【已解决】Ubuntu中crosstool-ng编译出错：[ERROR] gtype-desc.c:8829:18: error: subscripted value is neither array nor pointer nor vector

【问题】

折腾：

【记录】Ubuntu下用crosstool-ng为xscale建立交叉编译器arm-xscale-linux-gnueabi-gcc

编译出错：

crifan@ubuntu:~/develop/crosstool-ng/crosstool-ng-1.18.0_build$ ct-ng build
[INFO ]  Performing some trivial sanity checks
[INFO ]  Build started 20130807.235739
[INFO ]  Building environment variables
[EXTRA]  Preparing working directories
[EXTRA]  Installing user-supplied crosstool-NG configuration
[EXTRA]  =================================================================
[EXTRA]  Dumping internal crosstool-NG configuration
[EXTRA]    Building a toolchain for:
[EXTRA]      build  = i686-pc-linux-gnu
[EXTRA]      host   = i686-pc-linux-gnu
[EXTRA]      target = arm-xscale-linux-gnueabi
[EXTRA]  Dumping internal crosstool-NG configuration: done in 0.09s (at 00:02)
[INFO ]  =================================================================
[INFO ]  Retrieving needed toolchain components' tarballs
[EXTRA]    Using 'linux-custom' from custom location
[INFO ]  Retrieving needed toolchain components' tarballs: done in 0.30s (at 00:02)
[INFO ]  =================================================================
[INFO ]  Extracting and patching toolchain components
[EXTRA]    Extracting 'linux-custom'
[EXTRA]    Extracting 'gmp-5.0.2'
[EXTRA]    Patching 'gmp-5.0.2'
[EXTRA]    Extracting 'mpfr-3.1.0'
[EXTRA]    Patching 'mpfr-3.1.0'
[EXTRA]    Extracting 'mpc-0.9'
[EXTRA]    Patching 'mpc-0.9'
[EXTRA]    Extracting 'libelf-0.8.13'
[EXTRA]    Patching 'libelf-0.8.13'
[EXTRA]    Extracting 'binutils-2.22'
[EXTRA]    Patching 'binutils-2.22'
[EXTRA]    Extracting 'gcc-4.6.0'
[EXTRA]    Patching 'gcc-4.6.0'
[EXTRA]    Extracting 'glibc-2.9'
[EXTRA]    Patching 'glibc-2.9'
[EXTRA]    Extracting 'glibc-ports-2.9'
[EXTRA]    Patching 'glibc-ports-2.9'
[EXTRA]    Extracting 'dmalloc-5.5.2'
[EXTRA]    Patching 'dmalloc-5.5.2'
[EXTRA]    Extracting 'gdb-6.8a'
[EXTRA]    Patching 'gdb-6.8a'
[EXTRA]    Extracting 'ncurses-5.9'
[EXTRA]    Patching 'ncurses-5.9'
[EXTRA]    Extracting 'expat-2.1.0'
[EXTRA]    Patching 'expat-2.1.0'
[EXTRA]    Extracting 'ltrace-0.5.3'
[EXTRA]    Patching 'ltrace-0.5.3'
[EXTRA]    Extracting 'strace-4.5.19'
[EXTRA]    Patching 'strace-4.5.19'
[INFO ]  Extracting and patching toolchain components: done in 89.30s (at 01:32)
[EXTRA]  Saving state to restart at step 'libc_check_config'...
[EXTRA]  Saving state to restart at step 'companion_libs_for_build'...
[EXTRA]  Saving state to restart at step 'binutils_for_build'...
[EXTRA]  Saving state to restart at step 'companion_libs_for_host'...
[INFO ]  =================================================================
[INFO ]  Installing GMP for host
[EXTRA]    Configuring GMP
[EXTRA]    Building GMP
[EXTRA]    Installing GMP
[INFO ]  Installing GMP for host: done in 50.61s (at 02:23)
[INFO ]  =================================================================
[INFO ]  Installing MPFR for host
[EXTRA]    Configuring MPFR
[EXTRA]    Building MPFR
[EXTRA]    Installing MPFR
[INFO ]  Installing MPFR for host: done in 21.73s (at 02:45)
[INFO ]  =================================================================
[INFO ]  Installing MPC for host
[EXTRA]    Configuring MPC
[EXTRA]    Building MPC
[EXTRA]    Installing MPC
[INFO ]  Installing MPC for host: done in 8.38s (at 02:53)
[EXTRA]  Saving state to restart at step 'binutils_for_host'...
[INFO ]  =================================================================
[INFO ]  Installing binutils for host
[EXTRA]    Configuring binutils
[EXTRA]    Building binutils
[EXTRA]    Installing binutils
[INFO ]  Installing binutils for host: done in 71.16s (at 04:05)
[EXTRA]  Saving state to restart at step 'cc_core_pass_1'...
[INFO ]  =================================================================
[INFO ]  Installing pass-1 core C compiler
[EXTRA]    Configuring gcc
[EXTRA]    Building gcc
[ERROR]    gtype-desc.c:8829:18: error: subscripted value is neither array nor pointer nor vector
[ERROR]    gtype-desc.c:8948:36: error: subscripted value is neither array nor pointer nor vector
[ERROR]    gtype-desc.c:9032:31: error: subscripted value is neither array nor pointer nor vector
[ERROR]    gtype-desc.c:9053:31: error: subscripted value is neither array nor pointer nor vector
[ERROR]    gtype-desc.c:9060:31: error: subscripted value is neither array nor pointer nor vector
[ERROR]    gtype-desc.c:9067:31: error: subscripted value is neither array nor pointer nor vector
[ERROR]    make[2]: *** [gtype-desc.o] Error 1
[ERROR]    make[1]: *** [all-gcc] Error 2
[ERROR]   
[ERROR]  >>
[ERROR]  >>  Build failed in step 'Installing pass-1 core C compiler'
[ERROR]  >>        called in step '(top-level)'
[ERROR]  >>
[ERROR]  >>  Error happened in: CT_DoExecLog[scripts/functions@257]
[ERROR]  >>        called from: do_cc_core_backend[scripts/build/cc/gcc.sh@448]
[ERROR]  >>        called from: do_cc_core_pass_1[scripts/build/cc/gcc.sh@101]
[ERROR]  >>        called from: main[scripts/crosstool-NG.sh@632]
          

