[syslinux] [PATCH] Dont bypass compiler driver for Dependency generation options

[Khem Raj]

> On Sep 13, 2015, at 11:04 AM, Gene Cumm <gene.cumm at gmail.com> wrote:
> 
> On Thu, Sep 10, 2015 at 1:55 AM, Khem Raj via Syslinux
> <syslinux at zytor.com> wrote:
>> We can let compiler driver pass the right options to preprocessor after
>> processing -Mxy options, right now its bypassing the gcc driver and
>> handing them straight to cpp
>> 
>> This also helps in other compilers processing these options correctly
>> for their preprocessors consumption
>> 
>> Signed-off-by: Khem Raj <raj.khem at gmail.com>
>> ---
>> mk/syslinux.mk | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>> 
>> diff --git a/mk/syslinux.mk b/mk/syslinux.mk
>> index 337560b..9ca74b1 100644
>> --- a/mk/syslinux.mk
>> +++ b/mk/syslinux.mk
>> @@ -82,11 +82,11 @@ ARCH ?= $(strip $(SUBARCH))
>> GCCWARN  = -W -Wall -Wstrict-prototypes $(DEBUGOPT)
>> 
>> # Common stanza to make gcc generate .*.d dependency files
>> -MAKEDEPS = -Wp,-MT,$@,-MD,$(dir $@).$(notdir $@).d
>> +MAKEDEPS = -MT $@ -MD
>> 
>> # Dependencies that exclude system headers; use whenever we use
>> # header files from the platform.
>> -UMAKEDEPS = -Wp,-MT,$@,-MMD,$(dir $@).$(notdir $@).d
>> +UMAKEDEPS = -MT $@ -MMD
>> 
>> # Items that are only appropriate during development; this file is
>> # removed when tarballs are generated.
> 
> It looks like these were introduced in MCONFIG back in commit ID
> fe938522 and originally in a bunch of other commits like fbfc9121 and
> the earliest instance appears to be 17f96764.
> 
> Khem, at first I didn't quite understand the part about other
> compilers then it struck me that you're probably trying to build
> linux/syslinux and extlinux/extlinux without a gcc dependence.

I was using clang to compile it :). than I ran into further issues which I am tackling
and if any useful patch results, I will send upstream