Re: [libvirt] [PATCH 3/4] configure: Colorize output

If we're running from a TTY we can put some colors around 'yes', 'no' and other messages. Shamelessly copied from Ruby source code and modified a bit to comply with syntax-check. https://github.com/ruby/ruby/commit/e4879592873abd4cd8aeed56f4cbaa360a3d3736

Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com&gt; --- m4/virt-colours.m4 | 62 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 m4/virt-colours.m4 diff --git a/m4/virt-colours.m4 b/m4/virt-colours.m4 new file mode 100644 index 0000000000..251778f2ff --- /dev/null +++ b/m4/virt-colours.m4 @@ -0,0 +1,62 @@ +dnl Colourful configure +dnl +dnl Copyright (C) 2015 Nobuyoshi Nakada +dnl +dnl This library is free software; you can redistribute it and/or +dnl modify it under the terms of the GNU Lesser General Public +dnl License as published by the Free Software Foundation; either +dnl version 2.1 of the License, or (at your option) any later version. +dnl +dnl This library is distributed in the hope that it will be useful, +dnl but WITHOUT ANY WARRANTY; without even the implied warranty of +dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +dnl Lesser General Public License for more details. +dnl +dnl You should have received a copy of the GNU Lesser General Public +dnl License along with this library. If not, see +dnl <http://www.gnu.org/licenses/>;. + +AC_DEFUN([_COLORIZE_RESULT_PREPARE], [ + msg_checking= msg_result_yes= msg_result_no= msg_result_other= msg_reset= + AS_IF([test -t 1], [ + msg_begin="`tput smso 2>/dev/null`" + AS_CASE(["$msg_begin"], ['@<:@'*m], + [msg_begin="`echo "$msg_begin" | sed ['s/[0-9]*m$//']`" + msg_checking="${msg_begin}33m" + AS_IF([test ${TEST_COLORS:+set}], [ + msg_result_yes=[`expr ":$TEST_COLORS:" : ".*:pass=\([^:]*\):"`] + msg_result_no=[`expr ":$TEST_COLORS:" : ".*:fail=\([^:]*\):"`] + msg_result_other=[`expr ":$TEST_COLORS:" : ".*:skip=\([^:]*\):"`] + ]) + msg_result_yes="${msg_begin}${msg_result_yes:-32;1}m" + msg_result_no="${msg_begin}${msg_result_no:-31;1}m" + msg_result_other="${msg_begin}${msg_result_other:-33;1}m" + msg_reset="${msg_begin}m" + ]) + AS_UNSET(msg_begin) + ]) + AS_REQUIRE_SHELL_FN([colorize_result], + [AS_FUNCTION_DESCRIBE([colorize_result], [MSG], [Colorize result])], + [AS_CASE(["$[]1"], + [yes], [AS_ECHO(["${msg_result_yes}$[]1${msg_reset}]")], + [no], [AS_ECHO(["${msg_result_no}$[]1${msg_reset}]")], + [AS_ECHO(["${msg_result_other}$[]1${msg_reset}]")])]) +]) + +AC_DEFUN([COLORIZE_RESULT], [AC_REQUIRE([_COLORIZE_RESULT_PREPARE])dnl + AS_LITERAL_IF([$1], + [m4_case([$1], + [yes], [AS_ECHO(["${msg_result_yes}$1${msg_reset}"])], + [no], [AS_ECHO(["${msg_result_no}$1${msg_reset}"])], + [AS_ECHO(["${msg_result_other}$1${msg_reset}"])])], + [colorize_result "$1"]) dnl +]) + +AC_DEFUN([AC_CHECKING],[dnl +AC_REQUIRE([_COLORIZE_RESULT_PREPARE])dnl +AS_MESSAGE([checking ${msg_checking}$1${msg_reset}...])]) + +AC_DEFUN([AC_MSG_RESULT], [dnl +{ _AS_ECHO_LOG([result: $1]) +COLORIZE_RESULT([$1]); dnl +}])