This macro helps to create unified output of "configure --help". Signed-off-by: Pavel Hrdina <phrdina@xxxxxxxxxx> --- m4/virt-lib.m4 | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/m4/virt-lib.m4 b/m4/virt-lib.m4 index f498af0fc7..87c23d4552 100644 --- a/m4/virt-lib.m4 +++ b/m4/virt-lib.m4 @@ -481,3 +481,41 @@ AC_DEFUN([LIBVIRT_ARG_WITH_ALT], [ m4_popdef([help_desc]) m4_popdef([check_name]) ]) + +dnl +dnl To be used instead of AC_ARG_ENABLE +dnl +dnl LIBVIRT_ARG_ENABLE([CHECK_NAME], [HELP_DESC], [DEFAULT_ACTION]) +dnl +dnl CHECK_NAME: Suffix/prefix used for variables/flags, in uppercase. +dnl HELP_DESC: Description that will be appear in configure --help +dnl DEFAULT_ACTION: Default configure action +dnl +dnl LIBVIRT_ARG_ENABLE([DEBUG], [enable debugging output], [yes]) +dnl +AC_DEFUN([LIBVIRT_ARG_ENABLE], [ + m4_pushdef([check_name], [$1]) + m4_pushdef([help_desc], [[$2]]) + m4_pushdef([default_action], [$3]) + + m4_pushdef([check_name_lc], m4_tolower(check_name)) + m4_pushdef([check_name_dash], m4_translit(check_name_lc, [_], [-])) + + m4_pushdef([arg_var], [enable-]check_name_dash) + m4_pushdef([enable_var], [enable_]check_name_lc) + + m4_divert_text([DEFAULTS], [enable_var][[=]][default_action]) + AC_ARG_ENABLE([check_name_dash], + [AS_HELP_STRING([[--]arg_var], + ]m4_dquote(help_desc)[[ @<:@default=]]m4_dquote(default_action)[[@:>@])]) + + m4_popdef([enable_var]) + m4_popdef([arg_var]) + + m4_popdef([check_name_dash]) + m4_popdef([check_name_lc]) + + m4_popdef([default_action]) + m4_popdef([help_desc]) + m4_popdef([check_name]) +]) -- 2.11.0 -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list