Add Doxygen support to GDB

gdb/doc/Doxyfile-gdb-api.in

@@ -0,0 +1,38 @@
+# Copyright (C) 2014 Free Software Foundation, Inc.
+
+# Doxygen file for GDB internal API.
+# This file is part of GDB.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+@INCLUDE = Doxyfile-base
+
+PROJECT_NAME = "GDB (API)"
+
+# Enumerate the files to process.  In general these should be header
+# files with definitions of general interest, rather than ones that
+# are specific to a single target or configuration.  (The cross
+# reference pages are available to developers wanting a list of
+# everything.)
+
+INPUT = @srcdir@/../defs.h \
+        @srcdir@/../minsyms.h \
+        @srcdir@/../utils.h
+
+HTML_OUTPUT = ./doxy/gdb-api
+
+# Suppress classes/structs local to source files, they are unlikely
+# to be of general API interest.
+
+EXTRACT_LOCAL_CLASSES = NO