Since commit beceb14b450ded6560ed743634a5e80604a8edf3, MATH_LIBS is set to "-lm" when the isnan function is detected. In uClibc, however, isnan is a macro that calls __isnan, __isnanf, or __isnanl, depending on the size of the argument (double, float or long double). Fixes: http://autobuild.buildroot.net/results/2c2/2c29a78ed81ca844a87dcd076ab3e14ea080296d/ http://autobuild.buildroot.net/results/404/404b10f359b2ae8a7216729fa1bab37fed2d3d4c/ Signed-off-by: Carlos Santos <casantos@xxxxxxxxxxxxxx> --- configure.ac | 1 + 1 file changed, 1 insertion(+) diff --git a/configure.ac b/configure.ac index 3759921..3bb3ba8 100644 --- a/configure.ac +++ b/configure.ac @@ -435,6 +435,7 @@ AM_CONDITIONAL([HAVE_OPENAT], [test "x$have_openat" = xyes]) AC_CHECK_FUNCS([isnan], [], [AC_CHECK_LIB([m], [isnan], [MATH_LIBS="-lm"])] + [AC_CHECK_LIB([m], [__isnan], [MATH_LIBS="-lm"])] ) AC_SUBST([MATH_LIBS]) -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
