win msvc build for libsqlite3

.github/workflows/sqlite3.yml

@@ -27,4 +27,4 @@ jobs:
     uses: ./.github/workflows/_matrix.yml
     with:
       disable_static: true
-      select_platforms: "macosx, linux, android"
+      select_platforms: "macosx, linux, android, win-msvc"

build_v2.py

@@ -217,6 +217,8 @@ def __init__(self,
         #  - API Level 35: android.media.MediaCodec#PARAMETER_KEY_QP_OFFSET_MAP
         self.android_api_level: "int" = 28
 
+        self.win32_sdk_version: "str" = ''
+        self.win32_compat_vers: "str" = '19.00' # -D_MSC_VER=1900
         self.win32_msvc_env_native: "dict[str, str]" = {}
         self.win32_msvc_env_target: "dict[str, str]" = {}
 
@@ -507,13 +509,32 @@ def _setctx_win32_msvc(
 
     msvc_dir, msvc_devshell = x.win32_msvc_detect()
     state.win32_msvc_env_native = x.win32_msvc_dump_env(msvc_dir, msvc_devshell, x.NATIVE_ARCH)
-    state.win32_msvc_env_target = x.win32_msvc_dump_env(msvc_dir, msvc_devshell, state.target_arch)
+    state.win32_msvc_env_target = x.win32_msvc_dump_env(msvc_dir, msvc_devshell, state.target_arch, state.win32_sdk_version)
 
     state.llvm_triple = {
         'arm64': f'aarch64-pc-windows-msvc',
         'amd64': f'x86_64-pc-windows-msvc',
     }[state.target_arch]
 
+    state.cc.extend([
+        f'clang', f'--driver-mode=cl',
+        f'--target={state.llvm_triple}',
+        f'-fms-compatibility-version={state.win32_compat_vers}',
+    ])
+    if state.win32_sdk_version:
+        state.cc.extend([
+            f'/winsdkversion', state.win32_sdk_version,
+        ])
+    if state.target_arch == 'amd64':
+        state.cc.extend(['-march=x86-64-v2'])
+    if state.target_arch == 'arm64':
+        state.cc.extend(['-march=armv8-a'])
+    state.ar.extend(['llvm-ar'])
+    state.ar.extend(['llvm-nm'])
+    state.ldflags.extend(['/clang:-fuse-ld=lld'])
+    state.objcopy.extend(['llvm-objcopy'])
+    state.objcopy.extend(['llvm-windres'])
+
     # cmake toolchain file
     state.extra_cmake.extend([
         '-G',  'Ninja',

modules/sqlite3.py

@@ -66,12 +66,19 @@ def _build_step_0():
         '-DSQLITE_OMIT_SHARED_CACHE',
         '-DSQLITE_OMIT_UTF16',
         '-DSQLITE_STRICT_SUBTYPE=1',
-    ] + [
-        '-std=c11', '-fPIC', '-Wall', '-Wextra',
-        '-shared', '-v', '-O3', '-DNDEBUG',
-        '-ffunction-sections', '-fdata-sections',
-        '-pthread',
     ]
+    if ctx.args.target_plat != 'win-msvc':
+        args.extend([
+            '-std=c11', '-fPIC', '-Wall', '-Wextra',
+            '-shared', '-v', '-O3', '-DNDEBUG',
+            '-ffunction-sections', '-fdata-sections',
+            '-pthread',
+        ])
+    else:
+        args.extend([
+            '/std:c11', '-DNDEBUG', '/W4', '/Gw', '/Gy', '/MT', '/LD',
+            '/clang:-v', '/clang:-O3',
+        ])
 
     output = (Path(ctx.args.pkg_inst_dir))
     if ctx.args.target_plat in {'linux', 'android'}:
@@ -83,6 +90,16 @@ def _build_step_0():
             '-Wl,--icf=safe', '-Wl,-rpath,$ORIGIN',
             '-o', output.as_posix(), f'-Wl,--soname={output.name}', '-lm',
         ])
+    elif ctx.args.target_plat == 'win-msvc':
+        output = (output / 'lib' / 'libsqlite3.dll'); \
+            output.parent.mkdir(parents=True, exist_ok=True)
+        args.extend([
+            '-Xlinker', '/OPT:REF',
+            '-Xlinker', '/OPT:ICF',
+            '-Xlinker', '/WX',
+            '-Xlinker', '/Brepro',
+            '-o', output.as_posix(),
+        ])
     elif ctx.args.target_plat == 'win-mingw':
         pass
     else: # apple platform

x_utils.py

@@ -258,7 +258,7 @@ def win32_msvc_detect() -> "tuple[Path, Path]":
     logv(f'load msvc devshell: "{msvc_devshell.as_posix()}"')
     return (msvc_dir, msvc_devshell)
 
-def win32_msvc_dump_env(msvc_dir: Path, msvc_devshell: Path, target_arch: str) -> "dict[str, str]":
+def win32_msvc_dump_env(msvc_dir: Path, msvc_devshell: Path, target_arch: str, winsdk_version: "str | None" = None) -> "dict[str, str]":
     if NATIVE_PLAT != 'windows':
         loge(f'only works on windows, host os: {NATIVE_PLAT}')
 
@@ -267,15 +267,15 @@ def win32_msvc_dump_env(msvc_dir: Path, msvc_devshell: Path, target_arch: str) -
 
     # Only supports access to the VS DevShell from PowerShell
     #  - https://learn.microsoft.com/visualstudio/ide/reference/command-prompt-powershell#developer-powershell
-    vs_devshell_arg = f'-host_arch={NATIVE_ARCH} -arch={target_arch}'
+    vs_devshell_arg = f'-host_arch={NATIVE_ARCH} -arch={target_arch} -no_logo'
+    if winsdk_version: vs_devshell_arg += f' -winsdk={winsdk_version}'
 
     pwsh_script_blk  = f'Import-Module "{msvc_devshell}"; '
     pwsh_script_blk += f'Enter-VsDevShell -VsInstallPath "{msvc_dir}" -SkipAutomaticLocation -DevCmdArguments "{vs_devshell_arg}"; '
     pwsh_script_blk += f'Get-ChildItem Env: | Select-Object -Property Name,Value | ConvertTo-Json -Depth 1  1>{msvc_env_json.as_posix()}; '
     run_as_subprocess(['pwsh',
         '-WorkingDirectory', PROJ_ROOT,
         '-NonInteractive',
-        '-NoProfileLoadTime',
         '-ExecutionPolicy', 'Bypass',
         '-Command', pwsh_script_blk
     ])