Merge commit '6481cc3d7534a34435e88d343eb5f499001032a0'

cmake/FindGDB.cmake

@@ -0,0 +1,60 @@
+# - Try to find GDB
+#
+# Once done, this will define:
+#  GDB_FOUND - system has GDB
+#  GDB_COMMAND - the command to run
+#  GDB_VERSION - version
+#  GDB_HAS_RETURN_CHILD_RESULT - if the --return-child-result flag is supported
+#
+# Useful configuration variables you might want to add to your cache:
+#  GDB_ROOT_DIR - A directory prefix to search
+#
+# Original Author:
+# 2009-2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net>
+# http://academic.cleardefinition.com
+# Iowa State University HCI Graduate Program/VRAC
+#
+# Copyright Iowa State University 2009-2010.
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+
+set(GDB_ROOT_DIR
+	"${GDB_ROOT_DIR}"
+	CACHE
+	PATH
+	"Directory to start our search in")
+
+find_program(GDB_COMMAND
+	NAMES
+	gdb
+	HINTS
+	"${GDB_ROOT_DIR}"
+	PATH_SUFFIXES
+	bin
+	libexec)
+
+if(GDB_COMMAND)
+	execute_process(COMMAND gdb --version
+		COMMAND head -n 1
+		COMMAND sed -r "s/[^0-9]*([0-9]+[0-9.]*).*/\\1/"
+		OUTPUT_VARIABLE GDB_VERSION
+		OUTPUT_STRIP_TRAILING_WHITESPACE)
+endif()
+
+# handle the QUIETLY and REQUIRED arguments and set xxx_FOUND to TRUE if
+# all listed variables are TRUE
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(GDB DEFAULT_MSG GDB_COMMAND GDB_VERSION)
+
+if(GDB_FOUND)
+	mark_as_advanced(GDB_ROOT_DIR)
+	if(GDB_VERSION VERSION_LESS 6.4)
+		set(GDB_HAS_RETURN_CHILD_RESULT FALSE)
+	else()
+		set(GDB_HAS_RETURN_CHILD_RESULT TRUE)
+	endif()
+endif()
+
+mark_as_advanced(GDB_COMMAND)