configure: merge AC_CHECK_HEADERS calls
authorMax Horn <max@quendi.de>
Wed, 12 Dec 2012 20:33:54 +0000 (21:33 +0100)
committerErik de Castro Lopo <erikd@mega-nerd.com>
Wed, 12 Dec 2012 21:12:43 +0000 (08:12 +1100)
commit21f68f4fadf3143b0d5482473cfddeb09f70db44
treee3e20ed1e66258ca0c3f76e501efb006539034d6
parentcdcb88bdc9c3674901d5416c095fc0241e28ea5b
configure: merge AC_CHECK_HEADERS calls

Also removed some pointless AC_SUBST invocation, which would only be
necessary if the Makefiles were using the results of the header
detection, which they are not.

Signed-off-by: Max Horn <max@quendi.de>
configure.ac