/lib/libpcre.so.0 does not exist

[mathog]

Anybody know why /lib/libpcre.so.0 does not exist on CentOS 7? The 32bit libraries are installed but it only has these:

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lrwxrwxrwx. 1 root root     18 Sep 14  2017 /lib/libpcre16.so -> libpcre16.so.0.2.0
lrwxrwxrwx. 1 root root     18 Sep 14  2017 /lib/libpcre16.so.0 -> libpcre16.so.0.2.0
-rwxr-xr-x. 1 root root 372876 Aug  1  2017 /lib/libpcre16.so.0.2.0
lrwxrwxrwx. 1 root root     18 Sep 14  2017 /lib/libpcre32.so -> libpcre32.so.0.0.0
lrwxrwxrwx. 1 root root     18 Sep 14  2017 /lib/libpcre32.so.0 -> libpcre32.so.0.0.0
-rwxr-xr-x. 1 root root 356464 Aug  1  2017 /lib/libpcre32.so.0.0.0
lrwxrwxrwx. 1 root root     19 Sep 14  2017 /lib/libpcrecpp.so -> libpcrecpp.so.0.0.0
lrwxrwxrwx. 1 root root     19 Sep 14  2017 /lib/libpcrecpp.so.0 -> libpcrecpp.so.0.0.0
-rwxr-xr-x. 1 root root  35476 Aug  1  2017 /lib/libpcrecpp.so.0.0.0
lrwxrwxrwx. 1 root root     21 Sep 14  2017 /lib/libpcreposix.so -> libpcreposix.so.0.0.1
lrwxrwxrwx. 1 root root     21 Sep 14  2017 /lib/libpcreposix.so.0 -> libpcreposix.so.0.0.1
-rwxr-xr-x. 1 root root  10444 Aug  1  2017 /lib/libpcreposix.so.0.0.1
lrwxrwxrwx. 1 root root     16 Sep 14  2017 /lib/libpcre.so -> libpcre.so.1.2.0
lrwxrwxrwx. 1 root root     16 Sep 14  2017 /lib/libpcre.so.1 -> libpcre.so.1.2.0
-rwxr-xr-x. 1 root root 409740 Aug  1  2017 /lib/libpcre.so.1.2.0

So as root I did:

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cd /lib; ln -s libpcre.so.1.2.0 libpcre.so.0

and then a 32 bit binary which needed it could find the library.

[chemal]

Anybody know why /lib/libpcre.so.0 does not exist on CentOS 7?

Because the SONAME of the library shipped with CentOS 7 is libpcre.so.1, not libpcre.so.0.

Your link is incorrect, but you may be lucky, and your non-centos binary will run with it.