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diff -u -r ../gcc-5.2.0/gcc/system.h ./gcc/system.h
--- ../gcc-5.2.0/gcc/system.h 2015-01-05 07:33:28.000000000 -0500
+++ ./gcc/system.h 2015-08-09 09:11:10.048889012 -0400
@@ -50,150 +50,6 @@
#define NULL 0
#endif
-/* Use the unlocked open routines from libiberty. */
-
-/* Some of these are #define on some systems, e.g. on AIX to redirect
- the names to 64bit capable functions for LARGE_FILES support. These
- redefs are pointless here so we can override them. */
-
-#undef fopen
-#undef freopen
-
-#define fopen(PATH, MODE) fopen_unlocked (PATH, MODE)
-#define fdopen(FILDES, MODE) fdopen_unlocked (FILDES, MODE)
-#define freopen(PATH, MODE, STREAM) freopen_unlocked (PATH, MODE, STREAM)
-
-/* The compiler is not a multi-threaded application and therefore we
- do not have to use the locking functions. In fact, using the locking
- functions can cause the compiler to be significantly slower under
- I/O bound conditions (such as -g -O0 on very large source files).
-
- HAVE_DECL_PUTC_UNLOCKED actually indicates whether or not the stdio
- code is multi-thread safe by default. If it is set to 0, then do
- not worry about using the _unlocked functions.
-
- fputs_unlocked, fwrite_unlocked, and fprintf_unlocked are
- extensions and need to be prototyped by hand (since we do not
- define _GNU_SOURCE). */
-
-#if defined HAVE_DECL_PUTC_UNLOCKED && HAVE_DECL_PUTC_UNLOCKED
-
-# ifdef HAVE_PUTC_UNLOCKED
-# undef putc
-# define putc(C, Stream) putc_unlocked (C, Stream)
-# endif
-# ifdef HAVE_PUTCHAR_UNLOCKED
-# undef putchar
-# define putchar(C) putchar_unlocked (C)
-# endif
-# ifdef HAVE_GETC_UNLOCKED
-# undef getc
-# define getc(Stream) getc_unlocked (Stream)
-# endif
-# ifdef HAVE_GETCHAR_UNLOCKED
-# undef getchar
-# define getchar() getchar_unlocked ()
-# endif
-# ifdef HAVE_FPUTC_UNLOCKED
-# undef fputc
-# define fputc(C, Stream) fputc_unlocked (C, Stream)
-# endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-# ifdef HAVE_CLEARERR_UNLOCKED
-# undef clearerr
-# define clearerr(Stream) clearerr_unlocked (Stream)
-# if defined (HAVE_DECL_CLEARERR_UNLOCKED) && !HAVE_DECL_CLEARERR_UNLOCKED
-extern void clearerr_unlocked (FILE *);
-# endif
-# endif
-# ifdef HAVE_FEOF_UNLOCKED
-# undef feof
-# define feof(Stream) feof_unlocked (Stream)
-# if defined (HAVE_DECL_FEOF_UNLOCKED) && !HAVE_DECL_FEOF_UNLOCKED
-extern int feof_unlocked (FILE *);
-# endif
-# endif
-# ifdef HAVE_FILENO_UNLOCKED
-# undef fileno
-# define fileno(Stream) fileno_unlocked (Stream)
-# if defined (HAVE_DECL_FILENO_UNLOCKED) && !HAVE_DECL_FILENO_UNLOCKED
-extern int fileno_unlocked (FILE *);
-# endif
-# endif
-# ifdef HAVE_FFLUSH_UNLOCKED
-# undef fflush
-# define fflush(Stream) fflush_unlocked (Stream)
-# if defined (HAVE_DECL_FFLUSH_UNLOCKED) && !HAVE_DECL_FFLUSH_UNLOCKED
-extern int fflush_unlocked (FILE *);
-# endif
-# endif
-# ifdef HAVE_FGETC_UNLOCKED
-# undef fgetc
-# define fgetc(Stream) fgetc_unlocked (Stream)
-# if defined (HAVE_DECL_FGETC_UNLOCKED) && !HAVE_DECL_FGETC_UNLOCKED
-extern int fgetc_unlocked (FILE *);
-# endif
-# endif
-# ifdef HAVE_FGETS_UNLOCKED
-# undef fgets
-# define fgets(S, n, Stream) fgets_unlocked (S, n, Stream)
-# if defined (HAVE_DECL_FGETS_UNLOCKED) && !HAVE_DECL_FGETS_UNLOCKED
-extern char *fgets_unlocked (char *, int, FILE *);
-# endif
-# endif
-# ifdef HAVE_FPUTS_UNLOCKED
-# undef fputs
-# define fputs(String, Stream) fputs_unlocked (String, Stream)
-# if defined (HAVE_DECL_FPUTS_UNLOCKED) && !HAVE_DECL_FPUTS_UNLOCKED
-extern int fputs_unlocked (const char *, FILE *);
-# endif
-# endif
-# ifdef HAVE_FERROR_UNLOCKED
-# undef ferror
-# define ferror(Stream) ferror_unlocked (Stream)
-# if defined (HAVE_DECL_FERROR_UNLOCKED) && !HAVE_DECL_FERROR_UNLOCKED
-extern int ferror_unlocked (FILE *);
-# endif
-# endif
-# ifdef HAVE_FREAD_UNLOCKED
-# undef fread
-# define fread(Ptr, Size, N, Stream) fread_unlocked (Ptr, Size, N, Stream)
-# if defined (HAVE_DECL_FREAD_UNLOCKED) && !HAVE_DECL_FREAD_UNLOCKED
-extern size_t fread_unlocked (void *, size_t, size_t, FILE *);
-# endif
-# endif
-# ifdef HAVE_FWRITE_UNLOCKED
-# undef fwrite
-# define fwrite(Ptr, Size, N, Stream) fwrite_unlocked (Ptr, Size, N, Stream)
-# if defined (HAVE_DECL_FWRITE_UNLOCKED) && !HAVE_DECL_FWRITE_UNLOCKED
-extern size_t fwrite_unlocked (const void *, size_t, size_t, FILE *);
-# endif
-# endif
-# ifdef HAVE_FPRINTF_UNLOCKED
-# undef fprintf
-/* We can't use a function-like macro here because we don't know if
- we have varargs macros. */
-# define fprintf fprintf_unlocked
-# if defined (HAVE_DECL_FPRINTF_UNLOCKED) && !HAVE_DECL_FPRINTF_UNLOCKED
-extern int fprintf_unlocked (FILE *, const char *, ...);
-# endif
-# endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
-
-/* ??? Glibc's fwrite/fread_unlocked macros cause
- "warning: signed and unsigned type in conditional expression". */
-#undef fread_unlocked
-#undef fwrite_unlocked
-
/* Include <string> before "safe-ctype.h" to avoid GCC poisoning
the ctype macros through safe-ctype.h */