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kicad/thirdparty/clipper2/CMakeLists.txt

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Add Clipper2 Currently this lives behind the advanced config flag `UseClipper2`. Enabling this flag will route all Clipper-based calls through the Clipper2 library instead of the older Clipper. The changes should be mostly transparent. Of note, Clipper2 does not utilize the `STRICTLY_SIMPLE` flag because clipper1 did not actually guarantee a strictly simple polygon. Currently we ignore this flag but we may decide to run strictly-simple operations through a second NULL union to simplify the results as much as possible. Additionally, the inflation options are slightly different. We cannot choose the fallback miter. The fallback miter is always square. This only affects the CHAMFER_ACUTE_CORNERS option in inflate, which does not appear to be used. Lastly, we currently utilize the 64-bit integer coordinates for calculations. This appears to still be faster than 32-bit calculations in Clipper1 on a modern x86 system. This may not be the case for older systems, particularly 32-bit systems.
2022-10-19 23:25:45 +00:00
include(GNUInstallDirs)
set(CLIPPER2_INC
Clipper2Lib/include/clipper2/clipper.h
Clipper2Lib/include/clipper2/clipper.core.h
Clipper2Lib/include/clipper2/clipper.engine.h
Clipper2Lib/include/clipper2/clipper.minkowski.h
Clipper2Lib/include/clipper2/clipper.offset.h
Clipper2Lib/include/clipper2/clipper.rectclip.h
)
set(CLIPPER2_SRC
Clipper2Lib/src/clipper.engine.cpp
Clipper2Lib/src/clipper.offset.cpp
Clipper2Lib/src/clipper.rectclip.cpp
)
add_library(clipper2 STATIC ${CLIPPER2_INC} ${CLIPPER2_SRC})
target_include_directories(clipper2
PUBLIC Clipper2Lib/include
)
target_compile_definitions(clipper2 PUBLIC USINGZ)
Clipper2: fix an incorrect compil otion on mingw
2022-10-20 09:29:31 +00:00
if (MSVC)
Add Clipper2 Currently this lives behind the advanced config flag `UseClipper2`. Enabling this flag will route all Clipper-based calls through the Clipper2 library instead of the older Clipper. The changes should be mostly transparent. Of note, Clipper2 does not utilize the `STRICTLY_SIMPLE` flag because clipper1 did not actually guarantee a strictly simple polygon. Currently we ignore this flag but we may decide to run strictly-simple operations through a second NULL union to simplify the results as much as possible. Additionally, the inflation options are slightly different. We cannot choose the fallback miter. The fallback miter is always square. This only affects the CHAMFER_ACUTE_CORNERS option in inflate, which does not appear to be used. Lastly, we currently utilize the 64-bit integer coordinates for calculations. This appears to still be faster than 32-bit calculations in Clipper1 on a modern x86 system. This may not be the case for older systems, particularly 32-bit systems.
2022-10-19 23:25:45 +00:00
target_compile_options(clipper2 PRIVATE /W4 /WX)
else()
target_compile_options(clipper2 PRIVATE -Wall -Wextra -Wpedantic -Werror)
target_link_libraries(clipper2 PUBLIC -lm)
endif()