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Handles the Cygwin port of the GNU C compiler to Windows. �cygwinz.oz.az.dllzlib%s%sz%s%sz.exer c C sP t j | | | | � t � \ } } | j d | | f � | t k rY | j d | � t � \ | _ | _ | _ | j | j d | j | j | j f � | j d k r� d | _ n d | _ | j d k r� d } n d } | j d d d d d d d d d d | j | f � | j d k r@d g | _ | j d � n t � | _ d S)Nz%Python's GCC status: %s (details: %s)z�Python's pyconfig.h doesn't seem to support your compiler. Reason: %s. Compiling may fail because of undefined preprocessor macros.z : gcc %s, ld %s, dllwrap %s z2.10.90�gcc�dllwrapz2.13z-sharedz -mdll -static�compilerzgcc -mcygwin -O -Wall� compiler_sozgcc -mcygwin -mdll -O -Wall� compiler_cxxzg++ -mcygwin -O -Wall� linker_exez gcc -mcygwin� linker_soz%s -mcygwin %sz2.91.57Zmsvcrtz,Consider upgrading to a newer version of gcc)r �__init__�check_config_hZ debug_print� CONFIG_H_OK�warn� get_versions� gcc_version� ld_versionZdllwrap_version� compiler_type� linker_dll�set_executables� dll_librariesr )�self�verbose�dry_run�forceZstatusZdetails� shared_optionr r r r$ d s< zCygwinCCompiler.__init__c C s� | d k s | d k ro y | j d d | d | g � Wq� t k rk } z t | � � WYd d } ~ Xq� Xn] y) | j | j | | d | g | � Wn1 t k r� } z t | � � WYd d } ~ Xn Xd S)z:Compiles the source by spawning GCC and windres if needed.z.rcz.resZwindresz-iz-oN)Zspawnr r r )r/ �obj�src�extZcc_args�extra_postargsZpp_opts�msgr r r �_compile� s " zCygwinCCompiler._compileNc C s� t j | p g � } t j | p$ g � } t j | p9 g � } | j | j � | d k r�| | j k sy | j d k r�t j j | d � } t j j t j j | � � \ } } t j j | | d � } t j j | d | d � } d t j j | � d g } x | D] } | j | � q W| j t | | f d | � | j d k rx| j d | g � | j d | g � n | j | � | s�| j d � t j | | | | | | | | d | | | | | � d S)zLink the objects.Nr r z.def�libz.az LIBRARY %sZEXPORTSz writing %sr z --output-libz--defz-s)�copy�extendr. Z EXECUTABLEr, �os�path�dirname�splitext�basename�join�appendZexecuter r �link)r/ Z target_descZobjectsZoutput_filename� output_dirZ librariesZ library_dirsZruntime_library_dirsZexport_symbols�debugZ extra_preargsr7 Z build_tempZ target_langZtemp_dirZdll_nameZ dll_extensionZdef_fileZlib_file�contentsZsymr r r rD � s: zCygwinCCompiler.link� c C s� | d k r d } g } x� | D]� } t j j t j j | � � \ } } | | j d d g k rx t d | | f � � | r� t j j | � } | d k r� | j t j j | | | | j � � q | j t j j | | | j � � q W| S)z#Adds supports for rc and res files.NrH �.rc�.resz"unknown file type '%s' (from '%s'))rJ rI ) r= r> r@ �normcaseZsrc_extensionsr rA rC rB � obj_extension)r/ Zsource_filenamesZ strip_dirrE Z obj_namesZsrc_name�baser6 r r r �object_filenames� s $ z CygwinCCompiler.object_filenames)�__name__� __module__� __qualname__�__doc__r+ rL Zstatic_lib_extensionZshared_lib_extensionZstatic_lib_formatZshared_lib_formatZ exe_extensionr$ r9 rD rN r r r r r Y s ; Kr c @ s1 e Z d Z d Z d Z d d d d d � Z d S)�Mingw32CCompilerz@ Handles the Mingw32 port of the GNU C compiler to Windows. Zmingw32r c C s� t j | | | | � | j d k r. d } n d } | j d k rL d } n d } t � rg t d � � | j d d d d d d d d d d | j | | f � g | _ t � | _ d S)Nz2.13z-sharedz -mdll -staticz2.91.57z--entry _DllMain@12rH z1Cygwin gcc cannot be used with --compiler=mingw32r z gcc -O -Wallr zgcc -mdll -O -Wallr! z g++ -O -Wallr" r r# z%s %s %s) r r$ r* r) � is_cygwingccr r- r, r. r )r/ r0 r1 r2 r3 Z entry_pointr r r r$ s& zMingw32CCompiler.__init__N)rO rP rQ rR r+ r$ r r r r rS s rS �okznot okZ uncertainc C s� d d l m } d t j k r) t d f S| j � } yP t | � } z2 d | j � k rg t d | f St d | f SWd | j � XWn< t k r� } z t d | | j f f SWYd d } ~ Xn Xd S) aw Check if the current Python installation appears amenable to building extensions with GCC. Returns a tuple (status, details), where 'status' is one of the following constants: - CONFIG_H_OK: all is well, go ahead and compile - CONFIG_H_NOTOK: doesn't look good - CONFIG_H_UNCERTAIN: not sure -- unable to read pyconfig.h 'details' is a human-readable string explaining the situation. Note there are two ways to conclude "OK": either 'sys.version' contains the string "GCC" (implying that this Python was built with GCC), or the installed "pyconfig.h" contains the string "__GNUC__". r )� sysconfigZGCCzsys.version mentions 'GCC'Z__GNUC__z'%s' mentions '__GNUC__'z '%s' does not mention '__GNUC__'Nzcouldn't read '%s': %s) � distutilsrV r r r& �get_config_h_filename�open�read�CONFIG_H_NOTOK�close�OSError�CONFIG_H_UNCERTAIN�strerror)rV �fn�config_h�excr r r r% H s r% s (\d+\.\d+(\.\d+)*)c C s� | j � d } t | � d k r& d St | d d d t �j } z | j � } Wd | j � Xt j | � } | d k r~ d St | j d � j � � S)z�Find the version of an executable by running `cmd` in the shell. If the command is not found, or the output does not match `RE_VERSION`, returns None. r N�shellT�stdoutr ) �splitr r r rd rZ r\ � RE_VERSION�searchr �group�decode)�cmd� executable�out� out_string�resultr r r �_find_exe_versionu s ro c C s& d d d g } t d d � | D� � S)zg Try to find out the versions of gcc, ld and dllwrap. If not possible it returns None for it. zgcc -dumpversionzld -vzdllwrap --versionc S s g | ] } t | � � q Sr )ro )�.0rj r r r � <listcomp>� s z get_versions.<locals>.<listcomp>)�tuple)Zcommandsr r r r( � s r( c C s% t d d g � } | j � j d � S)z>Try to determine if the gcc that would be used is from cygwin.r z -dumpmachines cygwin)r �strip�endswith)rm r r r rT � s rT )'rR r= r r; � subprocessr r r �reZdistutils.ccompilerr r Zdistutils.unixccompilerr Zdistutils.file_utilr Zdistutils.errorsr r r r rW r Zdistutils.versionr Zdistutils.spawnr r r rS r& r[ r^ r% �compilerf ro r( rT r r r r �<module> s. ) " �1 +
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