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# This sets up support for maximum static linking of dependent libraries on
# supported platforms.
set(STATIC_LINK_DEFAULT OFF)
if(WIN32)
set(STATIC_LINK_DEFAULT ON)
endif()
option(STATIC_LINK "Link most libraries statically" ${STATIC_LINK_DEFAULT})
if(NOT STATIC_LINK)
return()
endif()
set(CMAKE_LINK_SEARCH_START_STATIC ON)
set(CMAKE_FIND_LIBRARY_SUFFIXES "${CMAKE_STATIC_LIBRARY_SUFFIX}")
if(WIN32)
# Link MSVC runtime statically.
if(MSVC)
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
# Link MINGW runtime statically.
else()
if(CMAKE_CXX_COMPILER_ID MATCHES "^(GNU|Clang)\$")
list(APPEND CCACHE_EXTRA_LIBS -static-libgcc -static-libstdc++ -static -lwinpthread -dynamic)
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
list(APPEND CCACHE_EXTRA_LIBS -fuse-ld=lld)
endif()
endif()
else()
if(CMAKE_CXX_COMPILER_ID MATCHES "^(GNU|Clang)\$")
list(APPEND CCACHE_EXTRA_LIBS -static-libgcc -static-libstdc++)
endif()
endif()
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