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tldr/pages/common/clang++.md
Vítor Henrique 5edbf734fb
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Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
2024-04-25 19:58:21 -03:00

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clang++

Compile C++ source files. Part of LLVM. More information: https://clang.llvm.org.

  • Compile a source code file into an executable binary:

clang++ {{path/to/source.cpp}} -o {{path/to/output_executable}}

  • Display (almost) all errors and warnings:

clang++ {{path/to/source.cpp}} -Wall -o {{path/to/output_executable}}

  • Choose a language standard to compile with:

clang++ {{path/to/source.cpp}} -std={{c++20}} -o {{path/to/output_executable}}

  • Include libraries located at a different path than the source file:

clang++ {{path/to/source.cpp}} -o {{path/to/output_executable}} -I{{path/to/header_path}} -L{{path/to/library_path}} -l{{path/to/library_name}}

  • Compile source code into LLVM Intermediate Representation (IR):

clang++ -S -emit-llvm {{path/to/source.cpp}} -o {{path/to/output.ll}}

  • Optimize the compiled program for performance:

clang++ {{path/to/source.cpp}} -O{{1|2|3|fast}} -o {{path/to/output_executable}}