X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/9db606b207a97a699f89ccbe621acb9bfb720c02..f84ac6cfd839b6f21678be718ce8ab4f1e6d4ff4:/Config.in diff --git a/Config.in b/Config.in index daecd171e..77eea2d60 100644 --- a/Config.in +++ b/Config.in @@ -17,7 +17,6 @@ menu "Target Images" menuconfig TARGET_ROOTFS_INITRAMFS bool "ramdisk" default y if USES_INITRAMFS - depends LINUX_2_6 help Embed the rootfs into the kernel (initramfs) @@ -169,7 +168,6 @@ menu "Global build settings" config KERNEL_DEBUG_FS bool "Compile the kernel with Debug FileSystem enabled" default y - depends LINUX_2_6 help debugfs is a virtual file system that kernel developers use to put debugging files into. Enable this option to be able to read and @@ -199,6 +197,25 @@ menu "Global build settings" help This will compile your kernel and modules with debug information. + config KERNEL_DEBUG_LL + bool + default n + depends on arm + help + ARM low level debugging + + config KERNEL_EARLY_PRINTK + bool "Compile the kernel with early printk" + default n + depends on arm + select KERNEL_DEBUG_KERNEL + select KERNEL_DEBUG_LL if arm + help + Compile the kernel with early printk support. + This is only useful for debugging purposes to send messages + over the serial console in early boot. + Enable this to debug early boot problems. + comment "Package build options" config DEBUG @@ -215,6 +232,66 @@ menu "Global build settings" help Enable IPV6 support in packages (passes --enable-ipv6 to configure scripts). + config PKG_BUILD_PARALLEL + bool + prompt "Compile certain packages parallelized" + default n + 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. + + If you are unsure, select N. + + config PKG_BUILD_JOBS + int + prompt "Number of package submake jobs (2-512)" + range 2 512 + default 2 + depends on PKG_BUILD_PARALLEL + help + The number of jobs (-jX) to pass to packages submake. + + config PKG_DEFAULT_PARALLEL + bool + prompt "Parallelize the default package build rule (May break build)" + depends on PKG_BUILD_PARALLEL + default n + help + Always set the default package build rules to parallel build. + + WARNING: This may break build or kill your cat, as it builds + packages with multiple jobs that are probably not tested in + a parallel build environment. + + Only say Y, if you don't mind fixing broken packages. + Before reporting build bugs, set this to N and re-run the build. + + config TOOLCHAIN_PARALLEL + bool + prompt "Parallelize the toolchain build (May break build)" + depends on PKG_BUILD_PARALLEL + default n + help + Build the toolchain with parallel make jobs. + This speeds up the toolchain build on SMP machines, but may + break the build for certain toolchain versions. + + If you say Y, toolchain build might break. + Before reporting build bugs, set this to N and re-run the build. + comment "Stripping options" choice @@ -255,7 +332,6 @@ menu "Global build settings" Specifies arguments passed to the strip command when stripping binaries config STRIP_KERNEL_EXPORTS - depends LINUX_2_6 bool "Strip unnecessary exports from the kernel image" help Reduces kernel size by stripping unused kernel exports from the kernel image