3.3 Environment variables

SDCC recognizes the following environment variables:

• [SDCC_LEAVE_SIGNALS] SDCC installs a signal handler to be able to delete temporary files after an user break (^C) or an exception. If this environment variable is set, SDCC won't install the signal handler in order to be able to debug SDCC.
• [TMP, TEMP, TMPDIR] Path, where temporary files will be created. The order of the variables is the search order. In a standard *nix environment these variables are not set, and there's no need to set them. On Windows it's recommended to set one of them.
• [SDCC_HOME] Path, see section 2.2 '' Install Paths''.
• [SDCC_INCLUDE] Path, see section 2.3 ''Search Paths''.
• [SDCC_LIB] Path, see section 2.3 ''Search Paths''..

There are some more environment variables recognized by SDCC, but these are solely used for debugging purposes. They can change or disappear very quickly, and will never be documented.