configure: add pkg-config check for zlib
authorJan Ekström <jeebjp@gmail.com>
Sat, 5 May 2018 18:57:44 +0000 (21:57 +0300)
committerJan Ekström <jeebjp@gmail.com>
Sun, 6 May 2018 17:47:42 +0000 (20:47 +0300)
commit8d1263fa199ff6dcfc8f0cc94f15f3b429d0c276
treec07b3e166f18b97607e21bcd73245bdb9ca224ef
parentb995ec078f42bac95eda18fbd1b4387477b55d0d
configure: add pkg-config check for zlib

It exists, so why not use it? Helps one get rid of additional
search path related flags in addition to PKG_CONFIG_{PATH,LIBDIR}
when utilizing a cross-prefix separate from the sysroot.
configure