Bug 864774 - Part 1: Support CPP_SOURCES in moz.build; r=gps

From a9d4b403b4f61afcfb27881c5330f95415481a40 Mon Sep 17 00:00:00 2001

python/mozbuild/mozbuild/frontend/emitter.py

@@ -85,6 +85,8 @@ class TreeMetadataEmitter(object):
             passthru.variables['XPIDL_MODULE'] = sandbox['XPIDL_MODULE']
         if sandbox['XPIDL_FLAGS']:
             passthru.variables['XPIDL_FLAGS'] = sandbox['XPIDL_FLAGS']
+        if sandbox['CPP_SOURCES']:
+            passthru.variables['CPPSRCS'] = sandbox['CPP_SOURCES']
 
         if passthru.variables:
             yield passthru

python/mozbuild/mozbuild/frontend/sandbox_symbols.py

@@ -175,6 +175,13 @@ VARIABLES = {
         BIN_SUFFIX, PROGRAM will remain unchanged.
         """),
 
+    'CPP_SOURCES': (list, [],
+        """C++ source file list.
+
+        This is a list of C++ files to be compiled. Entries must be files that
+        exist. These generally have .cpp, .cc, or .cxx extensions.
+        """),
+
     # IDL Generation.
     'XPIDL_SOURCES': (list, [],
         """XPCOM Interface Definition Files (xpidl).