Commit e4e3ab5a by Nathan Sidwell Committed by Nathan Sidwell

* cpp.texi: Clarify #pragma GCC namespace.

From-SVN: r34676
parent 7e0f5a14
2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
* cpp.texi: Clarify #pragma GCC namespace.
2000-06-24 Philipp Thomas <pthomas@suse.de> 2000-06-24 Philipp Thomas <pthomas@suse.de>
* aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
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...@@ -2646,10 +2646,15 @@ some old C programs contain such lines. ...@@ -2646,10 +2646,15 @@ some old C programs contain such lines.
The ANSI standard specifies that the effect of the @samp{#pragma} The ANSI standard specifies that the effect of the @samp{#pragma}
directive is implementation-defined. The GNU C preprocessor recognizes directive is implementation-defined. The GNU C preprocessor recognizes
some pragmas, and passes unrecognized ones through to the preprocessor some pragmas, and passes unrecognized ones through to the preprocessor
output, so they are available to the compilation pass. GNU C preprocessor output, so they are available to the compilation pass.
pragmas are of the form @samp{#pragma GCC ...}. For backwards
compatibility previously supported pragmas are also recognized without In line with the C99 standard, which introduces a STDC namespace for
the @samp{GCC}, however that use is deprecated. C99 pragmas, the preprocessor introduces a GCC namespace for GCC
pragmas. Supported GCC preprocessor pragmas are of the form
@samp{#pragma GCC ...}. For backwards compatibility previously
supported pragmas are also recognized without the @samp{GCC} prefix,
however that use is deprecated. Pragmas that are already deprecated
are not recognized with a @samp{GCC} prefix.
@findex #ident @findex #ident
The @samp{#ident} directive is supported for compatibility with certain The @samp{#ident} directive is supported for compatibility with certain
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