From 3caf906c9a7cf87a72225994ae404fa2e384b16e Mon Sep 17 00:00:00 2001
From: Luca Deri <deri@ntop.org>
Date: Sat, 23 May 2015 07:15:24 +0200
Subject: Fixes to catch missing GNU tools

---
 configure.ac | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 598c0a22b..c85c0c38c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -57,12 +57,16 @@ else
    fi
 fi
 
+PKG_CONFIG=$(which pkg-config)
+
 if test -d /usr/local/include/json-c/; then :
      CFLAGS="$CFLAGS -I/usr/local/include/json-c/"
      LDFLAGS="$LDFLAGS -L/usr/local/lib -ljson-c"
 else
-     CFLAGS="$CFLAGS $(pkg-config --cflags json-c)"
-     LDFLAGS="$LDFLAGS $(pkg-config --libs json-c)"
+     if ! test -z "$PKG_CONFIG"; then :
+       CFLAGS="$CFLAGS $(pkg-config --cflags json-c)"
+       LDFLAGS="$LDFLAGS $(pkg-config --libs json-c)"
+     fi
 fi
 
 OLD_LIBS=$LIBS
-- 
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