Update README.md

Author: tonyfreeman

README.md

@@ -31,28 +31,20 @@ brew install v8
 #### SwiftPM arguments
 
 ```bash
-swift build -Xcc -I/usr/local/Cellar/v8/9.3.345.16/libexec/include 
+swift build
 
-swift test \
- -Xcc -I/usr/local/Cellar/v8/9.3.345.16/libexec/include \
- -Xlinker -L/usr/local/Cellar/v8/9.3.345.16/libexec \
- --generate-linuxmain
-
-swift package \
- -Xcc -I/usr/local/Cellar/v8/9.3.345.16/libexec/include \
- -Xlinker -L/usr/local/Cellar/v8/9.3.345.16/libexec \
- generate-xcodeproj
+./run_tests
 ```
 
 ### Linux
 
-For full instructions follow https://v8.dev/docs/build
+Hope the args are still valid. For full instructions follow https://v8.dev/docs/build
 ```bash
 git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git
 export PATH=$PATH:$(pwd)/depot_tools
 fetch v8
 cd v8
-gclient sync -r 9.3.345.16
+gclient sync -r 12.0.267.10
 ./build/install-build-deps.sh #OMG
 gn gen --args="is_debug=false is_component_build=true v8_use_external_startup_data=false v8_enable_i18n_support=false" out.gn/x64.release
 ninja -j8 -C out.gn/x64.release -v d8