build: Detect blocks C language extension and add it as VDA dependency
authorDiego Biurrun <diego@biurrun.de>
Wed, 25 Jan 2017 17:40:51 +0000 (18:40 +0100)
committerDiego Biurrun <diego@biurrun.de>
Thu, 26 Jan 2017 10:53:02 +0000 (11:53 +0100)
commit6151e9128ce2a84a443c82b78f5b5cb364ba2ab4
tree36e2d064f3c1fe6fabcd6b828c8ee0d0777b221f
parentf96d07f4ec4193fb5293d7ac8f1324aac3c3ea07
build: Detect blocks C language extension and add it as VDA dependency

Newer versions of OS X use the blocks extension in VDA-related headers.
Some compilers, like current gcc, do not support the blocks extension
and fail to compile code using those headers.
configure