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我正在尝试在运行 Linux 2.6.31.8 armv5tel的Buffalo LinkStation Pro Duo解锁后)上编译 GCC 4.7.2。

不幸的是,make抛出相当多的错误,从

gcc -c  -DIN_GCC_FRONTEND -g -fkeep-inline-functions -DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-formIn file included from ../../gcc-4.7.2/gcc/tree.h:32,
                 from ../../gcc-4.7.2/gcc/c-lang.c:27:
../../gcc-4.7.2/gcc/real.h:53: error: 'SIZEOF_LONG' undeclared here (not in a function)
In file included from ../../gcc-4.7.2/gcc/tree.h:32,
                 from ../../gcc-4.7.2/gcc/c-lang.c:27:
../../gcc-4.7.2/gcc/real.h:87:5: error: division by zero in #if
../../gcc-4.7.2/gcc/real.h:87:5: error: division by zero in #if
../../gcc-4.7.2/gcc/real.h:90:6: error: division by zero in #if

real.hreads的第 53 行unsigned long sig[SIGSZ];,其中SIGSZ在第 40 行定义为,
#define SIGSZ (SIGNIFICAND_BITS / HOST_BITS_PER_LONG)
而第 87行从第 72 行开始定义#if REAL_WIDTH == 1REAL_WIDTH
#define REAL_WIDTH \
(REAL_VALUE_TYPE_SIZE/HOST_BITS_PER_WIDE_INT \
+ (REAL_VALUE_TYPE_SIZE%HOST_BITS_PER_WIDE_INT ? 1 : 0)) /* round up */

这似乎归结为HOST_BITS_PER_*为零。我是否必须使用某些configure参数手动定义这些,或者如何解决此问题?


更新

config.log包含以下错误:

conftest.c:10:19: error: ppl_c.h: No such file or directory
conftest.c: In function 'main':
conftest.c:16: error: 'choke' undeclared (first use in this function)
conftest.c:16: error: (Each undeclared identifier is reported only once
conftest.c:16: error: for each function it appears in.)
conftest.c:16: error: expected ';' before 'me'
configure:5708: $? = 1
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME ""
| #define PACKAGE_TARNAME ""
| #define PACKAGE_VERSION ""
| #define PACKAGE_STRING ""
| #define PACKAGE_BUGREPORT ""
| #define PACKAGE_URL ""
| #define LT_OBJDIR ".libs/"
| /* end confdefs.h.  */
| #include "ppl_c.h"
| int
| main ()
| {
|.
|     #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
|     choke me
|     #endif
|.
|   ;
|   r

这篇文章之后,我似乎忘记安装ppl,我现在就试试

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2 回答 2

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SIZEOF_LONG应该#defineconfigure文件中auto-host.h。您auto-host.h应该包含以下内容:

/* The size of `long', as computed by sizeof. */
#ifndef USED_FOR_TARGET
#define SIZEOF_LONG 8
#endif

如果上述不存在(在您的情况下看起来确实如此),请检查config.log错误。搜索字符串周围的错误checking size of long

于 2012-12-13T13:53:51.720 回答
1
  • 感谢chill的回答,我检查config.log发现
    conftest.c:10:19: error: ppl_c.h: No such file or directory
    (奇怪的是,这并没有阻止configure创建Makefile并返回成功错误代码)。谷歌第一次点击是这篇文章,显示我没有提供ppl 依赖项。
  • ppl-1.0 编译向我打招呼,
    checked_float.inlines.hh:1012: error: 'frexpl' was not declared in this scope
    这让我看到了这篇文章,建议我改用1.1 快照,这很有效
  • 现在,gccmake给了我另一个“有用”的错误:
    gcc/../libcpp/include/line-map.h:66: error: 'CHAR_BIT'
    原来由于以C_INCLUDE_PATH 冒号结尾(我已经经历了checking LIBRARY_PATH variable... contains current directory那篇文章中提到的错误,但也没有考虑检查其他变量)

编译仍在运行,到目前为止没有更多错误...

于 2012-12-14T08:03:44.433 回答