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2019-10-16Make target CPU part of msvc_info structBoris Kolpackov1-18/+21
2019-10-16Try to find MSVC installation for absolute cl.exe pathsBoris Kolpackov1-48/+102
Without this extra logic recursive invocation of the build system (e.g., in tests) will fail to obtain the full environment.
2019-10-14Fix bug in guess_msvc()Karen Arutyunov1-1/+1
2019-10-14Add missing #ifndef BUILD2_BOOTSTRAP around find_msvc() callBoris Kolpackov1-0/+2
2019-10-14Implement MSVC installation discovery for version 15 (2017) and laterKaren Arutyunov1-81/+564
In particular, this removes the requirement to build from the Visual Studio command prompt. Note that since MSVC compiler binaries are target-specific (i.e., there are no -m32/-m64 options nor something like /MACHINE), in this case we default to a 64-bit build (a 32-bit build can still be achieved by running from a suitable command prompt). Finally, this mechanism is also used to find Clang bundled with MSVC.
2019-10-11Various fixes to make clang-cl workBoris Kolpackov1-1/+1
Note that clang-cl's /showInclude output differs from cl's in the face of missing headers. In particular, it does not issue C1083 that we expect. As a result, this part of clang-cl's support is currently non-functional (the rest seems to work, however).
2019-10-11Switch clang-apple to primary/variant version setupBoris Kolpackov1-1/+58
2019-10-11Add support for clang-clBoris Kolpackov1-137/+241
The compiler type is `msvc`, variant `clang`.
2019-10-10Add %VCINSTALLDIR%\Tools\Llvm\bin as fallback search directory for ClangBoris Kolpackov1-6/+28
2019-10-08Pass MSVC and Platform SDK bin\ directories as binutils search pathsBoris Kolpackov1-16/+39
2019-10-08Redo bin pattern as PATH-like search paths rather than fallback directoryBoris Kolpackov1-6/+5
Also, unlike the fallback directory, the search paths are searched first rather than last.
2019-10-07Rearrange options for consistencyBoris Kolpackov1-1/+1
2019-10-07Pass MSVC system library search paths to linker if LIB envvar is unsetBoris Kolpackov1-4/+40
2019-10-05Fix bug in guess_clang_msvc()Boris Kolpackov1-2/+4
2019-10-05Add MSVC information to Clang signature, checksum on WindowsBoris Kolpackov1-19/+33
2019-10-05Implement more accurate MSVC information extraction from Clang on WindowsBoris Kolpackov1-280/+494
2019-08-28Move cc build system module to separate libraryKaren Arutyunov1-0/+1892