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config.cpython-36.pyc
3 \ 3 � @ sl d Z ddlZddlZddlmZ ddlmZ ddlmZ ddl m Z ddd �Z G d d � d e�Z dd d �Z dS )a� distutils.command.config Implements the Distutils 'config' command, a (mostly) empty command class that exists mainly to be sub-classed by specific module distributions and applications. The idea is that while every "config" command is different, at least they're all named the same, and users always see "config" in the list of standard commands. Also, this is a good place to put common configure-like tasks: "try to compile this C code", or "figure out where this header file lives". � N)�Command)�DistutilsExecError)�customize_compiler)�logz.cz.cxx)�czc++c @ s� e Zd ZdZd>d?d@dAdBdCdDdEdFg Zdd� Zd d � Zd d � Zd d!� Zd"d#� Z d$d%� Z d&d'� Z d(d)� Z d*d+� Z dGd-d.�ZdHd/d0�ZdId1d2�ZdJd3d4�ZdKd5d6�ZdLd8d9�Zdddg fd:d;�ZdMd<d=�ZdS )N�configzprepare to build� compiler=N�specify the compiler type�cc=� specify the compiler executable� include-dirs=�I�.list of directories to search for header files�define=�D� C preprocessor macros to define�undef=�U�!C preprocessor macros to undefine� libraries=�l�!external C libraries to link with� library-dirs=�L�.directories to search for external C libraries�noisy�1show every action (compile, link, run, ...) taken� dump-source�=dump generated source files before attempting to compile themc C s4 d | _ d | _d | _d | _d | _d| _d| _g | _d S )N� )�compilerZcc� include_dirs� libraries� library_dirsr � dump_source� temp_files)�self� r' �0/usr/lib64/python3.6/distutils/command/config.py�initialize_options3 s zconfig.initialize_optionsc C s� | j d kr| jj pg | _ n t| j t�r6| j jtj�| _ | jd krHg | _nt| jt�r^| jg| _| jd krpg | _n t| jt�r�| jjtj�| _d S )N) r! Z distribution� isinstance�str�split�os�pathsepr" r# )r& r' r' r( �finalize_optionsB s zconfig.finalize_optionsc C s d S )Nr' )r& r' r' r( �runR s z config.runc C sz ddl m}m} t| j|�sv|| j| jdd�| _t| j� | jrN| jj| j� | j rb| jj | j � | j rv| jj | j � dS )z^Check that 'self.compiler' really is a CCompiler object; if not, make it one. r )� CCompiler� new_compilerr )r �dry_runZforceN) �distutils.ccompilerr1 r2 r* r r3 r r! Zset_include_dirsr" Z set_librariesr# Zset_library_dirs)r& r1 r2 r' r' r( �_check_compilerY s zconfig._check_compilerc C sl dt | }t|d�}|r@x|D ]}|jd| � q W |jd� |j|� |d dkr`|jd� |j� |S )NZ _configtest�wz#include <%s> � r ���)�LANG_EXT�open�write�close)r& �body�headers�lang�filename�file�headerr' r' r( �_gen_temp_sourcefilek s zconfig._gen_temp_sourcefilec C s< | j |||�}d}| jj||g� | jj|||d� ||fS )Nz _configtest.i)r! )rC r% �extendr Z preprocess)r& r= r> r! r? �src�outr' r' r( � _preprocessx s zconfig._preprocessc C s\ | j |||�}| jr"t|d| � | jj|g�\}| jj||g� | jj|g|d� ||fS )Nzcompiling '%s':)r! )rC r$ � dump_filer Zobject_filenamesr% rD �compile)r& r= r> r! r? rE �objr' r' r( �_compile s zconfig._compilec C sr | j ||||�\}}tjjtjj|��d } | jj|g| |||d� | jjd k r\| | jj } | jj | � ||| fS )Nr )r" r# Z target_lang) rK r- �path�splitext�basenamer Zlink_executableZ exe_extensionr% �append) r& r= r> r! r" r# r? rE rJ �progr' r' r( �_link� s z config._linkc G sX |s| j }g | _ tjddj|�� x0|D ](}ytj|� W q( tk rN Y q(X q(W d S )Nz removing: %s� )r% r �info�joinr- �remove�OSError)r& � filenamesr@ r' r' r( �_clean� s z config._cleanr c C sR ddl m} | j� d}y| j||||� W n |k rD d}Y nX | j� |S )aQ Construct a source file from 'body' (a string containing lines of C/C++ code) and 'headers' (a list of header files to include) and run it through the preprocessor. Return true if the preprocessor succeeded, false if there were any errors. ('body' probably isn't of much use, but what the heck.) r )� CompileErrorTF)r4 rY r5 rG rX )r& r= r> r! r? rY �okr' r' r( �try_cpp� s zconfig.try_cppc C sx | j � | j||||�\}}t|t�r0tj|�}t|�}d} x&|j� } | dkrPP |j| �r>d} P q>W |j � | j � | S )a� Construct a source file (just like 'try_cpp()'), run it through the preprocessor, and return true if any line of the output matches 'pattern'. 