fix: ensure cflags are not mixed between windows and linux

Author: mbroadst

bindings/node/etc/build-static.sh

@@ -29,7 +29,11 @@ pushd $TOP_DIR
 # NOTE: On OSX, -DCMAKE_OSX_DEPLOYMENT_TARGET can be set to an OSX version
 # to suppress build warnings. However, doing that tends to break some
 # of the versions that can be built
-export BSON_EXTRA_CMAKE_FLAGS="-DCMAKE_INSTALL_LIBDIR=lib -DCMAKE_OSX_DEPLOYMENT_TARGET=\"10.12\" -DCMAKE_C_FLAGS_RELWITHDEBINFO=\"/MT\""
+export BSON_EXTRA_CMAKE_FLAGS="-DCMAKE_INSTALL_LIBDIR=lib -DCMAKE_OSX_DEPLOYMENT_TARGET=\"10.12\""
+if [ "$OS" == "Windows_NT" ]; then
+  export BSON_EXTRA_CMAKE_FLAGS="${BSON_EXTRA_CMAKE_FLAGS} -DCMAKE_C_FLAGS_RELWITHDEBINFO=\"/MT\""
+fi
+
 . ${TOP_DIR}/libmongocrypt/.evergreen/build_install_bson.sh
 
 popd #./deps/tmp
@@ -40,7 +44,7 @@ pushd libmongocrypt-build #./deps/tmp/libmongocrypt-build
 CMAKE_FLAGS="-DDISABLE_NATIVE_CRYPTO=1 -DCMAKE_C_FLAGS=\"-fPIC\" -DCMAKE_INSTALL_LIBDIR=lib "
 if [ "$OS" == "Windows_NT" ]; then
   WINDOWS_CMAKE_FLAGS="-Thost=x64 -A x64 -DCMAKE_C_FLAGS_RELWITHDEBINFO=\"/MT\""
-  $CMAKE $CMAKE_FLAGS $WINDOWS_CMAKE_FLAGS -DCMAKE_PREFIX_PATH=$DEPS_PREFIX -DCMAKE_INSTALL_PREFIX=$DEPS_PREFIX "`cygpath -w $LIBMONGOCRYPT_DIR`"
+  $CMAKE $CMAKE_FLAGS $WINDOWS_CMAKE_FLAGS -DCMAKE_PREFIX_PATH="`cygpath -w $DEPS_PREFIX`" -DCMAKE_INSTALL_PREFIX="`cygpath -w $DEPS_PREFIX`" "`cygpath -w $LIBMONGOCRYPT_DIR`"
 else
   $CMAKE $CMAKE_FLAGS -DCMAKE_PREFIX_PATH=$DEPS_PREFIX -DCMAKE_INSTALL_PREFIX=$DEPS_PREFIX -DCMAKE_OSX_DEPLOYMENT_TARGET="10.12" $LIBMONGOCRYPT_DIR
 fi