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76 lines
3.2 KiB
76 lines
3.2 KiB
9 months ago
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# Creates a CMake target for a given libigl module. This convenience function also defines common
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# compilation flags, as well as installation rules for the target. Target sources and dependencies
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# need to be added separately.
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function(igl_add_library module_name)
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# Check if category is `copyleft` or `restricted`
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if(${module_name} MATCHES "^igl_copyleft")
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set(suffix "_copyleft")
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elseif(${module_name} MATCHES "^igl_restricted")
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set(suffix "_restricted")
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else()
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set(suffix "")
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endif()
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# Check module name
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if(NOT ${module_name} MATCHES "^igl_")
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message(FATAL_ERROR "Libigl module name should start with 'igl_'")
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endif()
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string(REPLACE "igl${suffix}_" "" module_shortname ${module_name})
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# Define target
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if(LIBIGL_USE_STATIC_LIBRARY)
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add_library(${module_name} STATIC)
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else()
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add_library(${module_name} INTERFACE)
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endif()
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# Alias target name
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message(STATUS "Creating target: igl${suffix}::${module_shortname} (${module_name})")
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add_library(igl${suffix}::${module_shortname} ALIAS ${module_name})
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# Compile definitions
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if(LIBIGL_USE_STATIC_LIBRARY)
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target_compile_definitions(${module_name} ${IGL_SCOPE} -DIGL_STATIC_LIBRARY)
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endif()
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# C++11 features
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target_compile_features(${module_name} ${IGL_SCOPE} cxx_std_11)
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# Other compilation flags
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if(MSVC)
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# Enable parallel compilation for Visual Studio
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target_compile_options(${module_name} ${IGL_SCOPE} $<$<COMPILE_LANGUAGE:CXX>:/MP> $<$<COMPILE_LANGUAGE:CXX>:/bigobj>)
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target_compile_definitions(${module_name} ${IGL_SCOPE} -DNOMINMAX)
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# Silencing some compilation warnings
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if(LIBIGL_USE_STATIC_LIBRARY)
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target_compile_options(${module_name} PRIVATE
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# Type conversion warnings. These can be fixed with some effort and possibly more verbose code.
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/wd4267 # conversion from 'size_t' to 'type', possible loss of data
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/wd4244 # conversion from 'type1' to 'type2', possible loss of data
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/wd4018 # signed/unsigned mismatch
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/wd4305 # truncation from 'double' to 'float'
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# This one is from template instantiations generated by autoexplicit.sh:
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/wd4667 # no function template defined that matches forced instantiation ()
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# This one is easy to fix, just need to switch to safe version of C functions
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/wd4996 # this function or variable may be unsafe
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# This one is when using bools in adjacency matrices
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/wd4804 #'+=': unsafe use of type 'bool' in operation
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)
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endif()
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endif()
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# Generate position independent code
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if(LIBIGL_POSITION_INDEPENDENT_CODE)
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set_target_properties(${module_name} PROPERTIES INTERFACE_POSITION_INDEPENDENT_CODE ON)
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if(LIBIGL_USE_STATIC_LIBRARY)
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set_target_properties(${module_name} PROPERTIES POSITION_INDEPENDENT_CODE ON)
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endif()
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endif()
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# Folder for IDE
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if(LIBIGL_USE_STATIC_LIBRARY OR CMAKE_VERSION VERSION_GREATER_EQUAL 3.19.0)
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set_target_properties(${module_name} PROPERTIES FOLDER "Libigl")
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endif()
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endfunction()
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