comparison DEPENDENCIES/mingw32/Python27/Lib/site-packages/numpy/distutils/fcompiler/gnu.py @ 87:2a2c65a20a8b

Add Python libs and headers

+from __future__ import division, absolute_import, print_function
+
+import re
+import os
+import sys
+import warnings
+import platform
+import tempfile
+from subprocess import Popen, PIPE, STDOUT
+
+from numpy.distutils.cpuinfo import cpu
+from numpy.distutils.fcompiler import FCompiler
+from numpy.distutils.exec_command import exec_command
+from numpy.distutils.misc_util import msvc_runtime_library
+from numpy.distutils.compat import get_exception
+
+compilers = ['GnuFCompiler', 'Gnu95FCompiler']
+
+TARGET_R = re.compile("Target: ([a-zA-Z0-9_\-]*)")
+
+# XXX: handle cross compilation
+def is_win64():
+    return sys.platform == "win32" and platform.architecture()[0] == "64bit"
+
+if is_win64():
+    #_EXTRAFLAGS = ["-fno-leading-underscore"]
+    _EXTRAFLAGS = []
+else:
+    _EXTRAFLAGS = []
+
+class GnuFCompiler(FCompiler):
+    compiler_type = 'gnu'
+    compiler_aliases = ('g77',)
+    description = 'GNU Fortran 77 compiler'
+
+    def gnu_version_match(self, version_string):
+        """Handle the different versions of GNU fortran compilers"""
+        m = re.search(r'GNU Fortran', version_string)
+        if not m:
+            return None
+        m = re.search(r'GNU Fortran\s+95.*?([0-9-.]+)', version_string)
+        if m:
+            return ('gfortran', m.group(1))
+        m = re.search(r'GNU Fortran.*?\-?([0-9-.]+)', version_string)
+        if m:
+            v = m.group(1)
+            if v.startswith('0') or v.startswith('2') or v.startswith('3'):
+                # the '0' is for early g77's
+                return ('g77', v)
+            else:
+                # at some point in the 4.x series, the ' 95' was dropped
+                # from the version string
+                return ('gfortran', v)
+
+    def version_match(self, version_string):
+        v = self.gnu_version_match(version_string)
+        if not v or v[0] != 'g77':
+            return None
+        return v[1]
+
+    # 'g77 --version' results
+    # SunOS: GNU Fortran (GCC 3.2) 3.2 20020814 (release)
+    # Debian: GNU Fortran (GCC) 3.3.3 20040110 (prerelease) (Debian)
+    #         GNU Fortran (GCC) 3.3.3 (Debian 20040401)
+    #         GNU Fortran 0.5.25 20010319 (prerelease)
+    # Redhat: GNU Fortran (GCC 3.2.2 20030222 (Red Hat Linux 3.2.2-5)) 3.2.2 20030222 (Red Hat Linux 3.2.2-5)
+    # GNU Fortran (GCC) 3.4.2 (mingw-special)
+
+    possible_executables = ['g77', 'f77']
+    executables = {
+        'version_cmd'  : [None, "--version"],
+        'compiler_f77' : [None, "-g", "-Wall", "-fno-second-underscore"],
+        'compiler_f90' : None, # Use --fcompiler=gnu95 for f90 codes
+        'compiler_fix' : None,
+        'linker_so'    : [None, "-g", "-Wall"],
+        'archiver'     : ["ar", "-cr"],
+        'ranlib'       : ["ranlib"],
+        'linker_exe'   : [None, "-g", "-Wall"]
+        }
+    module_dir_switch = None
+    module_include_switch = None
+
+    # Cygwin: f771: warning: -fPIC ignored for target (all code is
+    # position independent)
+    if os.name != 'nt' and sys.platform != 'cygwin':
+        pic_flags = ['-fPIC']
+
+    # use -mno-cygwin for g77 when Python is not Cygwin-Python
+    if sys.platform == 'win32':
+        for key in ['version_cmd', 'compiler_f77', 'linker_so', 'linker_exe']:
+            executables[key].append('-mno-cygwin')
+
+    g2c = 'g2c'
+
+    suggested_f90_compiler = 'gnu95'
+
+    #def get_linker_so(self):
+    #    # win32 linking should be handled by standard linker
+    #    # Darwin g77 cannot be used as a linker.
