我正在尝试在远程Debian 7系统上安装gcc-4.8.2编译器，但我没有root权限，只有ssh访问权限。我发现最简单的方法是从源代码编译编译器。我遵循GCC网页上这个简短的安装手册。基本上，我进行了最简单的安装，该安装步骤总结在页面底部。
我正在使用Debian上的gcc 4.7.2-5进行编译。本地机器上有Ubuntu 13.10和gcc 4.7.3，目前构建似乎很好（仍在运行）。请问这些错误的原因是什么？编辑：我检查了/home/mdrozdik/gccbuild/libcpp/config.log文件。它非常长，但有两个地方出现了这些错误。
tar xzf gcc-4.8.2.tar.gz
cd gcc-4.8.2
./contrib/download_prerequisites
cd ..
mkdir objdir
cd objdir
$PWD/../gcc-4.8.2/configure --prefix=$HOME/gcc-4.8.2 --enable-languages=c++
make
有一个小问题，由于防火墙限制，我没有在远程机器上运行./contrib/download_prerequisites脚本。相反，我在本地机器上运行它，然后将整个文件夹压缩成gcc-4.8.2.tar.gz并使用scp传输到远程机器。在那里，我重新创建了先决条件库（gmp、...）的符号链接，并运行make。几秒钟后，我收到了难以置信的错误信息：
In file included from ./tm.h:19:0,
from ../../gcc-4.8.2/gcc/c/c-lang.c:24:
./options.h:4078:2: error: #error too many masks for ix86_isa_flags
In file included from ../../gcc-4.8.2/gcc/tree.h:26:0,
from ../../gcc-4.8.2/gcc/c/c-lang.c:25:
../../gcc-4.8.2/gcc/statistics.h:25:2: error: #error GATHER_STATISTICS must be defined
In file included from ../../gcc-4.8.2/gcc/system.h:268:0,
from ../../gcc-4.8.2/gcc/c/c-lang.c:22:
../../gcc-4.8.2/gcc/hwint.h:16:39: error: division by zero in #if
../../gcc-4.8.2/gcc/hwint.h:16:39: error: division by zero in #if
../../gcc-4.8.2/gcc/hwint.h:16:39: error: division by zero in #if
../../gcc-4.8.2/gcc/hwint.h:16:39: error: division by zero in #if
../../gcc-4.8.2/gcc/hwint.h:16:39: error: division by zero in #if
../../gcc-4.8.2/gcc/hwint.h:16:39: error: division by zero in #if
../../gcc-4.8.2/gcc/hwint.h:16:39: error: division by zero in #if
../../gcc-4.8.2/gcc/hwint.h:16:39: error: division by zero in #if
../../gcc-4.8.2/gcc/hwint.h:16:39: error: division by zero in #if
../../gcc-4.8.2/gcc/hwint.h:16:39: error: division by zero in #if
../../gcc-4.8.2/gcc/hwint.h:16:39: error: division by zero in #if
../../gcc-4.8.2/gcc/hwint.h:16:39: error: division by zero in #if
In file included from ../../gcc-4.8.2/gcc/tree.h:29:0,
from ../../gcc-4.8.2/gcc/c/c-lang.c:25:
../../gcc-4.8.2/gcc/real.h:103:9: error: #error "REAL_WIDTH > 6 not supported"
In file included from ../../gcc-4.8.2/gcc/c-family/c-common.h:24:0,
from ../../gcc-4.8.2/gcc/c/c-tree.h:23,
from ../../gcc-4.8.2/gcc/c/c-lang.c:26:
../../gcc-4.8.2/gcc/../libcpp/include/cpplib.h:265:3: error: #error "Cannot find a least-32-bit signed integer type"
In file included from ../../gcc-4.8.2/gcc/c/c-lang.c:22:0:
../../gcc-4.8.2/gcc/system.h:500:34: error: declaration of C function ‘const char* strsignal(int)’ conflicts with
In file included from /usr/include/c++/4.7/cstring:44:0,
from ../../gcc-4.8.2/gcc/system.h:205,
from ../../gcc-4.8.2/gcc/c/c-lang.c:22:
/usr/include/string.h:566:14: error: previous declaration ‘char* strsignal(int)’ here
In file included from ../../gcc-4.8.2/gcc/system.h:645:0,
from ../../gcc-4.8.2/gcc/c/c-lang.c:22:
../../gcc-4.8.2/gcc/../include/libiberty.h:110:36: error: new declaration ‘char* basename(const char*)’
In file included from /usr/include/c++/4.7/cstring:44:0,
