[meta-ti] [PATCH V2] u-boot_2011.09: Always use gnu ld for LD

Tom Rini tom.rini at gmail.com
Wed Jan 4 10:47:36 PST 2012


On Wed, Dec 21, 2011 at 9:59 AM, Khem Raj <raj.khem at gmail.com> wrote:
> u-boot wants GNU ld and cant link with gold
> so when default linker is gold we make sure
> that it still uses good old GNU ld
>
> Signed-off-by: Khem Raj <raj.khem at gmail.com>

Acked-by: Tom Rini <trini at ti.com>

> ---
>  .../u-boot/0001-config-Always-use-GNU-ld.patch     |   43 ++++++++++++++++++++
>  recipes-bsp/u-boot/u-boot_2011.09.bb               |    3 +-
>  2 files changed, 45 insertions(+), 1 deletions(-)
>  create mode 100644 recipes-bsp/u-boot/u-boot/0001-config-Always-use-GNU-ld.patch
>
> diff --git a/recipes-bsp/u-boot/u-boot/0001-config-Always-use-GNU-ld.patch b/recipes-bsp/u-boot/u-boot/0001-config-Always-use-GNU-ld.patch
> new file mode 100644
> index 0000000..2564d1d
> --- /dev/null
> +++ b/recipes-bsp/u-boot/u-boot/0001-config-Always-use-GNU-ld.patch
> @@ -0,0 +1,43 @@
> +From dff01fc9346e6f4e3386536df309d2e78f03f3ee Mon Sep 17 00:00:00 2001
> +From: Khem Raj <raj.khem at gmail.com>
> +Date: Wed, 21 Dec 2011 08:53:02 -0800
> +Subject: [PATCH] config: Always use GNU ld
> +
> +This patch makes sure that we always use the GNU ld. u-boot uses certain
> +construct e.g. OVERLAY which are not implemented in gold therefore it
> +always needs GNU ld for linking. It works well if default linker in
> +toolchain is GNU ld but in some cases we can have gold to be the
> +default linker and also ship GNU ld but not as default in such cases
> +its called $(PREFIX)ld.bfd, with this patch we make sure that if
> +$(PREFIX)ld.bfd exists than we use that for our ld. This way it
> +does not matter what the default ld is.
> +
> +Upstream-status: Pending
> +
> +Signed-off-by: Khem Raj <raj.khem at gmail.com>
> +---
> + config.mk |    4 +++-
> + 1 files changed, 3 insertions(+), 1 deletions(-)
> +
> +diff --git a/config.mk b/config.mk
> +index ddaa477..59b3e71 100644
> +--- a/config.mk
> ++++ b/config.mk
> +@@ -126,11 +126,13 @@ cc-option = $(strip $(if $(findstring $1,$(CC_OPTIONS)),$1,\
> +               $(if $(call cc-option-sys,$1),$1,$2)))
> + endif
> +
> ++exists_bfd_ld = $(shell if $(CROSS_COMPILE)ld.bfd -v >& /dev/null; \
> ++              then echo "$(1)"; else echo "$(2)"; fi; )
> + #
> + # Include the make variables (CC, etc...)
> + #
> + AS    = $(CROSS_COMPILE)as
> +-LD    = $(CROSS_COMPILE)ld
> ++LD    = $(call exists_bfd_ld, "$(CROSS_COMPILE)ld.bfd", "$(CROSS_COMPILE)ld")
> + CC    = $(CROSS_COMPILE)gcc
> + CPP   = $(CC) -E
> + AR    = $(CROSS_COMPILE)ar
> +--
> +1.7.5.4
> +
> diff --git a/recipes-bsp/u-boot/u-boot_2011.09.bb b/recipes-bsp/u-boot/u-boot_2011.09.bb
> index 74c8518..4a9d3cb 100644
> --- a/recipes-bsp/u-boot/u-boot_2011.09.bb
> +++ b/recipes-bsp/u-boot/u-boot_2011.09.bb
> @@ -1,6 +1,6 @@
>  require u-boot.inc
>
> -PR = "r5"
> +PR = "r6"
>
>  # SPL build
>  UBOOT_BINARY = "u-boot.img"
> @@ -32,6 +32,7 @@ SRC_URI = "git://www.denx.de/git/u-boot.git;protocol=git \
>            file://2011.09/0019-BeagleBoard-config-Really-switch-to-ttyO2.patch \
>            file://2011.09/0020-beagleboard-add-support-for-TCT-Beacon-board.patch \
>            file://2011.09/0021-beagleboard-add-support-for-scanning-loop-through-ex.patch \
> +           file://0001-config-Always-use-GNU-ld.patch \
>            file://fw_env.config \
>           "
>
> --
> 1.7.5.4
>
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-- 
Tom



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