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Gabriel Gabor

@Chris-Stratton Right, without specifying the include flags I get an error about Python.h not being found and it's nowhere in the staging directory.

Gabriel Gabor

Running

mipsel-openwrt-linux-musl-gcc -dM -E - < /dev/null

to get the predefined macros explains this error

/usr/include/python2.7/pyconfig.h:83:5: error: #error unknown multiarch location for pyconfig.h
 #   error unknown multiarch location for pyconfig.h

but I'm unsure about what I could do about it. It looks more like an uncovered case.

Gabriel Gabor

Hi, I'm trying to get the Alexa-Pi client to run on the Omega2+.

In the dependencies of the project, there's pyaudio which throws some errors related to 'mipsel-openwrt-linux-musl-gcc': No such file or directory when I try to install it using pip. After reading pars of the documentation I found out that the only way I could do this is by cross-compiling the c code from the package. So I got a Debian 9 instance running, built the source, cloned the pyaudio code and tried to compile but I get a lot of errors which I have not been able to solve yet.

$ /home/admin/source/staging_dir/toolchain-mipsel_24kc_gcc-5.4.0_musl/bin/mipsel-openwrt-linux-musl-gcc -I /usr/include/ -I /usr/include/python2.7/ src/_portaudiomodule.c

In file included from /usr/include/libio.h:31:0,
                 from /usr/include/stdio.h:74,
                 from src/_portaudiomodule.c:27:
/usr/include/_G_config.h:46:20: error: unknown type name '__gnuc_va_list'
 #define _G_va_list __gnuc_va_list
                    ^
/usr/include/libio.h:44:21: note: in expansion of macro '_G_va_list'
 #define _IO_va_list _G_va_list
                     ^
/usr/include/libio.h:460:4: note: in expansion of macro '_IO_va_list'
    _IO_va_list, int *__restrict);
    ^
/usr/include/_G_config.h:46:20: error: unknown type name '__gnuc_va_list'
 #define _G_va_list __gnuc_va_list
                    ^
/usr/include/libio.h:44:21: note: in expansion of macro '_G_va_list'
 #define _IO_va_list _G_va_list
                     ^
/usr/include/libio.h:462:5: note: in expansion of macro '_IO_va_list'
     _IO_va_list);
     ^
/usr/include/_G_config.h:46:20: error: unknown type name '__gnuc_va_list'
 #define _G_va_list __gnuc_va_list
                    ^
/usr/include/stdio.h:79:9: note: in expansion of macro '_G_va_list'
 typedef _G_va_list va_list;
         ^
In file included from src/_portaudiomodule.c:27:0:
/usr/include/stdio.h:79:20: error: conflicting types for 'va_list'
 typedef _G_va_list va_list;
                    ^
In file included from /home/admin/source/staging_dir/toolchain-mipsel_24kc_gcc-5.4.0_musl/include/stdarg.h:10:0,
                 from /usr/include/libio.h:49,
                 from /usr/include/stdio.h:74,
                 from src/_portaudiomodule.c:27:
/home/admin/source/staging_dir/toolchain-mipsel_24kc_gcc-5.4.0_musl/include/bits/alltypes.h:6:27: note: previous declaration of 'va_list' was here
 typedef __builtin_va_list va_list;
                           ^
In file included from /usr/include/libio.h:31:0,
                 from /usr/include/stdio.h:74,
                 from src/_portaudiomodule.c:27:
/usr/include/_G_config.h:46:20: error: unknown type name '__gnuc_va_list'
 #define _G_va_list __gnuc_va_list
                    ^
/usr/include/stdio.h:374:8: note: in expansion of macro '_G_va_list'
        _G_va_list __arg);
        ^
/usr/include/_G_config.h:46:20: error: unknown type name '__gnuc_va_list'
 #define _G_va_list __gnuc_va_list
                    ^
/usr/include/stdio.h:379:54: note: in expansion of macro '_G_va_list'
 extern int vprintf (const char *__restrict __format, _G_va_list __arg);
                                                      ^
/usr/include/_G_config.h:46:20: error: unknown type name '__gnuc_va_list'
 #define _G_va_list __gnuc_va_list
                    ^
/usr/include/stdio.h:382:8: note: in expansion of macro '_G_va_list'
        _G_va_list __arg) __THROWNL;
        ^
/usr/include/_G_config.h:46:20: error: unknown type name '__gnuc_va_list'
 #define _G_va_list __gnuc_va_list
                    ^
/usr/include/stdio.h:393:42: note: in expansion of macro '_G_va_list'
         const char *__restrict __format, _G_va_list __arg)
                                          ^
/usr/include/_G_config.h:46:20: error: unknown type name '__gnuc_va_list'
 #define _G_va_list __gnuc_va_list
                    ^
/usr/include/stdio.h:415:8: note: in expansion of macro '_G_va_list'
        _G_va_list __arg)
        ^
/usr/include/_G_config.h:46:20: error: unknown type name '__gnuc_va_list'
 #define _G_va_list __gnuc_va_list
                    ^
/usr/include/stdio.h:474:7: note: in expansion of macro '_G_va_list'
       _G_va_list __arg)
