diff options
Diffstat (limited to 'build-aux/link-warning.h')
-rw-r--r-- | build-aux/link-warning.h | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/build-aux/link-warning.h b/build-aux/link-warning.h index fda01941a..7fefab778 100644 --- a/build-aux/link-warning.h +++ b/build-aux/link-warning.h @@ -1,3 +1,20 @@ +/* A C macro for emitting link time warnings. + Copyright (C) 1995, 1997, 2000, 2002-2003, 2007, 2009 Free Software + Foundation, Inc. + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published + by the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + /* GL_LINK_WARNING("literal string") arranges to emit the literal string as a linker warning on most glibc systems. We use a linker warning rather than a preprocessor warning, because @@ -15,12 +32,12 @@ # define GL_LINK_WARNING2(file, line, message) \ GL_LINK_WARNING3 (file ":" #line ": warning: " message) # define GL_LINK_WARNING3(message) \ - ({ static const char warning[sizeof (message)] \ - __attribute__ ((__unused__, \ - __section__ (".gnu.warning"), \ - __aligned__ (1))) \ - = message "\n"; \ - (void)0; \ + ({ static const char warning[sizeof (message)] \ + __attribute__ ((__unused__, \ + __section__ (".gnu.warning"), \ + __aligned__ (1))) \ + = message "\n"; \ + (void)0; \ }) # else # define GL_LINK_WARNING(message) ((void) 0) |