--- configure.in
+++ configure.in
@@ -10,6 +10,11 @@
 AM_PROG_CC_STDC
 AC_HEADER_STDC
 
+dnl Check for libm for log10()
+AC_SEARCH_LIBS([log10], [m], [], [
+	AC_MSG_ERROR([unable to find the log10() function])
+])
+
 PKG_CHECK_MODULES(GTK, [gtk+-2.0 >= 2.0.0])
 PKG_CHECK_MODULES(JACK, [jack >= 0.80.0])
 PKG_CHECK_MODULES(LIBLO, liblo >= 0.24, LO_FOUND="yes", LO_FOUND="no")