Messages in this thread | | | From | Kees Cook <> | Date | Fri, 8 Feb 2019 00:48:52 +0000 | Subject | Re: [PATCH 1/4] init/Kconfig: add config support for detecting linker |
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On Thu, Feb 7, 2019 at 10:02 PM <ndesaulniers@google.com> wrote: > > Similar to how we differentiate between CONFIG_CC_IS_GCC and > CONFIG_CC_IS_CLANG, add CONFIG_LD_IS_BFD, CONFIG_LD_IS_GOLD, and > CONFIG_LD_IS_LLD. > > This simiplifies patches to Makefiles that need to do different things > for different linkers. > > Cc: Nathan Chancellor <natechancellor@gmail.com> > Cc: Sami Tolvanen <samitolvanen@google.com> > Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
-Kees
> --- > init/Kconfig | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/init/Kconfig b/init/Kconfig > index c9386a365eea..b6046dcf7794 100644 > --- a/init/Kconfig > +++ b/init/Kconfig > @@ -26,6 +26,15 @@ config CLANG_VERSION > config CC_HAS_ASM_GOTO > def_bool $(success,$(srctree)/scripts/gcc-goto.sh $(CC)) > > +config LD_IS_BFD > + def_bool $(success,$(LD) --version | head -n 1 | grep -q 'GNU ld') > + > +config LD_IS_GOLD > + def_bool $(success,$(LD) --version | head -n 1 | grep -q 'GNU gold') > + > +config LD_IS_LLD > + def_bool $(success,$(LD) --version | head -n 1 | grep -q 'LLD') > + > config CONSTRUCTORS > bool > depends on !UML > -- > 2.20.1.791.gb4d0f1c61a-goog >
-- Kees Cook
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