diff options
Diffstat (limited to 'Drivers.macros')
| -rw-r--r-- | Drivers.macros | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/Drivers.macros b/Drivers.macros new file mode 100644 index 0000000..95bab83 --- /dev/null +++ b/Drivers.macros @@ -0,0 +1,44 @@ +dnl +dnl Some autoconf macros useful for device driver configuration +dnl + +AC_SUBST(device_drivers) + +dnl AC_DRIVER_ALIAS(alias, canonical) makes --enable-alias have the +dnl same effect as --enable-canonical. + +AC_DEFUN(AC_DRIVER_ALIAS, [ +[#] Checking for alias [$1] +AC_ARG_ENABLE([$1],, +enable_[$2]="$enable_[$1]" +)]) + +dnl AC_DRIVER_CLASS(name,option,files) defines a class of drivers. If +dnl any driver declared by AC_DRIVER to be in that class is selected +dnl by the user, then set the specified option with AC_DEFINE and add +dnl the specified files to the output variable `device_drivers'. This +dnl macro must precede the use of any corresponding AC_DRIVER macros. + +AC_DEFUN(AC_DRIVER_CLASS, [ +driver_class_[$1]_option=[$2] +driver_class_[$1]_files="[$3]" +]) + +dnl AC_DRIVER(name,option,files [,class]) detects option --enable-name. If +dnl it's set, then `option' is defined with AC_DEFINE, and files is +dnl added to the output variable `device_drivers'. The driver is of class +dnl `class'; see the comments on AC_DRIVER_CLASS for more information. + +AC_DEFUN(AC_DRIVER, [ +[#] Checking for device driver option [$1] +AC_ARG_ENABLE([$1],, +AC_DEFINE([$2]) +device_drivers="$device_drivers [$3]" +if test "driver_class_[$4]_selected+set" != set; then + driver_class_[$4]_selected=yes + AC_DEFINE_UNQUOTED($driver_class_[$4]_option) + device_drivers="$device_drivers $driver_class_[$4]_files" +fi +)]) + + |