OpenFPGA/libs/EXTERNAL/CMakeLists.txt

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CMake
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#Manually synchronized external libraries
add_subdirectory(libpugixml)
add_subdirectory(libcatch)
#External libraries synchronized with 'git subtree'
add_subdirectory(libargparse)
add_subdirectory(libsdcparse)
add_subdirectory(libblifparse)
add_subdirectory(libtatum)
#VPR_USE_EZGL is initialized in the root CMakeLists.
#compile libezgl only if the user asks for or has its dependencies installed.
if(VPR_USE_EZGL STREQUAL "on")
add_subdirectory(libezgl)
endif()
if(${VTR_ENABLE_CAPNPROTO})
# Override default policy for capnproto (CMake policy version 3.1)
# Enable new IPO variables
set(CMAKE_POLICY_DEFAULT_CMP0069 NEW)
# Enable option overrides via variables
set(CMAKE_POLICY_DEFAULT_CMP0077 NEW)
# Re-enable CXX extensions for capnproto.
set(CMAKE_CXX_EXTENSIONS ON)
# Disable capnproto tests
set(BUILD_TESTING OFF)
#Since capnproto is an externally developed library/tool, we suppress all compiler warnings
CHECK_CXX_COMPILER_FLAG("-w" CXX_COMPILER_SUPPORTS_-w)
if(CXX_COMPILER_SUPPORTS_-w)
add_compile_options("-w")
endif()
add_subdirectory(capnproto EXCLUDE_FROM_ALL)
#Some capnproto kj headers (e.g. filesystem.h) generate warnings, treat them as system headers to suppress warnings
#We suppress them here since we include the capnproto sub-tree as is and do not modify its CMakeLists.txts
target_include_directories(kj SYSTEM INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/capnproto/c++/src>
$<INSTALL_INTERFACE:include>
)
endif()