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# $NetBSD: Makefile.common,v 1.42 2017/09/29 12:40:27 wiz Exp $
#
# used by editors/emacs/Makefile
# used by editors/emacs-nox11/Makefile
CATEGORIES= editors
MASTER_SITES= # empty
DISTFILES= # empty
MAINTAINER= dholland@NetBSD.org
COMMENT= Meta-package for installing the preferred Emacs version
META_PACKAGE= yes
.include "../../mk/bsd.prefs.mk"
#
# 1. Depend on the right emacs using ${EMACS_TYPE}. We don't have to
# (and in fact shouldn't) depend on the exact version, just *a*
# version. Do *not* include modules.mk as that will get us a tighter
# pattern than we want, as well as other problematic effects.
#
# XXX: it would be better to split modules.mk and share the logic
# that can be shared.
#
MY_EMACS_TYPE?=${EMACS_TYPE}
EMACS_BASE_TYPE=${MY_EMACS_TYPE:S/nox//}
EMACS_MAJOR=${EMACS_BASE_TYPE:S/emacs//}
# Sigh.
.if ${MY_EMACS_TYPE} == "emacs20nox"
MY_EMACS_TYPE:= emacs20
.endif
.if !empty(MY_EMACS_TYPE:Mxemacs*)
PKG_FAIL_REASON+= "EMACS_TYPE is xemacs."
# (Set these to avoid crashing out below.)
EMACS_PKGDIR= ../../editors/xemacs
EMACS_PACKAGE= xemacs
.elif ${MY_EMACS_TYPE} == "emacs26"
EMACS_PKGDIR= ../../editors/emacs-snapshot
EMACS_PACKAGE= ${EMACS_BASE_TYPE}
.elif !empty(MY_EMACS_TYPE:M*nox)
EMACS_PKGDIR= ../../editors/${EMACS_BASE_TYPE}-nox11
EMACS_PACKAGE= ${EMACS_BASE_TYPE}-nox11
.else
EMACS_PKGDIR= ../../editors/${EMACS_BASE_TYPE}
EMACS_PACKAGE= ${EMACS_BASE_TYPE}
.endif
DEPENDS+= ${EMACS_PACKAGE}>=${EMACS_MAJOR}:${EMACS_PKGDIR}
#
# 2. Now it gets gross. Before this meta-package was introduced, the
# emacs packages all had PKGNAME set to "emacs". Now the meta-package
# is called "emacs" and the emacs packages themselves have the emacs
# major version in them. But in order to make updates work properly,
# the version of the package called "emacs" cannot go down. We need to
# set MY_EMACS_VERSION accordingly. The following were the versions at
# the time the renaming was done:
# emacs20 20.7nb16
# emacs21 21.4anb26
# emacs21-nox11 21.4anb13
# emacs25+ n/a
#
# Set VER to the version from the above table, and REV to the
# PKGREVISION value.
#
.if ${MY_EMACS_TYPE} == "emacs20"
VER= 20.7
REV= 16
.elif ${MY_EMACS_TYPE} == "emacs21"
VER= 21.4
REV= 26
.elif ${MY_EMACS_TYPE} == "emacs21nox"
VER= 21.4
REV= 13
.else
VER= ${_EMACS_VERSION_MAJOR}
REV= 0
.endif
#
# Get the actual version from version.mk.
#
.include "${EMACS_PKGDIR}/version.mk"
MY_EMACS_VERSION= ${_EMACS_VERSION_MAJOR}.${_EMACS_VERSION_MINOR}
.if defined(_EMACS_VERSION_MICRO)
MY_EMACS_VERSION:= ${MY_EMACS_VERSION}.${_EMACS_VERSION_MICRO}
.endif
#
# Compute PKGREVISION.
#
# If we are on the same version as VER, we need PKGREVISION to be at
# least REV + 1. Otherwise, it can start at 0.
#
# Use MYPKGREVISION (defined at the top of this file) to bump the
# version if that should become necessary.
#
.if ${MY_EMACS_VERSION} != ${VER}
PKGREVISION= ${MYPKGREVISION}
.else
PKGREVISION!=expr 1 + ${REV} + ${MYPKGREVISION}
.endif
# This doesn't work; fortunately it appears to be unnecessary.
#
#.if ${PKGREVISION} == "0"
#.unset PKGREVISION
#.endif
.include "../../mk/bsd.pkg.mk"
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