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-rw-r--r--configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 9d71e95..9c27a7b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -56,6 +56,7 @@ if test x$ac_cv_func_strsep != xyes; then
fi
fi
+AC_SEARCH_LIBS([ceil], [m])
AC_CHECK_HEADER(endian.h, [ac_cv_have_endian_h="yes"], [ac_cv_have_endian_h="no"])
if test "x$ac_cv_have_endian_h" = "xno"; then