AM_CONDITIONAL([WIN32], [test -z "${host_os##mingw*}" || test -z "${host_os##cygwin*}"])
+# Initialize pkg-config.
+# We require at least 0.22, as "Requires.private" behaviour changed there.
+PKG_PROG_PKG_CONFIG
+
############################
## Package dependencies ##
############################
AC_SYS_LARGEFILE
+AC_C_BIGENDIAN
+
##############################
## Finalize configuration ##
##############################