diff options
Diffstat (limited to 'setuptools/_distutils/command/config.py')
| -rw-r--r-- | setuptools/_distutils/command/config.py | 140 |
1 files changed, 86 insertions, 54 deletions
diff --git a/setuptools/_distutils/command/config.py b/setuptools/_distutils/command/config.py index aeda408e..73de1d3e 100644 --- a/setuptools/_distutils/command/config.py +++ b/setuptools/_distutils/command/config.py @@ -18,32 +18,26 @@ from distutils import log LANG_EXT = {"c": ".c", "c++": ".cxx"} + class config(Command): description = "prepare to build" user_options = [ - ('compiler=', None, - "specify the compiler type"), - ('cc=', None, - "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', None, - "show every action (compile, link, run, ...) taken"), - ('dump-source', None, - "dump generated source files before attempting to compile them"), - ] - + ('compiler=', None, "specify the compiler type"), + ('cc=', None, "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', None, "show every action (compile, link, run, ...) taken"), + ( + 'dump-source', + None, + "dump generated source files before attempting to compile them", + ), + ] # The three standard command methods: since the "config" command # does nothing by default, these are empty. @@ -93,9 +87,11 @@ class config(Command): # We do this late, and only on-demand, because this is an expensive # import. from distutils.ccompiler import CCompiler, new_compiler + if not isinstance(self.compiler, CCompiler): - self.compiler = new_compiler(compiler=self.compiler, - dry_run=self.dry_run, force=1) + self.compiler = new_compiler( + compiler=self.compiler, dry_run=self.dry_run, force=1 + ) customize_compiler(self.compiler) if self.include_dirs: self.compiler.set_include_dirs(self.include_dirs) @@ -132,14 +128,16 @@ class config(Command): self.compiler.compile([src], include_dirs=include_dirs) return (src, obj) - def _link(self, body, headers, include_dirs, libraries, library_dirs, - lang): + def _link(self, body, headers, include_dirs, libraries, library_dirs, lang): (src, obj) = self._compile(body, headers, include_dirs, lang) prog = os.path.splitext(os.path.basename(src))[0] - self.compiler.link_executable([obj], prog, - libraries=libraries, - library_dirs=library_dirs, - target_lang=lang) + self.compiler.link_executable( + [obj], + prog, + libraries=libraries, + library_dirs=library_dirs, + target_lang=lang, + ) if self.compiler.exe_extension is not None: prog = prog + self.compiler.exe_extension @@ -158,7 +156,6 @@ class config(Command): except OSError: pass - # XXX these ignore the dry-run flag: what to do, what to do? even if # you want a dry-run build, you still need some sort of configuration # info. My inclination is to make it up to the real config command to @@ -177,6 +174,7 @@ class config(Command): ('body' probably isn't of much use, but what the heck.) """ from distutils.ccompiler import CompileError + self._check_compiler() ok = True try: @@ -187,8 +185,7 @@ class config(Command): self._clean() return ok - def search_cpp(self, pattern, body=None, headers=None, include_dirs=None, - lang="c"): + def search_cpp(self, pattern, body=None, headers=None, include_dirs=None, lang="c"): """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 @@ -220,6 +217,7 @@ class config(Command): Return true on success, false otherwise. """ from distutils.ccompiler import CompileError + self._check_compiler() try: self._compile(body, headers, include_dirs, lang) @@ -231,17 +229,24 @@ class config(Command): self._clean() return ok - def try_link(self, body, headers=None, include_dirs=None, libraries=None, - library_dirs=None, lang="c"): + def try_link( + self, + body, + headers=None, + include_dirs=None, + libraries=None, + library_dirs=None, + lang="c", + ): """Try to compile and link a source file, built from 'body' and 'headers', to executable form. Return true on success, false otherwise. """ from distutils.ccompiler import CompileError, LinkError + self._check_compiler() try: - self._link(body, headers, include_dirs, - libraries, library_dirs, lang) + self._link(body, headers, include_dirs, libraries, library_dirs, lang) ok = True except (CompileError, LinkError): ok = False @@ -250,17 +255,26 @@ class config(Command): self._clean() return ok - def try_run(self, body, headers=None, include_dirs=None, libraries=None, - library_dirs=None, lang="c"): + def try_run( + self, + body, + headers=None, + include_dirs=None, + libraries=None, + library_dirs=None, + lang="c", + ): """Try to compile, link to an executable, and run a program built from 'body' and 'headers'. Return true on success, false otherwise. """ from distutils.ccompiler import CompileError, LinkError + self._check_compiler() try: - src, obj, exe = self._link(body, headers, include_dirs, - libraries, library_dirs, lang) + src, obj, exe = self._link( + body, headers, include_dirs, libraries, library_dirs, lang + ) self.spawn([exe]) ok = True except (CompileError, LinkError, DistutilsExecError): @@ -270,13 +284,20 @@ class config(Command): self._clean() return ok - # -- High-level methods -------------------------------------------- # (these are the ones that are actually likely to be useful # when implementing a real-world config command!) - def check_func(self, func, headers=None, include_dirs=None, - libraries=None, library_dirs=None, decl=0, call=0): + def check_func( + self, + func, + headers=None, + include_dirs=None, + libraries=None, + library_dirs=None, + decl=0, + call=0, + ): """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. @@ -302,11 +323,16 @@ class config(Command): body.append("}") body = "\n".join(body) + "\n" - return self.try_link(body, headers, include_dirs, - libraries, library_dirs) + return self.try_link(body, headers, include_dirs, libraries, library_dirs) - def check_lib(self, library, library_dirs=None, headers=None, - include_dirs=None, other_libraries=[]): + def check_lib( + self, + library, + library_dirs=None, + headers=None, + include_dirs=None, + other_libraries=[], + ): """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 @@ -316,17 +342,23 @@ class config(Command): has symbols that depend on other libraries. """ self._check_compiler() - return self.try_link("int main (void) { }", headers, include_dirs, - [library] + other_libraries, library_dirs) - - def check_header(self, header, include_dirs=None, library_dirs=None, - lang="c"): + return self.try_link( + "int main (void) { }", + headers, + include_dirs, + [library] + other_libraries, + library_dirs, + ) + + def check_header(self, header, include_dirs=None, library_dirs=None, lang="c"): """Determine if the system header file named by 'header_file' exists and can be found by the preprocessor; return true if so, false otherwise. """ - return self.try_cpp(body="/* No body */", headers=[header], - include_dirs=include_dirs) + return self.try_cpp( + body="/* No body */", headers=[header], include_dirs=include_dirs + ) + def dump_file(filename, head=None): """Dumps a file content into log.info. |