1 files changed, 4 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 65ee23e..33217ad 100644
--- a/configure.ac
+++ b/configure.ac
@@ -129,6 +129,10 @@ AC_CHECK_FUNCS([ \
         vsnprintf \
 ])
 
+AC_CHECK_LIBM
+AC_SUBST(LIBM)
+LIBS="$LIBS $LIBM"
+
 dnl Windows requires the mingw-catgets library for the catgets function.
 AC_SEARCH_LIBS([catgets], [catgets], [], [])