From 0f6fe3e044519d15d1e54d3ef1088b5107bc21a9 Mon Sep 17 00:00:00 2001
From: "Rafael G. Martins" <rafael@rafaelmartins.eng.br>
Date: Tue, 3 Jan 2017 04:07:18 +0100
Subject: make: check for headers

---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index 0fdbf6a..8b3b44e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -103,6 +103,9 @@ AC_ARG_ENABLE([make-embedded], AS_HELP_STRING([--enable-make-embedded],
 AC_ARG_ENABLE([make], AS_HELP_STRING([--enable-make],
               [build blogc-make tool]))
 AS_IF([test "x$enable_make" = "xyes" -o "x$enable_make_embedded" = "xyes"], [
+  AC_CHECK_HEADERS([dirent.h fcntl.h libgen.h sys/stat.h sys/wait.h time.h unistd.h],, [
+    AC_MSG_ERROR([blogc-make tool requested but required headers not found])
+  ])
   AX_PTHREAD([], [
     AC_MSG_ERROR([blogc-make tool requested but pthread is not supported])
   ])
-- 
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