'pattern' should either be a compiled regex object or a string containing a regex. If both 'body' and 'headers' are None, preprocesses an empty file -- which can be useful to determine the symbols the preprocessor and compiler set by default. F� T) r5 rG r* r+ �rerI r: �readline�searchr< rX ) r& �patternr= r> r! r? rE rF rA �match�liner' r' r( � search_cpp� s zconfig.search_cppc C sd ddl m} | j� y| j||||� d}W n |k rD d}Y nX tj|rRdpTd� | j� |S )zwTry to compile a source file built from 'body' and 'headers'. Return true on success, false otherwise. r )rY TFzsuccess!zfailure.)r4 rY r5 rK r rS rX )r& r= r> r! r? rY rZ r' r' r( � try_compile� s zconfig.try_compilec C sp ddl m}m} | j� y | j||||||� d} W n ||fk rP d} Y nX tj| r^dp`d� | j� | S )z�Try to compile and link a source file, built from 'body' and 'headers', to executable form. Return true on success, false otherwise. r )rY � LinkErrorTFzsuccess!zfailure.)r4 rY re r5 rQ r rS rX ) r& r= r> r! r" r# r? rY re rZ r' r' r( �try_link� s zconfig.try_linkc C s� ddl m}m} | j� y.| j||||||�\} } } | j| g� d} W n ||tfk rd d} Y nX tj| rrdptd� | j � | S )z�Try to compile, link to an executable, and run a program built from 'body' and 'headers'. Return true on success, false otherwise. r )rY re TFzsuccess!zfailure.) r4 rY re r5 rQ Zspawnr r rS rX ) r& r= r> r! r" r# r? rY re rE rJ ZexerZ r' r' r( �try_run� s zconfig.try_runr c C st | j � g }|r |jd| � |jd� |r<|jd| � n|jd| � |jd� dj|�d }| j|||||�S )a� Determine if function 'func' is available by constructing a source file that refers to 'func', and compiles and links it. If everything succeeds, returns true; otherwise returns false. The constructed source file starts out by including the header files listed in 'headers'. If 'decl' is true, it then declares 'func' (as "int func()"); you probably shouldn't supply 'headers' and set 'decl' true in the same call, or you might get errors about a conflicting declarations for 'func'. Finally, the constructed 'main()' function either references 'func' or (if 'call' is true) calls it. 'libraries' and 'library_dirs' are used when linking. z int %s ();z int main () {z %s();z %s;�}r7 )r5 rO rT rf ) r& �funcr> r! r" r# ZdeclZcallr= r' r' r( � check_func s zconfig.check_funcc C s | j � | jd|||g| |�S )a� Determine if 'library' is available to be linked against, without actually checking that any particular symbols are provided by it. 'headers' will be used in constructing the source file to be compiled, but the only effect of this is to check if all the header files listed are available. Any libraries listed in 'other_libraries' will be included in the link, in case 'library' has symbols that depend on other libraries. zint main (void) { })r5 rf )r& Zlibraryr# r> r! Zother_librariesr' r' r( � check_lib6 s zconfig.check_libc C s | j d|g|d�S )z�Determine if the system header file named by 'header_file' exists and can be found by the preprocessor; return true if so, false otherwise. z /* No body */)r= r> r! )r[ )r& rB r! r# r? r' r' r( � check_headerD s zconfig.check_header)r Nr )r Nr )r r r )r r r )r r r )r r r )r r r )r Nr )r Nr )NNNr )NNNr )NNr )NNNNr )NNNNr )NNNNr r )NNr )�__name__� __module__� __qualname__Z descriptionZ user_optionsr) r/ r0 r5 rC rG rK rQ rX r[ rc rd rf rg rj rk rl r' r' r' r( r sT r c C sJ |dkrt jd| � n t j|� t| �}zt j|j� � W d|j� X dS )zjDumps a file content into log.info. If head is not None, will be dumped before the file content. Nz%s)r rS r: �readr< )r@ �headrA r' r' r( rH N s rH )N)�__doc__r- r] Zdistutils.corer Zdistutils.errorsr Zdistutils.sysconfigr Z distutilsr r9 r rH r' r' r' r( �<module> s ;
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