From 116d2ab3df630455f23a7b21f50237689879ecc0 Mon Sep 17 00:00:00 2001
From: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>
Date: Fri, 14 Jul 2023 08:42:48 +0100
Subject: [PATCH] cmake: Set `ENVIRONMENT` property for examples on Windows

This change simplifies running examples on Windows, because the DLL
must reside either in the same folder where the executable is or
somewhere in PATH.
---
 examples/CMakeLists.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index c9f8f8a093..607bb67770 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -10,6 +10,13 @@ function(add_example name)
   )
   set(test_name ${name}_example)
   add_test(NAME ${test_name} COMMAND ${target_name})
+  if(BUILD_SHARED_LIBS AND MSVC)
+    # The DLL must reside either in the same folder where the executable is
+    # or somewhere in PATH. Using the latter option.
+    set_tests_properties(${test_name} PROPERTIES
+      ENVIRONMENT "PATH=$<TARGET_FILE_DIR:secp256k1>;$ENV{PATH}"
+    )
+  endif()
 endfunction()
 
 add_example(ecdsa)