added set information to CONTRIBUTING

also updated windows test targets to use /MP

CONTRIBUTING.md

@@ -35,13 +35,24 @@ If test discovery fails you can usually fix it by enabling
 `Auto Detect runsettings Files` (settings gear icon > `Configure Run Settings`).
 
 ### Testing on Linux (and WSL)
-Install [meson] and [ninja] if necessary, then:
 ```bash
+# install ninja, meson, locales (first time only)
+sudo apt update && sudo apt install -y locales python3 python3-pip ninja-build
+sudo pip3 install meson
+sudo locale-gen	'en_US.utf8' \
+				'ja_JP.utf8' \
+				'de_DE.utf8' \
+				'it_IT.utf8' \
+				'tr_TR.utf8' \
+				'fi_FI.utf8' \
+				'fr_FR.utf8' \
+				'zh_CN.utf8'
+
 # create the build configs (first time only)
 CXX=g++     meson build-gcc-debug     -DGENERATE_CMAKE_CONFIG=disabled -DALL_WARNINGS=true
 CXX=clang++ meson build-clang-debug   -DGENERATE_CMAKE_CONFIG=disabled -DALL_WARNINGS=true
-CXX=g++     meson build-gcc-release   --buildtype=release -DGENERATE_CMAKE_CONFIG=disabled -DALL_WARNINGS=true
+CXX=g++     meson build-gcc-release   -DGENERATE_CMAKE_CONFIG=disabled -DALL_WARNINGS=true --buildtype=release
-CXX=clang++ meson build-clang-release --buildtype=release -DGENERATE_CMAKE_CONFIG=disabled -DALL_WARNINGS=true
+CXX=clang++ meson build-clang-release -DGENERATE_CMAKE_CONFIG=disabled -DALL_WARNINGS=true --buildtype=release
 
 # run the tests
 cd build-gcc-debug && ninja && ninja test				\

python/generate_windows_test_targets.py

@@ -85,6 +85,7 @@ def main():
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>std{standard}</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

python/requirements.txt

@@ -0,0 +1,4 @@
+requests
+bs4
+pyyaml
+python-dateutil

vs/tests/test_debug_x64.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpp17</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_debug_x64_cpplatest.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpplatest</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_debug_x64_cpplatest_noexcept.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpplatest</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_debug_x64_cpplatest_noexcept_unrel.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpplatest</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_debug_x64_cpplatest_unrel.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpplatest</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_debug_x64_noexcept.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpp17</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_debug_x64_noexcept_unrel.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpp17</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_debug_x64_unrel.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpp17</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_debug_x86.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpp17</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_debug_x86_cpplatest.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpplatest</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_debug_x86_cpplatest_noexcept.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpplatest</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_debug_x86_cpplatest_noexcept_unrel.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpplatest</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_debug_x86_cpplatest_unrel.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpplatest</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_debug_x86_noexcept.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpp17</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_debug_x86_noexcept_unrel.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpp17</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_debug_x86_unrel.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpp17</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_release_x64.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpp17</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_release_x64_cpplatest.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpplatest</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_release_x64_cpplatest_noexcept.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpplatest</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_release_x64_cpplatest_noexcept_unrel.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpplatest</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_release_x64_cpplatest_unrel.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpplatest</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_release_x64_noexcept.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpp17</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_release_x64_noexcept_unrel.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpp17</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_release_x64_unrel.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpp17</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_release_x86.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpp17</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_release_x86_cpplatest.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpplatest</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_release_x86_cpplatest_noexcept.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpplatest</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_release_x86_cpplatest_noexcept_unrel.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpplatest</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_release_x86_cpplatest_unrel.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpplatest</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_release_x86_noexcept.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpp17</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_release_x86_noexcept_unrel.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpp17</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>

vs/tests/test_release_x86_unrel.vcxproj

@@ -42,6 +42,7 @@
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'=='false'">SHOULD_HAVE_EXCEPTIONS=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<PreprocessorDefinitions Condition="'%(ExceptionHandling)'!='false'">SHOULD_HAVE_EXCEPTIONS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 			<LanguageStandard>stdcpp17</LanguageStandard>
+			<MultiProcessorCompilation>true</MultiProcessorCompilation>
 		</ClCompile>
 	</ItemDefinitionGroup>
 	<PropertyGroup>