[pgpool-hackers: 4448] Re: 4.5.1 build error against openldap 2.6.7

[Bo Peng]

Hi Devrim,

Thank you for reporting this issue.

I think these errors occur bacause Fedora uses
"-Werror=implicit-function-declaration" build option.

Since in the "ldap.h" use #if LDAP_DEPRECATED instead of #ifdef,
we should add LDAP_DEPRECATED for using deprecated ldap functions.

I will fix this issue and let you know.

Best regards,

On Fri, 26 Apr 2024 15:10:09 +0100
Devrim Gündüz <devrim at gunduz.org> wrote:

> 
> Hi,
> 
> I'm seeing these errors (apart from some other GCC warnings unrelated to
> this email) while building pgpool-II on Fedora 39 and Fedora 40. It
> builds fine on RHEL 9. The difference is the openldap versions: Fedora
> ships 2.6.7 where RHEL 9 ships 2.6.3. Any comments? 
> 
> Thanks! Devrim
> ======================================================
> gcc -DHAVE_CONFIG_H -DDEFAULT_CONFIGDIR=\"/etc/pgpool-II-pg16-extensions\" -DPGSQL_BIN_DIR=\"/usr/pgsql-16/bin\" -I. -I../src/include  -D_GNU_SOURCE -I /usr/pgsql-16/include   -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer  -Wall -Wmissing-prototypes -Wmissing-declarations -Wno-format-truncation -Wno-stringop-truncation -fno-strict-aliasing -c -o protocol/pool_connection_pool.o protocol/pool_connection_pool.c
> auth/pool_hba.c: In function ‘InitializeLDAPConnection’:
> auth/pool_hba.c:2611:17: error: implicit declaration of function ‘ldap_unbind’; did you mean ‘ldap_txn_end’? [-Wimplicit-function-declaration]
> 
> 
>  2611 |                 ldap_unbind(*ldap);
>       |                 ^~~~~~~~~~~
>       |                 ldap_txn_end
> auth/pool_hba.c: In function ‘CheckLDAPAuth’:
> auth/pool_hba.c:2779:21: error: implicit declaration of function ‘ldap_simple_bind_s’; did you mean ‘ldap_sasl_bind_s’? [-Wimplicit-function-declaration]
>  2779 |                 r = ldap_simple_bind_s(ldap,
>       |                     ^~~~~~~~~~~~~~~~~~
>       |                     ldap_sasl_bind_s
> auth/pool_hba.c:2803:21: error: implicit declaration of function ‘ldap_search_s’; did you mean ‘ldap_search_ext’? [-Wimplicit-function-declaration]
>  2803 |                 r = ldap_search_s(ldap,
>       |                     ^~~~~~~~~~~~~
>       |                     ldap_search_ext
> auth/pool_hba.c:2871:21: error: implicit declaration of function ‘ldap_unbind_s’; did you mean ‘ldap_unbind_ext’? [-Wimplicit-function-declaration]
>  2871 |                 r = ldap_unbind_s(ldap);
>       |                     ^~~~~~~~~~~~~
>       |                     ldap_unbind_ext
> make[3]: *** [Makefile:864: auth/pool_hba.o] Error 1
> 
> -- 
> Devrim Gündüz Open Source Solution Architect, PostgreSQL Major
> Contributor Twitter: @DevrimGunduz , @DevrimGunduzTR
>  * 
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> pgpool-hackers at pgpool.net
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-- 
Bo Peng <pengbo at sraoss.co.jp>
SRA OSS LLC
TEL: 03-5979-2701 FAX: 03-5979-2702
URL: https://www.sraoss.co.jp/