clang++
提供: C++入門
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clang++ とは、clangのC++コンパイラです。
読み方
- clang++
- くらんぐ ぷらす ぷらす、くらんぐ ぷらぷら
目次
概要
インストール
Ubuntu/Debianにインストールする場合
apt コマンドでインストールする場合です。
sudo apt install
FreeBSDにインストールする場合
ports コレクションからインストールする場合
cd /usr/ports/lang/clang34 sudo make install clean
pkgコマンドでインストールする場合
sudo pkg install clang34
portmasterコマンドでインストールする場合
sudo portmaster -y -d /usr/ports/lang/clang34
オプション
C++11系
clang++ -std=c++11 ... clang++ -std=c++1y ...
Abstract Syntax Tree(AST)
clang++ -cc1 -ast-print foo.cpp
詳細については、抽象構文木 (Abstract Syntax Tree, AST) をご参照ください。
コマンドラインオプション
OVERVIEW: clang LLVM compiler USAGE: clang++ [options] <inputs> OPTIONS: -### Print the commands to run for this compilation -E Only run the preprocessor -F <value> Add directory to framework include search path -H Show header includes and nesting depth -I <value> Add directory to include search path -MG Add missing headers to dependency list -MP Create phony target for each dependency (other than main file) -MQ <value> Specify target to quote for dependency -MT <value> Specify target for dependency -ObjC++ Treat source input files as Objective-C++ inputs -ObjC Treat source input files as Objective-C inputs -P Disable linemarker output in -E mode -Qunused-arguments Don't emit warning for unused driver arguments -S Only run preprocess and compilation steps -Wa,<arg> Pass the comma separated arguments in <arg> to the assembler -Wl,<arg> Pass the comma separated arguments in <arg> to the linker -Wp,<arg> Pass the comma separated arguments in <arg> to the preprocessor -W<warning> Enable the specified warning -Xanalyzer <arg> Pass <arg> to the static analyzer -Xassembler <arg> Pass <arg> to the assembler -Xclang <arg> Pass <arg> to the clang compiler -Xlinker <arg> Pass <arg> to the linker -Xpreprocessor <arg> Pass <arg> to the preprocessor --analyze Run the static analyzer -arcmt-migrate-emit-errors Emit ARC errors even if the migrator can fix them -arcmt-migrate-report-output <value> Output path for the plist report -cl-kernel-arg-info OpenCL only. This option allows the compiler to store information about the arguments of a kernel(s) -cxx-isystem <directory> Add directory to the C++ SYSTEM include search path -c Only run preprocess, compile, and assemble steps -dD Print macro definitions in -E mode in addition to normal output -dM Print macro definitions in -E mode instead of normal output -dependency-dot <value> Filename to write DOT-formatted header dependencies to -dependency-file <value> Filename (or -) to write dependency output to -emit-ast Emit Clang AST files for source inputs -emit-llvm Use the LLVM representation for assembler and object files -faltivec Enable AltiVec vector initializer syntax -fapple-kext Use Apple's kernel extensions ABI -fapple-pragma-pack Enable Apple gcc-compatible #pragma pack handling -fblocks Enable the 'blocks' language feature -fborland-extensions Accept non-standard constructs supported by the Borland compiler -fbounds-checking Enable run-time bounds checks -fcolor-diagnostics Use colors in diagnostics -fcomment-block-commands=<arg> Treat each comma separated argument in <arg> as a documentation comment block command -fcxx-exceptions Enable C++ exceptions -fdata-sections Place each data in its own section (ELF Only) -fdelayed-template-parsing Parse templated function definitions at the end of the translation unit -fdiagnostics-parseable-fixits Print fix-its in machine parseable form -fdiagnostics-print-source-range-info Print source range spans in numeric form -fdiagnostics-show-name Print diagnostic name -fdiagnostics-show-note-include-stack Display include stacks for diagnostic notes -fdiagnostics-show-option Print option name with mappable diagnostics -fdiagnostics-show-template-tree Print a template comparison tree for differing templates -fdollars-in-identifiers Allow '$' in identifiers -femit-all-decls Emit all declarations, even if unused -fexceptions Enable support for exception handling -ffast-math Enable the *frontend*'s 'fast-math' mode. This has no effect on optimizations, but provides a preprocessor macro __FAST_MATH__ the same as GCC's -ffast-math flag -fformat-extensions Enable FreeBSD kernel specific format string extensions -ffp-contract=<value> Form fused FP ops (e.g. FMAs): fast (everywhere) | on (according to FP_CONTRACT pragma, default) | off (never fuse) -ffreestanding