Add C++17 tests fpr Windows.

Author: TurkeyMan

Diff for: setmscver.bat

@@ -4,4 +4,10 @@ cl /nologo /EP ver.c > ver_raw.txt
 findstr /v /r /c:"^$" "ver_raw.txt" > "ver.txt"
 set /P _MSC_VER=< ver.txt
 echo set _MSC_VER=%_MSC_VER%
+if exist cflags.txt del /q cflags.txt
+if exist dflags.txt del /q dflags.txt
+if exist add_tests.txt del /q add_tests.txt
+if %_MSC_VER% GTR 1900 echo /std:c++17 > cflags.txt
+if %_MSC_VER% GTR 1900 echo -extern-std=c++17 > dflags.txt
+if %_MSC_VER% GTR 1900 echo string_view > add_tests.txt
 del ver.c ver_raw.txt

Diff for: test/stdcpp/win64.mak

@@ -5,29 +5,34 @@ MODEL=64
 DRUNTIMELIB=druntime64.lib
 CC=cl
 
-_MSC_VER = $(file < ..\..\ver.txt)
+TESTS=array allocator new string vector
 
-TESTS= array allocator new string vector
+_MSC_VER=$(file < ..\..\ver.txt)
+ADD_CFLAGS=$(file < ..\..\cflags.txt)
+ADD_DFLAGS=$(file < ..\..\dflags.txt)
+ADD_TESTS=$(file < ..\..\add_tests.txt)
+
+TESTS=$(TESTS) $(ADD_TESTS)
 
 test: $(TESTS)
 
 $(TESTS):
-	"$(CC)" -c /Fo$@_cpp.obj test\stdcpp\src\$@.cpp /EHsc /MT
-	"$(DMD)" -of=$@.exe -m$(MODEL) -conf= -Isrc -defaultlib=$(DRUNTIMELIB) -main -unittest -version=_MSC_VER_$(_MSC_VER) -mscrtlib=libcmt test\stdcpp\src\$@_test.d $@_cpp.obj
+	"$(CC)" -c /Fo$@_cpp.obj test\stdcpp\src\$@.cpp /EHsc /MT $(ADD_CFLAGS)
+	"$(DMD)" -of=$@.exe -m$(MODEL) -conf= -Isrc -defaultlib=$(DRUNTIMELIB) -main -unittest -version=_MSC_VER_$(_MSC_VER) -mscrtlib=libcmt $(ADD_DFLAGS) test\stdcpp\src\$@_test.d $@_cpp.obj
 	$@.exe
 	del $@.exe $@.obj $@_cpp.obj
 
-	"$(CC)" -c /Fo$@_cpp.obj test\stdcpp\src\[email protected] /EHsc /MD
-	"$(DMD)" [email protected] -m$(MODEL) -conf= -Isrc -defaultlib=$(DRUNTIMELIB) -main -unittest -version=_MSC_VER_$(_MSC_VER) -mscrtlib=msvcrt test\stdcpp\src\$@_test.d $@_cpp.obj
+	"$(CC)" -c /Fo$@_cpp.obj test\stdcpp\src\[email protected] /EHsc /MD $(ADD_CFLAGS)
+	"$(DMD)" [email protected] -m$(MODEL) -conf= -Isrc -defaultlib=$(DRUNTIMELIB) -main -unittest -version=_MSC_VER_$(_MSC_VER) -mscrtlib=msvcrt $(ADD_DFLAGS) test\stdcpp\src\$@_test.d $@_cpp.obj
 	[email protected]
 	del [email protected] [email protected] $@_cpp.obj
 
-	"$(CC)" -c /Fo$@_cpp.obj test\stdcpp\src\[email protected] /EHsc /MTd
-	"$(DMD)" [email protected] -m$(MODEL) -conf= -Isrc -defaultlib=$(DRUNTIMELIB) -main -unittest -version=_MSC_VER_$(_MSC_VER) -mscrtlib=libcmtd test\stdcpp\src\$@_test.d $@_cpp.obj
+	"$(CC)" -c /Fo$@_cpp.obj test\stdcpp\src\[email protected] /EHsc /MTd $(ADD_CFLAGS)
+	"$(DMD)" [email protected] -m$(MODEL) -conf= -Isrc -defaultlib=$(DRUNTIMELIB) -main -unittest -version=_MSC_VER_$(_MSC_VER) -mscrtlib=libcmtd $(ADD_DFLAGS) test\stdcpp\src\$@_test.d $@_cpp.obj
 	[email protected]
 	del [email protected] [email protected] $@_cpp.obj
 
-	"$(CC)" -c /Fo$@_cpp.obj test\stdcpp\src\[email protected] /EHsc /MDd
-	"$(DMD)" [email protected] -m$(MODEL) -conf= -Isrc -defaultlib=$(DRUNTIMELIB) -main -unittest -version=_MSC_VER_$(_MSC_VER) -mscrtlib=msvcrtd test\stdcpp\src\$@_test.d $@_cpp.obj
+	"$(CC)" -c /Fo$@_cpp.obj test\stdcpp\src\[email protected] /EHsc /MDd $(ADD_CFLAGS)
+	"$(DMD)" [email protected] -m$(MODEL) -conf= -Isrc -defaultlib=$(DRUNTIMELIB) -main -unittest -version=_MSC_VER_$(_MSC_VER) -mscrtlib=msvcrtd $(ADD_DFLAGS) test\stdcpp\src\$@_test.d $@_cpp.obj
 	[email protected]
 	del [email protected] [email protected] $@_cpp.obj