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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= ports@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, 84-thread, 83, 82, 81 and 80.
# USE_TCL_BUILD - Build time dependency on tcl. Same semantics as USE_TCL.
#
# 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.
# USE_TK_BUILD  - Build time dependency on tk. Same semantics as USE_TK.
##
# 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 with tclsh${TK_VER} calls. Also note that
#                 post-patch target is used.
#
# PATCH_TK_SCRIPTS
#               - List of tcl scripts that need to be patched to replace
#                 wish calls with wish${TK_VER} calls. Also note that
#                 post-patch target is used.

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

_TCL_VERSIONS=  84 84-thread 83 82 81 80

.if defined(USE_TCL)
_RUN=       yes
.endif

.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./:S/-thread//}

# 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${USE_TCL}
.  endif
.  if defined(_RUN)
RUN_DEPENDS+=   tclsh${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) || defined(USE_TCL_BUILD)

.if defined(USE_TK) || defined(USE_TK_BUILD)

_TK_VERSIONS=   84 83 82 81 80

.if defined(USE_TK)
_TK_RUN=    yes
.endif

.if defined(USE_TK_BUILD)
USE_TK=     ${USE_TK_BUILD}
_TK_BUILD=  yes
.endif

.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} == ${ver}
_FOUND=     yes
.  if defined(_TK_BUILD)
BUILD_DEPENDS+= wish${TK_VER}:${PORTSDIR}/x11-toolkits/tk${USE_TK}
.endif
.  if defined(_TK_RUN)
RUN_DEPENDS+=   wish${TK_VER}:${PORTSDIR}/x11-toolkits/tk${USE_TK}
.endif
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) || defined(USE_TK_BUILD)

.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)