Remove __STDC__ conditionals from installed headers.

11 files changed, 39 insertions, 93 deletions

diff --git a/ChangeLog b/ChangeLog
index b413d27a52..4fa37ca4ec 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,16 @@
+2012-01-26  Joseph Myers  <joseph@codesourcery.com>
+
+	* libio/libio.h: Remove __STDC__ conditionals.
+	* malloc/obstack.h: Likewise.
+	* math/complex.h: Likewise.
+	* math/math.h: Likewise.
+	* sysdeps/generic/_G_config.h: Likewise.
+	* sysdeps/gnu/_G_config.h: Likewise.
+	* sysdeps/mach/hurd/_G_config.h: Likewise.
+	* sysdeps/powerpc/bits/mathdef.h: Likewise.
+	* sysdeps/sh/sh4/bits/mathdef.h: Likewise.
+	* sysdeps/sparc/bits/mathdef.h: Likewise.
+
 2012-01-26  Ulrich Drepper  <drepper@gmail.com>
 
 	[BZ #13583]
diff --git a/libio/libio.h b/libio/libio.h
index 3ec2eb3fdf..8997524829 100644
--- a/libio/libio.h
+++ b/libio/libio.h
@@ -62,13 +62,8 @@
 # if _G_HAVE_SYS_CDEFS
 #  include <sys/cdefs.h>
 # else
-#  ifdef __STDC__
-#   define __P(p) p
-#   define __PMT(p) p
-#  else
-#   define __P(p) ()
-#   define __PMT(p) ()
-#  endif
+#  define __P(p) p
+#  define __PMT(p) p
 # endif
 #endif /*!__P*/
 
@@ -77,11 +72,6 @@
 # define _PARAMS(protos) __P(protos)
 #endif /*!_PARAMS*/
 
-#ifndef __STDC__
-# ifndef const
-#  define const
-# endif
-#endif
 #define _IO_UNIFIED_JUMPTABLES 1
 #ifndef _G_HAVE_PRINTF_FP
 # define _IO_USE_DTOA 1
diff --git a/malloc/obstack.h b/malloc/obstack.h
index 4677891472..096385663c 100644
--- a/malloc/obstack.h
+++ b/malloc/obstack.h
@@ -1,5 +1,5 @@
 /* obstack.h - object stack macros
-   Copyright (C) 1988-1994,1996-1999,2003,2004,2005,2009,2011
+   Copyright (C) 1988-1994,1996-1999,2003,2004,2005,2009,2011,2012
 	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -250,7 +250,7 @@ extern int obstack_exit_failure;
 
 #define obstack_memory_used(h) _obstack_memory_used (h)
 
-#if defined __GNUC__ && defined __STDC__ && __STDC__
+#if defined __GNUC__
 /* NextStep 2.0 cc is really gcc 1.93 but it defines __GNUC__ = 2 and
    does not implement __extension__.  But that compiler doesn't define
    __GNUC_MINOR__.  */
@@ -402,7 +402,7 @@ __extension__								\
      __o->next_free = __o->object_base = (char *)__obj;			\
    else (obstack_free) (__o, __obj); })
 
-#else /* not __GNUC__ or not __STDC__ */
+#else /* not __GNUC__ */
 
 # define obstack_object_size(h) \
  (unsigned) ((h)->next_free - (h)->object_base)
@@ -500,7 +500,7 @@ __extension__								\
        = (h)->temp.tempint + (char *) (h)->chunk), 0)			\
    : ((obstack_free) ((h), (h)->temp.tempint + (char *) (h)->chunk), 0)))
 
-#endif /* not __GNUC__ or not __STDC__ */
+#endif /* not __GNUC__ */
 
 #ifdef __cplusplus
 }	/* C++ */
diff --git a/math/complex.h b/math/complex.h
index 9217fddf96..cd48cb9a8d 100644
--- a/math/complex.h
+++ b/math/complex.h
@@ -82,20 +82,15 @@ __BEGIN_DECLS
 # define _Mfloat_		float
 #endif
 #define _Mdouble_ 		_Mfloat_
-#ifdef __STDC__
-# define __MATH_PRECNAME(name)	name##f
-#else
-# define __MATH_PRECNAME(name)	name/**/f
-#endif
+#define __MATH_PRECNAME(name)	name##f
 #include <bits/cmathcalls.h>
 #undef	_Mdouble_
 #undef	__MATH_PRECNAME
 
