diff options
Diffstat (limited to 'package/u-boot/patches/patch-Kbuild')
| -rw-r--r-- | package/u-boot/patches/patch-Kbuild | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/package/u-boot/patches/patch-Kbuild b/package/u-boot/patches/patch-Kbuild new file mode 100644 index 000000000..7efe26e13 --- /dev/null +++ b/package/u-boot/patches/patch-Kbuild @@ -0,0 +1,45 @@ +Sometimes it is required to build only host U-Boot tools without building +U-Boot itself for either board. + +For example: + * In "buildroot" "uboot-tools" could be built for host just to have an ability + to create uImage. + * Linux distributions ship "mkimage" utility as a separate substance. + +This patch allows building host U-Boot tools separately from U-Boot itself and +what is more important user only needs to have host compiler (gcc). + +To build host tools just execute: +===== +make tools HOST_TOOLS_ONLY=yes +===== + +Without this patch to generate tools user needs: + 1. Configure any existing board with "make XXX_config" + 2. Execute tools building but still cross-compiler will be invoked and if + there's no proper cross-compiler in PATH compilation will fail. + +Signed-off-by: Alexey Brodkin <abrodkin at synopsys.com> + +Cc: Masahiro Yamada <yamada.m at jp.panasonic.com> +Cc: Tom Rini <trini at ti.com> +Cc: Simon Glass <sjg at chromium.org> + +--- u-boot-2014.07.orig/Kbuild 2014-07-14 19:16:45.000000000 +0200 ++++ u-boot-2014.07/Kbuild 2014-08-11 10:06:13.311946939 +0200 +@@ -4,6 +4,9 @@ + # 1) Generate generic-asm-offsets.h + # 2) Generate asm-offsets.h + ++# Don't execute target below if building host tools only ++ifneq ($(HOST_TOOLS_ONLY),yes) ++ + ##### + # 1) Generate generic-asm-offsets.h + +@@ -85,3 +88,5 @@ arch/$(ARCH)/lib/asm-offsets.s: arch/$(A + + $(obj)/$(offsets-file): arch/$(ARCH)/lib/asm-offsets.s Kbuild + $(call cmd,offsets) ++ ++endif |