# The Slang headers contain C++20 code. So anything that interfaces directly
# with Slang must be built accordingly.
set(CMAKE_CXX_STANDARD 20)

# For ABI compatibility, define the SLANG_DEBUG macro in debug builds. Slang
# sets this internally. If we don't set this here as well, header-defined things
# like the destructor of `Driver`, which is generated in ImportVerilog's
# compilation unit, will destroy a different set of fields than what was
# potentially built or modified by code compiled in the Slang compilation unit.
add_compile_definitions($<$<CONFIG:Debug>:SLANG_DEBUG>)

# HACK: When the `OBJECT` argument is passed to `llvm_add_library()`,
# `COMPILE_DEFINITIONS` are not correctly inherited. For that reason, we
# manually set it here.
if(TARGET Boost::headers)
  add_compile_definitions(
    $<TARGET_PROPERTY:Boost::headers,INTERFACE_COMPILE_DEFINITIONS>)
endif()