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Diffstat (limited to 'README.rst')
| -rw-r--r-- | README.rst | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -21,10 +21,10 @@ exclusively, with lots of small helper scripts in other projects. Kconfiglib implements the recently added `Kconfig preprocessor <https://github.com/torvalds/linux/blob/master/Documentation/kbuild/kconfig-macro-language.txt>`_. For backwards compatibility, environment variables can be referenced both as -``$(FOO)`` (the new syntax) and as ``$FOO`` (the old syntax). Support for the -old syntax might be removed in the future (the major version would be increased -at the same time). Using the old syntax with an undefined environment variable -keeps the string as is. +``$(FOO)`` (the new syntax) and as ``$FOO`` (the old syntax). The old syntax is +deprecated, but will probably be supported for a very long time (the major +version would be increased if support is ever dropped). Using the old syntax +with an undefined environment variable keeps the string as is. Note: See `this issue <https://github.com/ulfalizer/Kconfiglib/issues/47>`_ if you run into a "macro expanded to blank string" error with kernel 4.18+. |