[pgpool-hackers: 2714] [PATCH] Support for libressl

[Sandino Araico Sánchez]

pgpool-II 3.7.1 fails compiling against libressl 6.3.

This patch makes pgpool-II 3.7.1 compile with no errors.

libtool: link: gcc -g -O2 -Wall -Wmissing-prototypes
-Wmissing-declarations -fno-strict-aliasing -o pgpool main/main.o
main/pool_globals.o main/pgpool_main.o main/health_check.o
config/pool_config.o config/pool_config_variables.o pcp_con/pcp_child.o
pcp_con/pcp_worker.o pcp_con/recovery.o auth/md5.o auth/pool_auth.o
auth/pool_passwd.o auth/pool_hba.o protocol/pool_proto2.o
protocol/child.o protocol/pool_process_query.o
protocol/pool_connection_pool.o protocol/pool_proto_modules.o
query_cache/pool_memqcache.o protocol/CommandComplete.o
context/pool_session_context.o context/pool_process_context.o
context/pool_query_context.o streaming_replication/pool_worker_child.o
rewrite/pool_timestamp.o rewrite/pool_lobj.o utils/pool_select_walker.o
utils/strlcpy.o utils/psprintf.o utils/pool_params.o utils/ps_status.o
utils/pool_shmem.o utils/pool_sema.o utils/pool_signal.o
utils/pool_path.o utils/pool_ip.o utils/pool_relcache.o
utils/pool_process_reporting.o utils/pool_ssl.o utils/pool_stream.o
utils/getopt_long.o utils/mmgr/mcxt.o utils/mmgr/aset.o
utils/error/elog.o utils/error/assert.o utils/pcp/pcp_stream.o
utils/regex_array.o utils/json_writer.o utils/json.o utils/statistics.o
parser/nodes.o  -L/usr/lib64/postgresql-9.5/lib64 -lpq
parser/libsql-parser.a watchdog/lib-watchdog.a -lpthread -lssl -lcrypto
-lcrypt -lresolv -lnsl -lm -Wl,-rpath
-Wl,/usr/lib64/postgresql-9.5/lib64 -Wl,-rpath -Wl,/usr/local/lib
main/main.o: In function `main':
/usr/src/pgpool-II-3.7.1/src/main/main.c:190: undefined reference to
`OPENSSL_init_ssl'
watchdog/lib-watchdog.a(wd_utils.o): In function `calculate_hmac_sha256':
/usr/src/pgpool-II-3.7.1/src/watchdog/wd_utils.c:158: undefined
reference to `HMAC_CTX_new'
/usr/src/pgpool-II-3.7.1/src/watchdog/wd_utils.c:159: undefined
reference to `HMAC_CTX_reset'
/usr/src/pgpool-II-3.7.1/src/watchdog/wd_utils.c:169: undefined
reference to `HMAC_CTX_reset'
/usr/src/pgpool-II-3.7.1/src/watchdog/wd_utils.c:170: undefined
reference to `HMAC_CTX_free'
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:748: pgpool] Error 1
make[2]: Leaving directory '/usr/src/pgpool-II-3.7.1/src'
make[1]: *** [Makefile:836: all-recursive] Error 1
make[1]: Leaving directory '/usr/src/pgpool-II-3.7.1/src'
make: *** [Makefile:413: all-recursive] Error 1

I have also submited this patch to Gentoo's bugzilla
https://bugs.gentoo.org/show_bug.cgi?id=646888

-- 
Sandino Araico Sánchez 
http://sandino.net

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