+    #    #if re.match(r'(darwin)', sys.platform):
+    #    #    return
+    #    return FCompiler.get_linker_so(self)
+
+    def get_flags_linker_so(self):
+        opt = self.linker_so[1:]
+        if sys.platform=='darwin':
+            target = os.environ.get('MACOSX_DEPLOYMENT_TARGET', None)
+            # If MACOSX_DEPLOYMENT_TARGET is set, we simply trust the value
+            # and leave it alone.  But, distutils will complain if the
+            # environment's value is different from the one in the Python
+            # Makefile used to build Python.  We let disutils handle this
+            # error checking.
+            if not target:
+                # If MACOSX_DEPLOYMENT_TARGET is not set in the environment,
+                # we try to get it first from the Python Makefile and then we
+                # fall back to setting it to 10.3 to maximize the set of
+                # versions we can work with.  This is a reasonable default
+                # even when using the official Python dist and those derived
+                # from it.
+                import distutils.sysconfig as sc
+                g = {}
+                filename = sc.get_makefile_filename()
+                sc.parse_makefile(filename, g)
+                target = g.get('MACOSX_DEPLOYMENT_TARGET', '10.3')
+                os.environ['MACOSX_DEPLOYMENT_TARGET'] = target
+                if target == '10.3':
+                    s = 'Env. variable MACOSX_DEPLOYMENT_TARGET set to 10.3'
+                    warnings.warn(s)
+
+            opt.extend(['-undefined', 'dynamic_lookup', '-bundle'])
+        else:
+            opt.append("-shared")
+        if sys.platform.startswith('sunos'):
+            # SunOS often has dynamically loaded symbols defined in the
+            # static library libg2c.a  The linker doesn't like this.  To
+            # ignore the problem, use the -mimpure-text flag.  It isn't
+            # the safest thing, but seems to work. 'man gcc' says:
+            # ".. Instead of using -mimpure-text, you should compile all
+            #  source code with -fpic or -fPIC."
+            opt.append('-mimpure-text')
+        return opt
+
+    def get_libgcc_dir(self):
+        status, output = exec_command(self.compiler_f77 +
+                                      ['-print-libgcc-file-name'],
+                                      use_tee=0)
+        if not status:
+            return os.path.dirname(output)
+        return None
+
+    def get_library_dirs(self):
+        opt = []
+        if sys.platform[:5] != 'linux':
+            d = self.get_libgcc_dir()
+            if d:
+                # if windows and not cygwin, libg2c lies in a different folder
+                if sys.platform == 'win32' and not d.startswith('/usr/lib'):
+                    d = os.path.normpath(d)
+                    if not os.path.exists(os.path.join(d, "lib%s.a" % self.g2c)):
+                        d2 = os.path.abspath(os.path.join(d,
+                                                          '../../../../lib'))
+                        if os.path.exists(os.path.join(d2, "lib%s.a" % self.g2c)):
+                            opt.append(d2)
+                opt.append(d)
+        return opt
+
+    def get_libraries(self):
+        opt = []
+        d = self.get_libgcc_dir()
+        if d is not None:
+            g2c = self.g2c + '-pic'
+            f = self.static_lib_format % (g2c, self.static_lib_extension)
+            if not os.path.isfile(os.path.join(d, f)):
+                g2c = self.g2c
+        else:
+            g2c = self.g2c
+
+        if g2c is not None:
+            opt.append(g2c)
+        c_compiler = self.c_compiler
+        if sys.platform == 'win32' and c_compiler and \
+               c_compiler.compiler_type=='msvc':
+            # the following code is not needed (read: breaks) when using MinGW
+            # in case want to link F77 compiled code with MSVC
+            opt.append('gcc')
+            runtime_lib = msvc_runtime_library()
+            if runtime_lib:
+                opt.append(runtime_lib)
+        if sys.platform == 'darwin':
+            opt.append('cc_dynamic')
+        return opt
+
+    def get_flags_debug(self):
+        return ['-g']
+
+    def get_flags_opt(self):
+        v = self.get_version()
+        if v and v<='3.3.3':
+            # With this compiler version building Fortran BLAS/LAPACK
+            # with -O3 caused failures in lib.lapack heevr,syevr tests.
