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-rw-r--r--tools/build/configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/build/configure.ac b/tools/build/configure.ac
index a677c998b8..884ed790ae 100644
--- a/tools/build/configure.ac
+++ b/tools/build/configure.ac
@@ -14,6 +14,7 @@ AM_INIT_AUTOMAKE([no-define foreign 1.7.2])
AM_MAINTAINER_MODE
AC_PROG_CC
+AC_CHECK_HEADERS
AC_CHECK_FUNCS(strerror strtol)
RTEMS_PATH_KSH