Index: gcc/config/alpha/openbsd.h
--- gcc/config/alpha/openbsd.h.orig
+++ gcc/config/alpha/openbsd.h
@@ -19,6 +19,28 @@ along with GCC; see the file COPYING3.  If not see
 
 /* Controlling the compilation driver.  */
 
+#undef TARGET_DEFAULT
+#define TARGET_DEFAULT \
+	(MASK_FPREGS | MASK_IEEE | MASK_IEEE_CONFORMANT)
+
+#define LINK_SPEC \
+  "%{!shared:%{!nostdlib:%{!r:%{!e*:-e __start}}}} \
+   %{shared:-shared} %{R*} \
+   %{static:-Bstatic} \
+   %{!static:-Bdynamic} \
+   %{rdynamic:-export-dynamic} \
+   %{assert*} \
+   %{!static:-dynamic-linker /usr/libexec/ld.so}"
+
+/* As an elf system, we need crtbegin/crtend stuff.  */
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "\
+	%{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} \
+	%{!p:%{!static:crt0%O%s} %{static:%{nopie:crt0%O%s} \
+	%{!nopie:rcrt0%O%s}}}} crtbegin%O%s} %{shared:crtbeginS%O%s}"
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
+
 /* run-time target specifications */
 #define TARGET_OS_CPP_BUILTINS()		\
     do {					\
@@ -28,18 +50,27 @@ along with GCC; see the file COPYING3.  If not see
 
 /* Layout of source language data types.  */
 
-/* This must agree with <machine/ansi.h> */
+/* This must agree with <machine/_types.h> */
 #undef SIZE_TYPE
 #define SIZE_TYPE "long unsigned int"
 
 #undef PTRDIFF_TYPE
 #define PTRDIFF_TYPE "long int"
 
+#undef INTMAX_TYPE
+#define INTMAX_TYPE "long long int"
+
+#undef UINTMAX_TYPE
+#define UINTMAX_TYPE "long long unsigned int"
+
 #undef WCHAR_TYPE
 #define WCHAR_TYPE "int"
 
 #undef WCHAR_TYPE_SIZE
 #define WCHAR_TYPE_SIZE 32
+
+#undef WINT_TYPE
+#define WINT_TYPE "int"
 
 
 #define LOCAL_LABEL_PREFIX	"."