pkg_modules="gobject-2.0 >= 2.0.0"
PKG_CHECK_MODULES(GOBJECT, [$pkg_modules])
-LIBS="$LIBS $GTK_LIBS $GOBJECT_LIBS $GMODULE_LIBS"
+LIBS="$LIBS $M_LIBS $GTK_LIBS $GOBJECT_LIBS $GMODULE_LIBS"
PACKAGE_CFLAGS="$GTK_CFLAGS $GOBJECT_CFLAGS $GMODULE_CFLAGS -Wall -Wformat"
MODULE_CFLAGS="$PACKAGE_CFLAGS -fvisibility=hidden"
MODULE_LDFLAGS="-module -avoid-version"
lttctlincludedir="${includedir}/liblttctl"
AC_SUBST([POPT_LIBS])
+AC_SUBST([M_LIBS])
AC_SUBST([UTIL_LIBS])
AC_SUBST(lttvlibdir)
AC_SUBST(lttvplugindir)