Can’t find Taglib — but it’s there

Compiling Kodi.

Code:
$ ./configure
.
.
.
checking for PCRECPP... yes
checking for PCRE... yes
checking for FREETYPE2... yes
checking for TAGLIB... no
configure: error: Could not find a required library. Please see the README for your platform.

So,

Code:
$ sudo apt-get install libtag1-dev libtag1-doc libtag1v5 libtag1v5-vanilla libtagc0 libtagc0-dev
Reading package lists... Done
Building dependency tree      
Reading state information... Done
libtag1-dev is already the newest version (1.9.1-2.4ubuntu1).
libtag1v5 is already the newest version (1.9.1-2.4ubuntu1).
libtag1v5 set to manually installed.
libtag1v5-vanilla is already the newest version (1.9.1-2.4ubuntu1).
libtag1v5-vanilla set to manually installed.
The following package was automatically installed and is no longer required:
  libcec4
Use 'sudo apt autoremove' to remove it.
The following NEW packages will be installed:
  libtag1-doc libtagc0 libtagc0-dev
0 upgraded, 3 newly installed, 0 to remove and 2 not upgraded.
3 not fully installed or removed.
Need to get 0 B/8,565 kB of archives.
After this operation, 19.7 MB of additional disk space will be used.
Do you want to continue? [Y/n]
Selecting previously unselected package libtag1-doc.
(Reading database ... 1537334 files and directories currently installed.)
Preparing to unpack .../libtag1-doc_1.9.1-2.4ubuntu1_all.deb ...
Unpacking libtag1-doc (1.9.1-2.4ubuntu1) ...
Selecting previously unselected package libtagc0:amd64.
Preparing to unpack .../libtagc0_1.9.1-2.4ubuntu1_amd64.deb ...
Unpacking libtagc0:amd64 (1.9.1-2.4ubuntu1) ...
Selecting previously unselected package libtagc0-dev.
Preparing to unpack .../libtagc0-dev_1.9.1-2.4ubuntu1_amd64.deb ...
Unpacking libtagc0-dev (1.9.1-2.4ubuntu1) ...
Processing triggers for doc-base (0.10.7) ...
Processing 1 added doc-base file...
Setting up libtag1v5-vanilla:amd64 (1.9.1-2.4ubuntu1) ...
Setting up libtag1v5:amd64 (1.9.1-2.4ubuntu1) ...
Setting up libtag1-dev (1.9.1-2.4ubuntu1) ...
Setting up libtag1-doc (1.9.1-2.4ubuntu1) ...
Setting up libtagc0:amd64 (1.9.1-2.4ubuntu1) ...
Setting up libtagc0-dev (1.9.1-2.4ubuntu1) ...
Processing triggers for libc-bin (2.23-0ubuntu9) ...

One would think this whole problem is resolved, but

Code:
$ ./configure
.
.
.
checking for PCRECPP... yes
checking for PCRE... yes
checking for FREETYPE2... yes
checking for TAGLIB... no
configure: error: Could not find a required library. Please see the README for your platform.

Exact same error. Anyone have any ideas.

My taglib setup might be a bit messed up (I originally built it from source long ago and I’m not sure the uninstall was done correctly) but not sure how the above can be happening…