Merge bitcoin/bitcoin#30822: cmake: scope Boost Test check to vcpkg

a7a4e11db8 cmake: scope Boost Test check to vcpkg (fanquake)

Pull request description:

  This check was added for `vcpkg`, given how it packages Boost. However, we don't need to run the check for other platforms, and it's quite slow. So, scope it to just `vcpkg`.

  On my machine, this reduces the time to run `time cmake -B build` from ~12 seconds, to ~6 seconds.

  Fixes: #30787.

ACKs for top commit:
  kevkevinpal:
    lgtm ACK [a7a4e11](a7a4e11db8)
  maflcko:
    review ACK a7a4e11db8
  davidgumberg:
    Tested ACK a7a4e11db8
  hebasto:
    re-ACK a7a4e11db8.

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This commit is contained in:
merge-script 2024-09-06 09:34:46 +01:00
commit c3af4b1ec3
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@ -64,9 +64,9 @@ function(add_boost_if_needed)
set(CMAKE_REQUIRED_DEFINITIONS)
endif()
if(BUILD_TESTS)
# Some package managers, such as vcpkg, vendor Boost.Test separately
# from the rest of the headers, so we have to check for it individually.
# Some package managers, such as vcpkg, vendor Boost.Test separately
# from the rest of the headers, so we have to check for it individually.
if(BUILD_TESTS AND DEFINED VCPKG_TARGET_TRIPLET)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DBOOST_TEST_NO_MAIN)
include(CheckIncludeFileCXX)
check_include_file_cxx(boost/test/included/unit_test.hpp HAVE_BOOST_INCLUDED_UNIT_TEST_H)