TCLINSTALL	= 1
TCLDIR          = $(_INSTALLDIR)\..
# NOTE: we will be resetting _INSTALLDIR to _INSTALLDIR/lib for extensions
# later so the \.. accounts for the /lib
_TCLDIR		= $(_INSTALLDIR)\..
_TCL_H          = $(_TCLDIR)\include\tcl.h

!else # exist(...) && !$(NEED_TCL_SOURCE)

!if [echo _TCLDIR = \> nmakehlp.out] \
   || [nmakehlp -L generic\tcl.h >> nmakehlp.out]
!error *** Could not locate Tcl source directory.
!endif
!include nmakehlp.out
TCLINSTALL      = 0
TCLDIR         = $(_TCLDIR)
_TCL_H          = $(_TCLDIR)\generic\tcl.h

!endif # exist(...) && !$(NEED_TCL_SOURCE)

!endif # TCLDIR

!ifndef _TCL_H
MSG =^
Failed to find tcl.h. The TCLDIR macro is set incorrectly or is not set and default path does not contain tcl.h.
!error $(MSG)

NMAKEHLPC = nmakehlp.c

!if !$(DOING_TCL)
!if $(TCLINSTALL)
!if exist("$(_TCLDIR)\lib\nmake\nmakehlp.c")
NMAKEHLPC = $(_TCLDIR)\lib\nmake\nmakehlp.c
!endif
!else # !$(TCLINSTALL)
!if exist("$(_TCLDIR)\win\nmakehlp.c")
NMAKEHLPC = $(_TCLDIR)\win\nmakehlp.c
!endif
!endif # $(TCLINSTALL)
!endif # !$(DOING_TCL)

!endif # NMAKEHLPC

# USE_THREAD_ALLOC - 1 -> Use a shared global free pool for allocation.
#           0 -> Use the non-thread allocator.
# UNCHECKED - 1 -> when doing a debug build with symbols, use the release
#           C runtime, 0 -> use the debug C runtime.
# USE_STUBS - 1 -> compile to use stubs interfaces, 0 -> direct linking
# CONFIG_CHECK - 1 -> check current build configuration against Tcl
#           configuration (ignored for Tcl itself)
# _USE_64BIT_TIME_T - forces a build using 64-bit time_t for 32-bit build
#           (CRT library should support this, not needed for Tcl 9.x)
# TCL_UTF_MAX=4 - forces a build allowing 4-byte UTF-8 sequences internally.
#           (Not needed for Tcl 9.x)
# Further, LINKERFLAGS are modified based on above.

# Default values for all the above
STATIC_BUILD	= 0
TCL_THREADS	= 1
DEBUG		= 0
SYMBOLS		= 0

!if [nmakehlp -f $(OPTS) "nomsvcrt"]
!message *** Doing nomsvcrt
MSVCRT		= 0
!else
!if [nmakehlp -f $(OPTS) "msvcrt"]
!message *** Doing msvcrt

!else
!if $(STATIC_BUILD)


MSVCRT		= 0
!endif
!endif
!endif # [nmakehlp -f $(OPTS) "nomsvcrt"]

!if [nmakehlp -f $(OPTS) "staticpkg"] && $(STATIC_BUILD)
!message *** Doing staticpkg
TCL_USE_STATIC_PACKAGES	= 1


!endif

!if [nmakehlp -f $(OPTS) "nothreads"]
!message *** Compile explicitly for non-threaded tcl
TCL_THREADS = 0
USE_THREAD_ALLOC= 0
!endif

!if "$(TCL_MAJOR_VERSION)" == "8"
!if [nmakehlp -f $(OPTS) "time64bit"]
!message *** Force 64-bit time_t
_USE_64BIT_TIME_T = 1
!endif

!if [nmakehlp -f $(OPTS) "utfmax"]
!message *** Force allowing 4-byte UTF-8 sequences internally
TCL_UTF_MAX = 4
!endif
!endif

# Yes, it's weird that the "symbols" option controls DEBUG and
# the "pdbs" option controls SYMBOLS. That's historical.
!if [nmakehlp -f $(OPTS) "symbols"]
!message *** Doing symbols
DEBUG		= 1

!if "$(MACHINE)" != "IX86"
BUILDDIRTOP =$(BUILDDIRTOP)_$(MACHINE)
!endif
!if $(VCVER) > 6
BUILDDIRTOP =$(BUILDDIRTOP)_VC$(VCVER)
!endif

!if !$(DEBUG) || $(TCL_VERSION) > 86 || $(DEBUG) && $(UNCHECKED)
SUFX	    = $(SUFX:g=)
!endif

TMP_DIRFULL = .\$(BUILDDIRTOP)\$(PROJECT)_ThreadedDynamicStaticX

!if !$(STATIC_BUILD)
TMP_DIRFULL = $(TMP_DIRFULL:Static=)

TCLLIBNAME	= $(PROJECT)$(VERSION)$(SUFX).$(EXT)
TCLLIB		= $(OUT_DIR)\$(TCLLIBNAME)

