BUILD: add --debug-configure option to reduce output, use logger more

2 files changed, 13 insertions, 9 deletions

diff --git a/numpy/distutils/command/build.py b/numpy/distutils/command/build.py
index b3e18b204..e44f5c0c5 100644
--- a/numpy/distutils/command/build.py
+++ b/numpy/distutils/command/build.py
@@ -16,8 +16,8 @@ class build(old_build):
     user_options = old_build.user_options + [
         ('fcompiler=', None,
          "specify the Fortran compiler type"),
-        ('parallel=', 'j',
-         "number of parallel jobs"),
+        ('debug-configure', None,
+         "show compiler output while determining platform-specific flags")
         ]
 
     help_options = old_build.help_options + [
@@ -28,14 +28,9 @@ class build(old_build):
     def initialize_options(self):
         old_build.initialize_options(self)
         self.fcompiler = None
-        self.parallel = None
+        self.debug_configure = False
 
     def finalize_options(self):
-        if self.parallel:
-            try:
-                self.parallel = int(self.parallel)
-            except ValueError:
-                raise ValueError("--parallel/-j argument must be an integer")
         build_scripts = self.build_scripts
         old_build.finalize_options(self)
         plat_specifier = ".{}-{}.{}".format(get_platform(), *sys.version_info[:2])
diff --git a/numpy/distutils/command/build_src.py b/numpy/distutils/command/build_src.py
index e183b2090..22e2dbf52 100644
--- a/numpy/distutils/command/build_src.py
+++ b/numpy/distutils/command/build_src.py
@@ -365,6 +365,15 @@ class build_src(build_ext.build_ext):
             build_dir = os.path.join(*([self.build_src]
                                        +name.split('.')[:-1]))
         self.mkpath(build_dir)
+
+        # it is unclear how to pass the cmdline options from build to here so
+        # "parse" the command line again
+        if '--debug-configure' in sys.argv:
+            new_level = log.INFO
+        else:
+            new_level = log.WARN
+        old_level = log.set_threshold(new_level)
+
         for func in func_sources:
             source = func(extension, build_dir)
             if not source:
@@ -375,7 +384,7 @@ class build_src(build_ext.build_ext):
             else:
                 log.info("  adding '%s' to sources." % (source,))
                 new_sources.append(source)
-
+        log.set_threshold(old_level)
         return new_sources
 
     def filter_py_files(self, sources):