darwin.h: Make pretty.

	* config/darwin.h: Make pretty.
	* config/t-darwin (config/darwin.h.rebuild): Add.
	(build/slashify): Add.
	* config/slashify.c: Add.

From-SVN: r170097

gcc/ChangeLog

+2011-02-12  Mike Stump  <mikestump@comcast.net>
+
+	* config/darwin.h: Make pretty.
+	* config/t-darwin (config/darwin.h.rebuild): Add.
+	(build/slashify): Add.
+	* config/slashify.c: Add.
+
 2011-02-12  Joseph Myers  <joseph@codesourcery.com>
 
 	PR driver/45731
@@ -46,7 +53,7 @@
 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
 
 	* config/darwin.c (darwin_override_options): Add a hunk missed
-	from the commit of r168571.  Trim comment line lengths and 
+	from the commit of r168571.  Trim comment line lengths and
 	correct indents of the preceding block.
 
 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>

gcc/config/slashify.c

+/* Generate a slashified version of the input
+   Copyright (C) 2011
+   Free Software Foundation, Inc.
+   Contributed by Mike Stump <mikestump@comcast.net>
+
+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/>.  */
+
+
+/* This is a small utility to slashify a source file so that one never
+   needs to stare at backslashes.  */
+
+#include <stdio.h>
+
+extern int main (int, char **);
+
+int main (int argc, char **argv) {
+  int c,c1;
+  int saw_start = 0;
+  while ((c=getchar ()) != EOF) {
+    if (c != '@') {
+      if (saw_start && c == '\n') {
+	putchar ('\\');
+      }
+      putchar (c);
+      continue;
+    }
+    c1=getchar();
+    if (c1 == EOF) {
+      putchar (c);
+      return 0;
+    }
+    if (!saw_start && c1 == '(') {
+      saw_start = 1;
+    } else if (saw_start && c1 == ')') {
+      saw_start = 0;
+    } else {
+      putchar (c); 
+      putchar (c1); 
+    }
+  }
+  return 0;
+}

gcc/config/t-darwin

@@ -17,6 +17,20 @@
 # along with GCC; see the file COPYING3.  If not see
 # <http://www.gnu.org/licenses/>.
 
+build/slashify: $(srcdir)/config/slashify.c
+	$(COMPILER_FOR_BUILD) $< -o $@
+
+$(srcdir)/config/darwin.h: config/darwin.h.rebuild
+
+config/darwin.h.rebuild: build/slashify
+	@if [ ! -e $(srcdir)/config/darwin.h					\
+	      -o $(srcdir)/config/darwin.h -nt config/darwin.h ]; then		\
+		{ test -d config || mkdir config; } &&				\
+		cp -p $(srcdir)/config/darwin-sections.def			\
+		      config/darwin-sections.def &&				\
+		build/slashify < $(srcdir)/config/darwin.h  >config/darwin.h;	\
+	fi
+
 darwin.o: $(srcdir)/config/darwin.c $(CONFIG_H) $(SYSTEM_H) coretypes.h     \
   $(TM_H) $(RTL_H) $(REGS_H) hard-reg-set.h $(REAL_H) insn-config.h         \
   conditions.h insn-flags.h output.h insn-attr.h flags.h $(TREE_H) expr.h   \