# $FreeBSD$
#
# vim: ts=8 noexpandtab
#
# Provide support to use Tcl/Tk
#
# MAINTAINER: tcltk@FreeBSD.org
#
#
# Variables set by this file:
#
# TCL_VER - Major.Minor version of Tcl
#
# TCLSH - Set to full path of the Tcl interpreter
#
# TCL_LIBDIR - Path where the Tcl libraries can be found
#
# TCL_INCLUDEDIR - Path where the Tcl C headers can be found
#
#
# TK_VER - Major.Minor version of Tk
#
# WISH - Set to full path of the Tk interpreter
#
# TK_LIBDIR - Path where the Tk libraries can be found
#
# TK_INCLUDEDIR - Path where the Tk C headers can be found
#
#
#
# Usage:
#
# USES+= PORT[:(VERSION|wrapper),build,run]
#
# where PORT is one of:
#
# - tcl - Depend on Tcl
# - tk - Depend on both Tk and Tcl (Tk itself depends on Tcl)
#
# and VERSION is in one of the following formats:
#
# - (empty) - Depend on any installed version of PORT. If none
# is installed, bring in the default version. See
# ${_TCLTK_DEFAULT_VERSION} below.
#
# - 84, 85, 86 - Depend on a specific version series of PORT. Multiple
# values are OK. The highest version available is
# picked.
#
# - 84+, 85+, 86+ - Depend on any installed version greater or equal to
# the specified version.
#
# If wrapper is specified, an additional dependency on tcl-wrapper or
# tk-wrapper is added. It is NOT possible to select a specific version of
# Tcl/Tk when using the wrapper.
#
# Build-time / Run-time only dependencies can be specified with build or run.
#
.if !defined(_INCLUDE_USES_TCL_MK)
_INCLUDE_USES_TCL_MK= yes
#
# List the currently available versions.
#
_TCLTK_VALID_VERSIONS= 84 85 86
#
# Bring in the default and check that the specified version is in the list of
# valid versions.
#
.include "${PORTSDIR}/Mk/bsd.default-versions.mk"
_TCLTK_DEFAULT_VERSION= ${TCLTK_DEFAULT:S/.//}
.if ! ${_TCLTK_VALID_VERSIONS:M${_TCLTK_DEFAULT_VERSION}}
IGNORE= Invalid tcltk version ${TCLTK_DEFAULT}
.endif
#
# _TCLTK_PORT tells us whether we're depending on Tcl or Tk. When using
# USES+=tk, the included file tk.mk sets this before including this file.
#
_TCLTK_PORT?= tcl
#
# Build a make(1)-friendly list of arguments (i.e., space separated).
#
_TCL_ARGS= ${tcl_ARGS:S/,/ /g}
#
# Parse a ver+ argument.
#
.if ${_TCL_ARGS:M*+}
_TCLTK_MIN_VERSION:= ${_TCL_ARGS:M*+:S/+//}
_TCLTK_WANTED_VERSIONS:=${_TCLTK_DEFAULT_VERSION}
.endif
#
# Parse one or more ver arguments.
#
.if ${_TCL_ARGS:M8[4-6]}
_TCLTK_WANTED_VERSIONS:=${_TCL_ARGS:M8[4-6]}
.endif
#
# It makes little sense to specify both the wrapper and a specific version.
#
.if ${_TCL_ARGS:Mwrapper} && defined(_TCLTK_WANTED_VERSIONS)
IGNORE= USES=${_TCLTK_PORT}: it is not possible to specify both a version and the wrapper: ${tcl_ARGS}
.endif
#
# If no version was specified with any of the ver or ver+ arguments, set the
# default version.
#
.if !defined(_TCLTK_WANTED_VERSIONS)
