--- gcc/config/m88kdgux.h	2018/04/24 17:53:54	1.1.1.2
+++ gcc/config/m88kdgux.h	2018/04/24 18:04:09	1.1.1.3
@@ -27,10 +27,12 @@ the Free Software Foundation, 675 Mass A
 /* DWARF_DEBUGGING_INFO defined in svr4.h.  */
 #define SDB_DEBUGGING_INFO
 #define PREFERRED_DEBUGGING_TYPE \
-  (VERSION_0300_SYNTAX ? DWARF_DEBUG : SDB_DEBUG)
+  (GET_VERSION_0300_SYNTAX ? DWARF_DEBUG : SDB_DEBUG)
 
 #ifndef NO_BUGS
 #define AS_BUG_IMMEDIATE_LABEL
+/* The DG/UX 4.30 assembler doesn't accept the symbol `fcr63'.  */
+#define AS_BUG_FLDCR
 #endif
 
 #include "svr4.h"
@@ -58,6 +60,8 @@ the Free Software Foundation, 675 Mass A
 #define TARGET_DEFAULT	(MASK_CHECK_ZERO_DIV	 | \
 			 MASK_OCS_DEBUG_INFO	 | \
 			 MASK_OCS_FRAME_POSITION)
+#undef	CPU_DEFAULT
+#define CPU_DEFAULT MASK_88000
 
 /* Macros to be automatically defined.  __svr4__ is our extension.
    __CLASSIFY_TYPE__ is used in the <varargs.h> and <stdarg.h> header
@@ -68,17 +72,21 @@ the Free Software Foundation, 675 Mass A
 #define CPP_PREDEFINES "-Dm88000 -Dm88k -Dunix -DDGUX -D__CLASSIFY_TYPE__=2\
    -D__svr4__ -Asystem(unix) -Acpu(m88k) -Amachine(m88k)"
 
-/* If not -ansi, -traditional, or restricting include files to one
-   specific source target, specify full DG/UX features.  */
+/* If -m88100 is in effect, add -Dm88100; similarly for -m88110.
+   Here, the CPU_DEFAULT is assumed to be -m88000.  If not -ansi,
+   -traditional, or restricting include files to one specific source
+   target, specify full DG/UX features.  */
 #undef	CPP_SPEC
-#define	CPP_SPEC "%{!ansi:%{!traditional:-D__OPEN_NAMESPACE__}}"
+#define	CPP_SPEC "%{!m88000:%{!m88100:%{m88110:-D__m88110__}}} \
+		  %{!m88000:%{!m88110:%{m88100:-D__m88100__}}} \
+		  %{!ansi:%{!traditional:-D__OPEN_NAMESPACE__}}"
 
 /* Assembler support (-V, silicon filter, legends for mxdb).  */
 #undef	ASM_SPEC
 #define ASM_SPEC "\
 %{V} %{v:%{!V:-V}} %{pipe: - %{msvr4:%{mversion-03.00:-KV3}}}\
 %{!mlegend:%{mstandard:-Wc,off}}\
-%{mlegend:-Wc,-fix-bb,-h\"gcc-2.0.3\",-s\"%i\"\
+%{mlegend:-Wc,-fix-bb,-h\"gcc-2.2.14\",-s\"%i\"\
 %{traditional:,-lc}%{!traditional:,-lansi-c}\
 %{mstandard:,-keep-std}\
 %{mkeep-coff:,-keep-coff}\
@@ -120,7 +128,11 @@ the Free Software Foundation, 675 Mass A
 
 /* DGUX V.4 isn't quite ELF--yet.  */
 #undef  VERSION_0300_SYNTAX
-#define VERSION_0300_SYNTAX (TARGET_SVR4 && TARGET_VERSION_0300)
+#define VERSION_0300_SYNTAX (TARGET_SVR4 && m88k_version_0300)
+
+/* Same, but used before OVERRIDE_OPTIONS has been processed.  */
+#define GET_VERSION_0300_SYNTAX \
+  (TARGET_SVR4 && m88k_version != 0 && strcmp (m88k_version, "03.00") >= 0)
 
 /* Output the legend info for mxdb when debugging except if standard
    debugging information only is explicitly requested.  */