From 93d8f3a3504c1e92333524aa6aeca169c103166a Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Tue, 18 Dec 2018 20:58:28 +0100
Subject: cpp conversion: fix One-Definition-Rule violations

Defining struct pj_opaque with different definitions is a violation
of the C++ One-Definition-Rule. When using link-time optimizations, this
could break badly.
The solution adopted here is to wrap those structures into a C++
anonymous namespace so they are considered different
---
 src/PJ_sterea.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/PJ_sterea.cpp')

diff --git a/src/PJ_sterea.cpp b/src/PJ_sterea.cpp
index 4c2fe2a3..05a6e5e3 100644
--- a/src/PJ_sterea.cpp
+++ b/src/PJ_sterea.cpp
@@ -29,12 +29,14 @@
 #include "proj_math.h"
 
 
+namespace { // anonymous namespace
 struct pj_opaque {
     double phic0;
     double cosc0, sinc0;
     double R2;
     void *en;
 };
+} // anonymous namespace
 
 
 PROJ_HEAD(sterea, "Oblique Stereographic Alternative") "\n\tAzimuthal, Sph&Ell";
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