_TCLTK_WANTED_VERSIONS= ${_TCLTK_DEFAULT_VERSION}
.endif
#
# Resolve minimum versions (ver+). Append anything greater or equal than the
# specified minimum version to the list of wanted versions.
#
.if defined(_TCLTK_MIN_VERSION)
. for _v in ${_TCLTK_VALID_VERSIONS}
. if ${_TCLTK_MIN_VERSION} <= ${_v}
_TCLTK_WANTED_VERSIONS+=${_v}
. endif
. endfor
.endif
#
# Right now we have built a list of potential versions that we may depend on.
# Let's sort them and remove any duplicates. We then locate the highest one
# already installed, if any.
#
.for _v in ${_TCLTK_WANTED_VERSIONS:O:u}
_TCLTK_HIGHEST_VERSION:=${_v}
. if exists(${LOCALBASE}/lib/lib${_TCLTK_PORT}${_v}.so)
_TCLTK_WANTED_VERSION:= ${_v}
. endif
.endfor
#
# If we couldn't find any wanted version installed, depend on the highest one.
.if !defined(_TCLTK_WANTED_VERSION)
_TCLTK_WANTED_VERSION:= ${_TCLTK_HIGHEST_VERSION}
.endif
#
# Exported variables
#
TCL_VER:= ${_TCLTK_WANTED_VERSION:S/8/8./}
TCL_SHLIB_VER:= ${_TCLTK_WANTED_VERSION}
TCLSH:= ${LOCALBASE}/bin/tclsh${TCL_VER}
TCL_LIBDIR:= ${LOCALBASE}/lib/tcl${TCL_VER}
TCL_INCLUDEDIR:=${LOCALBASE}/include/tcl${TCL_VER}
.if ${_TCLTK_PORT} == "tk"
TK_VER:= ${_TCLTK_WANTED_VERSION:S/8/8./}
TK_SHLIB_VER:= ${_TCLTK_WANTED_VERSION}
WISH:= ${LOCALBASE}/bin/wish${TCL_VER}
TK_LIBDIR:= ${LOCALBASE}/lib/tk${TK_VER}
TK_INCLUDEDIR:= ${LOCALBASE}/include/tk${TK_VER}
.endif
#
# Dependencies
#
_TCLTK_BUILD_DEPENDS=
_TCLTK_RUN_DEPENDS=
_TCLTK_LIB_DEPENDS=
# Construct the correct dependency lines (wrapper)
.if ${_TCL_ARGS:Mwrapper}
. if ${_TCLTK_PORT} == "tcl"
_TCLTK_WRAPPER_PORT= tclsh:${PORTSDIR}/lang/tcl-wrapper
. elif ${_TCLTK_PORT} == "tk"
_TCLTK_WRAPPER_PORT= wish:${PORTSDIR}/x11-toolkits/tk-wrapper
. endif
.endif
# Construct the correct dependency lines (Tcl/Tk)
. if ${_TCLTK_PORT} == "tcl"
_TCLTK_EXE_LINE= tclsh${TCL_VER}:${PORTSDIR}/lang/tcl${_TCLTK_WANTED_VERSION}
_TCLTK_LIB_LINE= libtcl${TCL_SHLIB_VER}.so:${PORTSDIR}/lang/tcl${_TCLTK_WANTED_VERSION}
. elif ${_TCLTK_PORT} == "tk"
_TCLTK_EXE_LINE= wish${TK_VER}:${PORTSDIR}/x11-toolkits/tk${_TCLTK_WANTED_VERSION}
_TCLTK_LIB_LINE= libtk${TK_SHLIB_VER}.so:${PORTSDIR}/x11-toolkits/tk${_TCLTK_WANTED_VERSION}
.endif
.if ${_TCL_ARGS:Mbuild}
BUILD_DEPENDS+= ${_TCLTK_WRAPPER_PORT} \
${_TCLTK_EXE_LINE}
.elif ${_TCL_ARGS:Mrun}
RUN_DEPENDS+= ${_TCLTK_WRAPPER_PORT} \
${_TCLTK_EXE_LINE}
.else
RUN_DEPENDS+= ${_TCLTK_WRAPPER_PORT}
LIB_DEPENDS+= ${_TCLTK_LIB_LINE}
.endif
.endif # defined(_INCLUDE_USES_TCL_MK)
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