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-rw-r--r--indra/cmake/00-Common.cmake5
1 files changed, 4 insertions, 1 deletions
diff --git a/indra/cmake/00-Common.cmake b/indra/cmake/00-Common.cmake
index 03da30649a..865c057e33 100644
--- a/indra/cmake/00-Common.cmake
+++ b/indra/cmake/00-Common.cmake
@@ -60,7 +60,10 @@ if (WINDOWS)
# http://www.cmake.org/pipermail/cmake/2009-September/032143.html
string(REPLACE "/Zm1000" " " CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
+ # Without PreferredToolArchitecture=x64, as of 2020-06-26 the 32-bit
+ # compiler on our TeamCity build hosts has started running out of virtual
+ # memory for the precompiled header file.
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP /p:PreferredToolArchitecture=x64")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO
"${CMAKE_CXX_FLAGS_RELWITHDEBINFO} /Zo"