diff --git a/hw/dmx/dmx.c b/hw/dmx/dmx.c
index add0e5390..a226c5db1 100644
--- a/hw/dmx/dmx.c
+++ b/hw/dmx/dmx.c
@@ -74,8 +74,9 @@ _DMXXineramaActive(void)
 {
 #ifdef PANORAMIX
     return !noPanoramiXExtension;
-#endif
+#else
     return 0;
+#endif
 }
 
 static void
diff --git a/hw/xfree86/common/compiler.h b/hw/xfree86/common/compiler.h
index 0abdfb6c3..c980beeb9 100644
--- a/hw/xfree86/common/compiler.h
+++ b/hw/xfree86/common/compiler.h
@@ -119,6 +119,23 @@ extern _X_EXPORT unsigned int inb(unsigned long);
 extern _X_EXPORT unsigned int inw(unsigned long);
 extern _X_EXPORT unsigned int inl(unsigned long);
 
+#ifdef __SUNPRO_C
+extern _X_EXPORT unsigned char  xf86ReadMmio8    (void *, unsigned long);
+extern _X_EXPORT unsigned short xf86ReadMmio16Be (void *, unsigned long);
+extern _X_EXPORT unsigned short xf86ReadMmio16Le (void *, unsigned long);
+extern _X_EXPORT unsigned int   xf86ReadMmio32Be (void *, unsigned long);
+extern _X_EXPORT unsigned int   xf86ReadMmio32Le (void *, unsigned long);
+extern _X_EXPORT void xf86WriteMmio8    (void *, unsigned long, unsigned int);
+extern _X_EXPORT void xf86WriteMmio16Be (void *, unsigned long, unsigned int);
+extern _X_EXPORT void xf86WriteMmio16Le (void *, unsigned long, unsigned int);
+extern _X_EXPORT void xf86WriteMmio32Be (void *, unsigned long, unsigned int);
+extern _X_EXPORT void xf86WriteMmio32Le (void *, unsigned long, unsigned int);
+extern _X_EXPORT void xf86WriteMmio8NB    (void *, unsigned long, unsigned int);
+extern _X_EXPORT void xf86WriteMmio16BeNB (void *, unsigned long, unsigned int);
+extern _X_EXPORT void xf86WriteMmio16LeNB (void *, unsigned long, unsigned int);
+extern _X_EXPORT void xf86WriteMmio32BeNB (void *, unsigned long, unsigned int);
+extern _X_EXPORT void xf86WriteMmio32LeNB (void *, unsigned long, unsigned int);
+#endif                          /* _SUNPRO_C */
 #endif                          /* __sparc__,  __arm32__, __alpha__, __nds32__ */
 #endif                          /* __arm__ */
 
diff --git a/hw/xfree86/fbdevhw/fbdevhwstub.c b/hw/xfree86/fbdevhw/fbdevhwstub.c
index b7b4d2e7d..7d554e60a 100644
--- a/hw/xfree86/fbdevhw/fbdevhwstub.c
+++ b/hw/xfree86/fbdevhw/fbdevhwstub.c
@@ -143,7 +143,7 @@ fbdevHWSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr mode)
 }
 
 void
-fbdevHWAdjustFrame(ScrnInfoPtr pScrn, int x, int y, int flags)
+fbdevHWAdjustFrame(ScrnInfoPtr pScrn, int x, int y)
 {
 }