From f9a90e4f8b40e7165f6a3bd42a94fbbe74105c51 Mon Sep 17 00:00:00 2001
From: Aqua-sama <aqua@iserlohn-fortress.net>
Date: Tue, 16 Oct 2018 20:44:58 +0200
Subject: buildconfig: don't overwrite install prefix by default

---
 cmake/VendorConfig.cmake | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'cmake/VendorConfig.cmake')

diff --git a/cmake/VendorConfig.cmake b/cmake/VendorConfig.cmake
index 42e72c8..1e12b33 100644
--- a/cmake/VendorConfig.cmake
+++ b/cmake/VendorConfig.cmake
@@ -24,7 +24,9 @@ set(CMAKE_CXX_FLAGS_DEBUG   "${CMAKE_CXX_FLAGS_DEBUG} ${CONFIG_CXX_FLAGS} ${CONF
 set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${CONFIG_CXX_FLAGS} ${CONFIG_CXX_FLAGS_RELEASE}")
 
 # Install paths
-set(CMAKE_INSTALL_PREFIX ${CONFIG_INSTALL_PREFIX})
+if(NOT CONFIG_INSTALL_PREFIX STREQUAL "")
+    set(CMAKE_INSTALL_PREFIX ${CONFIG_INSTALL_PREFIX})
+endif()
 
 ## Version information, used in src/version.h.in
 if (EXISTS "${PROJECT_SOURCE_DIR}/.git")
-- 
cgit v1.2.1