 /* And the long double versions.  It is non-critical to define them
    here unconditionally since `long double' is required in ISO C99.  */
-#if (__STDC__ - 0 || __GNUC__ - 0) \
-    && (!(defined __NO_LONG_DOUBLE_MATH && defined _LIBC) \
-	|| defined __LDBL_COMPAT)
+#if !(defined __NO_LONG_DOUBLE_MATH && defined _LIBC)	\
+    || defined __LDBL_COMPAT
 # ifdef __LDBL_COMPAT
 #  undef __MATHDECL_1
 #  define __MATHDECL_1(type, function, args) \
@@ -106,11 +101,7 @@ __BEGIN_DECLS
 #  define _Mlong_double_	long double
 # endif
 # define _Mdouble_ 		_Mlong_double_
-# ifdef __STDC__
-#  define __MATH_PRECNAME(name)	name##l
-# else
-#  define __MATH_PRECNAME(name)	name/**/l
-# endif
+# define __MATH_PRECNAME(name)	name##l
 # include <bits/cmathcalls.h>
 #endif
 #undef	_Mdouble_
diff --git a/math/math.h b/math/math.h
index a849a03da0..d6e4d01f9d 100644
--- a/math/math.h
+++ b/math/math.h
@@ -1,5 +1,5 @@
 /* Declarations for math functions.
-   Copyright (C) 1991-1993, 1995-1999, 2001, 2002, 2004, 2006, 2009, 2011
+   Copyright (C) 1991-1993, 1995-1999, 2001, 2002, 2004, 2006, 2009, 2011, 2012
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -84,11 +84,7 @@ __BEGIN_DECLS
 #  define _Mfloat_		float
 # endif
 # define _Mdouble_		_Mfloat_
-# ifdef __STDC__
-#  define __MATH_PRECNAME(name,r) name##f##r
-# else
-#  define __MATH_PRECNAME(name,r) name/**/f/**/r
-# endif
+# define __MATH_PRECNAME(name,r) name##f##r
 # define _Mdouble_BEGIN_NAMESPACE __BEGIN_NAMESPACE_C99
 # define _Mdouble_END_NAMESPACE   __END_NAMESPACE_C99
 # include <bits/mathcalls.h>
@@ -97,9 +93,8 @@ __BEGIN_DECLS
 # undef _Mdouble_END_NAMESPACE
 # undef	__MATH_PRECNAME
 
-# if (__STDC__ - 0 || __GNUC__ - 0) \
-     && (!(defined __NO_LONG_DOUBLE_MATH && defined _LIBC) \
-	 || defined __LDBL_COMPAT)
+# if !(defined __NO_LONG_DOUBLE_MATH && defined _LIBC) \
+     || defined __LDBL_COMPAT
 #  ifdef __LDBL_COMPAT
 
 #   ifdef __USE_ISOC99
@@ -132,11 +127,7 @@ extern long double __REDIRECT_NTH (nexttowardl,
 #   define _Mlong_double_	long double
 #  endif
 #  define _Mdouble_		_Mlong_double_
-#  ifdef __STDC__
-#   define __MATH_PRECNAME(name,r) name##l##r
-#  else
-#   define __MATH_PRECNAME(name,r) name/**/l/**/r
-#  endif
+#  define __MATH_PRECNAME(name,r) name##l##r
 #  define _Mdouble_BEGIN_NAMESPACE __BEGIN_NAMESPACE_C99
 #  define _Mdouble_END_NAMESPACE   __END_NAMESPACE_C99
 #  define __MATH_DECLARE_LDOUBLE   1
@@ -146,7 +137,7 @@ extern long double __REDIRECT_NTH (nexttowardl,
 #  undef _Mdouble_END_NAMESPACE
 #  undef __MATH_PRECNAME
 
-# endif /* __STDC__ || __GNUC__ */
+# endif /* !(__NO_LONG_DOUBLE_MATH && _LIBC) || __LDBL_COMPAT */
 
 #endif	/* Use misc or ISO C99.  */
 #undef	__MATHDECL_1
diff --git a/sysdeps/generic/_G_config.h b/sysdeps/generic/_G_config.h
index 4aafe65f6b..67b8dcdd10 100644
--- a/sysdeps/generic/_G_config.h
+++ b/sysdeps/generic/_G_config.h
@@ -84,10 +84,6 @@ typedef unsigned int _G_uint32_t __attribute__ ((__mode__ (__SI__)));
 #define _G_VTABLE_LABEL_HAS_LENGTH 1
 
 
-#if defined __cplusplus || defined __STDC__
-# define _G_ARGS(ARGLIST) ARGLIST
-#else
-# define _G_ARGS(ARGLIST) ()
-#endif
+#define _G_ARGS(ARGLIST) ARGLIST
 
