X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=Config.in;h=d1a6e0b9ae848c3eb785b49ae4068a91915c3fbf;hp=e5b3346fe20a90d6b3855c94dadce824a141fb53;hb=6bb7409e5a85da6ae3323ec179311a99d0de79e5;hpb=c4a419b44585a01e9fe9408d1f0493ed1a5dc0af diff --git a/Config.in b/Config.in index e5b3346fe2..d1a6e0b9ae 100644 --- a/Config.in +++ b/Config.in @@ -81,7 +81,8 @@ menu "Target Images" config TARGET_ROOTFS_ISO bool "iso" default n - depends TARGET_ROOTFS_INITRAMFS && TARGET_x86 + depends on TARGET_x86_generic + depends !TARGET_ROOTFS_INITRAMFS help Create some bootable ISO image @@ -296,23 +297,12 @@ menu "Global build settings" config PKG_BUILD_PARALLEL bool prompt "Compile certain packages parallelized" - default n + default y help This adds a -jX option to certain packages that are known to - behave well for parallel build. - - Note that this may overcommit CPU resources depending on the - -j level of the main make process, the number of package - submake jobs selected below and the number of actual CPUs present. - Example: If the main make is passed a -j4 and the submake -j - is also set to 4, we may end up with 16 parallel make processes - in the worst case. - - You get maximum build performance, if you set the package build - jobs to the number of CPUs (cores) available and also start the main - make process with -jX, where X is the number of CPUs (cores). - However, make sure you have enough RAM available for - NR_CPUS to the power of two (NR_CPUS^2) make jobs. + behave well for parallel build. By default the package make processes + use the main jobserver, in which case this option only takes effect + when you add -jX to the make command. If you are unsure, select N. @@ -325,6 +315,14 @@ menu "Global build settings" This passes the main make process jobserver fds to package builds, enabling full parallelization across different packages + Note that disabling this may overcommit CPU resources depending on the + -j level of the main make process, the number of package + submake jobs selected below and the number of actual CPUs present. + Example: If the main make is passed a -j4 and the submake -j + is also set to 4, we may end up with 16 parallel make processes + in the worst case. + + config PKG_BUILD_JOBS int prompt "Number of package submake jobs (2-512)"