2010-11-22 Basile Starynkevitch <basile@starynkevitch.net>

	MELT branch merged with trunk rev 167021

2010-11-22  Basile Starynkevitch  <basile@starynkevitch.net>
	* melt-runtime.c: replaced strerror by xstrerror everywhere, while
	merging with trunk 167021.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@167023 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 36 insertions, 0 deletions

diff --git a/gcc/doc/options.texi b/gcc/doc/options.texi
index 3b844bb9eb6..8c5c6399316 100644
--- a/gcc/doc/options.texi
+++ b/gcc/doc/options.texi
@@ -52,6 +52,32 @@ for variables set in option handlers rather than referenced by
 @code{Var} properties.
 
 @item
+A variable record to define a variable used to store option
+information.  These records have two fields: the string
+@samp{TargetVariable}, and a declaration of the type and name of the
+variable, optionally with an initializer (but without any trailing
+@samp{;}).  @samp{TargetVariable} is a combination of @samp{Variable}
+and @samp{TargetSave} records in that the variable is defined in the
+@code{gcc_options} structure, but these variables are also stored in
+the @code{cl_target_option} structure.  The variables are saved in the
+target save code and restored in the target restore code.
+
+@item
+A variable record to record any additional files that the
+@file{options.h} file should include.  This is useful to provide
+enumeration or structure definitions needed for target variables.
+These records have two fields: the string @samp{HeaderInclude} and the
+name of the include file.
+
+@item
+A variable record to record any additional files that the
+@file{options.c} file should include.  This is useful to provide
+inline functions needed for target variables and/or @code{#ifdef}
+sequences to properly set up the initialization.  These records have
+two fields: the string @samp{SourceInclude} and the name of the
+include file.
+
+@item
 An option definition record.  These records have the following fields:
 @enumerate
 @item
@@ -201,6 +227,12 @@ If the option takes an argument and has the @code{UInteger} property,
 @var{var} is an integer variable that stores the value of the argument.
 
 @item
+If the option has the @code{Defer} property, @var{var} is a pointer to
+a @code{VEC(cl_deferred_option,heap)} that stores the option for later
+processing.  (@var{var} is declared with type @code{void *} and needs
+to be cast to @code{VEC(cl_deferred_option,heap)} before use.)
+
+@item
 Otherwise, if the option takes an argument, @var{var} is a pointer to
 the argument string.  The pointer will be null if the argument is optional
 and wasn't given.
@@ -255,6 +287,10 @@ The main purpose of this property is to support synonymous options.
 The first option should use @samp{Mask(@var{name})} and the others
 should use @samp{Mask(@var{name}) MaskExists}.
 
+@item Defer
+The option should be stored in a vector, specified with @code{Var},
+for later processing.
+
 @item Alias(@var{opt})
 @itemx Alias(@var{opt}, @var{arg})
 @itemx Alias(@var{opt}, @var{posarg}, @var{negarg})