Update build commands for Clang and MSVC runtime

Author: uNetworkingAB

build.c

@@ -82,7 +82,7 @@ void build_lsquic(const char *arch) {
     run("curl -OL https://github.com/madler/zlib/releases/download/v1.3.1/zlib-1.3.1.tar.gz");
     run("tar xzf zlib-1.3.1.tar.gz");
 
-    run("cd uWebSockets/uSockets/lsquic && cmake -DCMAKE_C_FLAGS=\"/Wv:18 /DWIN32 /I..\\..\\..\\zlib-1.3.1\" -DZLIB_INCLUDE_DIR=..\\..\\..\\zlib-1.3.1 -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DBORINGSSL_DIR=../boringssl -DCMAKE_BUILD_TYPE=Release -DLSQUIC_BIN=Off . && msbuild ALL_BUILD.vcxproj");
+    run("cd uWebSockets/uSockets/lsquic && cmake -DCMAKE_C_FLAGS=\"/Wv:18 /DWIN32 /I..\\..\\..\\zlib-1.3.1\" -DZLIB_INCLUDE_DIR=..\\..\\..\\zlib-1.3.1 -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DBORINGSSL_DIR=../boringssl -DCMAKE_BUILD_TYPE=Release -DLSQUIC_BIN=Off . && msbuild ALL_BUILD.vcxproj");
 #endif
 }
 
@@ -105,7 +105,7 @@ void build_boringssl(const char *arch) {
 
 #ifdef IS_WINDOWS
     /* Build for x64 (the host) */
-    run("cd uWebSockets/uSockets/boringssl && mkdir -p x64 && cd x64 && cmake -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_BUILD_TYPE=Release -GNinja .. && ninja crypto ssl");
+    run("cd uWebSockets/uSockets/boringssl && mkdir -p x64 && cd x64 && cmake -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_BUILD_TYPE=Release -GNinja .. && ninja crypto ssl");
 #endif
 
 }