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1986.1.1
by Monty Taylor
Distribute link-warning.h and distribute it with the right copyright header. |
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/*
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* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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1971.2.1
by kalebral at gmail
update files that did not have license or had incorrect license structure |
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*
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*/
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||
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815.1.3
by Monty Taylor
Added getopt workaround for broken solaris getopt. |
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/* GL_LINK_WARNING("literal string") arranges to emit the literal string as
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a linker warning on most glibc systems.
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We use a linker warning rather than a preprocessor warning, because
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#warning cannot be used inside macros. */
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1971.2.1
by kalebral at gmail
update files that did not have license or had incorrect license structure |
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815.1.3
by Monty Taylor
Added getopt workaround for broken solaris getopt. |
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#ifndef GL_LINK_WARNING
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/* This works on platforms with GNU ld and ELF object format.
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Testing __GLIBC__ is sufficient for asserting that GNU ld is in use.
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Testing __ELF__ guarantees the ELF object format.
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Testing __GNUC__ is necessary for the compound expression syntax. */
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# if defined __GLIBC__ && defined __ELF__ && defined __GNUC__
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# define GL_LINK_WARNING(message) \
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GL_LINK_WARNING1 (__FILE__, __LINE__, message)
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# define GL_LINK_WARNING1(file, line, message) \
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GL_LINK_WARNING2 (file, line, message) /* macroexpand file and line */ |
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# define GL_LINK_WARNING2(file, line, message) \
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GL_LINK_WARNING3 (file ":" #line ": warning: " message)
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# define GL_LINK_WARNING3(message) \
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({ static const char warning[sizeof (message)] \
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__attribute__ ((__unused__, \
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__section__ (".gnu.warning"), \
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__aligned__ (1))) \
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= message "\n"; \
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(void)0; \
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})
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# else
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# define GL_LINK_WARNING(message) ((void) 0)
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# endif
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#endif
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