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Fix: [CMake] restore CMAKE_REQUIRED_FLAGS if you change it (#13393)

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Patric Stout
2025-01-27 20:41:51 +01:00
committed by GitHub
parent a7deb16e81
commit 119470f43e
3 changed files with 9 additions and 0 deletions
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3
os/emscripten/cmake/FindLibLZMA.cmake
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@@ -1,6 +1,7 @@
# LibLZMA is a custom addition to the emscripten SDK, so it is possible
# someone patched their SDK. Test out if the SDK supports LibLZMA.
include(CheckCXXSourceCompiles)
set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
set(CMAKE_REQUIRED_FLAGS "--use-port=contrib.liblzma")
check_cxx_source_compiles("
@@ -18,3 +19,5 @@ if (LIBLZMA_FOUND)
else()
message(WARNING "You are using an emscripten SDK without LibLZMA support. Many savegames won't be able to load in OpenTTD. Please copy liblzma.py to your ports/contrib folder in your local emsdk installation.")
endif()
set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})