Re: [Tinyx-devel] [PATCH] BUILD: Improving build system

[David C. <da...@gm...>]

Hi,

On 1/12/08, Felipe Balbi <me...@fe...> wrote:
> On Sat, Jan 12, 2008 at 12:33:29PM -0400, David Cohen wrote:
> > This patch adds symbolic path to include/asm/arch directory and use gcc
> > instead of ld to link final tinyx image.
> >
> > Signed-off-by: David Cohen <da...@gm...>
> > ---
> >  Makefile |   14 ++++++++------
> >  1 files changed, 8 insertions(+), 6 deletions(-)
> >
> > diff --git a/Makefile b/Makefile
> > index 3b0a471..f452c11 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -9,6 +9,7 @@ HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
> >  CROSS_COMPILE ?= arm-linux-
> >
> >  ARCH = arm7
> > +MODEL = lpc2xxx
>
> CPU would look better here.

I agree. I' ll change to cpu.

Br,

David

>
> We could later,
> if cpu_is_lpc2xxx()
> and let gcc do the optimizations.
>
> >
> >  AS = $(CROSS_COMPILE)as
> >  LD = $(CROSS_COMPILE)ld
> > @@ -19,7 +20,7 @@ STRIP = $(CROSS_COMPILE)strip
> >  OBJCOPY = $(CROSS_COMPILE)objcopy
> >  OBJDUMP      = $(CROSS_COMPILE)objdump
> >  AWK = awk
> > -CFLAGS = -Wall -Os -mcpu=arm7tdmi
> > +CFLAGS = -Wall -Os -mcpu=arm7tdmi -nostdlib
> >  INCLUDES = -Iinclude -Iinclude/libc
> >
> >  PYTHON = python
> > @@ -28,14 +29,15 @@ MAKEFLAGS += --no-print-directory
> >
> >  all-sources = $(shell git-ls-files)
> >
> > -export ARCH AS LD CC AR NM STRIP OBJCOPY OBJDUMP AWK CFLAGS PYTHON INCLUDES
> > +export ARCH MODEL AS LD CC AR NM STRIP OBJCOPY OBJDUMP AWK CFLAGS PYTHON INCLUDES
> >
> >  tinyx.dirs = lib/ arch/ kernel/
> >
> >  tinyx.objs = $(patsubst %/, %/tyx_part.o, $(tinyx.dirs))
> >
> > -$(shell rm -f $(tinyx.objs) include/asm)
> > +$(shell rm -f $(tinyx.objs) include/asm/arch include/asm)
> >  $(shell ln -s asm-$(ARCH) include/asm)
> > +$(shell ln -s arch-$(MODEL) include/asm/arch)
> >
> >  _all:
> >
> > @@ -52,7 +54,8 @@ tinyx.hex: tinyx.elf
> >       $(OBJCOPY) -O ihex build/$< build/$@
> >
> >  tinyx.elf: $(tinyx.objs)
> > -     $(LD) -EL -T arch/$(ARCH)/kernel/kernel.ld -o build/$@ $(tinyx.objs)
> > +     #$(LD) -EL -T arch/$(ARCH)/kernel/kernel.ld -o build/$@ $(tinyx.objs)
> > +     $(CC) -Xlinker --script=arch/$(ARCH)/kernel/kernel.ld -o build/$@ $(tinyx.objs)
> >
> >  $(tinyx.objs):
> >       @$(MAKE) target=$@ -f scripts/Makefile.build
> > @@ -63,7 +66,6 @@ endef
> >
> >  tags:
> >       $(call xtags, ctags)
> > -
> >  .PHONY: clean
> >  clean:
> >       @cleandirs="$(shell $(PYTHON) scripts/expandtree.py $(tinyx.dirs))"; \
> > @@ -72,6 +74,6 @@ clean:
> >         cleanobjs="$$cleanobjs $$dir*.o"; \
> >       done; \
> >       echo "rm -f $$cleanobjs include/asm build/tinyx.hex build/tinyx.elf build/tinyx.deps"; \
> > -     rm -f $$cleanobjs include/asm build/tinyx.hex build/tinyx.elf build/tinyx.deps;
> > +     rm -f $$cleanobjs include/asm/arch include/asm build/tinyx.hex build/tinyx.elf build/tinyx.deps;
> >
> >
> > --
> > 1.5.3.7
> >
> >
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>
> --
> Best Regards,
>
> Felipe Balbi
> me...@fe...
> http://blog.felipebalbi.com