From 8436aa794e22fcd9bbf2a97aee241ed338a44180 Mon Sep 17 00:00:00 2001
From: nimetu <nimetu@gmail.com>
Date: Wed, 12 Jan 2022 23:44:16 +0200
Subject: [PATCH] Fix for azure pipeline linux agent OpenSSL compiling error

---
 CMakeLists.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bb9e98285..9c7103cfe 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -155,6 +155,14 @@ IF(WIN32)
 ENDIF()
 
 IF(HUNTER_ENABLED)
+  # This fix is for compiling OpenSSL in Azure Pipeline linux agent where ENV{SYSTEM} == "build"
+  IF(DEFINED ENV{SYSTEM} AND UNIX AND NOT APPLE)
+    STRING(TOUPPER "$ENV{SYSTEM}" _tmp)
+    IF (_tmp STREQUAL "BUILD")
+      UNSET(ENV{SYSTEM})
+    ENDIF()
+    UNSET(_tmp)
+  ENDIF()
   ## TODO: hack for freetype hunter package
   SET(ON 1)
   ##