From 7e4c259bc4f5e1467bcce3d592849aba3a9db2e6 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Sat, 27 Mar 2021 17:39:47 -0400
Subject: build: Check for ceil() and floor()

---
diff --git a/configure.ac b/configure.ac
index 9d0cb98..379847e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -50,9 +50,15 @@ fi
 AC_SEARCH_LIBS([atan2], [m], [], [
 	AC_MSG_ERROR([required functions are missing])
 ])
+AC_SEARCH_LIBS([ceil], [m], [], [
+	AC_MSG_ERROR([required functions are missing])
+])
 AC_SEARCH_LIBS([cos], [m], [], [
 	AC_MSG_ERROR([required functions are missing])
 ])
+AC_SEARCH_LIBS([floor], [m], [], [
+	AC_MSG_ERROR([required functions are missing])
+])
 AC_SEARCH_LIBS([fmod], [m], [], [
 	AC_MSG_ERROR([required functions are missing])
 ])
--
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