Add an option to default the default build rule to parallel build.

[openwrt/svn-archive/archive.git] / Config.in

diff --git a/Config.in b/Config.in
index cac1cce199d483330c5fb10e9f8249b8a7cafb2e..c750a253308ddf93fb00b4b3ae573e5e32332d51 100644 (file)
--- a/Config.in
+++ b/Config.in
@@ -155,6 +155,15 @@ menu "Global build settings"
                help
                        This removes all ipkg/opkg status data files from the target directory before building the root fs
 
+       config COLLECT_KERNEL_DEBUG
+               bool
+               prompt "Collect kernel debug information"
+               select KERNEL_DEBUG_INFO
+               default n
+               help
+                       This collects debugging symbols from the kernel and all compiled modules.
+                       Useful for release builds, so that kernel issues can be debugged offline later.
+
        comment "Kernel build options"
 
        config KERNEL_DEBUG_FS
@@ -179,6 +188,17 @@ menu "Global build settings"
                help
                  This will give you more information in stack traces from kernel oopses
 
+       config KERNEL_DEBUG_KERNEL
+               bool
+               default n
+
+       config KERNEL_DEBUG_INFO
+               bool "Compile the kernel with debug information"
+               default n
+               select KERNEL_DEBUG_KERNEL
+               help
+                 This will compile your kernel and modules with debug information.
+
        comment "Package build options"
 
        config DEBUG
@@ -195,6 +215,52 @@ 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 "Always parallelize the default package build rule (Dangerous)"
+               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.
+
+                 Say N. Only say Y for testing.
+
        comment "Stripping options"
 
        choice