workaround.patch

diff --git a/mcs/build/profiles/basic.make b/mcs/build/profiles/basic.make
index ef393d9..8a0d8b4 100644
--- a/mcs/build/profiles/basic.make
+++ b/mcs/build/profiles/basic.make
@@ -45,7 +45,7 @@ LIBRARY_COMPILE = $(BOOT_COMPILE)
 #
 # Copy from rules.make because I don't know how to unset MCS_FLAGS
 #
-USE_MCS_FLAGS = /codepage:$(CODEPAGE) /nologo /noconfig $(LOCAL_MCS_FLAGS) $(PLATFORM_MCS_FLAGS) $(PROFILE_MCS_FLAGS)
+USE_MCS_FLAGS = /codepage:$(CODEPAGE) /parallel- /nologo /noconfig $(LOCAL_MCS_FLAGS) $(PLATFORM_MCS_FLAGS) $(PROFILE_MCS_FLAGS)
 
 .PHONY: profile-check do-profile-check
 profile-check:
diff --git a/mcs/build/rules.make b/mcs/build/rules.make
index 7e1ee21..6d9c53c 100644
--- a/mcs/build/rules.make
+++ b/mcs/build/rules.make
@@ -29,7 +29,7 @@ ifndef BUILD_TOOLS_PROFILE
 BUILD_TOOLS_PROFILE = build
 endif
 
-USE_MCS_FLAGS = /codepage:$(CODEPAGE) /nologo /noconfig /deterministic $(LOCAL_MCS_FLAGS) $(PLATFORM_MCS_FLAGS) $(PROFILE_MCS_FLAGS) $(MCS_FLAGS)
+USE_MCS_FLAGS = /codepage:$(CODEPAGE) /parallel- /nologo /noconfig /deterministic $(LOCAL_MCS_FLAGS) $(PLATFORM_MCS_FLAGS) $(PROFILE_MCS_FLAGS) $(MCS_FLAGS)
 USE_MBAS_FLAGS = /codepage:$(CODEPAGE) $(LOCAL_MBAS_FLAGS) $(PLATFORM_MBAS_FLAGS) $(PROFILE_MBAS_FLAGS) $(MBAS_FLAGS)
 USE_CFLAGS = $(LOCAL_CFLAGS) $(CFLAGS) $(CPPFLAGS)
 CSCOMPILE = $(Q_MCS) $(MCS) $(USE_MCS_FLAGS)