[Init] Add initial source code

Signed-off-by: Regis Merlino <regis.merlino@intel.com>

1 files changed, 95 insertions, 0 deletions

diff --git a/m4/log.m4 b/m4/log.m4
new file mode 100644
index 0000000..56ddfc4
--- /dev/null
+++ b/m4/log.m4
@@ -0,0 +1,95 @@
+dnl
+dnl dLeyna
+dnl
+dnl Copyright (C) 2012-2013 Intel Corporation. All rights reserved.
+dnl
+dnl This program is free software; you can redistribute it and/or modify it
+dnl under the terms and conditions of the GNU Lesser General Public License,
+dnl version 2.1, as published by the Free Software Foundation.
+dnl
+dnl This program is distributed in the hope it will be useful, but WITHOUT
+dnl ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+dnl FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+dnl for more details.
+dnl
+dnl You should have received a copy of the GNU Lesser General Public License
+dnl along with this program; if not, write to the Free Software Foundation, Inc.,
+dnl 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+dnl
+dnl Ludovic Ferrandis <ludovic.ferrandis@intel.com>
+dnl
+
+
+AC_DEFUN([_DLEYNA_LOG_LEVEL_CHECK_VALUE],
+[
+	AS_CASE($1,
+		[[[1-6]]], [AS_IF([test ${log_array[[${log_level}]]} -ne 0],
+				[
+					AC_MSG_ERROR(["$1 should be set once"], 1)
+				],
+				[test "x${log_single}" = xyes],
+				[
+					AC_MSG_ERROR(["Unique value element already set"], 1)
+				])
+			],
+
+		[0|7|8], [AS_IF([test ${log_level_count} -ne 0],
+				[
+					AC_MSG_ERROR(["$1 should be a unique value element"], 1)
+				])
+			  log_single=yes
+			],
+
+		[AC_MSG_ERROR(["$1 is not a valid value"], 1)]
+	)
+
+	log_name=LOG_LEVEL_${log_level}
+	eval log_value=\$${log_name}
+	let "LOG_LEVEL |= ${log_value}"
+]
+)
+
+AC_DEFUN([DLEYNA_LOG_LEVEL_CHECK],
+[
+	AC_MSG_CHECKING([for --with-log-level=$1])
+
+	old_IFS=${IFS}
+	IFS=","
+
+	log_ok=yes
+	log_single=no
+	log_level_count=0
+	LOG_LEVEL=0
+	log_array=(0 0 0 0 0 0 0 0 0)
+
+	for log_level in $1
+	do
+		IFS=${old_IFS}
+		_DLEYNA_LOG_LEVEL_CHECK_VALUE([$log_level])
+		IFS=","
+
+		let log_level_count++
+		let log_array[[${log_level}]]++
+	done
+
+	IFS=${old_IFS}
+
+	AC_DEFINE_UNQUOTED([DLEYNA_LOG_LEVEL], [${LOG_LEVEL}], [Log level flag for debug messages])
+
+	AC_MSG_RESULT([ok])
+]
+)
+
+AC_DEFUN([DLEYNA_LOG_TYPE_CHECK],
+[
+	AC_MSG_CHECKING([for --with-log-type=$1])
+
+	AS_CASE($1,
+		[0|1], [],
+
+		[AC_MSG_ERROR(["$1 is not a valid value"], 1)]
+	)
+
+	AC_MSG_RESULT([ok])
+]
+)