From 6750d42ef1811cb5527f7eaa13fdbbd0cde4b8ef Mon Sep 17 00:00:00 2001
From: Jan Tattermusch <jtattermusch@google.com>
Date: Wed, 7 Feb 2018 15:57:23 +0100
Subject: fine tune cmake find_package usage

---
 cmake/ssl.cmake | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'cmake/ssl.cmake')

diff --git a/cmake/ssl.cmake b/cmake/ssl.cmake
index 53d8a1597e..83f642a675 100644
--- a/cmake/ssl.cmake
+++ b/cmake/ssl.cmake
@@ -31,6 +31,10 @@ if("${gRPC_SSL_PROVIDER}" STREQUAL "module")
     set(gRPC_INSTALL FALSE)
   endif()
 elseif("${gRPC_SSL_PROVIDER}" STREQUAL "package")
+  # OpenSSL installation directory can be configured by setting OPENSSL_ROOT_DIR
+  # We expect to locate OpenSSL using the built-in cmake module as the openssl
+  # project itself does not provide installation support in its CMakeLists.txt
+  # See https://cmake.org/cmake/help/v3.6/module/FindOpenSSL.html
   find_package(OpenSSL REQUIRED)
   
   if(TARGET OpenSSL::SSL)
-- 
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