m4_esyscmd([build-aux/git-version-gen .tarball-version]),
[bug-gzip@gnu.org])
-AC_CONFIG_SRCDIR(gzip.c)
-AC_CONFIG_AUX_DIR(build-aux)
+AC_CONFIG_SRCDIR([gzip.c])
+AC_CONFIG_AUX_DIR([build-aux])
+AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([lib/config.h:lib/config.hin])
-AM_INIT_AUTOMAKE([1.11 dist-xz color-tests parallel-tests])
+AM_INIT_AUTOMAKE([1.11 subdir-objects dist-xz color-tests parallel-tests])
AM_SILENT_RULES([yes]) # make --enable-silent-rules the default.
dnl POSIXCHECK is worthwhile for maintainers, but adds several seconds