darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.

	* config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
	* config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.

	* config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
	Call dsymutil when compiling and linking one or more source files
	in one step.

From-SVN: r118359

gcc/ChangeLog

 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 
+	* config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
+	* config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
+
+	* config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
+	Call dsymutil when compiling and linking one or more source files
+	in one step.
+
+2006-10-31  Geoffrey Keating  <geoffk@apple.com>
+
 	PR 15834
 	* config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
 

gcc/config/darwin.h

@@ -228,16 +228,19 @@ extern GTY(()) int darwin_ms_struct;
    specifying the handling of options understood by generic Unix
    linkers, and for positional arguments like libraries.  */
 #define LINK_COMMAND_SPEC "\
-%{!fdump=*:%{!fsyntax-only:%{!precomp:%{!c:%{!M:%{!MM:%{!E:%{!S:\
+%{!fdump=*:%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
     %{!Zdynamiclib:%(linker)}%{Zdynamiclib:/usr/bin/libtool} \
     %l %X %{d} %{s} %{t} %{Z} \
     %{!Zdynamiclib:%{A} %{e*} %{m} %{N} %{n} %{r} %{u*} %{x} %{z}} \
-    %{@:-o %f%u.out}%{!@:%{o*}%{!o:-o a.out}} \
+    %{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*} }}}}}}}}"
+    %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} %{F*} }}}}}}}\n\
+%{!fdump=*:%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
+    %{.c|.cc|.C|.cpp|.c++|.CPP|.m|.mm: \
+    %{g*:%{!gstabs*:%{!gnone: dsymutil %{o*:%*}%{!o:a.out}}}}}}}}}}}}"
 
 #ifdef TARGET_SYSTEM_ROOT
 #define LINK_SYSROOT_SPEC \
@@ -387,13 +390,13 @@ extern GTY(()) int darwin_ms_struct;
 #define ASM_SPEC "-arch %(darwin_arch) \
   %{Zforce_cpusubtype_ALL:-force_cpusubtype_ALL}"
 
-/* We use Dbx symbol format.  */
+/* We still allow output of STABS.  */
 
 #define DBX_DEBUGGING_INFO 1
 
-/* Also enable Dwarf 2 as an option.  */
+/* Prefer DWARF2.  */
 #define DWARF2_DEBUGGING_INFO
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
 
 #define DEBUG_FRAME_SECTION	"__DWARF,__debug_frame,regular,debug"
 #define DEBUG_INFO_SECTION	"__DWARF,__debug_info,regular,debug"

gcc/config/i386/darwin.h

@@ -187,10 +187,6 @@ extern void darwin_x86_file_end (void);
     SUBTARGET_C_COMMON_OVERRIDE_OPTIONS;				\
   } while (0)
 
-/* Darwin on x86_64 uses dwarf-2 by default.  */
-#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE (TARGET_64BIT ? DWARF2_DEBUG : DBX_DEBUG)
-
 /* Darwin uses the standard DWARF register numbers but the default
    register numbers for STABS.  Fortunately for 64-bit code the
    default and the standard are the same.  */