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Signed-off-by: Niklaus Giger <niklaus.giger@member.fsf.org>
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Before this commit, weak symbols were not overridden by non-weak symbols
found in archive libraries when linking with recent versions of
binutils. As stated in the System V ABI, "the link editor does not
extract archive members to resolve undefined weak symbols".
This commit changes all Makefiles to use partial linking (ld -r) instead
of creating library archives, which forces all symbols to participate in
linking, allowing non-weak symbols to override weak symbols as intended.
This approach is also used by Linux, from which the gmake function
cmd_link_o_target (defined in config.mk and used in all Makefiles) is
inspired.
The name of each former library archive is preserved except for
extensions which change from ".a" to ".o". This commit updates
references accordingly where needed, in particular in some linker
scripts.
This commit reveals board configurations that exclude some features but
include source files that depend these disabled features in the build,
resulting in undefined symbols. Known such cases include:
- disabling CMD_NET but not CMD_NFS;
- enabling CONFIG_OF_LIBFDT but not CONFIG_QE.
Signed-off-by: Sebastien Carlier <sebastien.carlier@gmail.com>
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Out of tree building of the Netstal hcu4 and hcu5 boards failed like
that:
Assembler messages:
Fatal error: can't create /work/wd/tmp-ppc/board/netstal/hcu4/../common/fixed_sdram.o: No such file or directory
Assembler messages:
Fatal error: can't create /work/wd/tmp-ppc/board/netstal/hcu4/../common/nm_bsp.o: No such file or directory
make[1]: *** [/work/wd/tmp-ppc/board/netstal/hcu4/../common/fixed_sdram.o] Error 2
Adapt (and simplify) the respective Makefiles.
Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Niklaus Giger <niklaus.giger@netstal.com>
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Signed-off-by: Wolfgang Denk <wd@denx.de>
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Cleanup: Remove custom flash driver for 8 bit boot-eprom and replace it with
the FLASH_CFI_LEGACY et al. config options.
Signed-off-by: Niklaus Giger <niklaus.giger@netstal.com>
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Signed-off-by: Niklaus Giger <niklaus.giger@netstal.com>
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Signed-off-by: Stefan Roese <sr@denx.de>
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- Moved some common code to netstal/common/nm_bsp.c.
- sdram initialisation goes go netstal/common/fixed_sdram.c.
- Added support for POST.
- Stylistic cleanups (multi-line comments/ enforce 80 colomn width)
Signed-off-by: Niklaus Giger <niklaus.giger@netstal.com>
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Signed-off-by: Niklaus Giger <niklaus.giger@netstal.com>
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Signed-off-by: Niklaus Giger <niklaus.giger@netstal.com>
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