Re: [Boost-build] Boost.Python build (config ?) error

Subject: Re: [Boost-build] Boost.Python build (config ?) error
From: Stefan Seefeld (stefan_at_[hidden])
Date: 2017-03-28 15:00:41

On 28.03.2017 10:55, Steven Watanabe via Boost-build wrote:
> AMDG
>
> On 03/28/2017 08:01 AM, Stefan Seefeld via Boost-build wrote:
>> <snip>
>>     - symlinks supported       : yes (cached)
>> error: No best alternative for libs/python/build/boost_python
>>     next alternative: required properties: <python>2.7
>>         matched
>>     next alternative: required properties: <python>2.7
>>         matched
>> <snip>
>>
>> My ~/user-config.jam file contains
>>
>>
>>   using python : 2.7 ;
>>   using python : 3.5 : python3 : /usr/include/python3.5m :
>> /usr/lib64/libpython3.5m.so ;
>>
>> Any idea what is wrong ?
>>
>   Run b2 with --debug-configuration.  My first guess is that
> python is being initialized twice.  --debug-configuration
> should show where the other initialization is coming from.

I don't see anything suspicious in this output:

[stefan_at_quasimodo boost]$ ./b2 --with-python --debug-configuration
notice: found boost-build.jam at
/home/stefan3/projects/boost/boost-build.jam
notice: loading Boost.Build from
/home/stefan3/projects/boost/tools/build/src
notice: Searching '/etc' '/home/stefan3'
'/home/stefan3/projects/boost/tools/build/src' '/usr/share/boost-build'
'/home/stefan3/projects/boost/tools/build/src/kernel'
'/home/stefan3/projects/boost/tools/build/src/util'
'/home/stefan3/projects/boost/tools/build/src/build'
'/home/stefan3/projects/boost/tools/build/src/tools'
'/home/stefan3/projects/boost/tools/build/src/contrib'
'/home/stefan3/projects/boost/tools/build/src/.' for site-config
configuration file 'site-config.jam'.
notice: Configuration file 'site-config.jam' not found in '/etc'
'/home/stefan3' '/home/stefan3/projects/boost/tools/build/src'
'/usr/share/boost-build'
'/home/stefan3/projects/boost/tools/build/src/kernel'
'/home/stefan3/projects/boost/tools/build/src/util'
'/home/stefan3/projects/boost/tools/build/src/build'
'/home/stefan3/projects/boost/tools/build/src/tools'
'/home/stefan3/projects/boost/tools/build/src/contrib'
'/home/stefan3/projects/boost/tools/build/src/.'.
notice: Searching '/home/stefan3'
'/home/stefan3/projects/boost/tools/build/src' '/usr/share/boost-build'
'/home/stefan3/projects/boost/tools/build/src/kernel'
'/home/stefan3/projects/boost/tools/build/src/util'
'/home/stefan3/projects/boost/tools/build/src/build'
'/home/stefan3/projects/boost/tools/build/src/tools'
'/home/stefan3/projects/boost/tools/build/src/contrib'
'/home/stefan3/projects/boost/tools/build/src/.' for user-config
configuration file 'user-config.jam'.
notice: Loading user-config configuration file 'user-config.jam' from
'/home/stefan3'.
notice: will use 'g++' for gcc, condition <toolset>gcc-6.3.1
notice: using gcc libraries :: <toolset>gcc-6.3.1 :: /usr/lib64/bin
/usr/lib64/lib /usr/lib64/lib32 /usr/lib64/lib64
notice: using gcc archiver :: <toolset>gcc-6.3.1 :: ar
notice: using gcc ranlib :: <toolset>gcc-6.3.1 :: ranlib
warning: toolset gcc initialization: can not find tool windres
warning: initialized from /home/stefan3/user-config.jam:1
notice: using rc compiler :: <toolset>gcc-6.3.1 :: as
notice: [python-cfg] Configuring python...
notice: [python-cfg]   user-specified version: "2.7"
notice: [python-cfg] Checking interpreter command "python2.7"...
notice: [python-cfg] running command 'python2.7 -c "from sys import *;
print('version=%d.%d\nplatform=%s\nprefix=%s\nexec_prefix=%s\nexecutable=%s'
%
(version_info[0],version_info[1],platform,prefix,exec_prefix,executable))"
2>&1'
notice: [python-cfg] ...requested configuration matched!
notice: [python-cfg] Details of this Python configuration:
notice: [python-cfg]   interpreter command: "python2.7"
notice: [python-cfg]   include path: "/usr/include/python2.7"
notice: [python-cfg]   library path: "/usr/lib/python2.7/config" "/usr/lib"
notice: [python-cfg] Checking for NumPy...
notice: [python-cfg] running command 'python2.7 -c "import sys;
sys.stderr = sys.stdout; import numpy; print(numpy.get_include())"'
notice: [python-cfg] NumPy enabled
notice: [python-cfg] Configuring python...
notice: [python-cfg]   user-specified version: "3.5"
notice: [python-cfg]   user-specified cmd-or-prefix: "python3"
notice: [python-cfg]   user-specified includes: "/usr/include/python3.5m"
notice: [python-cfg]   user-specified libraries:
"/usr/lib64/libpython3.5m.so"
notice: [python-cfg] Details of this Python configuration:
notice: [python-cfg]   interpreter command: "python3"
notice: [python-cfg]   include path: "/usr/include/python3.5m"
notice: [python-cfg]   library path: "/usr/lib64/libpython3.5m.so"
notice: [python-cfg] Checking for NumPy...
notice: [python-cfg] running command 'python3 -c "import sys; sys.stderr
= sys.stdout; import numpy; print(numpy.get_include())"'
notice: [python-cfg] NumPy enabled
notice: Searching '.' for project-config configuration file
'project-config.jam'.
notice: Loading project-config configuration file 'project-config.jam'
from '.'.
notice: [zlib] Using pre-installed library
notice: [zlib] Condition
notice: [bzip2] Using pre-installed library
notice: [bzip2] Condition
Performing configuration checks

    - 32-bit                   : no  (cached)
    - 64-bit                   : yes (cached)
    - arm                      : no  (cached)
    - mips1                    : no  (cached)
    - power                    : no  (cached)
    - sparc                    : no  (cached)
    - x86                      : yes (cached)

Building the Boost C++ Libraries.

    - symlinks supported       : yes (cached)
error: No best alternative for libs/python/build/boost_python
    next alternative: required properties: <python>2.7
        matched
    next alternative: required properties: <python>2.7
        matched
error: No best alternative for libs/python/build/boost_python3
    next alternative: required properties: <python>3.5
        not matched
    next alternative: required properties: <python>3.5
        not matched
error: No best alternative for libs/python/build/boost_python
    next alternative: required properties: <python>2.7
        matched
    next alternative: required properties: <python>2.7
        matched
error: No best alternative for libs/python/build/boost_python3
    next alternative: required properties: <python>3.5
        not matched
    next alternative: required properties: <python>3.5
        not matched

Thanks,
        Stefan

-- 
      ...ich hab' noch einen Koffer in Berlin...