我对RISCV软件工具感兴趣，并且有一些 知识在linux和工具链中。我想在我的系统上安装riscv-tools 在ubuntu 14.04 - 32位运行。我尝试了github中给出的步骤和 构建失败。这个版本是否有任何基本要求。
错误日志：
configure: WARNING: decimal float is not supported for this target, ignored
In file included from ../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
In file included from ../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
In file included from ../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
In file included from ../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
In file included from ../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'In file included from ../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'In file included from ../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
In file included from ../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'In file included from ../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
In file included from ../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'make[3]: *** [_enable_execute_stack.o] Error 1
make[3]:
*** Waiting for unfinished jobs....
make[3]: *** [_lshrdi3.o] Error 1
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
make[3]: *** [_ashrdi3.o] Error 1
make[3]: *** [_muldi3.o] Error 1
make[3]: *** [_cmpdi2.o] Error 1
make[3]: *** [__main.o] Error 1
make[3]: *** [_clear_cache.o] Error 1
In file included from ../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'make[3]: *** [_negdi2.o] Error 1
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
In file included from ../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
make[3]: *** [_ucmpdi2.o] Error 1
In file included from ../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'make[3]: *** [_absvdi2.o] Error 1
make[3]: *** [_ashldi3.o] Error 1
make[3]: *** [_absvsi2.o] Error 1
In file included from ../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'make[3]: *** [_addvdi3.o] Error 1
make[3]: *** [_trampoline.o] Error 1
In file included from ../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'
../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
make[3]: *** [_addvsi3.o] Error 1
In file included from ../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'
../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
In file included from ../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'
../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
In file included from ../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'
../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
make[5]: *** [_muldi3.o] Error 1
make[5]: *** Waiting for unfinished jobs....
make[5]: *** [_lshrdi3.o] Error 1
make[5]: *** [_negdi2.o] Error 1
In file included from ../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'
../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
make[5]: *** [_ashldi3.o] Error 1
In file included from ../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'
../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
In file included from ../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'
../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
In file included from ../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'
../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
In file included from ../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.c:57:0:
../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:138:1: error: no data type for mode 'TI'
../../../../build-gcc-newlib-src/libgcc/../gcc/libgcc2.h:139:1: error: no data type for mode 'TI'
make[5]: *** [_cmpdi2.o] Error 1
make[5]: *** [_ashrdi3.o] Error 1
make[5]: *** [_clear_cache.o] Error 1
make[5]: *** [_ucmpdi2.o] Error 1
make[4]: *** [multi-do] Error 1
make[3]: *** [all-multi] Error 2
make[2]: *** [all-target-libgcc] Error 2
make[1]: *** [all] Error 2
make: *** [build-gcc-newlib] Error 2
答案 0 :(得分：2)
截至2014年10月27日，构建RISC-V工具链需要64位系统。