From 5d9a5c1c5dcfea92c00c224d1d074ec1a56df00d Mon Sep 17 00:00:00 2001
From: QC <qball@gmpclient.org>
Date: Sun, 20 Jan 2013 13:01:13 +0100
Subject: [PATCH] Check dependencies

---
 Makefile | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index fdf6f12f..2b65dde0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,20 @@
 CFLAGS?=-Wall -Os
-LDADD?=`pkg-config --cflags --libs x11 xinerama xft`
 PREFIX?=$(DESTDIR)/usr
 BINDIR?=$(PREFIX)/bin
 
+# Check deps.
+
+PKG_CONFIG?=$(shell which pkg-config)
+ifeq (${PKG_CONFIG},${EMPTY})
+$(error Failed to find pkg-config. Please install pkg-config)
+endif
+
+LDADD?=$(shell ${PKG_CONFIG} --cflags --libs x11 xinerama xft)
+
+ifeq (${LDADD},${EMPTY})
+$(error Failed to find the required dependencies: x11, xinerama, xft)
+endif
+
 all: normal
 
 normal: