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17 lines
602 B
CMake
17 lines
602 B
CMake
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# By using bash builtin expansion, we can avoid
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# expensively spawing three sub-processes (bash, echo, sed).
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foreach(dir IN LISTS SOURCE_DIRS)
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file(READ "${dir}/configure" script)
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string(REGEX REPLACE
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"(\n[a-zA-Z0-9_]*)='`[\$]ECHO \"[\$]([^\"]*)\" \\| [\$]SED \"[\$]delay_single_quote_subst\"`'"
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[[\1='${\2//\\'/\\'\\\\\\'\\'}']]
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script "${script}"
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)
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string(REPLACE
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[[ case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in]]
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[[ case "\${!var}" in]]
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script "${script}"
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)
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file(WRITE "${dir}/configure" "${script}")
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endforeach()
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