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.
7 years ago · 8d1263fa19
parent b995ec078f
commit 8d1263fa19
1 changed files with 2 additions and 1 deletions
--- a/3
+++ b/3
@ -5933,7 +5933,8 @@ if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
    fi
 fi

-enabled  zlib && check_lib zlib   zlib.h      zlibVersion    -lz
+enabled  zlib && { check_pkg_config zlib zlib "zlib.h" zlibVersion ||
+                   check_lib zlib   zlib.h      zlibVersion    -lz; }
 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion    -lbz2
 enabled  lzma && check_lib lzma   lzma.h lzma_version_number -llzma