Current command:
  'make' '-j4' '-l' 'all-gcc' 
exited with error code: 2
Please fix it up and finish by exiting the shell with one of these values:
    1  fixed, continue with next build command
    2  repeat this build command
    3  abort build

ct-ng:~/develop/crosstool-ng/crosstool-ng-1.18.0_build/.build/arm-xscale-linux-gnueabi/build/build-cc-core-pass-1> 

即：

【解决过程】

1.参考：

Bug 52986 – x86_64 GCC 4.7.0 can’t compile x86 GCC 4.6.2; gtype-desc.c

->

Bug 51969 – [4.6 regression] trunk gcc unable to build gcc 4.6

去修改gtype-desc.c，结果找不到这个文件。

2.然后去修改：

gcc/gengtype.c

crifan@ubuntu:~/develop/crosstool-ng/crosstool-ng-1.18.0_build/.build/src/gcc-4.6.0/gcc$ gedit gengtype.c 

找到write_field_root，改为：

static void
write_field_root (outf_p f, pair_p v, type_p type, const char *name,
		  int has_length, struct fileloc *line, const char *if_marked,
		  bool emit_pch, type_p field_type, const char *field_name)
{
  struct pair newv;
  /* If the field reference is relative to V, rather than to some
     subcomponent of V, we can mark any subarrays with a single stride.
     We're effectively treating the field as a global variable in its
     own right.  */
  if (v && type == v->type)
    {
      //struct pair newv;

      newv = *v;
      newv.type = field_type;

然后再去重新编译：

然后就可以继续编译了：

【总结】

编译gcc 4.6时出现：

时，解决办法是：

把

（在

下面的）

中的函数write_field_root中的

struct pair newv;

移到最开始声明处，即改为这样：

static void
write_field_root (outf_p f, pair_p v, type_p type, const char *name,
		  int has_length, struct fileloc *line, const char *if_marked,
		  bool emit_pch, type_p field_type, const char *field_name)
{
  struct pair newv;
  /* If the field reference is relative to V, rather than to some
     subcomponent of V, we can mark any subarrays with a single stride.
     We're effectively treating the field as a global variable in its
     own right.  */
  if (v && type == v->type)
    {
      //struct pair newv;

      newv = *v;
      newv.type = field_type;

即可。

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