From d8ba7166c44fff433458d2ec7b0f4f01578455be Mon Sep 17 00:00:00 2001
From: Chocobo1 <Chocobo1@users.noreply.github.com>
Date: Tue, 1 Sep 2020 15:24:31 +0800
Subject: [PATCH] Fix include path for system installed eigen library

---
 Makefile | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 29b22415..4d115ef2 100644
--- a/Makefile
+++ b/Makefile
@@ -46,9 +46,11 @@ endif
 # Default to automatically installing EIGEN
 ifeq ($(EIGEN), install)
     EIGEN_CHECK = eigen/INSTALL
+    EIGEN_INCLUDE = -I./eigen/
 else
     # Use system-wide eigen
     EIGEN_CHECK =
+    EIGEN_INCLUDE ?=
 endif
 
 # Default to build and link the libhts submodule
@@ -82,9 +84,6 @@ endif
 # Include the header-only fast5 library
 FAST5_INCLUDE = -I./fast5/include
 
-# Include the header-only eigen library
-EIGEN_INCLUDE = -I./eigen/
-
 # Include the src subdirectories
 NP_INCLUDE = $(addprefix -I./, $(SUBDIRS))