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while playing around with Gentoo on uClibc, i hit some troubles with ldconfig
first, i found that it kept trying to read 'etc/ld.so.conf' ... it didnt want
to read '/etc/ld.so.conf' ... looking at the source, the default conf file is
defined as UCLIBC_RUNTIME_PREFIX "etc/ld.so.conf" ... all fine and dandy, but
the utils/Makefile builds the .c files with this:
-DUCLIBC_RUNTIME_PREFIX=$(R_PREFIX)
i couldnt find where R_PREFIX was defined/used anywhere else, but i did find
that every other time UCLIBC_RUNTIME_PREFIX was defined, it was set like:
-DUCLIBC_RUNTIME_PREFIX=\"$(RUNTIME_PREFIX)\"
changing the utils/Makefile to be like this fixed things for me
next up, i found that i wasnt getting an /etc/ld.so.cache file when i ran
`ldconfig` ... looking at the code, USE_CACHE needs to be defined ...
Rules.mak has a line that reads LIBRARY_CACHE:=#-DUSE_CACHE by default, but
then LIBRARY_CACHE is never used anywhere :)
so the fix here is to add $(LIBRARY_CACHE) to the lines in utils/Makefile
where the .c files are compiled
perhaps a suggestion then ? in my mind it makes sense to utilize a cache file
when running uclibc native but perhaps not while cross compiling ... so
perhaps add LIBRARY_CACHE:=-DUSE_CACHE to the section in Rules.mak where LDSO
is set to the uclibc linker (i.e. native) but set LIBRARY_CACHE:=#-DUSE_CACHE
where LDSO is the $(SYSTEM_LDSO) (i.e. cross compiling)
Applied with minor fixes.
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Remember to flose an fopened file
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on libuClibc
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on fully resolved names
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value correctly, since it forgot to lookup the correct value
in the string table.
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Also, build the iconv app in utils.
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Nothing overly interesting here, this renames Hitachi/Mitsubishi to Renesas
for the relevant platforms (in this case, h8, sh, and m32r). The same changes
have already been going on in gcc/binutils/gdb/glibc/etc.
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There is code in ldconfig that checks to see if a shared library is named
either ``lib*'' or ``ld-*'' before ldconfig -l will work on it. gawk uses this
feature of ldconfig to make /lib/rcscripts/filefuncs.so, so the build fails.
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Also try to make sure the build breaks if we want soft float but
don't know how to request it.
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broke the install target
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around...
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