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Diffstat (limited to 'INSTALL')
| -rw-r--r-- | INSTALL | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/INSTALL b/INSTALL index 721a7fc10c..2c61704b8f 100644 --- a/INSTALL +++ b/INSTALL @@ -136,6 +136,18 @@ will be used, and CFLAGS sets optimization options for the compiler. `--enable-lock-elision=yes' Enable lock elision for pthread mutexes by default. +`--enable-pt_chown' + The file `pt_chown' is a helper binary for `grantpt' (*note + Pseudo-Terminals: Allocation.) that is installed setuid root to + fix up pseudo-terminal ownership. It is not built by default + because systems using the Linux kernel are commonly built with the + `devpts' filesystem enabled and mounted at `/dev/pts', which + manages pseudo-terminal ownership automatically. By using + `--enable-pt_chown', you may build `pt_chown' and install it + setuid and owned by `root'. The use of `pt_chown' introduces + additional security risks to the system and you should enable it + only if you understand and accept those risks. + `--build=BUILD-SYSTEM' `--host=HOST-SYSTEM' These options are for cross-compiling. If you specify both |