1 # Options related to how the build behaves
3 comment "Build behavior"
7 prompt "Number of parallel jobs"
10 Number of jobs make will be allowed to run concurently.
11 Set this higher than the number of processors you have, but not too high.
12 A good rule of thumb is twice the number of processors you have.
14 Enter 1 (or 0) to have only one job at a time.
18 prompt "Maximum allowed load"
21 Specifies that no new jobs should be started if there are others jobs
22 running and the load average is at least this value.
24 Makes sense on SMP machines only.
26 Enter 0 to have no limit on the load average.
28 Note: only the integer part of the load is allowed here (you can't enter
37 Renices the build process up.
44 Use gcc's option -pipe to use pipes rather than temp files when building
49 prompt "Shell to use as CONFIG_SHELL"
50 default CONFIG_SHELL_BASH
52 config CONFIG_SHELL_SH
54 prompt "sh (the system shell)"
56 Use 'sh' as CONFIG_SHELL.
58 ./configure scripts and Makefiles make intensive use of calling
59 sub-shells. This is usually done by calling /bin/sh. /bin/sh ought
60 to be an at-least-POSIX-conformant shell (that is, able to interpret
63 On many (most?) systems, /bin/sh is a symlink to bash. On some other
64 systems (eg. Ubuntu, latest Debian), /bin/sh points to dash (or ash).
65 bash is a full-featured shell, with many extension to POSIX, but is
66 quite slow (see ection BUGS in the bash man page), while dash is
67 faster, with very few extensions to POSIX. On the other hand, some
68 ./configure scripts, although written to use /bin/sh, may really
69 require to be run by bash.
71 The default is to use bash, as some components (eg. GMP) will fail
72 to build with anything else than bash.
74 config CONFIG_SHELL_ASH
76 prompt "ash (READ HELP!)"
78 Use 'ash' as CONFIG_SHELL.
80 See help for CONFIG_SHELL_SH, above, for more explanations.
82 NOTE: It is advised that you do NOT use ash as CONFIG_SHELL, as some
83 components are broken. If you decide to use ash, and the build breaks,
84 don't come moaning and set the CONFIG_SHELL to bash, below.
86 config CONFIG_SHELL_BASH
90 Use 'bash' as CONFIG_SHELL.
92 See help for CONFIG_SHELL_SH, above, for more explanations.
94 config CONFIG_SHELL_CUSTOM
98 Enter full path to the custom shell below.
100 See help for CONFIG_SHELL_SH, above, for more explanations.
102 config CONFIG_SHELL_CUSTOM_PATH
104 prompt "Path to custom shell"
105 depends on CONFIG_SHELL_CUSTOM
112 default "sh" if CONFIG_SHELL_SH
113 default "ash" if CONFIG_SHELL_ASH
114 default "bash" if CONFIG_SHELL_BASH
115 default "custom" if CONFIG_SHELL_CUSTOM