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ae14cd49a8
Use CROSS_COMPILE instead of CROSS as other projects are doing (i.e. kernel, busybox, buildroot). CROSS is still supported for backward compatibility only Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
55 lines
1.4 KiB
Plaintext
55 lines
1.4 KiB
Plaintext
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README for uC-libc on the m68k[nommu] architecture
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James Graves <jgraves@deltamobile.com>
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For now (2001/1/9) support for the m68k should be considered "alpha"
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quality at best. It mostly works OK for some of the stuff I'm working
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on, but you can't fully compile other things (like the user
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applications for uClinux). Needs lots more testing.
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Only developed/tested with m68k-pic-coff-gcc 2.7.2.3-pic-060999, from
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Lineo.
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Configuration:
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Read and edit the Config file, carefully.
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TARGET_ARCH=m68k
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CROSS_COMPILE = m68k-pic-coff-
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CC = $(CROSS_COMPILE)gcc
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STRIPTOOL = $(CROSS_COMPILE)strip
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KERNEL_SOURCE=/opt/uClinux/linux
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HAS_MMU = false
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HAS_FLOATS = false
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MALLOC = malloc-simple
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INSTALL_DIR = /opt/uClinux/m68k-pic-coff
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The regular malloc library is broken, dunno why. Use
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simple-malloc.
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Installation:
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Theoretically, you should be able to install right over the
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existing uC-libc 0.9.1 files in
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/opt/uClinux/m68k-pic-coff/include, but I recommend cleaning
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out all the include files there.
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The only file in there that's not from the old uC-libc is
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assert.h, but I don't know why that would be the valid copy.
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run:
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make install
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Problems:
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I _may_ be able to help if you run into problems. Create a
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really, really short program that demonstrates the problem,
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and contact me.
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TODO:
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Fix vfork().
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Does crt0.o still need to be a separate file? Can't I just
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stick it in libc.a and be done with it? Is that specified in
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the GCC link options?
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