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# $NetBSD: emacs.mk,v 1.5 2002/10/19 06:48:03 minoura Exp $
#
# A Makefile fragment for Emacs Lisp packages.
#
# * Determine the version of Emacs/XEmacs to be used.
#
# * Emacs Lisp files are installed...
# GNU emacs
# -> ${PREFIX}/share/emacs/site-lisp/foo/...
# XEmacs
# ->${PREFIX}/lib/xemacs/site-packages/lisp/foo/...
#
# * XEmacs package's names are prefix'ed by "xemacs-", since Emacs
# {20,21} conflict, and XEmacs conflict.
#
# * Assume each package supports GNU Emacs {20,21} by default. If the
# package supports XEmacsen too, define EMACS_VERSIONS_ACCEPTED
# explicitly before including mk/emacs.mk. Note that the order is
# important.
#
.if !defined(EMACS_MK)
EMACS_MK= # defined
.include "../../mk/bsd.prefs.mk"
# Assume only GNU emacsen are supported by default.
#
EMACS_VERSION_DEFAULT?= emacs21
.if !defined(USE_XEMACS)
EMACS_VERSIONS_ACCEPTED?= emacs21 emacs20
#EMACS_VERSIONS_ACCEPTED?= emacs21 xemacs211 emacs20 xemacs215
.else
EMACS_VERSIONS_ACCEPTED?= xemacs211 xemacs215
.endif
# Actually BUILDLINK_ means little here...
#
BUILDLINK_DEPENDS.emacs20?= emacs>=20.7
BUILDLINK_DEPENDS.emacs21?= emacs>=21.2
BUILDLINK_DEPENDS.xemacs211?= xemacs>=21.1
BUILDLINK_DEPENDS.xemacs215?= xemacs>=21.5
BUILDLINK_DEPENDS.leim20?= leim>=20.7
BUILDLINK_DEPENDS.leim21?= leim>=21.2
.for v in ${EMACS_VERSION_ACCEPTED}
_EMACS_VERSION_${v}_OK= yes
.endfor
# Look for Emacs 21/Emacs 20
#
_TMP!= ${PKG_TOOLS_BIN}/pkg_info -e emacs || ${ECHO}
.if ${_TMP} != ""
_EMACS_VERSION_EMACS_FULL:= ${_TMP}
_EMACS_VERSION_EMACS= ${_EMACS_VERSION_EMACS_FULL:C/^.*-//}
_EMACS_VERSION_EMACS_MAJOR= ${_EMACS_VERSION_EMACS:C/\..*//}
.if ${_EMACS_VERSION_EMACS_MAJOR} == "21"
_EMACS_VERSION_emacs21_INSTALLED= yes
.elif ${_EMACS_VERSION_EMACS_MAJOR} == "20"
_EMACS_VERSION_emacs20_INSTALLED= yes
.endif
.endif
# Look for XEmacs 21.5/XEmacs 21.1
#
_TMP!= ${PKG_TOOLS_BIN}/pkg_info -e xemacs || ${ECHO}
.if ${_TMP} != ""
_EMACS_VERSION_XEMACS_FULL:= ${_TMP:C/^.*-//}
_EMACS_VERSION_XEMACS= ${_EMACS_VERSION_XEMACS_FULL:C/^.*-//}
_EMACS_VERSION_XEMACS_MAJOR= ${_EMACS_VERSION_XEMACS:C/\..*//}
_EMACS_VERSION_XEMACS_MINOR= ${_EMACS_VERSION_XEMACS:C/^[0-9]*\.//:C/[^0-9].*//}
.if ${_EMACS_VERSION_XEMACS_MAJOR} == "21" && \
${_EMACS_VERSION_XEMACS_MINOR} == "5"
_EMACS_VERSION_xemacs215_INSTALLED= yes
.elif ${_EMACS_VERSION_XEMACS_MAJOR} == "21" && \
${_EMACS_VERSION_XEMACS_MINOR} == "1"
