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VS: Add an environment variable for the Windows 10 kits directory

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Define a `CMAKE_WINDOWS_KITS_10_DIR` environment variable to allow
users to tell CMake about a custom Windows 10 SDK directory.  We
choose to make this an environment variable rather than a CMake
variable or cache entry because:

* Using a custom directory also requires custom external MSBuild
  configuration.  Therefore users are already configuring a
  custom environment.

* The custom directory must be set consistently in all parts of
  a build including nested projects.  An environment variable
  avoids requiring users to thread the setting into nested builds.

Fixes: #16743
This commit is contained in:
Brad King
2017-04-12 10:53:36 -04:00
parent b80c6d120c
commit fee011946e
3 changed files with 19 additions and 0 deletions
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5
Help/variable/CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION.rst
View File

@@ -10,3 +10,8 @@ version. Otherwise CMake computes a default version based on the Windows
SDK versions available. The chosen Windows target version number is provided
in ``CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION``. If no Windows 10 SDK
is available this value will be empty.
One may set a ``CMAKE_WINDOWS_KITS_10_DIR`` *environment variable*
to an absolute path to tell CMake to look for Windows 10 SDKs in
a custom location. The specified directory is expected to contain
``Include/10.0.*`` directories.

6
Modules/InstallRequiredSystemLibraries.cmake
View File

@@ -31,6 +31,11 @@
# app-local deployment (e.g. to Windows XP). This is meaningful
# only with MSVC from Visual Studio 2015 or higher.
#
# One may set a ``CMAKE_WINDOWS_KITS_10_DIR`` *environment variable*
# to an absolute path to tell CMake to look for Windows 10 SDKs in
# a custom location. The specified directory is expected to contain
# ``Redist/ucrt/DLLs/*`` directories.
#
# ``CMAKE_INSTALL_MFC_LIBRARIES``
# Set to TRUE to install the MSVC MFC runtime libraries.
#
@@ -258,6 +263,7 @@ if(MSVC)
set(programfilesx86 "ProgramFiles(x86)")
find_path(WINDOWS_KITS_DIR NAMES Redist/ucrt/DLLs/${CMAKE_MSVC_ARCH}/ucrtbase.dll
PATHS
$ENV{CMAKE_WINDOWS_KITS_10_DIR}
"${windows_kits_dir}"
"$ENV{ProgramFiles}/Windows Kits/10"
"$ENV{${programfilesx86}}/Windows Kits/10"

8
Source/cmGlobalVisualStudio14Generator.cxx
View File

@@ -219,6 +219,14 @@ std::string cmGlobalVisualStudio14Generator::GetWindows10SDKVersion()
#if defined(_WIN32) && !defined(__CYGWIN__)
std::vector<std::string> win10Roots;
{
std::string win10Root;
if (cmSystemTools::GetEnv("CMAKE_WINDOWS_KITS_10_DIR", win10Root)) {
cmSystemTools::ConvertToUnixSlashes(win10Root);
win10Roots.push_back(win10Root);
}
}
{
// This logic is taken from the vcvarsqueryregistry.bat file from VS2015
// Try HKLM and then HKCU.