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Diffstat (limited to 'build-aux/link-warning.h')
-rw-r--r-- | build-aux/link-warning.h | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/build-aux/link-warning.h b/build-aux/link-warning.h deleted file mode 100644 index 7fefab778..000000000 --- a/build-aux/link-warning.h +++ /dev/null @@ -1,45 +0,0 @@ -/* 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 - #warning cannot be used inside macros. */ -#ifndef GL_LINK_WARNING - /* This works on platforms with GNU ld and ELF object format. - Testing __GLIBC__ is sufficient for asserting that GNU ld is in use. - Testing __ELF__ guarantees the ELF object format. - Testing __GNUC__ is necessary for the compound expression syntax. */ -# if defined __GLIBC__ && defined __ELF__ && defined __GNUC__ -# define GL_LINK_WARNING(message) \ - GL_LINK_WARNING1 (__FILE__, __LINE__, message) -# define GL_LINK_WARNING1(file, line, message) \ - GL_LINK_WARNING2 (file, line, message) /* macroexpand file and line */ -# 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; \ - }) -# else -# define GL_LINK_WARNING(message) ((void) 0) -# endif -#endif |