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| author | Joseph Myers <jsm@polyomino.org.uk> | 2004-09-24 21:29:55 +0100 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2004-09-24 21:29:55 +0100 |
| commit | 2fbebc713bf06661a0181a47a096b8d2f5770453 (patch) | |
| tree | 51079aa2a53879384e57af97992d3bc6adb451e1 /gcc | |
| parent | 2e9522f436a2312555dc3d6fe81a991219e1cfc8 (diff) | |
| download | gcc-2fbebc713bf06661a0181a47a096b8d2f5770453.zip gcc-2fbebc713bf06661a0181a47a096b8d2f5770453.tar.gz gcc-2fbebc713bf06661a0181a47a096b8d2f5770453.tar.bz2 | |
re PR c/12802 (-fms-extensions documentation problem)
PR c/12802
* doc/extend.texi (Unnamed Fields): Remove "." from end of long
title. Document interaction with -fms-extensions.
* doc/invoke.texi (-fms-extensions): Refer to Unnamed Fields
section.
From-SVN: r88071
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/doc/extend.texi | 11 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 4 |
3 files changed, 22 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 52be184..ddfa56b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,13 @@ 2004-09-24 Joseph S. Myers <jsm@polyomino.org.uk> + PR c/12802 + * doc/extend.texi (Unnamed Fields): Remove "." from end of long + title. Document interaction with -fms-extensions. + * doc/invoke.texi (-fms-extensions): Refer to Unnamed Fields + section. + +2004-09-24 Joseph S. Myers <jsm@polyomino.org.uk> + PR c/12713 * doc/extend.texi: Document interaction of attribute noreturn and longjmp. diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index f7f52f1..ded154f 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -8308,7 +8308,7 @@ multiple @code{#pragma pack(@var{n})} instances and finalized by a single @end enumerate @node Unnamed Fields -@section Unnamed struct/union fields within structs/unions. +@section Unnamed struct/union fields within structs/unions @cindex struct @cindex union @@ -8348,6 +8348,15 @@ It is ambiguous which @code{a} is being referred to with @samp{foo.a}. Such constructs are not supported and must be avoided. In the future, such constructs may be detected and treated as compilation errors. +@opindex fms-extensions +Unless @option{-fms-extensions} is used, the unnamed field must be a +structure or union definition without a tag (for example, @samp{struct +@{ int a; @};}). If @option{-fms-extensions} is used, the field may +also be a definition with a tag such as @samp{struct foo @{ int a; +@};}, a reference to a previously defined structure or union such as +@samp{struct foo;}, or a reference to a @code{typedef} name for a +previously defined structure or union type. + @node Thread-Local @section Thread-Local Storage @cindex Thread-Local Storage diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index e86677d..33d7b98 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -1223,6 +1223,10 @@ freestanding and hosted environments. @opindex fms-extensions Accept some non-standard constructs used in Microsoft header files. +Some cases of unnamed fields in structures and unions are only +accepted with this option. @xref{Unnamed Fields,,Unnamed struct/union +fields within structs/unions}, for details. + @item -trigraphs @opindex trigraphs Support ISO C trigraphs. The @option{-ansi} option (and @option{-std} |