+            opt = ['-O2']
+        else:
+            opt = ['-O3']
+        opt.append('-funroll-loops')
+        return opt
+
+    def _c_arch_flags(self):
+        """ Return detected arch flags from CFLAGS """
+        from distutils import sysconfig
+        try:
+            cflags = sysconfig.get_config_vars()['CFLAGS']
+        except KeyError:
+            return []
+        arch_re = re.compile(r"-arch\s+(\w+)")
+        arch_flags = []
+        for arch in arch_re.findall(cflags):
+            arch_flags += ['-arch', arch]
+        return arch_flags
+
+    def get_flags_arch(self):
+        return []
+
+    def runtime_library_dir_option(self, dir):
+        return '-Wl,-rpath="%s"' % dir
+
+class Gnu95FCompiler(GnuFCompiler):
+    compiler_type = 'gnu95'
+    compiler_aliases = ('gfortran',)
+    description = 'GNU Fortran 95 compiler'
+
+    def version_match(self, version_string):
+        v = self.gnu_version_match(version_string)
+        if not v or v[0] != 'gfortran':
+            return None
+        v = v[1]
+        if v>='4.':
+            # gcc-4 series releases do not support -mno-cygwin option
+            pass
+        else:
+            # use -mno-cygwin flag for gfortran when Python is not Cygwin-Python
+            if sys.platform == 'win32':
+                for key in ['version_cmd', 'compiler_f77', 'compiler_f90',
+                            'compiler_fix', 'linker_so', 'linker_exe']:
+                    self.executables[key].append('-mno-cygwin')
+        return v
+
+    # 'gfortran --version' results:
+    # XXX is the below right?
+    # Debian: GNU Fortran 95 (GCC 4.0.3 20051023 (prerelease) (Debian 4.0.2-3))
+    #         GNU Fortran 95 (GCC) 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)
+    # OS X: GNU Fortran 95 (GCC) 4.1.0
+    #       GNU Fortran 95 (GCC) 4.2.0 20060218 (experimental)
+    #       GNU Fortran (GCC) 4.3.0 20070316 (experimental)
+
+    possible_executables = ['gfortran', 'f95']
+    executables = {
+        'version_cmd'  : ["<F90>", "--version"],
+        'compiler_f77' : [None, "-Wall", "-g", "-ffixed-form",
+                          "-fno-second-underscore"] + _EXTRAFLAGS,
+        'compiler_f90' : [None, "-Wall", "-g",
+                          "-fno-second-underscore"] + _EXTRAFLAGS,
+        'compiler_fix' : [None, "-Wall",  "-g","-ffixed-form",
+                          "-fno-second-underscore"] + _EXTRAFLAGS,
+        'linker_so'    : ["<F90>", "-Wall", "-g"],
+        'archiver'     : ["ar", "-cr"],
+        'ranlib'       : ["ranlib"],
+        'linker_exe'   : [None, "-Wall"]
+        }
+
+    module_dir_switch = '-J'
+    module_include_switch = '-I'
+
+    g2c = 'gfortran'
+
+    def _universal_flags(self, cmd):
+        """Return a list of -arch flags for every supported architecture."""
+        if not sys.platform == 'darwin':
+            return []
+        arch_flags = []
+        # get arches the C compiler gets.
