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- ## ------------------------ -*- Autoconf -*-
- ## Emacs LISP file handling
- ## From Ulrich Drepper
- ## Almost entirely rewritten by Alexandre Oliva
- ## ------------------------
- # Copyright (C) 1996-2017 Free Software Foundation, Inc.
- #
- # This file is free software; the Free Software Foundation
- # gives unlimited permission to copy and/or distribute it,
- # with or without modifications, as long as this notice is preserved.
- # AM_PATH_LISPDIR
- # ---------------
- AC_DEFUN([AM_PATH_LISPDIR],
- [AC_PREREQ([2.60])dnl
- # If set to t, that means we are running in a shell under Emacs.
- # If you have an Emacs named "t", then use the full path.
- test x"$EMACS" = xt && EMACS=
- AC_CHECK_PROGS([EMACS], [emacs xemacs], [no])
- AC_ARG_VAR([EMACS], [the Emacs editor command])
- AC_ARG_VAR([EMACSLOADPATH], [the Emacs library search path])
- AC_ARG_WITH([lispdir],
- [AS_HELP_STRING([--with-lispdir],
- [override the default lisp directory])],
- [ lispdir="$withval"
- AC_MSG_CHECKING([where .elc files should go])
- AC_MSG_RESULT([$lispdir])],
- [
- AC_CACHE_CHECK([where .elc files should go], [am_cv_lispdir], [
- if test $EMACS != "no"; then
- if test x${lispdir+set} != xset; then
- # If $EMACS isn't GNU Emacs or XEmacs, this can blow up pretty badly
- # Some emacsen will start up in interactive mode, requiring C-x C-c to exit,
- # which is non-obvious for non-emacs users.
- # Redirecting /dev/null should help a bit; pity we can't detect "broken"
- # emacsen earlier and avoid running this altogether.
- AC_RUN_LOG([$EMACS -batch -Q -eval '(while load-path (princ (concat (car load-path) "\n")) (setq load-path (cdr load-path)))' </dev/null >conftest.out])
- am_cv_lispdir=`sed -n \
- -e 's,/$,,' \
- -e '/.*\/lib\/x*emacs\/site-lisp$/{s,.*/lib/\(x*emacs/site-lisp\)$,${libdir}/\1,;p;q;}' \
- -e '/.*\/share\/x*emacs\/site-lisp$/{s,.*/share/\(x*emacs/site-lisp\),${datarootdir}/\1,;p;q;}' \
- conftest.out`
- rm conftest.out
- fi
- fi
- test -z "$am_cv_lispdir" && am_cv_lispdir='${datadir}/emacs/site-lisp'
- ])
- lispdir="$am_cv_lispdir"
- ])
- AC_SUBST([lispdir])
- ])# AM_PATH_LISPDIR
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