diff options
Diffstat (limited to 'src/emacs.c')
| -rw-r--r-- | src/emacs.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/emacs.c b/src/emacs.c index 95e2f0c0d37..70a0fae4ebf 100644 --- a/src/emacs.c +++ b/src/emacs.c @@ -187,6 +187,9 @@ Lisp_Object Vprevious_system_time_locale; Lisp code. */ Lisp_Object Vemacs_copyright, Vemacs_version; +/* Alist of external libraries and files implementing them. */ +Lisp_Object Vdynamic_library_alist; + /* If non-zero, emacs should not attempt to use a window-specific code, but instead should use the virtual terminal under which it was started. */ int inhibit_window_system; @@ -2507,6 +2510,24 @@ This is nil during initialization. */); doc: /* Version numbers of this version of Emacs. */); Vemacs_version = build_string (emacs_version); + DEFVAR_LISP ("dynamic-library-alist", &Vdynamic_library_alist, + doc: /* Alist of dynamic libraries vs external files implementing them. +Each element is a list (LIBRARY FILE...), where the car is a symbol +representing a supported external library, and the rest are strings giving +alternate filenames for that library. + +Emacs tries to load the library from the files in the order they appear on +the list; if none is loaded, the running session of Emacs won't have access +to that library. + +Note that image types `pbm' and `xbm' do not need entries in this variable +because they do not depend on external libraries and are always available. + +Also note that this is not a generic facility for accessing external +libraries; only those already known by Emacs will be loaded. */); + Vdynamic_library_alist = Qnil; + Fput (intern_c_string ("dynamic-library-alist"), Qrisky_local_variable, Qt); + /* Make sure IS_DAEMON starts up as false. */ daemon_pipe[1] = 0; } |