[oe] [meta-browser] Chromium and gold linker

[Denys Dmytriyenko]

On Mon, Jul 10, 2017 at 04:36:42PM -0400, Denys Dmytriyenko wrote:
> Khem, et al,
> 
> I couldn't find below patch being discussed on this mailing list before it got 
> merged:
> 
> https://github.com/OSSystems/meta-browser/commit/62e323848f569c4cdea5567b1917ce006d7705af

https://github.com/OSSystems/meta-browser/commit/55a74501bc65c90c86e3236b51ec2dc2fc0145fb

"ld-is-gold just means that my default linker is gold, however we build
both linkers, so one should be able to enable gold just for linking
chromium even if default ld is bfd linker."

I strongly disagree with such interpretation - this would mean there's NO way 
to disable gold linker completely, e.g. for when external toolchain doesn't 
support it.


> According to the layer README, openembedded-devel is the official mailing list 
> to submit patches. I understand that github pull request is a nice shortcut, 
> but it prevents others from seeing and commenting on the patches...
> 
> 
> My issue with this change is that it makes an assumption of using OE-built 
> toolchain. It now breaks external toolchains like this:
> 
> | [17/20569] LINK genmacro
> | FAILED: genmacro
> | gcc  -L/opt/linaro-2016.11/arm-linux-gnueabihf/lib -Wl,-rpath-link,/opt/linaro-2016.11/arm-linux-gnueabihf/lib -Wl,-O1 -Wl,--hash-style=gnu -Wl,-z,now -Wl,-z,relro -Wl,-z,defs -pthread -Wl,-z,noexecstack -fPIC -fuse-ld=gold -Wl,--disable-new-dtags -Wl,-O1 -Wl,--as-needed -Wl,--gc-sections -Wl,--no-as-needed -lpthread -Wl,--as-needed -o genmacro -Wl,--start-group obj.host/third_party/yasm/source/patched-yasm/tools/genmacro/genmacro.genmacro.o -Wl,--end-group
> | /usr/bin/ld.gold: fatal error: /opt/linaro-2016.11/arm-linux-gnueabihf/lib/libgcc_s.so.1: unsupported ELF machine number 40
> | collect2: error: ld returned 1 exit status
> | [18/20569] LINK genstring
> | FAILED: genstring
> | gcc  -L/opt/linaro-2016.11/arm-linux-gnueabihf/lib -Wl,-rpath-link,/opt/linaro-2016.11/arm-linux-gnueabihf/lib -Wl,-O1 -Wl,--hash-style=gnu -Wl,-z,now -Wl,-z,relro -Wl,-z,defs -pthread -Wl,-z,noexecstack -fPIC -fuse-ld=gold -Wl,--disable-new-dtags -Wl,-O1 -Wl,--as-needed -Wl,--gc-sections -Wl,--no-as-needed -lpthread -Wl,--as-needed -o genstring -Wl,--start-group obj.host/third_party/yasm/source/patched-yasm/genstring.genstring.o -Wl,--end-group
> | /usr/bin/ld.gold: fatal error: /opt/linaro-2016.11/arm-linux-gnueabihf/lib/libgcc_s.so.1: unsupported ELF machine number 40
> | collect2: error: ld returned 1 exit status
> 
> -- 
> Denys
> -- 
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