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-rw-r--r--tools/build/configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/build/configure.ac b/tools/build/configure.ac
index 0d8b2a2e4c..616b28cc0b 100644
--- a/tools/build/configure.ac
+++ b/tools/build/configure.ac
@@ -10,7 +10,7 @@ AM_MAINTAINER_MODE
AC_PROG_CC
AC_CHECK_HEADERS([getopt.h libgen.h])
-AC_CHECK_FUNCS(strerror strtol basename)
+AC_CHECK_FUNCS(strerror strtol basename strnlen)
RTEMS_PATH_KSH