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[girish.dharmaraj at gm...]

Hello Sir.

mod_python fails to build using the below version . Any ideas why that happen ?



Python Version


python -V
Python 3.7.3



Debian OS Version:


PRETTY_NAME="Debian GNU/Linux 10 (buster)"
NAME="Debian GNU/Linux"
VERSION_ID="10"
VERSION="10 (buster)"

With Best Regards,
Girish Dharmaraj

[amit.k.chaudhuri at gm...]

You should probably post the output from the build.....

On Fri, 5 Feb 2021 at 11:55, Giri <girish.dharmaraj@gmail.com> wrote:

[girish.dharmaraj at gm...]

 CC       mod_python_la-mod_python.lo
mod_python.c: In function ‘print_python_error’:
mod_python.c:107:66: error: implicit declaration of function ‘PyString_Check’; did you mean ‘PyMapping_Check’? [-Werror=implicit-function-declaration]
  if (pyType != NULL && (pyString=PyObject_Str(pyType))!=NULL && (PyString_Check(pyString))) {
                                                                  ^~~~~~~~~~~~~~
                                                                  PyMapping_Check
mod_python.c:108:18: error: implicit declaration of function ‘PyString_AsString’; did you mean ‘PyBytes_AsString’? [-Werror=implicit-function-declaration]
   strcat(buffer, PyString_AsString(pyString));
                  ^~~~~~~~~~~~~~~~~
                  PyBytes_AsString
mod_python.c:108:18: error: passing argument 2 of ‘strcat’ makes pointer from integer without a cast [-Werror=int-conversion]
   strcat(buffer, PyString_AsString(pyString));
                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/python3.7m/Python.h:30,
                 from mod_python.c:35:
/usr/x86_64-linux-gnu/include/string.h:129:14: note: expected ‘const char * restrict’ but argument is of type ‘int’
 extern char *strcat (char *__restrict __dest, const char *__restrict __src)
              ^~~~~~
mod_python.c:118:18: error: passing argument 2 of ‘strcat’ makes pointer from integer without a cast [-Werror=int-conversion]
   strcat(buffer, PyString_AsString(pyString));
                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/python3.7m/Python.h:30,
                 from mod_python.c:35:
/usr/x86_64-linux-gnu/include/string.h:129:14: note: expected ‘const char * restrict’ but argument is of type ‘int’
 extern char *strcat (char *__restrict __dest, const char *__restrict __src)
              ^~~~~~
mod_python.c:136:21: error: passing argument 2 of ‘strcat’ makes pointer from integer without a cast [-Werror=int-conversion]
      strcat(buffer, PyString_AsString(pyResult));
                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/python3.7m/Python.h:30,
                 from mod_python.c:35:
/usr/x86_64-linux-gnu/include/string.h:129:14: note: expected ‘const char * restrict’ but argument is of type ‘int’
 extern char *strcat (char *__restrict __dest, const char *__restrict __src)
              ^~~~~~
mod_python.c:153:40: error: format ‘%s’ expects argument of type ‘char *’, but argument 3 has type ‘int’ [-Werror=format=]
    sprintf((char*)sTemp, "\n\tFile: \"%s\", line %i, in %s",
                                       ~^
                                       %d
      PyString_AsString(pyTB->tb_frame->f_code->co_filename),
      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mod_python.c:153:58: error: format ‘%s’ expects argument of type ‘char *’, but argument 5 has type ‘int’ [-Werror=format=]
    sprintf((char*)sTemp, "\n\tFile: \"%s\", line %i, in %s",
                                                         ~^
                                                         %d
mod_python.c:156:6:
      PyString_AsString(pyTB->tb_frame->f_code->co_name) );
      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mod_python.c: In function ‘eval_some_python’:
mod_python.c:313:18: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
    *str = strdup((char *) PyString_AsString(result));
                  ^
mod_python.c: In function ‘mod_python_shutdown’:
mod_python.c:608:2: error: ‘PyEval_AcquireLock’ is deprecated [-Werror=deprecated-declarations]
  PyEval_AcquireLock();
  ^~~~~~~~~~~~~~~~~~
In file included from /usr/include/python3.7m/Python.h:141,
                 from mod_python.c:35:
/usr/include/python3.7m/ceval.h:198:18: note: declared here
 PyAPI_FUNC(void) PyEval_AcquireLock(void) Py_DEPRECATED(3.2);
                  ^~~~~~~~~~~~~~~~~~
mod_python.c:645:2: error: ‘PyEval_AcquireLock’ is deprecated [-Werror=deprecated-declarations]
  PyEval_AcquireLock();
  ^~~~~~~~~~~~~~~~~~
In file included from /usr/include/python3.7m/Python.h:141,
                 from mod_python.c:35:
/usr/include/python3.7m/ceval.h:198:18: note: declared here
 PyAPI_FUNC(void) PyEval_AcquireLock(void) Py_DEPRECATED(3.2);
                  ^~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
make: *** [Makefile:743: mod_python_la-mod_python.lo] Error 1



With Best Regards,
Girish Dharmaraj




On Fri, Feb 5, 2021 at 11:05 PM Amit Chaudhuri <amit.k.chaudhuri@gmail.com (amit.k.chaudhuri@gmail.com)> wrote:

[amit.k.chaudhuri at gm...]

I'm not into python in a serious way but in general terms "implicit
declaration of function ‘PyString_Check’; " would suggest that the
compiler is looking for that function and cannot find it. Perhaps your
system is missing the provider of that function. I would start by
trying to find out where that is defined (i.e. provided) and whether
the provider is on your system. If it *is* on your system, is it in
the place that the build system is looking?

On Fri, 5 Feb 2021 at 15:42, Giri <girish.dharmaraj@gmail.com> wrote: