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* configure.ac: New option --disable-features.

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(OPTION_DEFAULT_ON): Change to use enable_features.
* INSTALL: Explain --disable-features.
This commit is contained in:
Dmitry Antipov 2012-08-07 08:16:47 +04:00
parent 54eea61817
commit c30d4aef54
3 changed files with 31 additions and 3 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2012-08-07 Dmitry Antipov <dmantipov@yandex.ru>
* configure.ac: New option --disable-features.
(OPTION_DEFAULT_ON): Change to use enable_features.
* INSTALL: Explain --disable-features.
2012-08-07 Glenn Morris <rgm@gnu.org>
* configure.ac: Require automake 1.11 (fairly arbitrarily).

14
INSTALL
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@ -319,6 +319,20 @@ systems which support that.
Use --without-sound to disable sound support.
Use --disable-features if you want to build small executable with
the minimal dependencies from an external libraries, at the cost
of disabling most of the features which are enabled by default.
Using --disable-features is equivalent to --without-sound --without-dbus
--without-libotf --without-selinux --without-xft --without-gsettings
--without-gnutls --without-rsvg --without-xml2 --without-gconf
--without-imagemagick --without-m17n-flt --without-jpeg --without-tiff
--without-gif --without-png --without-gpm. Note that --disable-features
leaves X support enabled, and using GTK2 or GTK3 toolkit creates a lot
of library dependencies. So if you want to build small executable with
the very basic X support, use --disable-features --with-x-toolkit=no.
For the smallest possible executable without X, use --disable-features
--without-x.
Use --with-wide-int to implement Emacs values with the type 'long long',
even on hosts where a narrower type would do. With this option, on a
typical 32-bit host, Emacs integers have 62 bits instead of 30.

14
configure.ac
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@ -48,6 +48,14 @@ archlibdir='${libexecdir}/emacs/${version}/${configuration}'
docdir='${datadir}/emacs/${version}/etc'
gamedir='${localstatedir}/games/emacs'
dnl Do not omit a lot of the nice features by default.
AC_ARG_ENABLE(features,
[AS_HELP_STRING([--disable-features],
[omit almost all features and build
small executable with minimal dependencies])],
enable_features=$enableval,
enable_features=yes)
dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
dnl Create a new --with option that defaults to being disabled.
dnl NAME is the base name of the option. The shell variable with_NAME
@ -63,8 +71,8 @@ AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
])dnl
dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
dnl Create a new --with option that defaults to being enabled. NAME
dnl is the base name of the option. The shell variable with_NAME
dnl Create a new --with option that defaults to $enable_features.
dnl NAME is the base name of the option. The shell variable with_NAME
dnl will be set either to 'no' (for a plain --without-NAME) or to
dnl 'yes' (if the option is not specified). Note that the shell
dnl variable name is constructed as autoconf does, by replacing
@ -72,7 +80,7 @@ dnl non-alphanumeric characters with "_".
dnl HELP-STRING is the help text for the option.
AC_DEFUN([OPTION_DEFAULT_ON], [dnl
AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$enable_features])dnl
])dnl
OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])