Hi,

I just tried to build using 
http://dl.fedoraproject.org/pub/epel/6/SRPMS/pdns-3.1-2.el6.src.rpm on 
CentOS 6.4 final (kernel: 2.6.32-358.2.1.el6.x86_64), but it failed when 
looking for ldap libs:

Note: I did not change anything in the original spec file.

    ...
    + ./configure --build=x86_64-redhat-linux-gnu
    --host=x86_64-redhat-linux-gnu --target=x86_64-redhat-linux-gnu
    --program-prefix= --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin
    --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share
    --includedir=/usr/include --libdir=/usr/lib64
    --libexecdir=/usr/libexec --localstatedir=/var
    --sharedstatedir=/var/lib --mandir=/usr/share/man
    --infodir=/usr/share/info --sysconfdir=/etc/pdns
    --libdir=/usr/lib64/pdns --disable-static --with-modules= --with-lua
    '--with-dynmodules= gmysql gpgsql pipe geo ldap gsqlite3'
    --enable-cryptopp
    ...
    checking for ldap_set_option in -lldap_r... no
    checking for ldap_set_option in -lldap... no
    configure: error: ldap library (libldap) not found

However, libldap exists at the required place (/usr/lib64):

$ ls -la /usr/lib64/ | grep ldap
drwxr-xr-x.   4 root root     4096 Mar 11 16:06 evolution-openldap
lrwxrwxrwx.   1 root root       10 Sep 21  2012 libldap-2.4.so.2 -> 
libldap.so
-rw-r--r--    1 root root   781914 Mar 20 15:57 libldapbackend.a
-rwxr-xr-x    1 root root     1151 Mar 20 15:57 libldapbackend.la
-rwxr-xr-x    1 root root   379419 Mar 20 15:57 libldapbackend.so
lrwxrwxrwx.   1 root root       12 Sep 21  2012 libldap_r-2.4.so.2 -> 
libldap_r.so
lrwxrwxrwx    1 root root       29 Mar 11 16:06 libldap_r.so -> 
/lib64/libldap_r-2.4.so.2.5.6
lrwxrwxrwx    1 root root       27 Mar 11 16:06 libldap.so -> 
/lib64/libldap-2.4.so.2.5.6
-rwxr-xr-x    1 root root    40320 Feb 22 09:49 libsmbldap.so.0

Here is the relevant part from config.log:

...
configure:17992: checking for ldap_set_option in -lldap_r
configure:18017: g++ -o conftest -D_GNU_SOURCE -O2 -g -pipe -Wall 
-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector 
--param=ssp-buffer-size=4 -m64 -mtune=generic -DLDAP_DEPRECATED -O2 -g 
-pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector 
--param=ssp-buffer-size=4 -m64 -mtune=generic  conftest.cpp -lldap_r   
-lz >&5
/usr/lib/gcc/x86_64-redhat-linux/4.4.7/../../../../lib64/libldap_r.so: 
undefined reference to `ber_sockbuf_io_udp'
collect2: ld returned 1 exit status
...
configure:18033: checking for ldap_set_option in -lldap
configure:18058: g++ -o conftest -D_GNU_SOURCE -O2 -g -pipe -Wall 
-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector 
--param=ssp-buffer-size=4 -m64 -mtune=generic -DLDAP_DEPRECATED -O2 -g 
-pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector 
--param=ssp-buffer-size=4 -m64 -mtune=generic  conftest.cpp -lldap   -lz >&5
/usr/lib/gcc/x86_64-redhat-linux/4.4.7/../../../../lib64/libldap.so: 
undefined reference to `ber_sockbuf_io_udp'
collect2: ld returned 1 exit status
....

Am I doing something wrong? Why it can't find the ldap libraries?

Please advise.

Thanks,
Nick
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