From 5291c746dfb679e9c75c9c245a3b0616b37d726a Mon Sep 17 00:00:00 2001
From: Martchus <martchus@gmx.net>
Date: Tue, 6 Jul 2021 16:37:37 +0200
Subject: [PATCH] Show warning when OpenSSL can be found but imported targets
 are not present

---
 cmake/modules/3rdParty.cmake | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/cmake/modules/3rdParty.cmake b/cmake/modules/3rdParty.cmake
index 49eca3c..d6aa9cf 100644
--- a/cmake/modules/3rdParty.cmake
+++ b/cmake/modules/3rdParty.cmake
@@ -156,8 +156,14 @@ function (use_openssl)
 
     find_package(OpenSSL ${ARGS_FIND_PACKAGE})
     if (NOT OpenSSL_FOUND)
+        message(STATUS "Unable to find OpenSSL")
         return()
     endif ()
+    if (NOT TARGET OpenSSL::SSL OR NOT TARGET OpenSSL::Crypto)
+        message(WARNING "Found OpenSSL but imported targets OpenSSL::SSL and/or OpenSSL::Crypto missing.")
+        return()
+    endif ()
+    message(STATUS "Found OpenSSL")
     set("${ARGS_LIBRARIES_VARIABLE}"
         "${${ARGS_LIBRARIES_VARIABLE}};OpenSSL::SSL;OpenSSL::Crypto"
         PARENT_SCOPE)
@@ -183,8 +189,14 @@ function (use_crypto)
 
     find_package(OpenSSL ${ARGS_FIND_PACKAGE})
     if (NOT OpenSSL_FOUND)
+        message(STATUS "Unable to find OpenSSL")
         return()
     endif ()
+    if (NOT TARGET OpenSSL::Crypto)
+        message(WARNING "Found OpenSSL but imported target OpenSSL::Crypto missing.")
+        return()
+    endif ()
+    message(STATUS "Found OpenSSL")
     set("${ARGS_LIBRARIES_VARIABLE}"
         "${${ARGS_LIBRARIES_VARIABLE}};OpenSSL::Crypto"
         PARENT_SCOPE)