gcc/ChangeLog ---------------------------------------------------------

[gcc.git] / gcc / doc / cpp.texi

diff --git a/gcc/doc/cpp.texi b/gcc/doc/cpp.texi
index e69394298e6dba8b9baa94ecd0671e3dc7eea560..39bafe6becdd5552528a180f9c9662ad2510aa94 100644 (file)
--- a/gcc/doc/cpp.texi
+++ b/gcc/doc/cpp.texi
@@ -50,7 +50,7 @@ This manual contains no Invariant Sections.  The Front-Cover Texts are
 @set cppmanual
 
 @ifinfo
-@dircategory Programming
+@dircategory Software development
 @direntry
 * Cpp: (cpp).                 The GNU C preprocessor.
 @end direntry
@@ -58,9 +58,8 @@ This manual contains no Invariant Sections.  The Front-Cover Texts are
 
 @titlepage
 @title The C Preprocessor
-@subtitle for GCC version @value{version-GCC}
-@author Richard M. Stallman
-@author Zachary Weinberg
+@versionsubtitle
+@author Richard M. Stallman, Zachary Weinberg
 @page
 @c There is a fill at the bottom of the page, so we need a filll to
 @c override it.
@@ -251,12 +250,8 @@ processing.  That set is what the C standard calls the @dfn{source}
 character set.  It must be isomorphic with ISO 10646, also known as
 Unicode.  CPP uses the UTF-8 encoding of Unicode.
 
-At present, GNU CPP does not implement conversion from arbitrary file
-encodings to the source character set.  Use of any encoding other than
-plain ASCII or UTF-8, except in comments, will cause errors.  Use of
-encodings that are not strict supersets of ASCII, such as Shift JIS,
-may cause errors even if non-ASCII characters appear only in comments.
-We plan to fix this in the near future.
+The character sets of the input files are specified using the
+@option{-finput-charset=} option.
 
 All preprocessing work (the subject of the rest of this manual) is
 carried out in the source character set.  If you request textual
@@ -2083,6 +2078,23 @@ respectively.  They exist to make the standard header given numerical limits
 work correctly.  You should not use these macros directly; instead, include
 the appropriate headers.
 
+@item __SIZEOF_INT__
+@itemx __SIZEOF_LONG__
+@itemx __SIZEOF_LONG_LONG__
+@itemx __SIZEOF_SHORT__
+@itemx __SIZEOF_POINTER__
+@itemx __SIZEOF_FLOAT__
+@itemx __SIZEOF_DOUBLE__
+@itemx __SIZEOF_LONG_DOUBLE__
+@itemx __SIZEOF_SIZE_T__
+@itemx __SIZEOF_WCHAR_T__
+@itemx __SIZEOF_WINT_T__
+@itemx __SIZEOF_PTRDIFF_T__
+Defined to the number of bytes of the C standard data types: @code{int},
+@code{long}, @code{long long}, @code{short}, @code{void *}, @code{float},
+@code{double}, @code{long double}, @code{size_t}, @code{wchar_t}, @code{wint_t}
+and @code{ptrdiff_t}.
+
 @item __DEPRECATED
 This macro is defined, with value 1, when compiling a C++ source file
 with warnings about deprecated constructs enabled.  These warnings are
@@ -2098,6 +2110,13 @@ This macro is defined, with value 1, if the compiler uses the old
 mechanism based on @code{setjmp} and @code{longjmp} for exception
 handling.
 
+@item __GXX_EXPERIMENTAL_CXX0X__
+This macro is defined when compiling a C++ source file with the option
+@option{-std=c++0x} or @option{-std=gnu++0x}. It indicates that some
+features likely to be included in C++0x are available. Note that these
+features are experimental, and may change or be removed in future
+versions of GCC.
+
 @item __GXX_WEAK__
 This macro is defined when compiling a C++ source file.  It has the
 value 1 if the compiler will use weak symbols, COMDAT sections, or
@@ -3796,7 +3815,7 @@ execution character set.
 
 Currently, CPP requires its input to be ASCII or UTF-8.  The execution
 character set may be controlled by the user, with the
-@option{-ftarget-charset} and @option{-ftarget-wide-charset} options.
+@option{-fexec-charset} and @option{-fwide-exec-charset} options.
 
 @item Identifier characters.
 @anchor{Identifier characters}