configure: add a -lstdc++ flag to the some external library checks
authorJames Almer <jamrial@gmail.com>
Fri, 13 Oct 2017 18:16:55 +0000 (15:16 -0300)
committerJames Almer <jamrial@gmail.com>
Fri, 13 Oct 2017 22:49:56 +0000 (19:49 -0300)
commit854c4e974db9addffdda6441367f969b42683123
treec20cf98b4996146c06fd1d5e43771c206590815e
parentfeed201849b8f9153ba815ade39329cd10a36623
configure: add a -lstdc++ flag to the some external library checks

Two of them are missing it in their pkg-config file, so adding it
here is a workaround until said pkg-config files are fixed.

Debugged with the help of Reino Wijnsma.

Signed-off-by: James Almer <jamrial@gmail.com>
configure