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Use gccdiag when you need to quickly check a certain c/c++ file compiles, using the exact arguments from the project compile_commands.json
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| name | gccdiag |
| description | Use gccdiag when you need to quickly check a certain c/c++ file compiles, using the exact arguments from the project compile_commands.json |
The program searches the current folder folders above it in the hierarchy for a "compile_commands.json" file, until it finds the first match. This file is then parsed as the compilation database.
The program can also be configured by reading a ".gccdiag" or "_gccdiag" file in the current working directory or above, as well as the global one in $XDG_CONFIG_HOME/gccdiag/ This file contains a JSON dict with up to three keys: "additional_args", "default_args", "args_to_ignore", which correspond to flags listed above.
Usage: gccdiag [OPTIONS] <SOURCES>...
Arguments:
<SOURCES>...
Path to one or more source files
Options:
-c, --compiler <COMPILER>
Compiler path to replace the value in db. If not given, the compiler will be inferred from the compilation database
-a, --add-args <ADD_ARGS>
Compiler args to add when calling (empty by default)
-d, --default-args <DEFAULT_ARGS>
Default args to use if the file isn't found in `compile_commands.json`; if empty, the compiler isn't invoked
-i, --ignore-args <IGNORE_ARGS>
Compiler args to omit when calling (supports glob patterns like "-O*", "-f*")
-C, --cwd <CWD>
Working directory to run the compiler in
-s, --sarif
Tell GCC to use sarif output
-h, --help
Print help (see a summary with '-h')
For example:
gccdiag main.c
gccdiag src/*.cpp # Can compile multiple files at once