       ^
/usr/include/_G_config.h:46:20: error: unknown type name '__gnuc_va_list'
 #define _G_va_list __gnuc_va_list
                    ^
/usr/include/stdio.h:481:53: note: in expansion of macro '_G_va_list'
 extern int vscanf (const char *__restrict __format, _G_va_list __arg)
                                                     ^
/usr/include/_G_config.h:46:20: error: unknown type name '__gnuc_va_list'
 #define _G_va_list __gnuc_va_list
                    ^
/usr/include/stdio.h:486:40: note: in expansion of macro '_G_va_list'
       const char *__restrict __format, _G_va_list __arg)
                                        ^
In file included from /usr/include/features.h:364:0,
                 from /usr/include/stdio.h:27,
                 from src/_portaudiomodule.c:27:
/usr/include/_G_config.h:46:20: error: unknown type name '__gnuc_va_list'
 #define _G_va_list __gnuc_va_list
                    ^
/usr/include/sys/cdefs.h:177:46: note: in definition of macro '__REDIRECT'
 # define __REDIRECT(name, proto, alias) name proto __asm__ (__ASMNAME (#alias))
                                              ^
/usr/include/stdio.h:498:37: note: in expansion of macro '_G_va_list'
    const char *__restrict __format, _G_va_list __arg),
                                     ^
/usr/include/_G_config.h:46:20: error: unknown type name '__gnuc_va_list'
 #define _G_va_list __gnuc_va_list
                    ^
/usr/include/sys/cdefs.h:177:46: note: in definition of macro '__REDIRECT'
 # define __REDIRECT(name, proto, alias) name proto __asm__ (__ASMNAME (#alias))
                                              ^
/usr/include/stdio.h:502:5: note: in expansion of macro '_G_va_list'
     _G_va_list __arg), __isoc99_vscanf)
     ^
/usr/include/_G_config.h:46:20: error: unknown type name '__gnuc_va_list'
 #define _G_va_list __gnuc_va_list
                    ^
/usr/include/sys/cdefs.h:185:11: note: in definition of macro '__REDIRECT_NTH'
      name proto __asm__ (__ASMNAME (#alias)) __THROW
           ^
/usr/include/stdio.h:507:8: note: in expansion of macro '_G_va_list'
        _G_va_list __arg), __isoc99_vsscanf)
        ^
In file included from /usr/include/python2.7/Python.h:8:0,
                 from src/_portaudiomodule.c:28:
/usr/include/python2.7/pyconfig.h:83:5: error: #error unknown multiarch location for pyconfig.h
 #   error unknown multiarch location for pyconfig.h
     ^
In file included from /usr/include/bits/local_lim.h:38:0,
                 from /usr/include/bits/posix1_lim.h:160,
                 from /usr/include/limits.h:143,
                 from /usr/include/python2.7/Python.h:19,
                 from src/_portaudiomodule.c:28:
/usr/include/linux/limits.h:6:0: warning: "NGROUPS_MAX" redefined
 #define NGROUPS_MAX    65536 /* supplemental group IDs are available */
 ^
In file included from /usr/include/limits.h:123:0,
                 from /usr/include/python2.7/Python.h:19,
                 from src/_portaudiomodule.c:28:
/home/admin/source/staging_dir/toolchain-mipsel_24kc_gcc-5.4.0_musl/include/limits.h:51:0: note: this is the location of the previous definition
 #define NGROUPS_MAX 32
 ^
In file included from /usr/include/bits/posix1_lim.h:160:0,
                 from /usr/include/limits.h:143,
                 from /usr/include/python2.7/Python.h:19,
                 from src/_portaudiomodule.c:28:
/usr/include/bits/local_lim.h:64:0: warning: "PTHREAD_KEYS_MAX" redefined
 #define PTHREAD_KEYS_MAX 1024
 ^
In file included from /usr/include/limits.h:123:0,
                 from /usr/include/python2.7/Python.h:19,
                 from src/_portaudiomodule.c:28:
/home/admin/source/staging_dir/toolchain-mipsel_24kc_gcc-5.4.0_musl/include/limits.h:63:0: note: this is the location of the previous definition
 #define PTHREAD_KEYS_MAX 128
 ^
In file included from /usr/include/bits/posix1_lim.h:160:0,
                 from /usr/include/limits.h:143,
                 from /usr/include/python2.7/Python.h:19,
                 from src/_portaudiomodule.c:28:
/usr/include/bits/local_lim.h:69:0: warning: "PTHREAD_DESTRUCTOR_ITERATIONS" redefined
 #define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS
 ^
In file included from /usr/include/limits.h:123:0,
                 from /usr/include/python2.7/Python.h:19,
                 from src/_portaudiomodule.c:28:
/home/admin/source/staging_dir/toolchain-mipsel_24kc_gcc-5.4.0_musl/include/limits.h:65:0: note: this is the location of the previous definition
 #define PTHREAD_DESTRUCTOR_ITERATIONS 4
 ^
In file included from /usr/include/bits/posix1_lim.h:160:0,
                 from /usr/include/limits.h:143,
                 from /usr/include/python2.7/Python.h:19,
                 from src/_portaudiomodule.c:28:
