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Subject: Re: fio-f1480f9: AIX 6.1 build KO against gcc function overlap
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From: Jens Axboe <axboe@kernel.dk>
Message-ID: <5681C3ED.2000708@kernel.dk>
Date: Mon, 28 Dec 2015 16:21:17 -0700
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To: Thierry BERTAUD <tbertaud@conforama.fr>, "fio@vger.kernel.org" <fio@vger.kernel.org>
List-ID: <fio@vger.kernel.org>

On 12/28/2015 02:45 PM, Thierry BERTAUD wrote:
> Hello Fio Team,
>
> The 'send_file' function is defiined twice, so gcc doesn't like the same function with different signature.
> How can i fix this issue and build fio since send_file is used by a system library?
>
> Output from make:
> ---------------
> client.c:1488:12: error: conflicting types for 'send_file'
> static int send_file(struct fio_client *client, struct cmd_sendfile *pdu,
>              ^
> In file included from client.c:11:0:
> /usr/include/sys/socket.h:760:9: note: previous declaration of 'send_file' was here
> ssize_t send_file(int *, struct sf_parms *, uint_t);

I fixed this by renaming the function.

> Build output:
> # ./configure --disable-lex
> Operating system              AIX
> CPU                           ppc
> Big endian                    yes
> Compiler                      gcc
> Cross compile                 no
>
> Static build                  no
> Wordsize                      32
> zlib                          yes
> Linux AIO support             no
> POSIX AIO support             yes
> POSIX AIO support needs -lrt  no
> POSIX AIO fsync               yes
> Solaris AIO support           no
> __sync_fetch_and_add          no
> libverbs                      no
> rdmacm                        yes
> Linux fallocate               no
> POSIX fadvise                 yes
> POSIX fallocate               yes
> sched_setaffinity(3 arg)      no
> sched_setaffinity(2 arg)      no
> clock_gettime                 yes
> CLOCK_MONOTONIC               yes
> CLOCK_MONOTONIC_RAW           no
> CLOCK_MONOTONIC_PRECISE       no
> gettimeofday                  yes
> fdatasync                     yes
> sync_file_range               no
> EXT4 move extent              no
> Linux splice(2)               no
> GUASI                         no
> Fusion-io atomic engine       no
> libnuma                       no
> strsep                        yes
> strcasestr                    no
> strlcat                       no
> getopt_long_only()            no
> inet_aton                     yes
> socklen_t                     yes
> __thread                      yes
> RUSAGE_THREAD                 yes
> SCHED_IDLE                    no
> TCP_NODELAY                   yes
> Net engine window_size        yes
> TCP_MAXSEG                    yes
> RLIMIT_MEMLOCK                no
> pwritev/preadv                yes
> IPv6 helpers                  yes
> Rados Block Device engine     no
> setvbuf                       yes
> Gluster API engine            no
> s390_z196_facilities          no
> HDFS engine                   no
> MTD                           no
> lex/yacc for arithmetic       no
> getmntent                     yes
> getmntinfo                    no
> Static Assert                 yes
> bool                          yes
> #
> # gmake CC=gcc
> FIO_VERSION = fio-2.3
>      CC crc/crc64.o
>      CC crc/md5.o
>      CC crc/fnv.o
>      CC crc/sha256.o
>      CC crc/test.o
>      CC crc/xxhash.o
>      CC crc/crc32c-intel.o
>      CC crc/murmur3.o
>      CC crc/crc32.o
>      CC crc/crc32c.o
>      CC crc/sha1.o
>      CC crc/crc7.o
>      CC crc/sha512.o
>      CC crc/crc16.o
>      CC lib/gauss.o
>      CC lib/prio_tree.o
>      CC lib/axmap.o
>      CC lib/flist_sort.o
>      CC lib/hweight.o
>      CC lib/zipf.o
>      CC lib/getrusage.o
>      CC lib/output_buffer.o
>      CC lib/memalign.o
>      CC lib/lfsr.o
>      CC lib/bloom.o
>      CC lib/strntol.o
>      CC lib/num2str.o
>      CC lib/mountcheck.o
>      CC lib/pattern.o
> lib/pattern.c: In function 'parse_number':
> lib/pattern.c:77:3: warning: implicit declaration of function 'strcasestr' [-Wimplicit-function-declaration]
>     _end = strcasestr(beg, "0x");
>     ^
> lib/pattern.c:77:8: warning: assignment makes pointer from integer without a cast [enabled by default]
>     _end = strcasestr(beg, "0x");

Can you send the config.log file?


-- 
Jens Axboe