Re: [PATCH] BaseTools/build_rule: pass contents of DTC_FLAGS device tree compiler

["Gao, Liming" <liming.gao@intel.com>]

Ard:
  Do you consider to add DTC_FLAGS in tools_def.template file? Its value can be empty. So, user bases on tools_def.txt to know which option can be set. 

>-----Original Message-----
>From: Ard Biesheuvel [mailto:ard.biesheuvel@linaro.org]
>Sent: Thursday, February 01, 2018 5:49 AM
>To: edk2-devel@lists.01.org
>Cc: Gao, Liming <liming.gao@intel.com>; Zhu, Yonghong
><yonghong.zhu@intel.com>; lersek@redhat.com; Ard Biesheuvel
><ard.biesheuvel@linaro.org>
>Subject: [PATCH] BaseTools/build_rule: pass contents of DTC_FLAGS device
>tree compiler
>
>To allow device tree compilation to be customized at the platform or
>module level, pass the contents of the DTC_FLAGS variable on the
>dtc command line.
>
>Contributed-under: TianoCore Contribution Agreement 1.1
>Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
>---
> BaseTools/Conf/build_rule.template | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/BaseTools/Conf/build_rule.template
>b/BaseTools/Conf/build_rule.template
>index 3e6aa8ff0f34..a5e471eb3c10 100755
>--- a/BaseTools/Conf/build_rule.template
>+++ b/BaseTools/Conf/build_rule.template
>@@ -250,7 +250,7 @@
>
>     <Command.GCC>
>         "$(PP)" $(DTCPP_FLAGS) $(INC) ${src} > ${d_path}(+)${s_base}.i
>-        "$(DTC)" -I dts -O dtb -o ${dst} ${d_path}(+)${s_base}.i
>+        "$(DTC)" $(DTC_FLAGS) -I dts -O dtb -o ${dst} ${d_path}(+)${s_base}.i
>
> [Visual-Form-Representation-File]
>     <InputFile>
>--
>2.11.0