From f2dbb17de3b6da7f17962578b4c2a9d5a419bd11 Mon Sep 17 00:00:00 2001
From: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>
Date: Sat, 8 Jul 2023 19:27:47 +0100
Subject: [PATCH] [FIXUP] for "cmake: Build `test_bitcoin` executable"

The vcpkg package manager has a separated `boost-test` package, and it
is more robust to test its headers explicitly.
---
 cmake/module/AddBoostIfNeeded.cmake | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/cmake/module/AddBoostIfNeeded.cmake b/cmake/module/AddBoostIfNeeded.cmake
index 48c50a00243d8..32b4abdd18fcb 100644
--- a/cmake/module/AddBoostIfNeeded.cmake
+++ b/cmake/module/AddBoostIfNeeded.cmake
@@ -28,5 +28,28 @@ function(add_boost_if_needed)
     add_library(Boost::headers ALIAS Boost::boost)
   endif()
 
+  if(BUILD_TESTS)
+    include(CheckCXXSourceCompiles)
+    set(CMAKE_REQUIRED_INCLUDES ${Boost_INCLUDE_DIR})
+    check_cxx_source_compiles("
+      #define BOOST_TEST_MAIN
+      #include <boost/test/included/unit_test.hpp>
+      " HAVE_BOOST_INCLUDED_UNIT_TEST_H
+    )
+    if(NOT HAVE_BOOST_INCLUDED_UNIT_TEST_H)
+      message(FATAL_ERROR "Building test_bitcoin executable requested but boost/test/included/unit_test.hpp header not available.")
+    endif()
+
+    check_cxx_source_compiles("
+      #define BOOST_TEST_MAIN
+      #include <boost/test/included/unit_test.hpp>
+      #include <boost/test/unit_test.hpp>
+      " HAVE_BOOST_UNIT_TEST_H
+    )
+    if(NOT HAVE_BOOST_UNIT_TEST_H)
+      message(FATAL_ERROR "Building test_bitcoin executable requested but boost/test/unit_test.hpp header not available.")
+    endif()
+  endif()
+
   mark_as_advanced(Boost_INCLUDE_DIR)
 endfunction()