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# Provide support for ports requiring Emacs. This includes flavors with proper
# dependencies and useful variables.
#
# Feature: emacs
# Usage: USES=emacs or USES=emacs:args
# Valid ARGS: build, run, noflavors
#
# build Indicates that Emacs is required at build time.
# run Indicates that Emacs is required at run time.
# noflavors Prevents flavors. This is implied when there is no run
# dependency on Emacs.
#
# If build and run are omitted from the argument list, Emacs will be added to
# BUILD_DEPENDS and RUN_DEPENDS. EMACS_NO_DEPENDS can be set to prevent both
# dependencies.
#
# Variables, which can be set in make.conf:
# DEFAULT_VERSIONS+= The default flavor for Emacs ports (ports with
# USES=emacs, but not the Emacs ports themselves)
# can be added to DEFAULT_VERSIONS. For example,
# DEFAULT_VERSIONS+= emacs=nox
# Valid flavors: full canna nox devel_full devel_nox
# Flavors specified on the command line take
# precedence.
#
# Variables, which can be set by ports:
# EMACS_FLAVORS_EXCLUDE: Do NOT build these Emacs flavors.
# If EMACS_FLAVORS_EXCLUDE is not defined and
# - there is a run dependency on Emacs
# - the noflavors argument is not specified
# then all valid Emacs flavors are assumed.
#
# EMACS_NO_DEPENDS: Do NOT add build or run dependencies on Emacs.
# This will prevent flavors.
#
# Variables, which can be read by ports:
# EMACS_CMD: Emacs command with full path (e.g. /usr/local/bin/emacs-27.1)
# EMACS_FLAVOR: Used for dependencies (e.g. BUILD_DEPENDS= dash.el${EMACS_PKGNAMESUFFIX}>0:devel/dash@${EMACS_FLAVOR})
# EMACS_LIBDIR: Emacs Library directory without ${PREFIX} (e.g. share/emacs)
# EMACS_LIBDIR_WITH_VER: Library directory without ${PREFIX} including version (e.g. share/emacs/27.1)
# EMACS_MAJOR_VER: Emacs major version (e.g. 27)
# EMACS_PKGNAMESUFFIX: PKGNAMESUFFIX to distinguish Emacs flavors
# EMACS_SITE_LISPDIR: Emacs site-lisp directory without ${PREFIX} (e.g. share/emacs/site-lisp)
# EMACS_VER: Emacs version (e.g. 27.1)
# EMACS_VERSION_SITE_LISPDIR: Include version (e.g. share/emacs/27.1/site-lisp)
#-------------------------------------------------------------------------------
#
# MAINTAINER: emacs@FreeBSD.org
.if !defined(_INCLUDE_USES_EMACS_MK)
_INCLUDE_USES_EMACS_MK= yes
# Make sure that no dependency or some other environment variable
# pollutes the build/run dependency detection
.undef _EMACS_BUILD_DEP
.undef _EMACS_RUN_DEP
.undef _EMACS_NOFLAVORS
_EMACS_ARGS= ${emacs_ARGS:S/,/ /g}
.if ${_EMACS_ARGS:Mbuild}
_EMACS_BUILD_DEP= yes
_EMACS_ARGS:= ${_EMACS_ARGS:Nbuild}
.endif
.if ${_EMACS_ARGS:Mrun}
_EMACS_RUN_DEP= yes
_EMACS_ARGS:= ${_EMACS_ARGS:Nrun}
.endif
.if ${_EMACS_ARGS:Mnoflavors}
_EMACS_NOFLAVORS= yes
_EMACS_ARGS:= ${_EMACS_ARGS:Nnoflavors}
.endif
# If the port does not specify a build or run dependency, and does not define
# EMACS_NO_DEPENDS, assume both dependencies are required.
.if !defined(_EMACS_BUILD_DEP) && !defined(_EMACS_RUN_DEP) && \
!defined(EMACS_NO_DEPENDS)
_EMACS_BUILD_DEP= yes
_EMACS_RUN_DEP= yes
.endif
# Only set FLAVORS when...
.if defined(_EMACS_RUN_DEP) && !defined(_EMACS_NOFLAVORS)
FLAVORS= full canna nox devel_full devel_nox
.for flavor in ${EMACS_FLAVORS_EXCLUDE}
FLAVORS:= ${FLAVORS:N${flavor}}
.endfor
.endif
# Only set FLAVOR when...
.if defined(_EMACS_RUN_DEP) && !defined(_EMACS_NOFLAVORS) && empty(FLAVOR)
.if defined(EMACS_DEFAULT)
FLAVOR= ${EMACS_DEFAULT}
.else
FLAVOR= ${FLAVORS:[1]}
.endif # defined(EMACS_DEFAULT)
.endif # !defined(_EMACS_NOFLAVORS) && defined(_EMACS_RUN_DEP) && empty(FLAVOR)
.if !empty(FLAVOR)
EMACS_FLAVOR= ${FLAVOR}
.else
EMACS_FLAVOR= full
.endif
.if ${FLAVOR:Mdevel*}
EMACS_VER= 28.0.50
EMACS_PORTDIR= editors/emacs-devel
.else
EMACS_VER= 27.2
EMACS_PORTDIR= editors/emacs
.endif
EMACS_MAJOR_VER= ${EMACS_VER:C/\..*//}
EMACS_LIBDIR= share/emacs
EMACS_LIBDIR_WITH_VER= share/emacs/${EMACS_VER}
EMACS_PORT_NAME= emacs${EMACS_MAJOR_VER}
.if ${FLAVOR:M*nox}
EMACS_PKGNAMESUFFIX= -${EMACS_PORT_NAME}_nox
.elif ${FLAVOR:Mcanna}
EMACS_PKGNAMESUFFIX= -${EMACS_PORT_NAME}_canna
.else
EMACS_PKGNAMESUFFIX= -${EMACS_PORT_NAME}
.endif
EMACS_CMD= ${PREFIX}/bin/emacs-${EMACS_VER}
EMACS_SITE_LISPDIR= ${EMACS_LIBDIR}/site-lisp
EMACS_VERSION_SITE_LISPDIR= ${EMACS_LIBDIR_WITH_VER}/site-lisp
.if defined(_EMACS_BUILD_DEP)
BUILD_DEPENDS+= ${EMACS_CMD}:${EMACS_PORTDIR}@${EMACS_FLAVOR:C/devel_//}
.endif
.if defined(_EMACS_RUN_DEP)
RUN_DEPENDS+= ${EMACS_CMD}:${EMACS_PORTDIR}@${EMACS_FLAVOR:C/devel_//}
.endif
MAKE_ARGS+= EMACS=${EMACS_CMD}
SCRIPTS_ENV+= EMACS_LIBDIR=${EMACS_LIBDIR} \
EMACS_VER=${EMACS_VER} \
EMACS_LIBDIR_WITH_VER=${EMACS_LIBDIR_WITH_VER} \
EMACS_SITE_LISPDIR=${EMACS_SITE_LISPDIR} \
EMACS_VERSION_SITE_LISPDIR=${EMACS_VERSION_SITE_LISPDIR}
PLIST_SUB+= EMACS_LIBDIR=${EMACS_LIBDIR} \
EMACS_VER=${EMACS_VER} \
EMACS_LIBDIR_WITH_VER=${EMACS_LIBDIR_WITH_VER} \
EMACS_SITE_LISPDIR=${EMACS_SITE_LISPDIR} \
EMACS_VERSION_SITE_LISPDIR=${EMACS_VERSION_SITE_LISPDIR}
.endif # _INCLUDE_USES_EMACS_MK
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