update readme

lean
Avril 4 years ago
parent d60e079c2f
commit dd4ab87f6b
Signed by: flanchan
GPG Key ID: 284488987C31F630

@ -19,5 +19,22 @@ $ shuffle3 -u file
## Other options
Run with `--help` for more options.
# Building
Run `make` to build the normal binary. It will output to `shuffle3-release`.
## Release target
The `release` (default) target uses the variables `RELEASE_CFLAGS` and `RELEASE_LDFLAGS` to specify opitimisations. These can be set by you if you wish.
### Note
The default `RELEASE_CFLAGS` contains the flag `-march=native`. This may be underisable for you, in which case set the variable or modify the makefile to remove it.
## Debug target
To build with debug information, run `make debug`. Extra debug flags can be provided with the `DEBUG_CFLAGS` and `DEBUG_LDFLAGS` variables which have default values in the Makefile.
The build and unstripped binary will be `shuffle3-debug`.
## Notes
Before switching between `release` and `debug` targets, remember to run `make clean`.
# License
GPL'd with <3

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