/usr/include/bits/local_lim.h:81:0: warning: "PTHREAD_STACK_MIN" redefined
 #define PTHREAD_STACK_MIN 16384
 ^
In file included from /usr/include/limits.h:123:0,
                 from /usr/include/python2.7/Python.h:19,
                 from src/_portaudiomodule.c:28:
/home/admin/source/staging_dir/toolchain-mipsel_24kc_gcc-5.4.0_musl/include/limits.h:64:0: note: this is the location of the previous definition
 #define PTHREAD_STACK_MIN 2048
 ^
In file included from /usr/include/bits/posix1_lim.h:160:0,
                 from /usr/include/limits.h:143,
                 from /usr/include/python2.7/Python.h:19,
                 from src/_portaudiomodule.c:28:
/usr/include/bits/local_lim.h:84:0: warning: "DELAYTIMER_MAX" redefined
 #define DELAYTIMER_MAX 2147483647
 ^
In file included from /usr/include/limits.h:123:0,
                 from /usr/include/python2.7/Python.h:19,
                 from src/_portaudiomodule.c:28:
/home/admin/source/staging_dir/toolchain-mipsel_24kc_gcc-5.4.0_musl/include/limits.h:68:0: note: this is the location of the previous definition
 #define DELAYTIMER_MAX 0x7fffffff
 ^
In file included from /usr/include/bits/posix1_lim.h:160:0,
                 from /usr/include/limits.h:143,
                 from /usr/include/python2.7/Python.h:19,
                 from src/_portaudiomodule.c:28:
/usr/include/bits/local_lim.h:93:0: warning: "HOST_NAME_MAX" redefined
 #define HOST_NAME_MAX  64
 ^
In file included from /usr/include/limits.h:123:0,
                 from /usr/include/python2.7/Python.h:19,
                 from src/_portaudiomodule.c:28:
/home/admin/source/staging_dir/toolchain-mipsel_24kc_gcc-5.4.0_musl/include/limits.h:59:0: note: this is the location of the previous definition
 #define HOST_NAME_MAX 255
 ^
In file included from /usr/include/bits/posix1_lim.h:160:0,
                 from /usr/include/limits.h:143,
                 from /usr/include/python2.7/Python.h:19,
                 from src/_portaudiomodule.c:28:
/usr/include/bits/local_lim.h:99:0: warning: "SEM_VALUE_MAX" redefined
 #define SEM_VALUE_MAX   (2147483647)
 ^
In file included from /usr/include/limits.h:123:0,
                 from /usr/include/python2.7/Python.h:19,
                 from src/_portaudiomodule.c:28:
/home/admin/source/staging_dir/toolchain-mipsel_24kc_gcc-5.4.0_musl/include/limits.h:66:0: note: this is the location of the previous definition
 #define SEM_VALUE_MAX 0x7fffffff
 ^
In file included from /usr/include/limits.h:147:0,
                 from /usr/include/python2.7/Python.h:19,
                 from src/_portaudiomodule.c:28:
/usr/include/bits/posix2_lim.h:88:0: warning: "RE_DUP_MAX" redefined
 #define RE_DUP_MAX (0x7fff)
 ^
In file included from /usr/include/limits.h:123:0,
                 from /usr/include/python2.7/Python.h:19,
                 from src/_portaudiomodule.c:28:
/home/admin/source/staging_dir/toolchain-mipsel_24kc_gcc-5.4.0_musl/include/limits.h:82:0: note: this is the location of the previous definition
 #define RE_DUP_MAX 255
 ^
In file included from /usr/include/python2.7/pyport.h:4:0,
                 from /usr/include/python2.7/Python.h:58,
                 from src/_portaudiomodule.c:28:
/usr/include/python2.7/pyconfig.h:83:5: error: #error unknown multiarch location for pyconfig.h
 #   error unknown multiarch location for pyconfig.h
     ^
In file included from /usr/include/python2.7/Python.h:58:0,
                 from src/_portaudiomodule.c:28:
/usr/include/python2.7/pyport.h:895:2: error: #error "LONG_BIT definition appears wrong for platform (bad gcc/glibc config?)."
 #error "LONG_BIT definition appears wrong for platform (bad gcc/glibc config?)."
  ^
In file included from /usr/include/python2.7/pymath.h:4:0,
                 from /usr/include/python2.7/Python.h:77,
                 from src/_portaudiomodule.c:28:
/usr/include/python2.7/pyconfig.h:83:5: error: #error unknown multiarch location for pyconfig.h
 #   error unknown multiarch location for pyconfig.h
     ^
src/_portaudiomodule.c: In function '_pyAudio_paHostApiInfo_get_name':
src/_portaudiomodule.c:509:10: warning: implicit declaration of function 'PyUnicode_FromString' [-Wimplicit-function-declaration]
   return PyUnicode_FromString(self->apiInfo->name);
          ^
src/_portaudiomodule.c:509:10: warning: return makes pointer from integer without a cast [-Wint-conversion]
src/_portaudiomodule.c: In function 'pa_get_version_text':
src/_portaudiomodule.c:1196:10: warning: return makes pointer from integer without a cast [-Wint-conversion]
   return PyUnicode_FromString(Pa_GetVersionText());
          ^
src/_portaudiomodule.c: In function 'init_portaudio':
src/_portaudiomodule.c:2594:3: warning: implicit declaration of function 'PyEval_InitThreads' [-Wimplicit-function-declaration]
   PyEval_InitThreads();
   ^

