build: Prefer AC_CHECK_TYPE() over AC_LINK_IFELSE().
authorAndre Noll <maan@tuebingen.mpg.de>
Sat, 5 Aug 2017 16:01:41 +0000 (18:01 +0200)
committerAndre Noll <maan@tuebingen.mpg.de>
Sat, 12 Aug 2017 17:22:02 +0000 (19:22 +0200)
commit738d19a4cfb194479e9e0c4a474df6b62c57f4b4
tree2ad2223b25d05355c785640c68999f1613b3800b
parente0df7b89fb8a7e7b7164d036e437c9862d23989a
build: Prefer AC_CHECK_TYPE() over AC_LINK_IFELSE().

Both invocations of AC_LINK_IFELSE() check if a C structure is
defined. We don't need to run the linker for that, saving a few cycles
on Linux systems where both structures are defined.
configure.ac