# Copyright 2020 MongoDB Inc. # # Permission is hereby granted, free of charge, to any person obtaining # a copy of this software and associated documentation files (the # "Software"), to deal in the Software without restriction, including # without limitation the rights to use, copy, modify, merge, publish, # distribute, sublicense, and/or sell copies of the Software, and to # permit persons to whom the Software is furnished to do so, subject to # the following conditions: # # The above copyright notice and this permission notice shall be included # in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # import os import re import subprocess import winreg def exists(env): result = "msvc" in env["TOOLS"] return result # How to locate the Merge Modules path is described in: # # - VS2019: https://docs.microsoft.com/en-us/visualstudio/releases/2019/redistribution#visual-c-runtime-files # - VS2017: https://docs.microsoft.com/en-us/visualstudio/productinfo/2017-redistribution-vs#visual-c-runtime-files # - VS2015: https://docs.microsoft.com/en-us/visualstudio/productinfo/2015-redistribution-vs#visual-c-runtime # # However, please note that for VS2017 an VS2019, the documented paths are incorrect, per this # discussion: # # - https://developercommunity.visualstudio.com/content/problem/828060/what-are-the-correct-location-to-search-for-vc-crt.html # # This tool uses the currently undocumented but correct paths. # The keys are the values SCons accepts for TARGET_ARCH to name # different windows targets, the values are the tag that VS uses # for the associated redistributable for that platform. # # TODO: Expand this map as needed. target_arch_expansion_map = { "amd64": "x64", "arm": None, "arm64": "arm64", "emt64": "x64", "i386": "x86", "x86": "x86", "x86_64": "x64", } def _get_programfiles(): result = os.getenv("ProgramFiles(x86)") # When we run this under cygwin, the environment is broken, fall # back to hard coded C:\Program Files (x86) if result is None: result = "C:\\Program Files (x86)" if not os.path.isdir(result): return None return result def _get_merge_module_name_for_feature(env, feature): version_components = env["MSVC_VERSION"].split(".") return "Microsoft_VC{msvc_major}{msvc_minor}_{feature}_{target_arch}.msm".format( msvc_major=version_components[0], msvc_minor=version_components[1], feature=feature, target_arch=target_arch_expansion_map[env.subst("$TARGET_ARCH")], ) def generate(env): if not exists(env): return env.Tool("msvc") env.AddMethod(_get_merge_module_name_for_feature, "GetMergeModuleNameForFeature") # Obtain the major and minor versions of the curently configured MSVC # and ensure that we are using a VC 14 based toolchain. # # Please see # https://en.wikipedia.org/wiki/Microsoft_Visual_C%2B%2B#Internal_version_numbering # for details on the various version numbers in play for # the Microsoft toolchain. msvc_major, msvc_minor = env["MSVC_VERSION"].split(".") if msvc_major != "14": return # We may or may not need to figure out the path to Program files, # depending on the various paths we take throught this logic. programfilesx86 = None # TODO: Getting this path is a start, but we should later provide # an abstraction over the names of the merge modules # themselves. They seem to have the form # Microsoft_VC{msvc_major}{msvc_minor}_{Feature}_{target_arch}.msm. It # would be useful to provide an env.MergeModuleNameFor('feature') # that consulted the values we have found here and used # TARGET_ARCH (normalized somehow) to select the right one. mergemodulepath = None # On VS2015 the merge modules are in the program files directory, # not under the VS install dir. if msvc_minor == "0": if not programfilesx86: programfilesx86 = _get_programfiles() if not programfilesx86: return mergemodulepath = os.path.join(programfilesx86, "Common Files", "Merge Modules") if os.path.isdir(mergemodulepath): env["MSVS"]["VCREDISTMERGEMODULEPATH"] = mergemodulepath if "VSINSTALLDIR" not in env["MSVS"]: # Compute a VS version based on the VC version. VC 14.0 is VS 2015, VC # 14.1 is VS 2017. Also compute the next theoretical version by # incrementing the major version by 1. Then form a range from this # that we can use as an argument to the -version flag to vswhere. vs_version = int(msvc_major) + int(msvc_minor) vs_version_next = vs_version + 1 vs_version_range = "[{vs_version}.0, {vs_version_next}.0)".format( vs_version=vs_version, vs_version_next=vs_version_next ) if not programfilesx86: programfilesx86 = _get_programfiles() if not programfilesx86: return # Use vswhere (it has a fixed stable path) to query where Visual Studio is installed. env["MSVS"]["VSINSTALLDIR"] = ( subprocess.check_output( [ os.path.join( programfilesx86, "Microsoft Visual Studio", "Installer", "vswhere.exe", ), "-version", vs_version_range, "-property", "installationPath", "-nologo", ] ) .decode("utf-8") .strip() ) vsinstall_dir = env["MSVS"]["VSINSTALLDIR"] # Combine and set the full merge module path redist_root = os.path.join(vsinstall_dir, "VC", "Redist", "MSVC") if not os.path.isdir(redist_root): return env["MSVS"]["VCREDISTROOT"] = redist_root # Check the registry key that has the runtime lib version try: # TOOO: This x64 needs to be abstracted away. Is it the host # arch, or the target arch? My guess is host. vsruntime_key_name = ( "SOFTWARE\\Microsoft\\VisualStudio\\{msvc_major}.0\\VC\\Runtimes\\x64".format( msvc_major=msvc_major ) ) vsruntime_key = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, vsruntime_key_name) vslib_version, vslib_version_type = winreg.QueryValueEx(vsruntime_key, "Version") except WindowsError: return # Fallback to directory search if we don't find the expected version redist_path = os.path.join( redist_root, re.match("v(\d+\.\d+\.\d+)\.\d+", vslib_version).group(1) ) if not os.path.isdir(redist_path): redist_path = None dirs = os.listdir(redist_root) dirs.sort() for dir in reversed(dirs): candidate = os.path.join(redist_root, dir) if os.path.isdir(candidate): redist_path = candidate break else: return env["MSVS"]["VCREDISTPATH"] = redist_path if mergemodulepath is None and msvc_minor != "0": mergemodulepath = os.path.join(redist_path, "MergeModules") if os.path.isdir(mergemodulepath): env["MSVS"]["VCREDISTMERGEMODULEPATH"] = mergemodulepath # Keep these in preference order. The way with the {} in between # the dots appears to be the more modern form, but we select the # older one when available to minimize disruption to existing # automation that expects the redist executable embedded in our # packages to have this shape. Some architectures, like arm64, # don't appear to be provided under that syntax though, so we # include the newer form for that purpose. If Microsoft ever stops # providing the old form, we will automatically roll forward to # the new form. vcredist_search_template_sequence = [ "vcredist_{}.exe", "vc_redist.{}.exe", ] expansion = target_arch_expansion_map.get(env.subst("$TARGET_ARCH"), None) if not expansion: return vcredist_candidates = [c.format(expansion) for c in vcredist_search_template_sequence] for candidate in vcredist_candidates: candidate = os.path.join(redist_path, candidate) if os.path.isfile(candidate): break else: return env["MSVS"]["VCREDISTEXE"] = candidate