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1 Copyright (C) 2002-2015 Free Software Foundation, Inc.
2 See the end of the file for license conditions.
3
4
5 Building and Installing Emacs from the Repository
6
7 Simply run 'make'. This should work if your files are freshly checked
8 out from the repository, and if you have the proper tools installed.
9 If it doesn't work, or if you have special build requirements, the
10 following information may be helpful.
11
12 Building Emacs from the source-code repository requires some tools
13 that are not needed when building from a release. You will need:
14
15 autoconf - at least the version specified near the start of
16 configure.ac (in the AC_PREREQ command).
17 automake - at least the version specified near the start of
18 configure.ac (in the AM_INIT_AUTOMAKE command).
19 git - at least Git 1.7.1. If your repository was created by an older
20 Git version, you may need to reclone it.
21 makeinfo - not strictly necessary, but highly recommended, so that
22 you can build the manuals.
23
24 To use the autotools, run the following shell command to generate the
25 'configure' script and some related files:
26
27 $ ./autogen.sh
28
29 You can then configure your build as follows:
30
31 $ ./configure
32
33 The 'configure' script has many options; run './configure --help' to
34 see them. For example, if you want later builds to go faster, albeit
35 sometimes doing the wrong thing if you update the build procedure, you
36 can invoke './configure -C'. After configuring, build Emacs as follows:
37
38 $ make
39
40 If you want to install Emacs, type 'make install' instead of 'make' in
41 the last command.
42
43 Occasionally the file 'lisp/loaddefs.el' (and similar automatically
44 generated files, such as 'esh-groups.el', and '*-loaddefs.el' in some
45 subdirectories of 'lisp/', e.g., 'mh-e/' and 'calendar/') will need to be
46 updated to reflect new autoloaded functions. If you see errors (rather
47 than warnings) about undefined lisp functions during compilation, that
48 may be the reason. Finally, sometimes there can be build failures
49 related to '*loaddefs.el' (e.g., "required feature `esh-groups' was not
50 provided"). In that case, follow the instructions below.
51
52 To update loaddefs.el (and similar files), do:
53
54 $ cd lisp
55 $ make autoloads
56
57 If either of the above partial procedures fails, try 'make bootstrap'.
58 If CPU time is not an issue, 'make bootstrap' is the most thorough way
59 to rebuild, and avoid any spurious problems.
60
61 Because the repository version of Emacs is a work in progress, it will
62 sometimes fail to build. Please wait a day or so (and check the
63 archives of the emacs-buildstatus, emacs-devel, and bug-gnu-emacs
64 mailing lists) before reporting such problems. In most cases, the
65 problem is known about and is just waiting for someone to fix it.
66 This is especially true for Lisp compilation errors, which are almost
67 never platform-specific.
68
69
70 \f
71 Copyright (C) 2002-2015 Free Software Foundation, Inc.
72
73 This file is part of GNU Emacs.
74
75 GNU Emacs is free software: you can redistribute it and/or modify
76 it under the terms of the GNU General Public License as published by
77 the Free Software Foundation, either version 3 of the License, or
78 (at your option) any later version.
79
80 GNU Emacs is distributed in the hope that it will be useful,
81 but WITHOUT ANY WARRANTY; without even the implied warranty of
82 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
83 GNU General Public License for more details.
84
85 You should have received a copy of the GNU General Public License
86 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.