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-rw-r--r--gcc-4.9/gcc/config/rtems.h45
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diff --git a/gcc-4.9/gcc/config/rtems.h b/gcc-4.9/gcc/config/rtems.h
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+/* Configuration common to all targets running RTEMS.
+ Copyright (C) 2000-2014 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC 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, or (at your option)
+any later version.
+
+GCC 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 GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+/* The system headers under RTEMS are C++-aware. */
+#undef NO_IMPLICIT_EXTERN_C
+#define NO_IMPLICIT_EXTERN_C
+
+/*
+ * Dummy start/end specification to let linker work as
+ * needed by autoconf scripts using this compiler.
+ */
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "crt0.o%s"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC ""
+
+/*
+ * Some targets do not set up LIB_SPECS, override it, here.
+ */
+#define STD_LIB_SPEC "%{!shared:%{g*:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}}"
+
+#undef LIB_SPEC
+#define LIB_SPEC "%{!qrtems: " STD_LIB_SPEC "} " \
+"%{!nostdlib: %{qrtems: --start-group \
+ -lrtemsbsp -lrtemscpu \
+ -lc -lgcc --end-group %{!qnolinkcmds: -T linkcmds%s}}}"
+
+#define TARGET_POSIX_IO