Update shared library extension on AIX to .a.

pylib/gyp/generator/make.py

Index: pylib/gyp/generator/make.py
diff --git a/pylib/gyp/generator/make.py b/pylib/gyp/generator/make.py
index 0db84292047bab4aa4003e055567216e6c6f78ff..e80ebaed78521e637dfed8a06ed47be3bdec3175 100644
--- a/pylib/gyp/generator/make.py
+++ b/pylib/gyp/generator/make.py
@@ -92,7 +92,10 @@ def CalculateVariables(default_variables, params):
     if flavor == 'android':
       operating_system = 'linux'  # Keep this legacy behavior for now.
     default_variables.setdefault('OS', operating_system)
-    default_variables.setdefault('SHARED_LIB_SUFFIX', '.so')
+    if flavor == 'aix':
+      default_variables.setdefault('SHARED_LIB_SUFFIX', '.a')

[scottmg, 2016/11/17 21:21:10]

crazy!

+    else:
+      default_variables.setdefault('SHARED_LIB_SUFFIX', '.so')
     default_variables.setdefault('SHARED_LIB_DIR','$(builddir)/lib.$(TOOLSET)')
     default_variables.setdefault('LIB_DIR', '$(obj).$(TOOLSET)')
 
@@ -1349,7 +1352,10 @@ $(obj).$(TOOLSET)/$(TARGET)/%%.o: $(obj)/%%%s FORCE_DO_CMD
       if target[:3] == 'lib':
         target = target[3:]
       target_prefix = 'lib'
-      target_ext = '.so'
+      if self.flavor == 'aix':
+        target_ext = '.a'
+      else:
+        target_ext = '.so'
     elif self.type == 'none':
       target = '%s.stamp' % target
     elif self.type != 'executable':