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37 lines
1.3 KiB
Markdown
37 lines
1.3 KiB
Markdown
# clang
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> Compile C, C++, and Objective-C source files. Can be used as a drop-in replacement for GCC.
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> Part of LLVM.
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> More information: <https://clang.llvm.org/docs/ClangCommandLineReference.html>.
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- Compile multiple source files into an executable:
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`clang {{path/to/source1.c path/to/source2.c ...}} {{[-o|--output]}} {{path/to/output_executable}}`
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- Activate output of all errors and warnings:
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`clang {{path/to/source.c}} -Wall {{[-o|--output]}} {{output_executable}}`
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- Show common warnings, debug symbols in output, and optimize without affecting debugging:
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`clang {{path/to/source.c}} -Wall {{[-g|--debug]}} -Og {{[-o|--output]}} {{path/to/output_executable}}`
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- Include libraries from a different path:
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`clang {{path/to/source.c}} {{[-o|--output]}} {{path/to/output_executable}} -I{{path/to/header}} -L{{path/to/library}} -l{{library_name}}`
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- Compile source code into LLVM Intermediate Representation (IR):
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`clang {{[-S|--assemble]}} -emit-llvm {{path/to/source.c}} {{[-o|--output]}} {{path/to/output.ll}}`
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- Compile source code into an object file without linking:
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`clang {{[-c|--compile]}} {{path/to/source.c}}`
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- Optimize the compiled program for performance:
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`clang {{path/to/source.c}} -O{{1|2|3|fast}} {{[-o|--output]}} {{path/to/output_executable}}`
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- Display version:
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`clang --version`
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