from ../../gcc-4.8.2/gcc/system.h:205,
from ../../gcc-4.8.2/gcc/c/c-lang.c:22:
/usr/include/string.h:603:28: error: ambiguates old declaration ‘const char* basename(const char*)’
In file included from ../../gcc-4.8.2/gcc/tree.h:27:0,
from ../../gcc-4.8.2/gcc/c/c-lang.c:25:
../../gcc-4.8.2/gcc/vec.h: In static member function ‘static void va_heap::reserve(vec<T, va_heap, vl_embed>*&, unsigned int, bool)’:
../../gcc-4.8.2/gcc/vec.h:295:7: error: ‘GATHER_STATISTICS’ was not declared in this scope
../../gcc-4.8.2/gcc/vec.h:303:7: error: ‘GATHER_STATISTICS’ was not declared in this scope
../../gcc-4.8.2/gcc/vec.h: In static member function ‘static void va_heap::release(vec<T, va_heap, vl_embed>*&)’:
../../gcc-4.8.2/gcc/vec.h:317:7: error: ‘GATHER_STATISTICS’ was not declared in this scope
In file included from ../../gcc-4.8.2/gcc/tree.h:29:0,
from ../../gcc-4.8.2/gcc/c/c-lang.c:25:
../../gcc-4.8.2/gcc/real.h: At global scope:
../../gcc-4.8.2/gcc/real.h:51:21: error: ‘SIZEOF_LONG’ was not declared in this scope
../../gcc-4.8.2/gcc/real.h:51:21: error: ‘SIZEOF_LONG’ was not declared in this scope
../../gcc-4.8.2/gcc/real.h:76:31: error: ‘SIZEOF_LONG’ was not declared in this scope
../../gcc-4.8.2/gcc/real.h:76:31: error: ‘SIZEOF_LONG’ was not declared in this scope
../../gcc-4.8.2/gcc/real.h:76:31: error: ‘SIZEOF_LONG’ was not declared in this scope
../../gcc-4.8.2/gcc/real.h:76:31: error: ‘SIZEOF_LONG’ was not declared in this scope
In file included from ../../gcc-4.8.2/gcc/c-family/c-common.h:24:0,
from ../../gcc-4.8.2/gcc/c/c-tree.h:23,
from ../../gcc-4.8.2/gcc/c/c-lang.c:26:
../../gcc-4.8.2/gcc/../libcpp/include/cpplib.h:267:35: error: expected initializer before ‘cppchar_t’
../../gcc-4.8.2/gcc/../libcpp/include/cpplib.h:268:9: error: ‘CPPCHAR_SIGNED_T’ does not name a type
../../gcc-4.8.2/gcc/../libcpp/include/cpplib.h:777:8: error: ‘cppchar_t’ does not name a type
../../gcc-4.8.2/gcc/../libcpp/include/cpplib.h:788:8: error: ‘cppchar_t’ does not name a type
../../gcc-4.8.2/gcc/../libcpp/include/cpplib.h:966:8: error: ‘cppchar_t’ does not name a type
make[3]: *** [c/c-lang.o] Error 1
make[3]: Leaving directory `/home/mdrozdik/gccbuild/gcc'
make[2]: *** [all-stage1-gcc] Error 2
make[2]: Leaving directory `/home/mdrozdik/gccbuild'
make[1]: *** [stage1-bubble] Error 2
make[1]: Leaving directory `/home/mdrozdik/gccbuild'
make: *** [all] Error 2
我正在使用Debian上的gcc 4.7.2-5进行编译。本地机器上有Ubuntu 13.10和gcc 4.7.3，目前构建似乎很好（仍在运行）。请问这些错误的原因是什么？编辑：我检查了/home/mdrozdik/gccbuild/libcpp/config.log文件。它非常长，但有两个地方出现了这些错误。
configure:3086: gcc -V >&5
gcc: error: unrecognized command line option '-V'
gcc: fatal error: no input files
compilation terminated.
configure:3097: $? = 4
configure:3086: gcc -qversion >&5
gcc: error: unrecognized command line option '-qversion'
gcc: fatal error: no input files
compilation terminated.
configure:3097: $? = 4
但是日志仍然持续了好几页。
config.log文件。你是指/home/mdrozdik/gccbuild/libcpp/config.log吗？我会查看它。 - Martin Drozdik