From 367a55c7d7e31a8162e795edc343277f8eb35f38 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Sat, 15 Jul 2017 14:52:26 +0200 Subject: build system: FEATURE_LIBBUSYBOX_STATIC - try to pull libc/libm into libbusybox It variously fails with different toolchains I tried... Signed-off-by: Denys Vlasenko --- Config.in | 43 ++++++++++++++++++++----------------------- 1 file changed, 20 insertions(+), 23 deletions(-) (limited to 'Config.in') diff --git a/Config.in b/Config.in index cfb3aa0ee..82baed50a 100644 --- a/Config.in +++ b/Config.in @@ -386,29 +386,26 @@ config BUILD_LIBBUSYBOX Build a shared library libbusybox.so.N.N.N which contains all busybox code. - This feature allows every applet to be built as a tiny - separate executable. Enabling it for "one big busybox binary" - approach serves no purpose and increases code size. - You should almost certainly say "no" to this. - -### config FEATURE_FULL_LIBBUSYBOX -### bool "Feature-complete libbusybox" -### default n if !FEATURE_SHARED_BUSYBOX -### depends on BUILD_LIBBUSYBOX -### help -### Build a libbusybox with the complete feature-set, disregarding -### the actually selected config. -### -### Normally, libbusybox will only contain the features which are -### used by busybox itself. If you plan to write a separate -### standalone application which uses libbusybox say 'Y'. -### -### Note: libbusybox is GPL, not LGPL, and exports no stable API that -### might act as a copyright barrier. We can and will modify the -### exported function set between releases (even minor version number -### changes), and happily break out-of-tree features. -### -### Say 'N' if in doubt. + This feature allows every applet to be built as a really tiny + separate executable linked against the library: + + $ size 0_lib/l* + text data bss dec hex filename + 939 212 28 1179 49b 0_lib/last + 939 212 28 1179 49b 0_lib/less + 919138 8328 1556 929022 e2cfe 0_lib/libbusybox.so.1.N.M + + This is useful on NOMMU systems which are not capable + of sharing executables, but are capable of sharing code + in dynamic libraries. + +config FEATURE_LIBBUSYBOX_STATIC + bool "Pull in all external references into libbusybox" + default n + depends on BUILD_LIBBUSYBOX + help + Make libbusybox library independent, not using or requiring + any other shared libraries. config FEATURE_INDIVIDUAL bool "Produce a binary for each applet, linked against libbusybox" -- cgit v1.2.3