3 files changed, 34 insertions, 27 deletions
diff --git a/sysdeps/alpha/bits/endian.h b/sysdeps/alpha/bits/endian.h
index e873d2123c..8a16e14e24 100644
--- a/sysdeps/alpha/bits/endian.h
+++ b/sysdeps/alpha/bits/endian.h
@@ -1,3 +1,7 @@
 /* Alpha is little-endian.  */
 
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
 #define __BYTE_ORDER __LITTLE_ENDIAN
diff --git a/sysdeps/alpha/bits/setjmp.h b/sysdeps/alpha/bits/setjmp.h
index 9aa30463d6..de37019218 100644
--- a/sysdeps/alpha/bits/setjmp.h
+++ b/sysdeps/alpha/bits/setjmp.h
@@ -17,6 +17,10 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
 /* The previous bits/setjmp.h had __jmp_buf defined as a structure.
    We use an array of 'long int' instead, to make writing the
    assembler easier. Naturally, user code should not depend on
@@ -48,24 +52,24 @@
  * registers.
  */
 
-#if defined(__USE_MISC) || defined(__ASSEMBLY__)
-#define JB_S0  0
-#define JB_S1  1
-#define JB_S2  2
-#define JB_S3  3
-#define JB_S4  4
-#define JB_S5  5
-#define JB_PC  6
-#define JB_FP  7
-#define JB_SP  8
-#define JB_F2  9
-#define JB_F3  10
-#define JB_F4  11
-#define JB_F5  12
-#define JB_F6  13
-#define JB_F7  14
-#define JB_F8  15
-#define JB_F9  16
+#if defined __USE_MISC || defined __ASSEMBLY__
+# define JB_S0  0
+# define JB_S1  1
+# define JB_S2  2
+# define JB_S3  3
+# define JB_S4  4
+# define JB_S5  5
+# define JB_PC  6
+# define JB_FP  7
+# define JB_SP  8
+# define JB_F2  9
+# define JB_F3  10
+# define JB_F4  11
+# define JB_F5  12
+# define JB_F6  13
+# define JB_F7  14
+# define JB_F8  15
+# define JB_F9  16
 #endif
 
 #ifndef __ASSEMBLY__
diff --git a/sysdeps/alpha/fpu/bits/fenv.h b/sysdeps/alpha/fpu/bits/fenv.h
index 7cb0e3e543..4482f0a2dd 100644
--- a/sysdeps/alpha/fpu/bits/fenv.h
+++ b/sysdeps/alpha/fpu/bits/fenv.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 1997 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Richard Henderson <rth@tamu.edu>, 1997
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public License as
@@ -18,7 +17,7 @@
    Boston, MA 02111-1307, USA.  */
 
 #ifndef _FENV_H
-#error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
+# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
 #endif
 
 
@@ -51,20 +50,20 @@ enum
 
     FE_INVALID =	1UL << 17,
 #define FE_INVALID	FE_INVALID
-    
+
     FE_ALL_EXCEPT =
 	(FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
-#define FE_ALL_EXCEPT	FE_ALL_EXCEPT 
+#define FE_ALL_EXCEPT	FE_ALL_EXCEPT
   };
 
 
-/* Alpha chips support all four defined rouding modes. 
+/* Alpha chips support all four defined rouding modes.
 
    Note that code must be compiled to use dynamic rounding (/d) instructions
    to see these changes.  For gcc this is -mfp-rounding-mode=d; for DEC cc
-   this is -fprm d.  The default for both is static rounding to nearest. 
+   this is -fprm d.  The default for both is static rounding to nearest.
 
-   These are shifted down 58 bits from the hardware fpcr because the 
+   These are shifted down 58 bits from the hardware fpcr because the
    functions are declared to take integers.  */
 
 enum
@@ -100,5 +99,5 @@ typedef unsigned long fenv_t;
 #endif
 
 /* The system calls to talk to the kernel's FP code.  */
-extern unsigned long __ieee_get_fp_control(void);
-extern void __ieee_set_fp_control(unsigned long);
+extern unsigned long int __ieee_get_fp_control __P ((void));
+extern void __ieee_set_fp_control __P ((unsigned long int __value));