--- /dev/null
+/* Target definitions for Darwin (Mac OS X) systems.
+ Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+ Contributed by Apple 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/>. */
+
+/* Prefer DWARF2. */
+#undef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+#define DARWIN_PREFER_DWARF
+
+/* Since DWARF2 is default, conditions for running dsymutil are different. */
+#undef LINK_COMMAND_SPEC
+#define LINK_COMMAND_SPEC "\
+%{!fdump=*:%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
+ %(linker) %l %X %{d} %{s} %{t} %{Z} \
+ %{A} %{e*} %{m} %{r} %{x} \
+ %{o*}%{!o:-o a.out} \
+ %{!A:%{!nostdlib:%{!nostartfiles:%S}}} \
+ %{L*} %{fopenmp:%:include(libgomp.spec)%(link_gomp)} \
+ %(link_libgcc) %o %{fprofile-arcs|fprofile-generate|coverage:-lgcov} \
+ %{!nostdlib:%{!nodefaultlibs:%(link_ssp) %G %L}} \
+ %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} %{F*} }}}}}}}\n\
+%{!fdump=*:%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
+ %{.c|.cc|.C|.cpp|.cp|.c++|.cxx|.CPP|.m|.mm: \
+ %{g*:%{!gstabs*:%{!g0: dsymutil %{o*:%*}%{!o:a.out}}}}}}}}}}}}"
+
+/* libSystem contains unwind information for signal frames. */
+#define DARWIN_LIBSYSTEM_HAS_UNWIND
+
+/* The linker can generate branch islands. */
+#define DARWIN_LINKER_GENERATES_ISLANDS 1
+
+#undef ASM_OUTPUT_ALIGNED_COMMON
+#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
+ do { \
+ unsigned HOST_WIDE_INT _new_size = (SIZE); \
+ fprintf ((FILE), ".comm "); \
+ assemble_name ((FILE), (NAME)); \
+ if (_new_size == 0) _new_size = 1; \
+ fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
+ _new_size, floor_log2 ((ALIGN) / BITS_PER_UNIT)); \
+ } while (0)