diff --git a/Makefile.am b/Makefile.am
index b602da0..a920f19 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,5 +1,3 @@
-# FIXME: dependencies are not built automatically without --enable-split-*
-
 include $(top_srcdir)/shared.am
 
 ACLOCAL_AMFLAGS = -I m4
@@ -20,6 +18,11 @@ if ENABLE_TESTS
 SUBDIRS += examples tests
 endif
 
+libc/libc.la:
+	$(MAKE) $(AM_MAKEFLAGS) -C $(top_builddir)/libc libc.la
+libm/libm.la:
+	$(MAKE) $(AM_MAKEFLAGS) -C $(top_builddir)/libm libm.la
+
 lib_LTLIBRARIES = libkernaux.la
 
 libkernaux_la_SOURCES = src/libc.h src/assert.c