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enable_language(C)
# Normally CMAKE_PROJECT_TOP_LEVEL_INCLUDES must be set before the first
# project() call. We don't care about the variable's usual effects here, we
# only care whether the variable is propagated to try_compile() project calls.
set(CMAKE_PROJECT_TOP_LEVEL_INCLUDES
${CMAKE_CURRENT_LIST_DIR}/include_error.cmake
)
try_compile(result
PROJECT TestProject
SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/proj
LOG_DESCRIPTION "Project without property set."
)
set_property(GLOBAL PROPERTY PROPAGATE_TOP_LEVEL_INCLUDES_TO_TRY_COMPILE YES)
set(CMAKE_PROJECT_TOP_LEVEL_INCLUDES
${CMAKE_CURRENT_LIST_DIR}/include_pass1.cmake
${CMAKE_CURRENT_LIST_DIR}/include_pass2.cmake
)
try_compile(result
PROJECT TestProject
SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/proj
LOG_DESCRIPTION "Project with property set."
)
# Confirm the property only affects whole project signature
set(CMAKE_PROJECT_TOP_LEVEL_INCLUDES
${CMAKE_CURRENT_LIST_DIR}/include_error.cmake
)
try_compile(result
SOURCES ${CMAKE_CURRENT_LIST_DIR}/src.c
LOG_DESCRIPTION "Source file with property set."
)
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