Add SYSROOT, EXTRA_{LDFLAGS,LDLIBS} config opts; sample Android NDK config

[oweals/busybox.git] / Config.in

diff --git a/Config.in b/Config.in
index 79fe8ff9a086701be28f27f95a20403996542070..17bdc895acb9b8c92a1dfe175f39becd9f3078a6 100644 (file)
--- a/Config.in
+++ b/Config.in
@@ -600,12 +600,39 @@ config CROSS_COMPILER_PREFIX
 
          Native builds leave this empty.
 
+config SYSROOT
+       string "Path to sysroot"
+       default ""
+       help
+         If you want to build BusyBox with a cross compiler, then you
+         might also need to specify where /usr/include and /usr/lib
+         will be found.
+
+         For example, BusyBox can be built against an installed
+         Android NDK, platform version 9, for ARM ABI with
+
+         CONFIG_SYSROOT=/opt/android-ndk/platforms/android-9/arch-arm
+
+         Native builds leave this empty.
+
 config EXTRA_CFLAGS
        string "Additional CFLAGS"
        default ""
        help
          Additional CFLAGS to pass to the compiler verbatim.
 
+config EXTRA_LDFLAGS
+       string "Additional LDFLAGS"
+       default ""
+       help
+         Additional LDFLAGS to pass to the linker verbatim.
+
+config EXTRA_LDLIBS
+       string "Additional LDLIBS"
+       default ""
+       help
+         Additional LDLIBS to pass to the linker with -l.
+
 endmenu
 
 menu 'Debugging Options'