From 8a837eeb606e7fe83ac240bd6e1c4997ccfbb6ec Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Thu, 13 May 2021 21:32:29 +0200
Subject: cmake/msvc: fix install prefix init

---
 cmake/msvc.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/msvc.cmake b/cmake/msvc.cmake
index f810ac4d..cd967dd9 100644
--- a/cmake/msvc.cmake
+++ b/cmake/msvc.cmake
@@ -70,7 +70,7 @@ set(_LDFLAGS_STATIC "")
 set(_LDFLAGS_STATIC_RELEASE "-LTCG:INCREMENTAL")
 set(_LDFLAGS_STATIC_DEBUG "")
 
-if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+if(CMAKE_INSTALL_PREFIX STREQUAL "")
     set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/install" CACHE STRING "" FORCE)
 endif()
 
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