Add NASM and add LLVM script

Internal/win_llvm-link-ad01970-2022-08-29.bat

@@ -0,0 +1,80 @@
+@ECHO OFF
+@rem LLVM installation path
+IF "%dp0%"=="" (SET LLVM=".\bin") ELSE (SET LLVM=%dp0%\bin)
+@rem SET LLVM="C:\Program Files\LLVM\bin\"
+IF NOT EXIST "%LLVM%" (
+	ECHO LLVM not found at %LLVM%\bin
+	EXIT /b
+)
+
+PUSHD "%LLVM%"
+
+@rem delete MSVC runtime library
+DEL api-ms*.dll
+DEL concrt140.dll
+DEL msvcp140*.dll
+DEL ucrtbase.dll
+DEL vcruntime140*.dll
+
+@rem make symbolic link
+DEL clang++.exe
+MKLINK clang++.exe clang-cl.exe
+
+DEL clang.exe
+MKLINK clang.exe clang-cl.exe
+
+DEL clang-cpp.exe
+MKLINK clang-cpp.exe clang-cl.exe
+
+DEL lld-link.exe
+MKLINK lld-link.exe lld.exe
+
+DEL ld.lld.exe
+MKLINK ld.lld.exe lld.exe
+
+DEL ld64.lld.exe
+MKLINK ld64.lld.exe lld.exe
+
+DEL wasm-ld.exe
+MKLINK wasm-ld.exe lld.exe
+
+DEL llvm-lib.exe
+MKLINK llvm-lib.exe llvm-ar.exe
+
+DEL llvm-ranlib.exe
+MKLINK llvm-ranlib.exe llvm-ar.exe
+
+@rem DEL libiomp5md.dll
+@rem MKLINK libiomp5md.dll libomp.dll
+
+POPD
+
+@rem Python lldb
+PUSHD lib\site-packages\lldb
+
+IF EXIST _lldb.pyd (
+	DEL _lldb.pyd
+	MKLINK _lldb.pyd ..\..\..\bin\liblldb.dll
+)
+@rem LLVM 14.0.0
+IF EXIST _lldb.cp310-win_amd64.pyd (
+	DEL _lldb.cp310-win_amd64.pyd
+	MKLINK _lldb.cp310-win_amd64.pyd ..\..\..\bin\liblldb.dll
+)
+IF EXIST _lldb.cp310-win32.pyd (
+	DEL _lldb.cp310-win32.pyd
+	MKLINK _lldb.cp310-win32.pyd ..\..\..\bin\liblldb.dll
+)
+
+DEL lldb-argdumper.exe
+MKLINK lldb-argdumper.exe ..\..\..\bin\lldb-argdumper.exe
+
+POPD
+
+@rem LLVM 8.0 and later no longer contains this folder
+@rem MKDIR msbuild-bin
+@rem PUSHD msbuild-bin
+@rem
+@rem DEL cl.exe
+@rem MKLINK cl.exe ..\bin\clang.exe
+@rem POPD

app_manifest_dev.py

@@ -1687,4 +1687,32 @@ def get_manifest(is_windows):
 
     # --------------------------------------------------------------------------
 
+    if is_windows:
+        version           = "2.16.01"
+        exe_path          = "nasm.exe"
+        download_url      = f"https://www.nasm.us/pub/nasm/releasebuilds/{version}/win64/nasm-{version}-win64.zip"
+        download_checksum = "029eed31faf0d2c5f95783294432cbea6c15bf633430f254bb3c1f195c67ca3a"
+        checksum          = "edd81d22451246758450f1d5bd7f4c64937ed6cee06f3c2bbbba82401b32c6d4"
+        symlink           = [f"nasm-{version}"]
+
+        result.append({
+            "label": "NASM",
+            "manifests": [
+                {
+                    "download_url": download_url,
+                    "download_checksum": download_checksum,
+                    "version": version,
+                    "executables": [
+                        {
+                            "path": exe_path,
+                            "symlink": symlink,
+                            "add_to_devenv_path": False,
+                            "checksum": checksum,
+                        }
+                    ],
+                    "add_to_devenv_script": [],
+                }
+            ],
+        })
+
     return result

install.py

@@ -392,13 +392,30 @@ pause
         subprocess.run(args=["chmod", "+x", dev_env_script_path])
         subprocess.run(args=["chmod", "+x", user_env_script_path])
 
+    # Use LLVM script to fix up bloated installation
+    # --------------------------------------------------------------------------
+    # See: https://github.com/zufuliu/llvm-utils/blob/main/llvm/llvm-link.bat
+    internal_dir  = pathlib.Path(os.path.dirname(os.path.abspath(__file__))) / "Internal"
+    if is_windows:
+        devenver.print_header("Use LLVM utils script to slim installation size")
+        install_dir_set = set()
+        for entry in installed_dev_apps["LLVM"]:
+            install_dir = entry['install_dir']
+            install_dir_set.add(install_dir)
+
+        llvm_script_src_path = internal_dir / "win_llvm-link-ad01970-2022-08-29.bat"
+        for install_dir in install_dir_set:
+            llvm_script_dest_path = install_dir / "llvm-link.bat"
+            shutil.copy(llvm_script_src_path, llvm_script_dest_path)
+            subprocess.run(llvm_script_dest_path, cwd=install_dir)
+            os.remove(llvm_script_dest_path)
+
     # Install left-overs
     # --------------------------------------------------------------------------
     devenver.print_header("Install configuration files")
 
     # Copy init.vim to NVIM directory
-    internal_dir          = pathlib.Path(os.path.dirname(os.path.abspath(__file__))) / "Internal"
-    nvim_init_dir         = ""
+    nvim_init_dir = ""
 
     if is_windows:
         nvim_init_dir = pathlib.Path(os.path.expanduser("~")) / "AppData" / "Local" / "nvim"