Assert that the compilation takes place in a freestanding environment -ffunction-sections Place each function in its own section (ELF Only) -fgnu-keywords Allow GNU-extension keywords regardless of language standard -fgnu-runtime Generate output compatible with the standard GNU Objective-C runtime -fgnu89-inline Use the gnu89 inline semantics -finstrument-functions Generate calls to instrument function entry and exit -flimit-debug-info Limit debug information produced to reduce size of debug binary -fmath-errno Require math functions to indicate errors by setting errno -fmodules-cache-path=<directory> Specify the module cache path -fmodules-ignore-macro=<value> Ignore the definition of the given macro when building and loading modules -fmodules-prune-after=<seconds> Specify the interval (in seconds) after which a module file will be considered unused -fmodules-prune-interval=<seconds> Specify the interval (in seconds) between attempts to prune the module cache -fmodules Enable the 'modules' language feature -fms-compatibility Enable Microsoft compatibility mode -fms-extensions Accept some non-standard constructs supported by the Microsoft compiler -fmsc-version=<value> Version of the Microsoft C/C++ compiler to report in _MSC_VER (0 = don't define it (default)) -fno-access-control Disable C++ access control -fno-assume-sane-operator-new Don't assume that C++'s global operator new can't alias any pointer -fno-autolink Disable generation of linker directives for automatic library linking -fno-builtin Disable implicit builtin knowledge of functions -fno-common Compile common globals like normal definitions -fno-constant-cfstrings Disable creation of CodeFoundation-type constant strings -fno-diagnostics-fixit-info Do not include fixit information in diagnostics -fno-diagnostics-show-note-include-stack Display include stacks for diagnostic notes -fno-dollars-in-identifiers Disallow '$' in identifiers -fno-elide-constructors Disable C++ copy constructor elision -fno-elide-type Do not elide types when printing diagnostics -fno-lax-vector-conversions Disallow implicit conversions between vectors with a different number of elements or different element types -fno-limit-debug-info Do not limit debug information produced to reduce size of debug binary -fno-merge-all-constants Disallow merging of constants -fno-objc-infer-related-result-type do not infer Objective-C related result type based on method family -fno-operator-names Do not treat C++ operator name keywords as synonyms for operators -fno-rtti Disable generation of rtti information -fno-sanitize-blacklist Don't use blacklist file for sanitizers -fno-sanitize-recover Disable sanitizer check recovery -fno-show-column Do not include column number on diagnostics -fno-show-source-location Do not include source location information with diagnostics -fno-spell-checking Disable spell-checking -fno-threadsafe-statics Do not emit code to make initialization of local statics thread safe -fno-use-cxa-atexit Don't use __cxa_atexit for calling destructors -fno-use-init-array Don't use .init_array instead of .ctors -fobjc-arc-exceptions Use EH-safe code when synthesizing retains and releases in -fobjc-arc -fobjc-arc Synthesize retain and release calls for Objective-C pointers -fobjc-exceptions Enable Objective-C exceptions -fobjc-gc-only Use GC exclusively for Objective-C related memory management -fobjc-gc Enable Objective-C garbage collection -fobjc-runtime=<value> Specify the target Objective-C runtime kind and version -fpack-struct=<value> Specify the default maximum struct packing alignment -fpascal-strings Recognize and construct Pascal-style string literals -fsanitize-address-zero-base-shadow Make AddressSanitizer map shadow memory at zero offset -fsanitize-blacklist=<value> Path to blacklist file for sanitizers -fsanitize-memory-track-origins Enable origins tracking in MemorySanitizer -fsanitize=<check> Enable runtime instrumentation for bug detection: address (memory errors) | thread (race detection) | undefined (miscellaneous undefined behavior) -fshort-enums Allocate to an enum type only as many bytes as it needs for the declared range of possible values -fshort-wchar Force wchar_t to be a short unsigned int -fshow-overloads=<value> Which overload candidates to show when overload resolution fails: best|all; defaults to all -fslp-vectorize-aggressive Enable the BB