Windows: Add missing dependencies

python/servo/build_commands.py

@@ -18,6 +18,7 @@
 import sys
 import urllib
 import zipfile
+import stat
 
 from time import time
 
@@ -587,6 +588,105 @@ def build(self, target=None, release=False, dev=False, jobs=None,
                 for ssl_lib in ["libcryptoMD.dll", "libsslMD.dll"]:
                     shutil.copy(path.join(env['OPENSSL_LIB_DIR'], "../bin" + msvc_x64, ssl_lib),
                                 servo_exe_dir)
+                # Search for the generated nspr4.dll
+                build_path = path.join(servo_exe_dir, "build")
+                nspr4 = "nspr4.dll"
+                nspr4_path = None
+                for root, dirs, files in os.walk(build_path):
+                    if nspr4 in files:
+                        nspr4_path = path.join(root, nspr4)
+                        break
+                if nspr4_path is None:
+                    print("WARNING: could not find nspr4.dll")
+                else:
+                    shutil.copy(nspr4_path, servo_exe_dir)
+                # copy needed gstreamer DLLs in to servo.exe dir
+                gst_x64 = "X86_64" if msvc_x64 == "64" else "X86"
+                gst_root = ""
+                gst_default_path = path.join("C:\\gstreamer\\1.0", gst_x64)
+                gst_env = "GSTREAMER_1_0_ROOT_" + gst_x64
+                if os.path.exists(path.join(gst_default_path, "bin", "libz.dll")):
+                    gst_root = gst_default_path
+                elif os.environ.get(gst_env) is not None:
+                    gst_root = os.environ.get(gst_env)
+                else:
+                    print("Could not found GStreamer installation directory.")
+                    status = 1
+                gst_dlls = [
+                    "libz.dll",
+                    "libintl-8.dll",
+                    "liborc-0.4-0.dll",
+                    "libwinpthread-1.dll",
+                    "libffi-7.dll",
+                    "libgobject-2.0-0.dll",
+                    "libglib-2.0-0.dll",
+                    "libgmodule-2.0-0.dll",
+                    "libgstreamer-1.0-0.dll",
+                    "libgstplayer-1.0-0.dll",
+                    "libgstapp-1.0-0.dll",
+                    "libgstaudio-1.0-0.dll",
+                    "libgstvideo-1.0-0.dll",
+                    "libgsttag-1.0-0.dll",
+                    "libgstbase-1.0-0.dll",
+                    "libgstpbutils-1.0-0.dll",
+                ]
+                if gst_root:
+                    for gst_lib in gst_dlls:
+                        shutil.copy(path.join(gst_root, "bin", gst_lib),
+                                    servo_exe_dir)
+                # copy some MSVC DLLs to servo.exe dir
+                msvc_redist_dir = None
+                vs_platform = os.environ.get("PLATFORM", "").lower()
+                vc_dir = os.environ.get("VCINSTALLDIR", "")
+                vs_version = os.environ.get("VisualStudioVersion", "")
+                msvc_deps = [
+                    "api-ms-win-crt-runtime-l1-1-0.dll",
+                    "msvcp140.dll",
+                    "vcruntime140.dll",
+                ]
+                # Check if it's Visual C++ Build Tools or Visual Studio 2015
+                vs14_vcvars = path.join(vc_dir, "vcvarsall.bat")
+                is_vs14 = True if os.path.isfile(vs14_vcvars) or vs_version == "14.0" else False
+                if is_vs14:
+                    msvc_redist_dir = path.join(vc_dir, "redist", vs_platform, "Microsoft.VC140.CRT")
+                elif vs_version == "15.0":
+                    redist_dir = path.join(os.environ.get("VCINSTALLDIR", ""), "Redist", "MSVC")
+                    if os.path.isdir(redist_dir):
+                        for p in os.listdir(redist_dir)[::-1]:
+                            redist_path = path.join(redist_dir, p)
+                            for v in ["VC141", "VC150"]:
+                                # there are two possible paths
+                                # `x64\Microsoft.VC*.CRT` or `onecore\x64\Microsoft.VC*.CRT`
+                                redist1 = path.join(redist_path, vs_platform, "Microsoft.{}.CRT".format(v))
+                                redist2 = path.join(redist_path, "onecore", vs_platform, "Microsoft.{}.CRT".format(v))
+                                if os.path.isdir(redist1):
+                                    msvc_redist_dir = redist1
+                                    break
+                                elif os.path.isdir(redist2):
+                                    msvc_redist_dir = redist2
+                                    break
+                            if msvc_redist_dir:
+                                break
+                if msvc_redist_dir:
+                    redist_dirs = [
+                        msvc_redist_dir,
+                        path.join(os.environ["WindowsSdkDir"], "Redist", "ucrt", "DLLs", vs_platform),
+                    ]
+                    for msvc_dll in msvc_deps:
+                        dll_found = False
+                        for dll_dir in redist_dirs:
+                            dll = path.join(dll_dir, msvc_dll)
+                            servo_dir_dll = path.join(servo_exe_dir, msvc_dll)
+                            if os.path.isfile(dll):
+                                if os.path.isfile(servo_dir_dll):
+                                    # avoid permission denied error when overwrite dll in servo build directory
+                                    os.chmod(servo_dir_dll, stat.S_IWUSR)
+                                shutil.copy(dll, servo_exe_dir)
+                                dll_found = True
+                                break
+                        if not dll_found:
+                            print("DLL file `{}` not found!".format(msvc_dll))
+                            status = 1
 
             elif sys.platform == "darwin":
                 # On the Mac, set a lovely icon. This makes it easier to pick out the Servo binary in tools