P.S. This is the first time I try to cross-compile, my approach could be completely wrong.

Gabriel Gabor

Hi, I used to get a similar error when I tried to install pip & virtualenv for python2, I got it to work by booting from a USB stick (https://docs.onion.io/omega2-docs/boot-from-external-storage.html). I just tried your steps now on my Omega and it worked fine.

root@Omega-46A5:~# pip3 install requests
Collecting requests
  Using cached requests-2.18.4-py2.py3-none-any.whl
Collecting urllib3<1.23,>=1.21.1 (from requests)
  Using cached urllib3-1.22-py2.py3-none-any.whl
Collecting idna<2.7,>=2.5 (from requests)
  Using cached idna-2.6-py2.py3-none-any.whl
Collecting chardet<3.1.0,>=3.0.2 (from requests)
  Using cached chardet-3.0.4-py2.py3-none-any.whl
Collecting certifi>=2017.4.17 (from requests)
  Using cached certifi-2017.7.27.1-py2.py3-none-any.whl
Installing collected packages: urllib3, idna, chardet, certifi, requests
Successfully installed certifi-2017.7.27.1 chardet-3.0.4 idna-2.6 requests-2.18.4 urllib3-1.22
root@Omega-46A5:~# python3
Python 3.6.0 (default, Sep 18 2017, 20:34:00)
[GCC 5.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import requests
>>>

Gabriel Gabor

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