cannot compile mr8.5.12

[nicoonline]

rtpengine version the issue has been seen with

mr8.5.12

Used distribution and its version

Centos

Linux kernel version used

6

CPU architecture issue was seen on (see uname -m)

None

Expected behaviour you didn't see

No response

Unexpected behaviour you saw

control_tcp.o: In function control_tcp_free': /var/instapp/rtp-engine/rtp8.5/daemon/control_tcp.c:162: undefined reference to pcre_free_study'
control_udp.o: In function control_udp_free': /var/instapp/rtp-engine/rtp8.5/daemon/control_udp.c:139: undefined reference to pcre_free_study'
call_interfaces.strhash.o: In function call_interfaces_free': /var/instapp/rtp-engine/rtp8.5/daemon/call_interfaces.strhash.c:2383: undefined reference to pcre_free_study'
/var/instapp/rtp-engine/rtp8.5/daemon/call_interfaces.strhash.c:2388: undefined reference to pcre_free_study' auxlib.o: In function config_load':
/var/instapp/rtp-engine/rtp8.5/daemon/auxlib.c:257: undefined reference to g_option_context_parse_strv' collect2: ld returned 1 exit status make[2]: *** [rtpengine] Error 1 make[2]: Leaving directory /var/instapp/rtp-engine/rtp8.5/daemon'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/var/instapp/rtp-engine/rtp8.5/daemon'
make: *** [all] Error 2

Steps to reproduce the problem

make on rtpengine mr8.5

Additional program output to the terminal or logs illustrating the issue

No response

Anything else?

No response

[nicoonline]

pcre-7.8-7.el6.x86_64 installed.

[nicoonline]

upgraded to 8.45 and the issue is still there.

[root@proxy2 pcre-8.45]# pcretest
PCRE version 8.45 2021-06-15