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cmake: do all compile tests with -D_GNU_SOURCE=1

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Anonymous Maarten 2023-01-08 19:12:11 +01:00
parent 3c72e2de4d
commit e312fbb37d
1 changed files with 2 additions and 0 deletions
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2
CMakeLists.txt
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@ -336,6 +336,8 @@ if(WINDOWS)
set(CMAKE_SHARED_LIBRARY_PREFIX "")
endif()
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_GNU_SOURCE=1")
# Emscripten toolchain has a nonempty default value for this, and the checks
# in this file need to change that, so remember the original value, and
# restore back to that afterwards. For check_function_exists() to work in