cmake: do all compile tests with -D_GNU_SOURCE=1

This commit is contained in:
Anonymous Maarten 2023-01-08 19:12:11 +01:00
parent ebc2fb411f
commit 460b7b247f

View file

@ -289,6 +289,8 @@ 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