[SeaBIOS] [PATCH v2] ld: don't hardcode "-melf_i386"

[Ian Campbell]

On Wed, 2014-04-16 at 09:14 +0200, Roger Pau Monne wrote:
> On FreeBSD, the name of the emulation is "-melf_i386_fbsd", so allow
> SeaBIOS to fetch the emulation to use from the environment variables.
> 
> This allows SeaBIOS to compile on FreeBSD with gcc.
> 
> Signed-off-by: Roger Pau Monné <roger.pau at citrix.com>
> Cc: Ian Campbell <ian.campbell at citrix.com>

Since you CCd me, FWIW: Acked-by: Ian Campbell <ian.campbell at citrix.com>

> ---
> Changes in v2:
>  - Rebase on top of master
> ---
>  Makefile |    5 +++--
>  1 files changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/Makefile b/Makefile
> index e567ba1..4338f94 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -24,6 +24,7 @@ STRIP=$(CROSS_PREFIX)strip
>  PYTHON=python
>  CPP=cpp
>  IASL:=iasl
> +LD32BIT_FLAG:=-melf_i386
>  
>  # Source files
>  SRCBOTH=misc.c stacks.c output.c string.c x86.c block.c cdrom.c mouse.c kbd.c \
> @@ -154,8 +155,8 @@ $(OUT)romlayout16.lds: $(OUT)ccode32flat.o $(OUT)code32seg.o $(OUT)ccode16.o $(O
>  	@echo "  Building ld scripts"
>  	$(Q)./scripts/buildversion.sh $(OUT)version.c
>  	$(Q)$(CC) $(CFLAGS32FLAT) -c $(OUT)version.c -o $(OUT)version.o
> -	$(Q)$(LD) -melf_i386 -r $(OUT)ccode32flat.o $(OUT)version.o -o $(OUT)code32flat.o
> -	$(Q)$(LD) -melf_i386 -r $(OUT)ccode16.o $(OUT)romlayout.o -o $(OUT)code16.o
> +	$(Q)$(LD) $(LD32BIT_FLAG) -r $(OUT)ccode32flat.o $(OUT)version.o -o $(OUT)code32flat.o
> +	$(Q)$(LD) $(LD32BIT_FLAG) -r $(OUT)ccode16.o $(OUT)romlayout.o -o $(OUT)code16.o
>  	$(Q)$(OBJDUMP) -thr $(OUT)code32flat.o > $(OUT)code32flat.o.objdump
>  	$(Q)$(OBJDUMP) -thr $(OUT)code32seg.o > $(OUT)code32seg.o.objdump
>  	$(Q)$(OBJDUMP) -thr $(OUT)code16.o > $(OUT)code16.o.objdump