From fe092b78d8777040061ce6e0387329ab97b082fe Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Tue, 30 Jul 2019 03:30:12 -0400
Subject: build: Unconditionally harden timing

---
diff --git a/configure.ac b/configure.ac
index 567efaf..7d32979 100644
--- a/configure.ac
+++ b/configure.ac
@@ -85,10 +85,8 @@ if test "x${address_sanitization}" = 'xyes'; then
 	AC_SUBST([ASAN_CFLAGS])
 fi
 
-AX_CHECK_COMPILE_FLAG([-DTFM_TIMING_RESISTANT],
-	[AX_APPEND_FLAG([-DTFM_TIMING_RESISTANT])])
-AX_CHECK_COMPILE_FLAG([-DECC_TIMING_RESISTANT],
-	[AX_APPEND_FLAG([-DECC_TIMING_RESISTANT])])
+AX_APPEND_FLAG([-DTFM_TIMING_RESISTANT])
+AX_APPEND_FLAG([-DECC_TIMING_RESISTANT])
 
 AX_CHECK_COMPILE_FLAG([-Os], [AX_APPEND_FLAG([-Os])])
 
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