vectorization passes -fslp-vectorize Enable the superword-level parallelism vectorization passes -fstrict-enums Enable optimizations based on the strict definition of an enum's value range -ftrap-function=<value> Issue call to specified function rather than a trap instruction -ftrapv-handler=<function name> Specify the function to be called on overflow -ftrapv Trap on integer overflow -funroll-loops Turn on loop unroller -fuse-init-array Use .init_array instead of .ctors -fvectorize Enable the loop vectorization passes -fvisibility-inlines-hidden Give inline C++ member functions default visibility by default -fvisibility-ms-compat Give global types 'default' visibility and global functions and variables 'hidden' visibility by default -fvisibility=<value> Set the default symbol visibility for all global declarations -fwrapv Treat signed integer overflow as two's complement -fwritable-strings Store string literals as writable data -gcc-toolchain <value> Use the gcc toolchain at the given directory -gline-tables-only Emit debug line number tables only -g Generate source level debug information -help Display available options -idirafter <value> Add directory to AFTER include search path -iframework <value> Add directory to SYSTEM framework search path -imacros <file> Include macros from file before parsing -include-pch <file> Include precompiled header file -include <file> Include file before parsing -index-header-map Make the next included directory (-I or -F) an indexer header map -iprefix <dir> Set the -iwithprefix/-iwithprefixbefore prefix -iquote <directory> Add directory to QUOTE include search path -isysroot <dir> Set the system root directory (usually /) -isystem <directory> Add directory to SYSTEM include search path -iwithprefixbefore <dir> Set directory to include search path with prefix -iwithprefix <dir> Set directory to SYSTEM include search path with prefix -iwithsysroot <directory> Add directory to SYSTEM include search path, absolute paths are relative to -isysroot --migrate Run the migrator -mllvm <value> Additional arguments to forward to LLVM's option processing -mms-bitfields Set the default structure layout to be compatible with the Microsoft compiler standard -mno-global-merge Disable merging of globals -mno-implicit-float Don't generate implicit floating point instructions -momit-leaf-frame-pointer Omit frame pointer setup for leaf functions -mqdsp6-compat Enable hexagon-qdsp6 backward compatibility -mrelax-all (integrated-as) Relax all machine instructions -mrtd Make StdCall calling convention the default -msoft-float Use software floating point -mstack-alignment=<value> Set the stack alignment -mstackrealign Force realign the stack at entry to every function -mstrict-align Force all memory accesses to be aligned (ARM only) -nobuiltininc Disable builtin #include directories -nostdinc++ Disable standard #include directories for the C++ standard library -objcmt-migrate-literals Enable migration to modern ObjC literals -objcmt-migrate-subscripting Enable migration to modern ObjC subscripting -o <file> Write output to <file> -pg Enable mcount instrumentation -pipe Use pipes between commands, when possible -print-file-name=<file> Print the full library path of <file> -print-ivar-layout Enable Objective-C Ivar layout bitmap print trace -print-libgcc-file-name Print the library path for "libgcc.a" -print-prog-name=<name> Print the full program path of <name> -print-search-dirs Print the paths used for finding libraries and programs -pthread Support POSIX threads in generated code -rewrite-legacy-objc Rewrite Legacy Objective-C source to C++ -rewrite-objc Rewrite Objective-C source to C++ -save-temps Save intermediate compilation results -serialize-diagnostics <value> Serialize compiler diagnostics to a file -std=<value> Language standard to compile for -stdlib=<value> C++ standard library to use -target <value> Generate code for the given target -time Time individual commands -traditional-cpp Enable some traditional CPP emulation -trigraphs Process trigraph sequences -undef undef all system defines -verify Verify output using a verifier -v Show commands to run and use verbose output -working-directory <value> Resolve file paths relative to the specified directory -w Suppress all warnings -x <language> Treat subsequent input files as having type <language>
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