On Fri, Jan 21, 2011 at 12:17 PM, <brian.she...@pmaclabs.com> wrote: > I would have thought that building python-2.7.1 would be pretty > straightforward - even on an SGI Altix. There were no issues when I ran > configure. However, running make results in the following compile error: > > Objects/floatobject.c(2603): remark #810: conversion from "int" to > "unsigned char" may lose significant bits > sign = (*p >> 7) & 1; > ^ > (0): internal error: backend signals > compilation aborted for Objects/floatobject.c (code 4) > make: *** [Objects/floatobject.o] Error 4 > > The compiler instructions were: > > icc -pthread -c -fno-strict-aliasing -Olimit 1500 -g -O2 -DNDEBUG -g > -O3 -Wall -Wstrict-prototypes -I. -IInclude -I./Include > -DPy_BUILD_CORE -o Objects/floatobject.o Objects/floatobject.c > > Does anyone have any ideas what the problem might be? Thanks in advance. >
This mailing list is really targeted at the python programming language, not so much building python. You may get better results somewhere like stackoverflow. However, if I had to guess, the problem is likely in the code that is converting an int to an unsigned char - icc is probably set to die on the warning. However, I'm not familiar enough with C code or the compiler flags to tell you how to fix/ignore it. Good luck, Wayne
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