Gcc command
You can find more gcc command s just by opening the command
prompt in windows ,bash in linux and
terminal in Mac Os.Enter the following code in it
gcc --help
Options:
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-pass-exit-codes
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Exit with highest error code from a phase
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--help
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Display Information
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--target-help
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Display
Target specific command line options
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--help={common|optimizers|params|target|warnings|[^]{joined|separate|undocumented}}[,...}
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Note:
The
operations starting with –g, -f ,-m –o,-W, or –param are automatically passed
on the various sub-processes invoked by the gcc. In order to pass options on
the these processes the
-w<letter>options must be used.
(Use ‘-v
–help’ to display command line options )
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commands
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Description
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--version
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Display Compiler version information
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--dumpspecs
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Display all the built in spec strings
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--dumpversion
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Display the version of the compiler
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--dumpmachine
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Display the compiler’s target processors
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--print-search-dirs
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Display the directories in the compilers ‘s search
path
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--print-libgcc-file-name
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Display the name of the compilers companion library
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--print-multi-directory
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Display the target’s for versions of
libgcc
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--print-file-name=<lib>
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Display the full path to library <lib>
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--print-prog-name=<prog>
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Display the full path to compiler component
<prog>
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--print-multi-directory
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Display the root directory for versions of libgcc
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--print-multi-lib
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Display the mapping between command line options and
multiple library search directories
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--print-multi-os-directory
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Display the relative path to OS libraries
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--print-sysroot
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Display the target
libraries directories
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--print-sysroot-headers-suffix
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Display the sysroot suffix used to find headers
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-Wa,<options>
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Pass comma-separated <options> on to the
assembler
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-wp,<options>
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Pass comma-separated <options> on the
preprocessor
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-wl,<options>
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Pass comma-seperated <options> on the linker
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-Xassembler <arg>
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Pass <arg> on the assembler
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-Xpreprocessor <arg>
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Pass <arg> on the preprocessor
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-Xlinker <arg>
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Pass <arg> on the linker
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-save-temps
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Do not delete intermediate files
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-save-temps=<arg>
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Do not delete the intermediate files
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-no-canonical-prefiexes
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Do not canonicalize paths when building relative
prefixes to other gcc components
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-pipe
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Use pipes rather than intermediate files
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-time
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Time the execution of each subprocess
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-specs=<file>
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Override built-in specs with the contents of
<file>
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-std=<standard>
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Assume that the input
sources are for headers and libraries
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--sysroot=<directory>
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Add <directory> as the root directory for headers and
libraries
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-B <directory>
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Add <directory> to the compiler’s search path
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-v
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Like –v but options quotes and compile, assemble or
link
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-###
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-E
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Preprocess only; do not assemble or link
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-S
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Compile and assemble,but do not link
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-c
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Compile and assemble,but do not link
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-o <file>
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Place the Output into <file>
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-pie
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Create a postion independent executable
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-shared
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Create a shared library
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-x <language>
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Permissible languages include :c c++ assembler none
‘none’ means revert to the default behavior of guessing the language based on
the file’s extension
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