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# -*- mode: Makefile; tab-width: 4; -*-
# ex: ts=4
#
# $FreeBSD$
#

.if !defined(_POSTMKINCLUDED) && !defined(Tcl_Pre_Include)

Tcl_Pre_Include=        bsd.tcl.mk
Tcl_Include_MAINTAINER= vsevolod@FreeBSD.org

# USE_TCL:      Depend on tcl to run. In case of incompatible APIs of different 
#               TCL versions the version can be specified directly. If version
#               is not specified (USE_TCL=yes) then the latest version is
#               used (8.4 currently).
#               Available values are: 84, 83, 82, 81 and 80.
#
# USE_TK:       Depend on tk to run. In case of incompatible APIs of different
#               TK versions the version can be specified directly. If version
#               is not specified (USE_TK=yes) then the latest version is
#               used (8.4 currently).
#               Available values are: 84, 83, 82, 81 and 80.
##
# TCL_LIBDIR:       Path where tcl libraries can be found
#
# TCL_INCLUDEDIR:   Path where tcl C headers can be found
##
# TK_LIBDIR:        Path where tk libraries can be found
#
# TK_INCLUDEDIR:    Path where tk C headers can be found
##
# TCLSH:        Path to tclsh executable respecting tcl version
#
# WISH:         Path to wish executable respecting tk version
##
# PATCH_TCL_SCRIPTS:    List of tcl scripts that need to be patched to replace tclsh
#               calls to tclsh${TK_VER} calls. Note that this implies USE_REINPLACE
#               as REINPLACE_CMD is used for patching. Also note that post-patch
#               target is used.
#
# PATCH_TK_SCRIPTS:     List of tcl scripts that need to be patched to replace wish
#               calls to wish${TK_VER} calls. Note that this implies USE_REINPLACE
#               as REINPLACE_CMD is used for patching. Also note that post-patch
#               target is used.

.if defined(USE_TCL) || defined(USE_TCL_BUILD)

_TCL_VERSIONS=  84 83 82 81 80

.if defined(USE_TCL_BUILD)
USE_TCL=    ${USE_TCL_BUILD}
_BUILD=     yes
.endif

.if ${USE_TCL} == "yes"
USE_TCL=    84
.endif

TCL_VER:=   ${USE_TCL:S/8/8./}

# Special case
.if ${USE_TCL} == "81"
USE_TCL=    tcl81-thread
.endif

_FOUND=     no
.for ver in ${_TCL_VERSIONS}
. if ${USE_TCL} == ${ver}
_FOUND=     yes
.  if defined(_BUILD)
BUILD_DEPENDS+= tclsh${TCL_VER}:${PORTSDIR}/lang/tcl${USE_TCL}
.  else
RUN_DEPENDS+=   tclsh${TCL_VER}:${PORTSDIR}/lang/tcl${USE_TCL}
.  endif
TCL_INCLUDEDIR= ${LOCALBASE}/include/tcl${TCL_VER}
TCL_LIBDIR=     ${LOCALBASE}/lib/tcl${TCL_VER}
TCLSH=          ${LOCALBASE}/bin/tclsh${TCL_VER}
. endif
.endfor

.if ${_FOUND} == "no"
IGNORE=     Unknown TCL version specified: ${USE_TCL}
.endif
.endif # defined(USE_TCL)

.if defined(USE_TK)

_TK_VERSIONS=   84 83 82 81 80

.if ${USE_TK} == "yes"
USE_TK=     84
.endif

TK_VER:=    ${USE_TK:S/8/8./}

.if defined(USE_TCL) && ${TCL_VER} != ${TK_VER}
IGNORE=     TCL and TK versions must be equal (${TCL_VER} vs ${TK_VER})
.endif

_FOUND=     no
.for ver in ${_TK_VERSIONS}
. if ${USE_TK} == ${ver}
_FOUND=     yes
RUN_DEPENDS+=   wish${TK_VER}:${PORTSDIR}/x11-toolkits/tk${USE_TK}
TCL_INCLUDEDIR= ${LOCALBASE}/include/tcl${TK_VER}
TCL_LIBDIR=     ${LOCALBASE}/lib/tcl${TK_VER}
TK_INCLUDEDIR=  ${LOCALBASE}/include/tk${TK_VER}
TK_LIBDIR=      ${LOCALBASE}/lib/tk${TK_VER}
TCLSH=          ${LOCALBASE}/bin/tclsh${TK_VER}
WISH=           ${LOCALBASE}/bin/wish${TK_VER}
. endif
.endfor

.if ${_FOUND} == "no"
IGNORE=     Unknown TK version specified: ${USE_TK}
.endif
.endif # defined(USE_TK)

.if defined(PATCH_TCL_SCRIPTS) || defined (PATCH_TK_SCRIPTS)
USE_REINPLACE=  yes
.endif

.endif # !defined(_POSTMKINCLUDED) && !defined(Tcl_Pre_Include)

.if defined(_POSTMKINCLUDED) && !defined(Tcl_Post_Include)

Tcl_Post_Include=   bsd.tcl.mk

.if defined(PATCH_TCL_SCRIPTS) || defined (PATCH_TK_SCRIPTS)
.if !target(post-patch)
post-patch:
.if defined(PATCH_TCL_SCRIPTS) && defined(TCLSH)
. for tcl_script in ${PATCH_TCL_SCRIPTS}
    @${REINPLACE_CMD} -e 's,tclsh,${TCLSH},' ${WRKSRC}/${tcl_script}
. endfor
.endif
.if defined(PATCH_TK_SCRIPTS) && defined(WISH)
. for tk_script in ${PATCH_TK_SCRIPTS}
    @${REINPLACE_CMD} -e 's,wish,${WISH},' ${WRKSRC}/${tk_script}
. endfor
.endif
.endif # !target(post-patch)
.endif # defined(PATCH_TCL_SCRIPTS) || defined (PATCH_TK_SCRIPTS)

.endif # defined(_POSTMKINCLUDED) && !defined(Tcl_Post_Include)