Add graph references
This commit is contained in:
Abdelrahman Said
@@ -0,0 +1,131 @@
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include(CheckCCompilerFlag)
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# Enable POSIX features. This needs to be set here instead of in source files so
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# that it affects CMake-based feature tests.
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#
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# See:
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# - https://pubs.opengroup.org/onlinepubs/007904875/functions/xsh_chap02_02.html
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# - https://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html
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add_compile_definitions(_POSIX_C_SOURCE=200809L)
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# On some Apple systems, with some compilers, defining _POSIX_C_SOURCE causes compilation
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# failures when including C++ headers. Defining _DARWIN_C_SOURCE explicitly usually fixes
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# this. Refs: https://trac.macports.org/ticket/60655 and https://trac.macports.org/ticket/73145
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# This is claimed to be due to _POSIX_C_SOURCE disabling APIs that C++ headers rely on
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# on some systems. _DARWIN_C_SOURCE re-enables these APIs, but _GNU_SOURCE alone does not
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# necessarily do so. Using different global defined for C and C++ is problematic with CMake,
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# so instead of restricting _POSIX_C_SOURCE to C, we define _DARWIN_C_SOURCE.
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if(APPLE)
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add_compile_definitions(_DARWIN_C_SOURCE)
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endif()
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if(MSVC)
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add_compile_options(/FS)
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add_compile_definitions(_CRT_SECURE_NO_WARNINGS) # necessary to compile for UWP
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endif()
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if(NOT MSVC)
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# Even though we will later use 'no-unknown-warning-option', we perform the test for
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# 'unknown-warning-option', without the 'no-' prefix. This is necessary because GCC
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# will accept any warning option starting with 'no-', and will not error, yet it still
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# prints a message about the unrecognized option.
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check_c_compiler_flag("-Wunknown-warning-option" COMPILER_SUPPORTS_UNKNOWN_WARNING_OPTION_FLAG)
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endif()
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set(
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IGRAPH_WARNINGS_AS_ERRORS ON CACHE BOOL
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"Treat warnings as errors with GCC-like compilers"
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)
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option(FORCE_COLORED_OUTPUT "Always produce ANSI-colored output (GNU/Clang only)." FALSE)
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if(FORCE_COLORED_OUTPUT)
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if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
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add_compile_options(-fdiagnostics-color=always)
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elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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add_compile_options(-fcolor-diagnostics)
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elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang")
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add_compile_options(-fcolor-diagnostics)
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endif()
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endif()
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macro(use_all_warnings TARGET_NAME)
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if(MSVC)
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target_compile_options(${TARGET_NAME} PRIVATE
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/W4 # enable most warnings, then disable:
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/wd4244 # 'conversion' conversion from 'type1' to 'type2', possible loss of data
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/wd4267 # 'var' : conversion from 'size_t' to 'type', possible loss of data
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/wd4996 # deprecated functions, e.g. 'sprintf': This function or variable may be unsafe. Consider using sprintf_s instead.
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/wd4456 # declaration of 'identifier' hides previous local declaration
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/wd4800 # forcing value to 'true' or 'false' (performance warning)
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/wd4204 # nonstandard extension used: non-constant aggregate initializer
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/wd4701 # potentially uninitialized local variable
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/wd4221 # nonstandard extension used: '...': cannot be initialized using address of automatic variable '...'
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/wd4127 # conditional expression is constant
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/wd4702 # unreachable code
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)
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else()
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# Notes:
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# GCC does not complain when encountering an unsupported "no"-prefixed warning option such as -Wno-foo.
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# Clang does complain, but these complaints can be silenced with -Wno-unknown-warning-option.
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# Therefore it is generally safe to use -Wno-... options that are only supported by recent GCC/Clang.
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target_compile_options(${TARGET_NAME} PRIVATE
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# GCC-style compilers:
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$<$<C_COMPILER_ID:GCC,Clang,AppleClang,Intel,IntelLLVM>:
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$<$<BOOL:${IGRAPH_WARNINGS_AS_ERRORS}>:-Werror>
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-Wall -Wextra -pedantic
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-Wstrict-prototypes
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-Wno-unused-function -Wno-unused-parameter -Wno-unused-but-set-variable -Wno-sign-compare -Wno-constant-logical-operand
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>
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$<$<BOOL:${COMPILER_SUPPORTS_UNKNOWN_WARNING_OPTION_FLAG}>:-Wno-unknown-warning-option>
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# Intel compiler:
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$<$<C_COMPILER_ID:Intel>:
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# disable #279: controlling expression is constant; affecting assert(condition && "message")
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# disable #592: variable "var" is used before its value is set; affecting IGRAPH_UNUSED
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# disable #10148: warning option not supported, as a replacement for -Wno-unknown-warning-option
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-wd279 -wd592 -diag-disable=remark -diag-disable=10148
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>
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# Intel LLVM:
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$<$<C_COMPILER_ID:IntelLLVM>:
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-fp-model=precise # The default 'fast' mode is not compatible with igraph's extensive use of NaN/Inf
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>
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)
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endif()
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endmacro()
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# Helper function to add preprocesor definition of IGRAPH_FILE_BASENAME
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# to pass the filename without directory path for debugging use.
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#
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# Example:
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#
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# define_file_basename_for_sources(my_target)
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#
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# Will add -DIGRAPH_FILE_BASENAME="filename" for each source file depended
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# on by my_target, where filename is the name of the file.
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#
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# Source: https://stackoverflow.com/a/27990434/156771
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function(define_file_basename_for_sources targetname)
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get_target_property(source_files "${targetname}" SOURCES)
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get_target_property(source_dir "${targetname}" SOURCE_DIR)
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foreach(sourcefile ${source_files})
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# Turn relative paths into absolute
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get_filename_component(source_full_path "${sourcefile}" ABSOLUTE BASE_DIR "${source_dir}")
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# Figure out whether the relative path from the source or the build folder
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# is shorter
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file(RELATIVE_PATH source_rel_path "${PROJECT_SOURCE_DIR}" "${source_full_path}")
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file(RELATIVE_PATH binary_rel_path "${PROJECT_BINARY_DIR}" "${source_full_path}")
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string(LENGTH "${source_rel_path}" source_rel_path_length)
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string(LENGTH "${binary_rel_path}" binary_rel_path_length)
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if(binary_rel_path_length LESS source_rel_path_length)
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set(basename "${binary_rel_path}")
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else()
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set(basename "${source_rel_path}")
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endif()
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# Add the IGRAPH_FILE_BASENAME=filename compile definition to the source file
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set_property(
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SOURCE "${sourcefile}" APPEND
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PROPERTY COMPILE_DEFINITIONS "IGRAPH_FILE_BASENAME=\"${basename}\""
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)
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endforeach()
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endfunction()
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