 #endif	/* _G_config.h */
diff --git a/sysdeps/gnu/_G_config.h b/sysdeps/gnu/_G_config.h
index 211d0224b1..fe43f8c894 100644
--- a/sysdeps/gnu/_G_config.h
+++ b/sysdeps/gnu/_G_config.h
@@ -92,10 +92,6 @@ typedef unsigned int _G_uint32_t __attribute__ ((__mode__ (__SI__)));
 #define _G_VTABLE_LABEL_PREFIX_ID __vt_
 
 
-#if defined __cplusplus || defined __STDC__
-# define _G_ARGS(ARGLIST) ARGLIST
-#else
-# define _G_ARGS(ARGLIST) ()
-#endif
+#define _G_ARGS(ARGLIST) ARGLIST
 
 #endif	/* _G_config.h */
diff --git a/sysdeps/mach/hurd/_G_config.h b/sysdeps/mach/hurd/_G_config.h
index db959246ee..8c685619fe 100644
--- a/sysdeps/mach/hurd/_G_config.h
+++ b/sysdeps/mach/hurd/_G_config.h
@@ -91,10 +91,6 @@ typedef unsigned int _G_uint32_t __attribute__ ((__mode__ (__SI__)));
 #define _G_VTABLE_LABEL_PREFIX_ID __vt_
 
 
-#if defined __cplusplus || defined __STDC__
-# define _G_ARGS(ARGLIST) ARGLIST
-#else
-# define _G_ARGS(ARGLIST) ()
-#endif
+#define _G_ARGS(ARGLIST) ARGLIST
 
 #endif	/* _G_config.h */
diff --git a/sysdeps/powerpc/bits/mathdef.h b/sysdeps/powerpc/bits/mathdef.h
index 7723f0caaf..3a9b1b0459 100644
--- a/sysdeps/powerpc/bits/mathdef.h
+++ b/sysdeps/powerpc/bits/mathdef.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997,1998,1999,2000,2003,2004,2006,2010
+/* Copyright (C) 1997,1998,1999,2000,2003,2004,2006,2010,2012
 	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -32,23 +32,13 @@
 # define _MATH_H_MATHDEF	1
 
 # ifdef __GNUC__
-#  if __STDC__ == 1
 
-/* In GNU or ANSI mode, gcc leaves `float' expressions as-is.  */
+/* gcc leaves `float' expressions as-is.  */
 typedef float float_t;		/* `float' expressions are evaluated as
 				   `float'.  */
 typedef double double_t;	/* `double' expressions are evaluated as
 				   `double'.  */
 
-#  else
-
-/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
-typedef double float_t;		/* `float' expressions are evaluated as
-				   `double'.  */
-typedef double double_t;	/* `double' expressions are evaluated as
-				   `double'.  */
-
-#  endif
 # else
 
 /* Wild guess at types for float_t and double_t. */
diff --git a/sysdeps/sh/sh4/bits/mathdef.h b/sysdeps/sh/sh4/bits/mathdef.h
index 2b8caf1943..5b92234983 100644
--- a/sysdeps/sh/sh4/bits/mathdef.h
+++ b/sysdeps/sh/sh4/bits/mathdef.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997, 1998, 1999, 2000, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2000, 2004, 2012
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,23 +32,13 @@
 # define _MATH_H_MATHDEF	1
 
 # ifdef __GNUC__
-#  if __STDC__ == 1
 
-/* In GNU or ANSI mode, gcc leaves `float' expressions as-is.  */
+/* gcc leaves `float' expressions as-is.  */
 typedef float float_t;		/* `float' expressions are evaluated as
 				   `float'.  */
 typedef double double_t;	/* `double' expressions are evaluated as
 				   `double'.  */
 
-#  else
-
-/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
-typedef double float_t;		/* `float' expressions are evaluated as
-				   `double'.  */
-typedef double double_t;	/* `double' expressions are evaluated as
-				   `double'.  */
-
-#  endif
 # else
 
 /* Wild guess at types for float_t and double_t. */
diff --git a/sysdeps/sparc/bits/mathdef.h b/sysdeps/sparc/bits/mathdef.h
index c8dcc9c93f..042c9c881b 100644
--- a/sysdeps/sparc/bits/mathdef.h
+++ b/sysdeps/sparc/bits/mathdef.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 1999, 2000, 2004, 2006
+/* Copyright (C) 1997, 1998, 1999, 2000, 2004, 2006, 2012
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -30,19 +30,11 @@
 # define _MATH_H_MATHDEF	1
 
 # ifdef __GNUC__
-#  if __STDC__ == 1
 
-/* In GNU or ANSI mode, gcc leaves `float' expressions as-is.  */
+/* gcc leaves `float' expressions as-is.  */
 typedef float float_t;
 typedef double double_t;
 
-#  else
-
-/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
-typedef double float_t;
-typedef double double_t;
-
-#  endif
 # else
 
 /* Wild guess at types for float_t and double_t. */