUE
	RC_CMD = $(RC_CMD_REL)
	!ENDIF

	!IF "$(CFG)" == "dll-debug"
	CARES_TARGET = $(DYN_LIB_DBG).dll
	CARES_CFLAGS = /DCARES_BUILDING_LIBRARY /DDEBUGBUILD
	CARES_LFLAGS = /debug $(EX_LIBS_DBG) /implib:$(CARES_OUTDIR)\$(IMP_LIB_DBG).lib /pdb:$(CARES_OUTDIR)\$(DYN_LIB_DBG).pdb
	SPROG_CFLAGS = /DCARES_NO_DEPRECATED
	SPROG_LFLAGS = /libpath:$(CARES_OUTDIR) $(EX_LIBS_DBG) $(IMP_LIB_DBG).lib
	CARES_LINK = $(LINK_CMD_DLL)
	SPROG_LINK = $(LINK_CMD_EXE_DBG)
	CC_CMD = $(CC_CMD_DBG)
	USE_RES_FILE = TRUE
	RC_CMD = $(RC_CMD_DBG)
	!ENDIF

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

	!INCLUDE .\src\lib\Makefile.inc
	!INCLUDE .\src\tools\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)
	CARES_OBJS = $(CARES_OBJS:/=\)
	!IF "$(USE_RES_FILE)" == "TRUE"
	CARES_OBJS = $(CARES_OBJS) $(CARES_OBJDIR)\cares.res
	!ENDIF

	!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_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_OBJS = $(PROG3_OBJS) $(PROG3_OBJDIR)\ahost.obj

	!ENDIF


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

	.SUFFIXES:
	.SUFFIXES: .c .rc

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

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

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

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

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

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

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

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

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

	{$(SRCDIR)\src\tools}.c{$(PROG3_OBJDIR)}.obj:
	$(CC_CMD) $(CC_CFLAGS) $(SPROG_CFLAGS) /Fo$@ /Fd$(PROG3_OBJDIR)\ /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) /NOLOGO /f .\Makefile.msvc CFG=lib-release ALL
	$(MAKE) /NOLOGO /f .\Makefile.msvc CFG=lib-debug ALL
	$(MAKE) /NOLOGO /f .\Makefile.msvc CFG=dll-release ALL
	$(MAKE) /NOLOGO /f .\Makefile.msvc CFG=dll-debug ALL

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

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

	!ENDIF

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

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

	ALL: c-ares adig ahost
	@

	# $(HHEADERS) $(CSOURCES)
	c-ares: $(CARES_OBJDIR) $(CARES_OBJS) $(CARES_OUTDIR)
	$(CARES_LINK) $(CARES_LFLAGS) /out:$(CARES_OUTDIR)\$(CARES_TARGET) $(CARES_OBJS)
	! IF "$(USE_RES_FILE)" == "TRUE"
	@if exist $(CARES_OUTDIR)\$(CARES_TARGET).manifest mt -nologo -manifest $(CARES_OUTDIR)\$(CARES_TARGET).manifest -outputresource:$(CARES_OUTDIR)\$(CARES_TARGET);2
	! ENDIF

	# adig.c $(SAMPLESOURCES) $(SAMPLEHEADERS)
	adig: c-ares $(PROG2_OBJDIR) $(PROG2_OBJS) $(PROG2_OUTDIR)
	$(SPROG_LINK) $(SPROG_LFLAGS) /out:$(PROG2_OUTDIR)\adig.exe $(PROG2_OBJS:..\lib=)
	@if exist $(PROG2_OUTDIR)\adig.exe.manifest mt -nologo -manifest $(PROG2_OUTDIR)\adig.exe.manifest -outputresource:$(PROG2_OUTDIR)\adig.exe;1

	# ahost.c $(SAMPLESOURCES) $(SAMPLEHEADERS)
	ahost: c-ares $(PROG3_OBJDIR) $(PROG3_OBJS) $(PROG3_OUTDIR)
	$(SPROG_LINK) $(SPROG_LFLAGS) /out:$(PROG3_OUTDIR)\ahost.exe $(PROG3_OBJS:..\lib=)
	@if exist $(PROG3_OUTDIR)\ahost.exe.manifest mt -nologo -manifest $(PROG3_OUTDIR)\ahost.exe.manifest -outputresource:$(PROG3_OUTDIR)\ahost.exe;1

	$(CARES_OUTDIR): $(CARES_DIR)
	@if not exist $(CARES_OUTDIR) mkdir $(CARES_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)
	@if not exist $(CARES_OBJDIR)\dsa mkdir $(CARES_OBJDIR)\dsa
	@if not exist $(CARES_OBJDIR)\event mkdir $(CARES_OBJDIR)\event
	@if not exist $(CARES_OBJDIR)\legacy mkdir $(CARES_OBJDIR)\legacy
	@if not exist $(CARES_OBJDIR)\record mkdir $(CARES_OBJDIR)\record
	@if not exist $(CARES_OBJDIR)\str mkdir $(CARES_OBJDIR)\str
	@if not exist $(CARES_OBJDIR)\util mkdir $(CARES_OBJDIR)\util

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

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

	clean:
	@-RMDIR /S /Q $(CARES_OBJDIR)\dsa >NUL 2>&1
	@-RMDIR /S /Q $(CARES_OBJDIR)\event >NUL 2>&1
	@-RMDIR /S /Q $(CARES_OBJDIR)\legacy >NUL 2>&1
	@-RMDIR /S /Q $(CARES_OBJDIR)\record >NUL 2>&1
	@-RMDIR /S /Q $(CARES_OBJDIR)\str >NUL 2>&1
	@-RMDIR /S /Q $(CARES_OBJDIR)\util >NUL 2>&1
	@-RMDIR /S /Q $(CARES_OUTDIR) >NUL 2>&1
	@-RMDIR /S /Q $(PROG2_OBJDIR)\str >NUL 2>&1
	@-RMDIR /S /Q $(PROG2_OUTDIR) >NUL 2>&1
	@-RMDIR /S /Q $(PROG3_OBJDIR)\str >NUL 2>&1
	@-RMDIR /S /Q $(PROG3_OUTDIR) >NUL 2>&1

	install:
	@if not exist $(CARES_OUTDIR)\$(CARES_TARGET) \
	$(MAKE) /f .\Makefile.msvc CFG=$(CFG) c-ares
	@if not exist "$(INSTALL_DIR)" mkdir "$(INSTALL_DIR)"
	@if not exist "$(INSTALL_DIR_LIB)" mkdir "$(INSTALL_DIR_LIB)"
	@if not exist "$(INSTALL_DIR_INC)" mkdir "$(INSTALL_DIR_INC)"
	@copy /y $(CARES_OUTDIR)\. "$(INSTALL_DIR_LIB)" >NUL
	@copy /y $(SRCDIR)\include\ares.h "$(INSTALL_DIR_INC)" >NUL
	@copy /y $(SRCDIR)\include\ares_build.h "$(INSTALL_DIR_INC)" >NUL
	@copy /y $(SRCDIR)\include\ares_version.h "$(INSTALL_DIR_INC)" >NUL
	@copy /y $(SRCDIR)\include\ares_dns_record.h "$(INSTALL_DIR_INC)" >NUL
	@echo Installed c-ares $(CFG)

	!ENDIF

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

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

	# End of Makefile.msvc