+        c_archs = self._c_arch_flags()
+        if "i386" in c_archs:
+            c_archs[c_archs.index("i386")] = "i686"
+        # check the arches the Fortran compiler supports, and compare with
+        # arch flags from C compiler
+        for arch in ["ppc", "i686", "x86_64", "ppc64"]:
+            if _can_target(cmd, arch) and arch in c_archs:
+                arch_flags.extend(["-arch", arch])
+        return arch_flags
+
+    def get_flags(self):
+        flags = GnuFCompiler.get_flags(self)
+        arch_flags = self._universal_flags(self.compiler_f90)
+        if arch_flags:
+            flags[:0] = arch_flags
+        return flags
+
+    def get_flags_linker_so(self):
+        flags = GnuFCompiler.get_flags_linker_so(self)
+        arch_flags = self._universal_flags(self.linker_so)
+        if arch_flags:
+            flags[:0] = arch_flags
+        return flags
+
+    def get_library_dirs(self):
+        opt = GnuFCompiler.get_library_dirs(self)
+        if sys.platform == 'win32':
+            c_compiler = self.c_compiler
+            if c_compiler and c_compiler.compiler_type == "msvc":
+                target = self.get_target()
+                if target:
+                    d = os.path.normpath(self.get_libgcc_dir())
+                    root = os.path.join(d, os.pardir, os.pardir, os.pardir, os.pardir)
+                    mingwdir = os.path.normpath(os.path.join(root, target, "lib"))
+                    full = os.path.join(mingwdir, "libmingwex.a")
+                    if os.path.exists(full):
+                        opt.append(mingwdir)
+        return opt
+
+    def get_libraries(self):
+        opt = GnuFCompiler.get_libraries(self)
+        if sys.platform == 'darwin':
+            opt.remove('cc_dynamic')
+        if sys.platform == 'win32':
+            c_compiler = self.c_compiler
+            if c_compiler and c_compiler.compiler_type == "msvc":
+                if "gcc" in opt:
+                    i = opt.index("gcc")
+                    opt.insert(i+1, "mingwex")
+                    opt.insert(i+1, "mingw32")
+            # XXX: fix this mess, does not work for mingw
+            if is_win64():
+                c_compiler = self.c_compiler
+                if c_compiler and c_compiler.compiler_type == "msvc":
+                    return []
+                else:
+                    raise NotImplementedError("Only MS compiler supported with gfortran on win64")
+        return opt
+
+    def get_target(self):
+        status, output = exec_command(self.compiler_f77 +
+                                      ['-v'],
+                                      use_tee=0)
+        if not status:
+            m = TARGET_R.search(output)
+            if m:
+                return m.group(1)
+        return ""
+
+    def get_flags_opt(self):
+        if is_win64():
+            return ['-O0']
+        else:
+            return GnuFCompiler.get_flags_opt(self)
+
+def _can_target(cmd, arch):
+    """Return true is the command supports the -arch flag for the given
+    architecture."""
+    newcmd = cmd[:]
+    fid, filename = tempfile.mkstemp(suffix=".f")
+    try:
+        d = os.path.dirname(filename)
+        output = os.path.splitext(filename)[0] + ".o"
+        try:
+            newcmd.extend(["-arch", arch, "-c", filename])
+            p = Popen(newcmd, stderr=STDOUT, stdout=PIPE, cwd=d)
+            p.communicate()
+            return p.returncode == 0
+        finally:
+            if os.path.exists(output):
+                os.remove(output)
+    finally:
+        os.remove(filename)
+    return False
+
+if __name__ == '__main__':
+    from distutils import log
+    log.set_verbosity(2)
+
+    compiler = GnuFCompiler()
+    compiler.customize()
+    print(compiler.get_version())
+
+    try:
+        compiler = Gnu95FCompiler()
+        compiler.customize()
+        print(compiler.get_version())
+    except Exception:
+        msg = get_exception()
+        print(msg)