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| author | Bruno Haible <bruno@clisp.org> | 2020-05-09 12:50:57 +0200 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2020-05-09 12:50:57 +0200 |
| commit | dae13c0c738762e9522b100868364bd08a080321 (patch) | |
| tree | e5f0a20070489dfc8ae24434952dce0ffe8bdc45 /lib/string.in.h | |
| parent | 0026bb83b67abedfcaf765f3a62bd583611c6b56 (diff) | |
| download | gnulib-dae13c0c738762e9522b100868364bd08a080321.tar.gz | |
dirent, stdlib, wchar, string: Don't redefine _GL_ATTRIBUTE_PURE.
* lib/dirent.in.h (_GL_ATTRIBUTE_PURE): Don't override the definition
that usually comes from m4/gnulib-common.m4.
* lib/stdlib.in.h (_GL_ATTRIBUTE_PURE): Likewise.
* lib/string.in.h (_GL_ATTRIBUTE_PURE): Likewise.
* lib/wchar.in.h (_GL_ATTRIBUTE_PURE): Likewise.
Diffstat (limited to 'lib/string.in.h')
| -rw-r--r-- | lib/string.in.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/string.in.h b/lib/string.in.h index 87155ca3f4..d601450315 100644 --- a/lib/string.in.h +++ b/lib/string.in.h @@ -54,10 +54,12 @@ /* The __attribute__ feature is available in gcc versions 2.5 and later. The attribute __pure__ 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 */ +#ifndef _GL_ATTRIBUTE_PURE +# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) +# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) +# else +# define _GL_ATTRIBUTE_PURE /* empty */ +# endif #endif /* NetBSD 5.0 declares strsignal in <unistd.h>, not in <string.h>. */ |