_EMACS_VERSION_xemacs211_INSTALLED= yes
.endif
.endif
# Determine the Emacs version to be used.
#
.if defined(EMACS_VERSION_REQD)
_EMACS_VERSION= ${EMACS_VERSION_REQD}
.endif
.if !defined(_EMACS_VERSION)
.if defined(_EMACS_VERSION_${EMACS_VERSION_DEFAULT}_OK)
.if defined(_EMACS_VERSION_${EMACS_VERSION_DEFAULT}_INSTALLED)
_EMACS_VERSION= ${EMACS_VERSION_DEFAULT}
.endif
.endif
.endif
.if !defined(_EMACS_VERSION)
.for v in ${EMACS_VERSIONS_ACCEPTED}
.if defined(_EMACS_VERSION_${v}_INSTALLED)
_EMACS_VERSION?= ${v}
.else
_EMACS_VERSION_FIRSTACCEPTED?= ${v}
.endif
.endfor
.endif
.if !defined(_EMACS_VERSION)
.if defined(_EMACS_VERSION_${EMACS_VERSION_DEFAULT}_OK)
_EMACS_VERSION= ${EMACS_VERSION_DEFAULT}
.endif
.endif
.if !defined(_EMACS_VERSION)
_EMACS_VERSION= ${EMACS_VERSION_FIRSTACCEPTED}
.endif
# Set version specifics.
#
FOR.emacs21= "@comment "
FOR.emacs20= "@comment "
FOR.xemacs215= "@comment "
FOR.xemacs211= "@comment "
.if ${_EMACS_VERSION} == "emacs21"
EMACS_DEPENDENCY= ${BUILDLINK_DEPENDS.emacs21}:../../editors/emacs21
FOR.emacs21= ""
.if defined(EMACS_USE_LEIM)
DEPENDS+= ${BUILDLINK_DEPENDS.leim21}:../../editors/leim21
.endif
.elif ${_EMACS_VERSION} == "emacs20"
EMACS_DEPENDENCY= ${BUILDLINK_DEPENDS.emacs20}:../../editors/emacs
FOR.emacs20= ""
.if defined(EMACS_USE_LEIM)
DEPENDS+= ${BUILDLINK_DEPENDS.leim20}:../../editors/leim20
.endif
.elif ${_EMACS_VERSION} == "xemacs215"
EMACS_DEPENDENCY= ${BUILDLINK_DEPENDS.xemacs215}:../../editors/xemacs-current
FOR.xemacs215= ""
.elif ${_EMACS_VERSION} == "xemacs211"
EMACS_DEPENDENCY= ${BUILDLINK_DEPENDS.xemacs211}:../../editors/xemacs
FOR.xemacs211= ""
.else
IGNORE+= "Accepted versions are: ${EMACS_VERSIONS_ACCEPTED}"
IGNORE+= "No valid Emacs version installed found"
.endif
.if defined(EMACS_FOR_BUILD_ONLY)
BUILD_DEPENDS+= ${EMACS_DEPENDENCY}
.else
DEPENDS+= ${EMACS_DEPENDENCY}
.endif
# Provide some macro definitions.
#
EMACS_FLAVOR= ${_EMACS_VERSION:C|[0-9]*$||}
.if ${EMACS_FLAVOR} == "emacs"
EMACS_BIN= ${PREFIX}/bin/emacs
EMACS_PKG_VERSION= ${_EMACS_VERSION_EMACS_FULL:C|^.*-||}
EMACS_LISPPREFIX= ${PREFIX}/share/emacs/site-lisp
PKGNAME_PREFIX=
.else
EMACS_BIN= ${PREFIX}/bin/xemacs
EMACS_PKG_VERSION= ${_EMACS_VERSION_XEMACS_FULL:C|^.*-||}
EMACS_LISPPREFIX= ${PREFIX}/lib/xemacs/site-packages/lisp
PKGNAME_PREFIX= xemacs-
PKGNAME= ${PKGNAME_PREFIX}${DISTNAME}
.endif
# strip out nb?
EMACS_VERSION=${EMACS_PKG_VERSION:C|nb[0-9]*$||}
PLIST_SUBST+= EMACS_VERSION=${EMACS_VERSION}
PLIST_SUBST+= EMACS_LISPPREFIX=${EMACS_LISPPREFIX:C|^${PREFIX}/||}
PLIST_SUBST+= FOR_emacs21=${FOR.emacs21}
PLIST_SUBST+= FOR_emacs20=${FOR.emacs20}
PLIST_SUBST+= FOR_xemacs215=${FOR.xemacs215}
PLIST_SUBST+= FOR_xemacs211=${FOR.xemacs211}
_REPLACE_EMACS_SED= -e "1s;^\#!.*emacs;\#!${EMACS_BIN};"
.if defined(REPLACE_EMACS)
emacs-patch-scripts:
.for s in ${REPLACE_EMACS}
${CP} ${WRKSRC}/$s ${WRKSRC}/${s}.tmp
${CHMOD} +w ${WRKSRC}/$s
${SED} ${_REPLACE_EMACS_SED} <${WRKSRC}/${s}.tmp >${WRKSRC}/$s
.endfor
post-patch: emacs-patch-scripts
.endif
.endif # EMACS_MK
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