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-rw-r--r--cmake/macros/FindPCHSupport.cmake10
1 files changed, 10 insertions, 0 deletions
diff --git a/cmake/macros/FindPCHSupport.cmake b/cmake/macros/FindPCHSupport.cmake
index abe7f40d171..9c77605616b 100644
--- a/cmake/macros/FindPCHSupport.cmake
+++ b/cmake/macros/FindPCHSupport.cmake
@@ -1,3 +1,13 @@
+if (MSVC)
+ # Specify the maximum PreCompiled Header memory allocation limit
+ # Fixes a compiler-problem when using PCH - the /Ym flag is adjusted by the compiler in MSVC2012,
+ # hence we need to set an upper limit with /Zm to avoid discrepancies)
+ # (And yes, this is a verified, unresolved bug with MSVC... *sigh*)
+ #
+ # Note: This workaround was verified to be required on MSVC 2017 as well
+ set(COTIRE_PCH_MEMORY_SCALING_FACTOR 500)
+endif()
+
include(cotire)
function(ADD_CXX_PCH TARGET_NAME_LIST PCH_HEADER)