From: Andreas Stieger <astieger@suse.com>

Date: Fri, 26 Feb 2016 16:20:09 +0000

Subject: For UnifiedBindings*.cpp files, reduce number of files per unified file

Upstream: no

home/abuild/rpmbuild/BUILD/obj/dom/bindings/UnifiedBindings16.cpp

[ 1589s] UnifiedBindings17.o

[ 1612s] [ 1567.621989] Out of memory: Kill process 19849 (cc1plus) score 170 or sacrifice child

[ 1612s] [ 1567.625099] Killed process 19849 (cc1plus) total-vm:905704kB, anon-rss:102500kB, file-rss:156kB

[ 1616s] {standard input}: Assembler messages:

[ 1616s] {standard input}:316015: Warning: end of file not at end of a line; newline inserted

[ 1635s] {standard input}: Error: open CFI at the end of file; missing .cfi_endproc directive

[ 1636s] c++: internal compiler error: Killed (program cc1plus)

[ 1636s] Please submit a full bug report,

diff --git a/python/mozbuild/mozbuild/frontend/data.py b/python/mozbuild/mozbuild/frontend/data.py

--- a/python/mozbuild/mozbuild/frontend/data.py

+++ b/python/mozbuild/mozbuild/frontend/data.py

@@ -310,17 +310,17 @@ class WebIDLCollection(ContextDerived):

     @property

     def unified_source_mapping(self):

         # Bindings are compiled in unified mode to speed up compilation and

         # to reduce linker memory size. Note that test bindings are separated

         # from regular ones so tests bindings aren't shipped.

         return list(group_unified_files(self.all_regular_cpp_basenames(),

                                         unified_prefix='UnifiedBindings',

                                         unified_suffix='cpp',

-                                        files_per_unified_file=32))

+                                        files_per_unified_file=16))

     def all_source_files(self):

         from mozwebidlcodegen import WebIDLCodegenManager

         return (sorted(list(WebIDLCodegenManager.GLOBAL_DEFINE_FILES)) +

                 sorted(set(p for p, _ in self.unified_source_mapping)))

 class IPDLCollection(ContextDerived):