AX_CONFIG_FEATURE(FEATURE-NAME, FEATURE-DESCRIPTION, DEFINE, DEFINE-DESCRIPTION, [ACTION-IF-ENABLED [, ACTION-IF-NOT-ENABLED]])
,
Francesco Salvestrini <salvestrini@users.sourceforge.net>
GPLWithACException
This program is free software; you can
redistribute it and/or modify it under the terms of the GNU General Public License
as published by the Free Software Foundation. As a special exception, the respective
Autoconf Macro's copyright owner gives unlimited permission to copy, distribute and modify
the configure scripts that are the output of Autoconf when processing the Macro. You
need not follow the terms of the
GNU General Public License when using or distributing such scripts
AX_CONFIG_FEATURE is a simple wrapper for AC_ARG_ENABLE, it enables
the feature FEATURE-NAME and AC_DEFINEs the passed DEFINE,
depending on the user choice. DESCRIPTION will be used for
AC_DEFINEs. ACTION-IF-ENABLED and ACTION-IF-NOT-ENABLED are the
actions that will be run. A feature is enabled by default, in order
to change this behaviour use the AX_CONFIG_FEATURE_DEFAULT_ENABLED
and AX_CONFIG_FEATURE_DEFAULT_DISABLED macros.
A simple example:
AX_CONFIG_FEATURE_DEFAULT_ENABLED
AX_CONFIG_FEATURE(feature_xxxxx, [turns on/off XXXXX support],
HAVE_XXXXX, [Define if you want XXXXX support])
...
AX_CONFIG_FEATURE_DEFAULT_DISABLED
AX_CONFIG_FEATURE(feature_yyyyy, [turns on/off YYYYY support],
HAVE_YYYYY, [Define if you want YYYYY support],
[enable_yyyyy="yes"], [enable_yyyyy="no"])
AM_CONDITIONAL(YYYYY, [test "$enable_yyyyy" = "yes"])
AX_CONFIG_FEATURE_DEFAULT_ENABLED
AX_CONFIG_FEATURE(...)
...
If you have lot of features and you want a verbose dumping of each
user selection use AX_CONFIG_FEATURE_VERBOSE. Use
AX_CONFIG_FEATURE_SILENT in order to remove a previously
AX_CONFIG_FEATURE_VERBOSE. By default features are silent.
Use AX_CONFIG_FEATURE_ENABLE or AX_CONFIG_FEATURE_DISABLE in order
to enable or disable a specific feature.
Another simple example:
AS_IF([some_test_here],[AX_CONFIG_FEATURE_ENABLE(feature_xxxxx)],[])
AX_CONFIG_FEATURE(feature_xxxxx, [turns on/off XXXXX support],
HAVE_XXXXX, [Define if you want XXXXX support])
AX_CONFIG_FEATURE(feature_yyyyy, [turns on/off YYYYY support],
HAVE_YYYYY, [Define if you want YYYYY support],
[enable_yyyyy="yes"], [enable_yyyyy="no"])
...
NOTE: AX_CONFIG_FEATURE_ENABLE() must be placed first of the
relative AX_CONFIG_FEATURE() macro ...
AC_DEFUN([AX_CONFIG_FEATURE],[ dnl
m4_pushdef([FEATURE], patsubst([$1], -, _))dnl
AC_ARG_ENABLE([$1],AC_HELP_STRING([--enable-$1],[$2]),[
case "${enableval}" in
yes)
ax_config_feature_[]FEATURE[]="yes"
;;
no)
ax_config_feature_[]FEATURE[]="no"
;;
*)
AC_MSG_ERROR([bad value ${enableval} for feature --$1])
;;
esac
])
AS_IF([test "$ax_config_feature_[]FEATURE[]" = yes],[ dnl
AC_DEFINE([$3])
$5
AS_IF([test "$ax_config_feature_verbose" = yes],[ dnl
AC_MSG_NOTICE([Feature $1 is enabled])
])
],[ dnl
$6
AS_IF([test "$ax_config_feature_verbose" = yes],[ dnl
AC_MSG_NOTICE([Feature $1 is disabled])
])
])
AH_TEMPLATE([$3],[$4])
m4_popdef([FEATURE])dnl
])
dnl Feature global
AC_DEFUN([AX_CONFIG_FEATURE_VERBOSE],[ dnl
ax_config_feature_verbose=yes
])
dnl Feature global
AC_DEFUN([AX_CONFIG_FEATURE_SILENT],[ dnl
ax_config_feature_verbose=no
])
dnl Feature specific
AC_DEFUN([AX_CONFIG_FEATURE_DEFAULT_ENABLED], [
ax_config_feature_[]FEATURE[]_default=yes
])
dnl Feature specific
AC_DEFUN([AX_CONFIG_FEATURE_DEFAULT_DISABLED], [
ax_config_feature_[]FEATURE[]_default=no
])
dnl Feature specific
AC_DEFUN([AX_CONFIG_FEATURE_ENABLE],[ dnl
ax_config_feature_[]patsubst([$1], -, _)[]=yes
])
dnl Feature specific
AC_DEFUN([AX_CONFIG_FEATURE_DISABLE],[ dnl
ax_config_feature_[]patsubst([$1], -, _)[]=yes
])