From 26d417b9f981cf9a6df42d89fd297539b96180cb Mon Sep 17 00:00:00 2001
From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Date: Fri, 24 Apr 2020 18:03:31 +0200
Subject: [PATCH] CMakeLists.txt: fix CMAKE_BUILD_TYPE (#188)

The user is unable to override CMAKE_BUILD_TYPE since version 1.9.1 and
https://github.com/libspatialindex/libspatialindex/commit/e3bcccf38d9f100b59ccf29f7e1cfa174969decd

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
[Retrieved from:
https://github.com/libspatialindex/libspatialindex/commit/26d417b9f981cf9a6df42d89fd297539b96180cb]
---
 CMakeLists.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 191ac72..84676a2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -93,8 +93,10 @@ INCLUDE (CheckIncludeFiles)
 
 # note we default to RelWithDebInfo mode
 if(NOT MSVC_IDE)
+  if(NOT CMAKE_BUILD_TYPE)
   set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING
     "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel" FORCE)
+  endif()
   message(STATUS "Setting libspatialindex build type - ${CMAKE_BUILD_TYPE}")
 endif()