From f4b82d7bc4c20da29c19b2eece602002bd5fe4af Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Tue, 5 Feb 2019 13:30:13 +0100
Subject: [PATCH] Include complex rather than complex.h in C++ contexts

to avoid name clashes e.g. with boost headers that use I as a generic placeholder.
Fixes #1992 as suggested by aprokop in that issue ticket.
---
 lapack-netlib/LAPACKE/include/lapacke.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lapack-netlib/LAPACKE/include/lapacke.h b/lapack-netlib/LAPACKE/include/lapacke.h
index 6ded78c..11740e1 100644
--- a/lapack-netlib/LAPACKE/include/lapacke.h
+++ b/lapack-netlib/LAPACKE/include/lapacke.h
@@ -86,7 +86,11 @@ lapack_complex_float lapack_make_complex_float( float re, float im );
 
 /* Complex type (double precision) */
 #ifndef lapack_complex_double
+#ifndef __cplusplus
 #include <complex.h>
+#else
+#include <complex>
+#endif
 #define lapack_complex_double   double _Complex
 #endif
 
-- 
2.7.4