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15 lines
624 B
Markdown
15 lines
624 B
Markdown
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genconfigheader.sh
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------------------
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Usage: `genconfigheader.sh <output_header_file> [CFLAGS]`
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Generate a build configuration header from CFLAGS arguments
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- Arguments on the form `-Dmacro_name=macro_value` will be converted to
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the form `#define macro_name macro_value`
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- Arguments given on the form `-Dmacro_name` will be converted to the form `#define macro_name 1`
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- The output file will be overwritten if it already exists _and_ the new output file's contents differs from the old file.
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By not replacing the output file on every run, make can still use the file
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modification times for dependency calculations.
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