TCLSTUBLIBNAME	= $(STUBPREFIX)$(VERSION).lib
TCLSTUBLIB	= $(OUT_DIR)\$(TCLSTUBLIBNAME)
TCL_INCLUDES    = -I"$(WIN_DIR)" -I"$(GENERICDIR)"

!else # !$(DOING_TCL)

!if $(TCLINSTALL) # Building against an installed Tcl

# When building extensions, we need to locate tclsh. Depending on version
# of Tcl we are building against, this may or may not have a "t" suffix.
# Try various possibilities in turn.
TCLSH		= $(_TCLDIR)\bin\tclsh$(TCL_VERSION)$(SUFX:t=).exe

!if $(DOING_TCL) || $(DOING_TK)
LIB_INSTALL_DIR		= $(_INSTALLDIR)\lib
BIN_INSTALL_DIR		= $(_INSTALLDIR)\bin
DOC_INSTALL_DIR		= $(_INSTALLDIR)\doc
!if $(DOING_TCL)
SCRIPT_INSTALL_DIR	= $(_INSTALLDIR)\lib\$(PROJECT)$(TCL_MAJOR_VERSION).$(TCL_MINOR_VERSION)
MODULE_INSTALL_DIR	= $(_INSTALLDIR)\lib\tcl$(TCL_MAJOR_VERSION)
!else # DOING_TK
SCRIPT_INSTALL_DIR	= $(_INSTALLDIR)\lib\$(PROJECT)$(TK_MAJOR_VERSION).$(TK_MINOR_VERSION)
!endif
DEMO_INSTALL_DIR	= $(SCRIPT_INSTALL_DIR)\demos
INCLUDE_INSTALL_DIR	= $(_INSTALLDIR)\include

!else # extension other than Tk

!if $(TCL_NO_DEPRECATED)
OPTDEFINES	= $(OPTDEFINES) /DTCL_NO_DEPRECATED
!endif

!if $(USE_STUBS)
# Note we do not define USE_TCL_STUBS even when building tk since some
# test targets in tk do not use stubs
!if !$(DOING_TCL)
USE_STUBS_DEFS  = /DUSE_TCL_STUBS=1 /DUSE_TCLOO_STUBS=1
!if $(NEED_TK)
USE_STUBS_DEFS  = $(USE_STUBS_DEFS) /DUSE_TK_STUBS
!endif
!endif
!endif # USE_STUBS

!endif
!if "$(MACHINE)" == "AMD64"
OPTDEFINES	= $(OPTDEFINES) /DTCL_CFG_DO64BIT
!endif
!if $(VCVERSION) < 1300
OPTDEFINES	= $(OPTDEFINES) /DNO_STRTOI64=1
!endif

!if "$(TCL_MAJOR_VERSION)" == "8"
!if "$(_USE_64BIT_TIME_T)" == "1"
OPTDEFINES	= $(OPTDEFINES) /D_USE_64BIT_TIME_T=1
!endif
!if "$(TCL_UTF_MAX)" == "4"
OPTDEFINES	= $(OPTDEFINES) /DTCL_UTF_MAX=4
!endif

# _ATL_XP_TARGETING - Newer SDK's need this to build for XP
COMPILERFLAGS  = /D_ATL_XP_TARGETING
!endif

# Like the TEA system only set this non empty for non-Tk extensions
# Note: some extensions use PACKAGE_NAME and others use PACKAGE_TCLNAME
# so we pass both
!if !$(DOING_TCL) && !$(DOING_TK)
PKGNAMEFLAGS = /DPACKAGE_NAME="\"$(PRJ_PACKAGE_TCLNAME)\"" \
               /DPACKAGE_TCLNAME="\"$(PRJ_PACKAGE_TCLNAME)\"" \

!endif

################################################################
# 14. Sanity check selected options against Tcl build options
# When building an extension, certain configuration options should
# match the ones used when Tcl was built. Here we check and
# warn on a mismatch.
!if !$(DOING_TCL)

!if $(TCLINSTALL) # Building against an installed Tcl
!if exist("$(_TCLDIR)\lib\nmake\tcl.nmake")
TCLNMAKECONFIG = "$(_TCLDIR)\lib\nmake\tcl.nmake"
!endif
!else # !$(TCLINSTALL) - building against Tcl source
!if exist("$(OUT_DIR)\tcl.nmake")
TCLNMAKECONFIG = "$(OUT_DIR)\tcl.nmake"
!endif
!endif # TCLINSTALL

!if $(CONFIG_CHECK)
!ifdef TCLNMAKECONFIG

!if defined(CORE_DEBUG) && $(CORE_DEBUG) != $(DEBUG)
!message WARNING: Value of DEBUG ($(DEBUG)) does not match its Tcl library configuration ($(DEBUG)).
!endif
!endif

!endif # TCLNMAKECONFIG

!endif # !$(DOING_TCL)


#----------------------------------------------------------
# Display stats being used.
#----------------------------------------------------------

!if !$(DOING_TCL)