fix mk.bat and mklib.bat and update readme.md for windows

mk.bat

@@ -1,9 +1,20 @@
 @echo off
 call setvar.bat
-set SRC=%1
+if "%1"=="-s" (
+  echo use static lib
+  set CFLAGS=%CFLAGS% /DMCLBN_DONT_EXPORT
+) else if "%1"=="-d" (
+  echo use dynamic lib
+) else (
+  echo "mk (-s|-d) <source file>"
+  goto exit
+)
+set SRC=%2
 set EXE=%SRC:.cpp=.exe%
 set EXE=%EXE:.c=.exe%
 set EXE=%EXE:test\=bin\%
 set EXE=%EXE:sample\=bin\%
-echo cl %CFLAGS% %1 %2 %3 /Fe:%EXE% /link %LDFLAGS%
+echo cl %CFLAGS% %2 /Fe:%EXE% /link %LDFLAGS%
-cl %CFLAGS% %1 %2 %3 /Fe:%EXE% /link %LDFLAGS%
+cl %CFLAGS% %2 /Fe:%EXE% /link %LDFLAGS%
+
+:exit

mklib.bat

@@ -1,5 +1,10 @@
 @echo off
 call setvar.bat
+if "%1"=="dll" (
+  echo make dynamic library DLL
+) else (
+  echo make static library LIB
+)
 rem nasm -f win64 -D_WIN64 src\asm\low_x86-64.asm
 rem lib /OUT:lib\mcl.lib /nodefaultlib fp.obj src\asm\low_x86-64.obj
 
@@ -8,17 +13,22 @@ echo cl /c %CFLAGS% src\fp.cpp /Foobj\fp.obj
 echo lib /nologo /OUT:lib\mcl.lib /nodefaultlib obj\fp.obj
      lib /nologo /OUT:lib\mcl.lib /nodefaultlib obj\fp.obj
 
-echo cl /c %CFLAGS% src\bn_c256.cpp /Foobj\bn_c256.obj
+if "%1"=="dll" (
-     cl /c %CFLAGS% src\bn_c256.cpp /Foobj\bn_c256.obj
+  echo cl /c %CFLAGS% src\she_c256.cpp /Foobj\she_c256.obj
-echo link /nologo /DLL /OUT:bin\mclbn256.dll obj\bn_c256.obj obj\fp.obj %LDFLAGS% /implib:lib\mclbn256.lib
+     cl /c %CFLAGS% src\she_c256.cpp /Foobj\she_c256.obj /DMCLBN_NO_AUTOLINK
-     link /nologo /DLL /OUT:bin\mclbn256.dll obj\bn_c256.obj obj\fp.obj %LDFLAGS% /implib:lib\mclbn256.lib
+  echo link /nologo /DLL /OUT:bin\mclbn256.dll obj\she_c256.obj obj\fp.obj %LDFLAGS% /implib:lib\mclshe256.lib
+     link /nologo /DLL /OUT:bin\mclbn256.dll obj\she_c256.obj obj\fp.obj %LDFLAGS% /implib:lib\mclshe256.lib
 
   echo cl /c %CFLAGS% src\bn_c384.cpp /Foobj\bn_c384.obj
-     cl /c %CFLAGS% src\bn_c384.cpp /Foobj\bn_c384.obj
+     cl /c %CFLAGS% src\bn_c384.cpp /Foobj\bn_c384.obj /DMCLBN_NO_AUTOLINK
   echo link /nologo /DLL /OUT:bin\mclbn384.dll obj\bn_c384.obj obj\fp.obj %LDFLAGS% /implib:lib\mclbn384.lib
      link /nologo /DLL /OUT:bin\mclbn384.dll obj\bn_c384.obj obj\fp.obj %LDFLAGS% /implib:lib\mclbn384.lib
+) else (
+  echo cl /c %CFLAGS% src\bn_c256.cpp /Foobj\bn_c256.obj
+     cl /c %CFLAGS% src\bn_c256.cpp /Foobj\bn_c256.obj
+     lib /nologo /OUT:lib\mclbn256.lib /nodefaultlib obj\bn_c256.obj lib\mcl.lib
 
-echo cl /c %CFLAGS% src\she_c256.cpp /Foobj\she_c256.obj
+  echo cl /c %CFLAGS% src\bn_c384.cpp /Foobj\bn_c384.obj
-     cl /c %CFLAGS% src\she_c256.cpp /Foobj\she_c256.obj
+     cl /c %CFLAGS% src\bn_c384.cpp /Foobj\bn_c384.obj
-echo link /nologo /DLL /OUT:bin\mclbn256.dll obj\she_c256.obj obj\fp.obj %LDFLAGS% /implib:lib\mclshe256.lib
+     lib /nologo /OUT:lib\mclbn384.lib /nodefaultlib obj\bn_c384.obj lib\mcl.lib
-     link /nologo /DLL /OUT:bin\mclbn256.dll obj\she_c256.obj obj\fp.obj %LDFLAGS% /implib:lib\mclshe256.lib
+)

readme.md

@@ -114,14 +114,19 @@ make ARCH=x86 CFLAGS_USER="-I <lib32>/include" LDFLAGS_USER="-L <lib32>/lib -Wl,
 ```
 
 ## Build for 64-bit Windows
-1) make library
+1) make static library and use it
+
 ```
-mklib.bat
+mklib
+mk -s test\bn_c256_test.cpp
+bin\bn_c256_test.exe
 ```
-2) make exe binary of sample\pairing.cpp
+2) make dynamic library and use it
+
 ```
-mk sample\pairing.cpp
+mklib dll
-bin/bn_test.exe
+mk -d test\bn_c256_test.cpp
+bin\bn_c256_test.exe
 ```
 
 open mcl.sln and build or if you have msbuild.exe