From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1791) id 24D4F3857C49; Fri, 11 Mar 2022 17:22:26 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 24D4F3857C49 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Adhemerval Zanella To: glibc-cvs@sourceware.org Subject: [glibc/azanella/clang] posix: Fix macro expansion producing 'defined' has undefined behavior X-Act-Checkin: glibc X-Git-Author: Adhemerval Zanella X-Git-Refname: refs/heads/azanella/clang X-Git-Oldrev: f15c801ee8381873f3ebc02f00385c6fb4c830b1 X-Git-Newrev: e52d9825610a83cb0c5569608b64cbbd253a6d8c Message-Id: <20220311172226.24D4F3857C49@sourceware.org> Date: Fri, 11 Mar 2022 17:22:26 +0000 (GMT) X-BeenThere: glibc-cvs@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Glibc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Mar 2022 17:22:26 -0000 https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e52d9825610a83cb0c5569608b64cbbd253a6d8c commit e52d9825610a83cb0c5569608b64cbbd253a6d8c Author: Adhemerval Zanella Date: Wed Mar 9 18:22:46 2022 -0300 posix: Fix macro expansion producing 'defined' has undefined behavior Diff: --- sysdeps/posix/sysconf.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/sysdeps/posix/sysconf.c b/sysdeps/posix/sysconf.c index f760bf4e2b..c29b70ad80 100644 --- a/sysdeps/posix/sysconf.c +++ b/sysdeps/posix/sysconf.c @@ -37,13 +37,17 @@ #define NEED_SPEC_ARRAY 0 #include -#define NEED_CHECK_SPEC \ - (!defined _XBS5_ILP32_OFF32 || !defined _XBS5_ILP32_OFFBIG \ +#if !defined _XBS5_ILP32_OFF32 || !defined _XBS5_ILP32_OFFBIG \ || !defined _XBS5_LP64_OFF64 || !defined _XBS5_LPBIG_OFFBIG \ || !defined _POSIX_V6_ILP32_OFF32 || !defined _POSIX_V6_ILP32_OFFBIG \ || !defined _POSIX_V6_LP64_OFF64 || !defined _POSIX_V6_LPBIG_OFFBIG \ || !defined _POSIX_V7_ILP32_OFF32 || !defined _POSIX_V7_ILP32_OFFBIG \ - || !defined _POSIX_V7_LP64_OFF64 || !defined _POSIX_V7_LPBIG_OFFBIG) + || !defined _POSIX_V7_LP64_OFF64 || !defined _POSIX_V7_LPBIG_OFFBIG +# define NEED_CHECK_SPEC 1 +#else +# define NEED_CHECK_SPEC 0 +#endif + #if NEED_CHECK_SPEC static long int __sysconf_check_spec (const char *spec); #endif