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-rw-r--r--configure.ac2
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 234e27a..cfa77ad 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,6 +11,8 @@ dnl Checks for programs.
AC_PROG_CXX
LT_INIT
+AC_CHECK_LIB([m], [sin])
+
dnl soname version to use
dnl goes by ‘current[:revision[:age]]’ with the soname ending up as
dnl current.age.revision