taking sysconfig out of distutils

1 files changed, 52 insertions, 0 deletions

diff --git a/Lib/distutils/ccompiler.py b/Lib/distutils/ccompiler.py
index 97c61dd..a34177e 100644
--- a/Lib/distutils/ccompiler.py
+++ b/Lib/distutils/ccompiler.py
@@ -18,6 +18,58 @@ from distutils.dep_util import newer_group
 from distutils.util import split_quoted, execute
 from distutils import log
 
+_sysconfig = __import__('sysconfig')
+
+def customize_compiler(compiler):
+    """Do any platform-specific customization of a CCompiler instance.
+
+    Mainly needed on Unix, so we can plug in the information that
+    varies across Unices and is stored in Python's Makefile.
+    """
+    if compiler.compiler_type == "unix":
+        (cc, cxx, opt, cflags, ccshared, ldshared, so_ext, ar, ar_flags) = \
+            _sysconfig.get_config_vars('CC', 'CXX', 'OPT', 'CFLAGS',
+                                       'CCSHARED', 'LDSHARED', 'SO', 'AR',
+                                       'ARFLAGS')
+
+        if 'CC' in os.environ:
+            cc = os.environ['CC']
+        if 'CXX' in os.environ:
+            cxx = os.environ['CXX']
+        if 'LDSHARED' in os.environ:
+            ldshared = os.environ['LDSHARED']
+        if 'CPP' in os.environ:
+            cpp = os.environ['CPP']
+        else:
+            cpp = cc + " -E"           # not always
+        if 'LDFLAGS' in os.environ:
+            ldshared = ldshared + ' ' + os.environ['LDFLAGS']
+        if 'CFLAGS' in os.environ:
+            cflags = opt + ' ' + os.environ['CFLAGS']
+            ldshared = ldshared + ' ' + os.environ['CFLAGS']
+        if 'CPPFLAGS' in os.environ:
+            cpp = cpp + ' ' + os.environ['CPPFLAGS']
+            cflags = cflags + ' ' + os.environ['CPPFLAGS']
+            ldshared = ldshared + ' ' + os.environ['CPPFLAGS']
+        if 'AR' in os.environ:
+            ar = os.environ['AR']
+        if 'ARFLAGS' in os.environ:
+            archiver = ar + ' ' + os.environ['ARFLAGS']
+        else:
+            archiver = ar + ' ' + ar_flags
+
+        cc_cmd = cc + ' ' + cflags
+        compiler.set_executables(
+            preprocessor=cpp,
+            compiler=cc_cmd,
+            compiler_so=cc_cmd + ' ' + ccshared,
+            compiler_cxx=cxx,
+            linker_so=ldshared,
+            linker_exe=cc,
+            archiver=archiver)
+
+        compiler.shared_lib_extension = so_ext
+
 class CCompiler:
     """Abstract base class to define the interface that must be implemented
     by real compiler classes.  Also has some utility methods used by