Better version handling in fcompiler

 * Remove FCompiler.get_version_cmd, FCompiler.get_flags_version,
   FCompiler.get_linker_so_cmd, and FCompiler.get_linker_exe_cmd;
   subclasses should do this in FCompiler.update_executables()
 * FCompiler attributes .compiler_f77, .version_cmd, etc., are now
   properties that read from the .executables dictionary.
 * Update intel.py and absoft.py for above
 * Add extra asserts for defensive programming. Most of our problems
   here seem to come from bad values being generated, and the error not
   being caught until later.
     * must call FCompiler.customize() before FCompiler.get_version();
       command/build_ext.py and command/config.py updated
     * verify that commands make sense earlier -- must be None or
       lists of strings

Also,
 * add IA-32 as another pattern to search for in 32-bit Intel
   compiler version.
 * minor formatting
 * add debugging helpers to environment.py:EnvironmentConfig class

1 files changed, 4 insertions, 3 deletions

diff --git a/numpy/distutils/fcompiler/absoft.py b/numpy/distutils/fcompiler/absoft.py
index b14a59b26..96fc49e80 100644
--- a/numpy/distutils/fcompiler/absoft.py
+++ b/numpy/distutils/fcompiler/absoft.py
@@ -30,7 +30,7 @@ class AbsoftFCompiler(FCompiler):
     # Note that fink installs g77 as f77, so need to use f90 for detection.
 
     executables = {
-        'version_cmd'  : ['<F90>', None],
+        'version_cmd'  : None,          # set by update_executables
         'compiler_f77' : ["f77"],
         'compiler_fix' : ["f90"],
         'compiler_f90' : ["f90"],
@@ -45,9 +45,10 @@ class AbsoftFCompiler(FCompiler):
     module_dir_switch = None
     module_include_switch = '-p'
 
-    def get_flags_version(self):
+    def update_executables(self):
         f = cyg2win32(dummy_fortran_file())
-        return ['-V', '-c', f+'.f', '-o', f+'.o']
+        self.executables['version_cmd'] = ['<F90>', '-V', '-c',
+                                           f+'.f', '-o', f+'.o']
 
     def get_flags_linker_so(self):
         if os.name=='nt':