more and more new fixes

goldlib/gall/gfilutil.h

@@ -228,6 +228,9 @@ inline int eof(int h) {
 }
 
 inline int sopen(const char* path, int access, int shflag, int mode) {
+#ifdef __UNIX__
+  shflag = 0;
+#endif
   return open(path, access|shflag, mode);
 }
 

goldlib/gall/gshare.h

@@ -39,19 +39,11 @@
 #if defined(__MINGW32__)        // SH_COMPAT doesn't work in Mingw32
 #undef SH_COMPAT
 #endif
-#elif defined(__CYGWIN__)
+#elif !defined(SH_DENYNO)
 #define	SH_DENYRW	0x10	// Deny read/write
 #define	SH_DENYWR	0x20	// Deny write
 #define	SH_DENYRD	0x30	// Deny read
 #define	SH_DENYNO	0x40	// Deny nothing
-#else
-#ifndef SH_DENYNO
-#define SH_DENYNO 0
-#define SH_DENYRD 0
-#define SH_DENYWR 0
-#define SH_DENYRW 0
-#define SH_COMPAT 0
-#endif
 #endif
 
 #ifndef SH_COMPAT