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There is no _POSIX_REGEX_VERSION, so don't check for it. Instead check for what actually exists, which is _REGEX_VERSION. I found this when trying to make the getconf environment variables typo-proof. * sysdeps/posix/sysconf.c (__sysconf): Check for and return _REGEX_VERSION and not _POSIX_REGEX_VERSION. --- sysdeps/posix/sysconf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sysdeps/posix/sysconf.c b/sysdeps/posix/sysconf.c index cd2fb5a..644f514 100644 --- a/sysdeps/posix/sysconf.c +++ b/sysdeps/posix/sysconf.c @@ -984,8 +984,8 @@ __sysconf (name) return -1; #endif case _SC_REGEX_VERSION: -#if _POSIX_REGEX_VERSION > 0 - return _POSIX_REGEX_VERSION; +#ifdef _REGEX_VERSION + return _REGEX_VERSION; #else return -1; #endif -- 1.9.3
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