Hi Gotom, I'm trying to explain how I understand these issues, but it might not be correct:
On Mon, Feb 17, 2003 at 12:49:44AM +0900, GOTO Masanori wrote: > 1. Why is __fixunsdfdi appeared, on the contrary why is not __fixdfdi > appeared gcc does the double -> signed long long conversion inline but uses a function call for the unsigned conversion. > 2. Are there any problems to appear __fixunsdfdi? Don't think so. Have a look at the binary with readelf. The linker produces an entry with visibility hidden (which is what he should do) or a relocation entry and an undefined reference when linking against libgcc_s. I think that's fine. > 3. libgcc-compat resolves this apprearing __fixunsdfdi? (I don't think so) No the symbol comes from libgcc.a or libgcc_s.so if you link with -lgcc_s [..snip..] > But, I would like to know is "what package is caused problems without > libgcc-compat patch". At least, ".globl __cmpdi2" appeared binaries > works fine on sid. For example: /usr/bin/nm __udivdi3 /usr/bin/nm __umoddi3 /usr/bin/strip __ucmpdi2 /usr/bin/strip __udivdi3 from woody. Then do a: LD_BIND_NOW=TRUE LD_DEBUG=bindings strip 2>&1 | grep udivdi and you see: 25327: binding file /lib/libc.so.6 to /usr/lib/libbfd-2.13.90.0.4-multiarch.so: normal symbol `__udivdi3' [GLIBC_2.0] 25327: binding file /usr/lib/libbfd-2.13.90.0.4-multiarch.so to /usr/lib/libbfd-2.13.90.0.4-multiarch.so: normal symbol `__udivdi3' 25327: binding file strip to /usr/lib/libbfd-2.13.90.0.4-multiarch.so: normal symbol `__udivdi3' on recompilation of libbfd with gcc-3.2/glibc-2.3.1 these symbols aren't reexported by libbfd anymore and strip starts to fail [1] [..snip..] > Well, dcgui (#179781) should be fixed with the latest glibc and gcc > environment. Moreover, if binaries on woody/sarge works well, then I > think we should not add this compat-patch even if sid binaries causes > such unresolved symbol bug. No. We only add symbols for the woody->sarge transition. Regards, -- Guido [1] the point here is a bit moot since strip and libfd are in the same package but it shows the principle.
