From 5f548bf0e5878104ab3157730829fd23211fe0c3 Mon Sep 17 00:00:00 2001
From: Michael Tremer <michael.tremer@ipfire.org>
Date: Tue, 28 Nov 2017 22:38:48 +0100
Subject: [PATCH] configure: Check for functions and headers that we use

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure.ac b/configure.ac
index 15127165c..ad051e32e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -113,15 +113,19 @@ AC_CHECK_LIB([m], [round])
 
 AC_CHECK_HEADERS([ \
 	assert.h \
+	ctypes.h \
 	math.h \
+	stdarg.h \
 	stdlib.h \
 	string.h \
+	syslog.h \
 	sys/stat.h \
 	unistd.h
 ])
 
 AC_CHECK_FUNCS([ \
 	assert \
+	secure_getenv \
 	strcmp \
 	strdup
 ])
-- 
2.39.5