Mercurial > hg > octave-nkf > gnulib-hg
changeset 14873:722fb7942bc8
gnulib-common.m4: add _GL_ATTRIBUTE_CONST and _GL_ATTRIBUTE_PURE
* m4/gnulib-common.m4 (gl_COMMON): Emit definitions of
_GL_ATTRIBUTE_CONST and _GL_ATTRIBUTE_PURE.
author | Jim Meyering <meyering@redhat.com> |
---|---|
date | Sun, 24 Apr 2011 19:00:18 +0200 |
parents | dcccd3e763ae |
children | 344b70fb76a2 |
files | ChangeLog m4/gnulib-common.m4 |
diffstat | 2 files changed, 21 insertions(+), 1 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2011-06-06 Jim Meyering <meyering@redhat.com> + + gnulib-common.m4: add _GL_ATTRIBUTE_CONST and _GL_ATTRIBUTE_PURE + * m4/gnulib-common.m4 (gl_COMMON): Emit definitions of + _GL_ATTRIBUTE_CONST and _GL_ATTRIBUTE_PURE. + 2011-06-05 Bruno Haible <bruno@clisp.org> ansi-c++-opt: Interoperability with libtool.
--- a/m4/gnulib-common.m4 +++ b/m4/gnulib-common.m4 @@ -1,4 +1,4 @@ -# gnulib-common.m4 serial 24 +# gnulib-common.m4 serial 25 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -34,6 +34,20 @@ /* The name _UNUSED_PARAMETER_ is an earlier spelling, although the name is a misnomer outside of parameter lists. */ #define _UNUSED_PARAMETER_ _GL_UNUSED + +/* The __pure__ attribute was added in gcc 2.96. */ +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) +# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) +#else +# define _GL_ATTRIBUTE_PURE /* empty */ +#endif + +/* The __const__ attribute was added in gcc 2.95. */ +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) +# define _GL_ATTRIBUTE_CONST __attribute__ ((__const__)) +#else +# define _GL_ATTRIBUTE_CONST /* empty */ +#endif ]) dnl Preparation for running test programs: dnl Tell glibc to write diagnostics from -D_FORTIFY_SOURCE=2 to stderr, not