Public bug reported:
While investigating why I couldn't compile sage on the toshiba AC100 (an
ARM-based netbook) -- this is report
http://trac.sagemath.org/sage_trac/ticket/10285 , it appeared that some
of the problems are due to the compiler, which from a C file goes to an
assembly file... and then fails to build it!
Here is an example -- taken from Boehm's garbage collector's failed
compilation (the full build log is attached to the sage report):
gcc -DPACKAGE_NAME=\"gc\" -DPACKAGE_TARNAME=\"gc\" -DPACKAGE_VERSION=\"7.1\"
"-DPACKAGE_STRING=\"gc 7.1\"" -DPACKAGE_BUGREPORT=\"snipped\" -DGC_VERSI
ON_MAJOR=7 -DGC_VERSION_MINOR=1 -DPACKAGE=\"gc\" -DVERSION=\"7.1\" -DGC_LINUX_TH
READS=1 -D_REENTRANT=1 -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1
-DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE
_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DNO_EXECUTE_
PERMISSION=1 -DALL_INTERIOR_POINTERS=1 -DGC_GCJ_SUPPORT=1 -DJAVA_FINALIZATION=1
-DATOMIC_UNCOLLECTABLE=1 -DLARGE_CONFIG=1 -I./include -fexceptions -I libatomic_
ops/src -g -O2 -MT alloc.lo -MD -MP -MF .deps/alloc.Tpo -c alloc.c -fPIC -DPIC
-o .libs/alloc.o
/tmp/cckXY2Jn.s: Assembler messages:
/tmp/cckXY2Jn.s:1314: Error: selected processor does not support Thumb mode
`swp ip,r2,[r3]'
/tmp/cckXY2Jn.s:1371: Error: selected processor does not support Thumb mode
`swp ip,r0,[r2]'
/tmp/cckXY2Jn.s:2783: Error: selected processor does not support Thumb mode
`swp lr,r2,[r6]'
/tmp/cckXY2Jn.s:2851: Error: selected processor does not support Thumb mode
`swp r1,r0,[r3]'
/tmp/cckXY2Jn.s:3613: Error: selected processor does not support Thumb mode
`swp ip,r2,[r3]'
/tmp/cckXY2Jn.s:3652: Error: selected processor does not support Thumb mode
`swp ip,r1,[r3]'
make[3]: *** [alloc.lo] Error 1
** Affects: ubuntu
Importance: Undecided
Status: New
--
Generated assembly doesn't correspond to the ARM processor
https://bugs.launchpad.net/bugs/677360
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