diff --git a/configure.ac b/configure.ac
index 07338e7518..556efe692c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -539,7 +539,7 @@ then
     gcc_cflags="-O3 "
 fi
 gcc_cflags="$gcc_cflags-pedantic -std=c11"
-gcc_warnings="-Werror=implicit-function-declaration -Wall -Wno-stringop-overread -Wno-stringop-overflow"
+gcc_warnings="-Werror=implicit-function-declaration -Werror=newline-eof -Wall -Wno-stringop-overread -Wno-stringop-overflow"
 
 dnl We only try to provide specifics for those systems that currently supports
 dnl our assembly routines. If more combinations are wished for than what is