On Mon, Jun 4, 2018 at 2:26 AM, Gary Mills <gary_mi...@fastmail.fm> wrote:
> In an attempt to build python2.7 on a T2000 (SPARC), I received this > error: > > /usr/gcc/4.4.4/bin/gcc -m32 -O3 -mno-app-regs -fPIC -DPIC -std=c99 > -D_XOPEN_SOURCE=600 -m32 -fPIC -DPIC -R/usr/gnu/lib -L/usr/gnu/lib -o > python \ > Modules/python.o \ > -L. -lpython2.7 -lsocket -lnsl -ldl -lm > Undefined first referenced > symbol in file > asm ./libpython2.7.so > ld: fatal: symbol referencing errors. No output written to python > collect2: ld returned 1 exit status > > This happens because Python/ceval.c contains two instances of code > like this: > > #if defined(__sparc) > + asm("nop"); > #endif > > This code was inserted by a patch called 05-dtrace.patch . The file > dtrace.patch.diff, attached to this message, shows the changes I made > to the patch. These changes fix the problem. > > One of the modules also failed to build, producing these errors: > > /export/home/mills/Downloads/code/oi-userland/components/ > python/python27/Python-2.7.14/Modules/_ctypes/libffi/src/sparc/ffi.c:526: > error: 'asm' undeclared (first use in this function) > /export/home/mills/Downloads/code/oi-userland/components/ > python/python27/Python-2.7.14/Modules/_ctypes/libffi/src/sparc/ffi.c:526: > error: expected ';' before 'volatile' > > The new patch 31-sparc.patch, also attached, fixes this problem. > Finally, I updated COMPONENT_REVISION in the Makefile to signal the > presence of the adjusted patch and the new one as in the file > Makefile.diff, also attached. > > These changes only affect the SPARC build. Later python versions > likely require the same changes, but I haven't checked. > > I'd appreciate it if somebody could verify that these changes are > correct. I assume they are. The build completes after these changes > are made. > Why not just activate GNU extensions with -std=gnu99? Python 2.7 was probably compiled with them until I added -std=c99. > > > -- > -Gary Mills- -refurb- -Winnipeg, Manitoba, > Canada- > > _______________________________________________ > oi-dev mailing list > oi-dev@openindiana.org > https://openindiana.org/mailman/listinfo/oi-dev > -- --- Praise the Caffeine embeddings
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