gccint: System Config
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1 6.3.2.2 The 'config.build'; 'config.host'; and 'config.gcc' Files
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1 The 'config.build' file contains specific rules for particular systems
1 which GCC is built on. This should be used as rarely as possible, as
1 the behavior of the build system can always be detected by autoconf.
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1 The 'config.host' file contains specific rules for particular systems
1 which GCC will run on. This is rarely needed.
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1 The 'config.gcc' file contains specific rules for particular systems
1 which GCC will generate code for. This is usually needed.
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1 Each file has a list of the shell variables it sets, with descriptions,
1 at the top of the file.
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1 FIXME: document the contents of these files, and what variables should
1 be set to control build, host and target configuration.
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