diff options
Diffstat (limited to 'libbuild2/cc/guess.cxx')
| -rw-r--r-- | libbuild2/cc/guess.cxx | 774 |
1 files changed, 494 insertions, 280 deletions
diff --git a/libbuild2/cc/guess.cxx b/libbuild2/cc/guess.cxx index 02a2f5a..aed0d81 100644 --- a/libbuild2/cc/guess.cxx +++ b/libbuild2/cc/guess.cxx @@ -671,6 +671,289 @@ namespace build2 return r; } + static compiler_version + msvc_compiler_version (string v) + { + compiler_version r; + + // Split the version into components. + // + size_t b (0), e (b); + auto next = [&v, &b, &e] (const char* m) -> uint64_t + { + try + { + if (next_word (v, b, e, '.')) + return stoull (string (v, b, e - b)); + } + catch (const invalid_argument&) {} + catch (const out_of_range&) {} + + fail << "unable to extract MSVC " << m << " version from '" + << v << "'" << endf; + }; + + r.major = next ("major"); + r.minor = next ("minor"); + r.patch = next ("patch"); + + if (next_word (v, b, e, '.')) + r.build.assign (v, b, e - b); + + r.string = move (v); + + return r; + } + + static string + msvc_runtime_version (const compiler_version& v) + { + // Mapping of compiler versions to runtime versions: + // + // Note that VC 15 has runtime version 14.1 but the DLLs are still + // called *140.dll (they are said to be backwards-compatible). + // + // And VC 16 seems to have the runtime version 14.1 (and not 14.2, as + // one might expect; DLLs are still *140.dll but there are now _1 and _2 + // variants for, say, msvcp140.dll). We will, however, call it 14.2 + // (which is the version of the "toolset") in our target triplet. + // + // year ver cl crt/dll toolset + // + // 2019 16.X 19.2X 14.2/140 14.2X + // 2017 15.9 19.16 14.1/140 14.16 + // 2017 15.8 19.15 14.1/140 + // 2017 15.7 19.14 14.1/140 + // 2017 15.6 19.13 14.1/140 + // 2017 15.5 19.12 14.1/140 + // 2017 15.3 19.11 14.1/140 + // 2017 15 19.10 14.1/140 + // 2015 14 19.00 14.0/140 + // 2013 12 18.00 12.0/120 + // 2012 11 17.00 11.0/110 + // 2010 10 16.00 10.0/100 + // 2008 9 15.00 9.0/90 + // 2005 8 14.00 8.0/80 + // 2003 7.1 13.10 7.1/71 + // + // _MSC_VER is the numeric cl version, e.g., 1921 for 19.21. + // + /**/ if (v.major == 19 && v.minor >= 20) return "14.2"; + else if (v.major == 19 && v.minor >= 10) return "14.1"; + else if (v.major == 19 && v.minor == 0) return "14.0"; + else if (v.major == 18 && v.minor == 0) return "12.0"; + else if (v.major == 17 && v.minor == 0) return "11.0"; + else if (v.major == 16 && v.minor == 0) return "10.0"; + else if (v.major == 15 && v.minor == 0) return "9.0"; + else if (v.major == 14 && v.minor == 0) return "8.0"; + else if (v.major == 13 && v.minor == 10) return "7.1"; + + fail << "unable to map MSVC compiler version '" << v.string + << "' to runtime version" << endf; + } + + + static compiler_info + guess_msvc (const char* xm, + lang xl, + const path& xc, + const string* xv, + const string* xt, + const strings*, const strings*, + const strings*, const strings*, + const strings*, const strings*, + guess_result&& gr) + { + // Extract the version. The signature line has the following format + // though language words can be translated and even rearranged (see + // examples above). + // + // "Microsoft (R) C/C++ Optimizing Compiler Version A.B.C[.D] for CPU" + // + // The CPU keywords (based on the above samples) appear to be: + // + // "80x86" + // "x86" + // "x64" + // "ARM" + // + compiler_version v; + { + auto df = make_diag_frame ( + [&xm](const diag_record& dr) + { + dr << info << "use config." << xm << ".version to override"; + }); + + // Treat the custom version as just a tail of the signature. + // + const string& s (xv == nullptr ? gr.signature : *xv); + + // Some overrides for testing. + // + //string s; + //s = "Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 15.00.30729.01 for 80x86"; + //s = "Compilador de optimizacion de C/C++ de Microsoft (R) version 16.00.30319.01 para x64"; + //s = "Compilateur d'optimisation Microsoft (R) C/C++ version 19.16.27026.1 pour x64"; + + // Scan the string as words and look for the version. + // + size_t b (0), e (0); + while (next_word (s, b, e, ' ', ',')) + { + // The third argument to find_first_not_of() is the length of the + // first argument, not the length of the interval to check. So to + // limit it to [b, e) we are also going to compare the result to the + // end of the word position (first space). In fact, we can just + // check if it is >= e. + // + if (s.find_first_not_of ("1234567890.", b, 11) >= e) + break; + } + + if (b == e) + fail << "unable to extract MSVC version from '" << s << "'"; + + v = msvc_compiler_version (string (s, b, e - b)); + } + + + // Figure out the target architecture. + // + string t, ot; + + if (xt == nullptr) + { + auto df = make_diag_frame ( + [&xm](const diag_record& dr) + { + dr << info << "use config." << xm << ".target to override"; + }); + + const string& s (gr.signature); + + // Scan the string as words and look for the CPU. + // + string arch; + + for (size_t b (0), e (0), n; + (n = next_word (s, b, e, ' ', ',')) != 0; ) + { + if (s.compare (b, n, "x64", 3) == 0 || + s.compare (b, n, "x86", 3) == 0 || + s.compare (b, n, "ARM", 3) == 0 || + s.compare (b, n, "80x86", 5) == 0) + { + arch.assign (s, b, n); + break; + } + } + + if (arch.empty ()) + fail << "unable to extract MSVC target architecture from " + << "'" << s << "'"; + + // Now we need to map x86, x64, and ARM to the target triplets. The + // problem is, there aren't any established ones so we got to invent + // them ourselves. Based on the discussion in + // <libbutl/target-triplet.mxx>, we need something in the + // CPU-VENDOR-OS-ABI form. + // + // The CPU part is fairly straightforward with x86 mapped to 'i386' + // (or maybe 'i686'), x64 to 'x86_64', and ARM to 'arm' (it could also + // include the version, e.g., 'amrv8'). + // + // The (toolchain) VENDOR is also straightforward: 'microsoft'. Why + // not omit it? Two reasons: firstly, there are other compilers with + // the otherwise same target, for example Intel C/C++, and it could be + // useful to distinguish between them. Secondly, by having all four + // components we remove any parsing ambiguity. + // + // OS-ABI is where things are not as clear cut. The OS part shouldn't + // probably be just 'windows' since we have Win32 and WinCE. And + // WinRT. And Universal Windows Platform (UWP). So perhaps the + // following values for OS: 'win32', 'wince', 'winrt', 'winup'. + // + // For 'win32' the ABI part could signal the Microsoft C/C++ runtime + // by calling it 'msvc'. And seeing that the runtimes are incompatible + // from version to version, we should probably add the 'X.Y' version + // at the end (so we essentially mimic the DLL name, for example, + // msvcr120.dll). Some suggested we also encode the runtime type + // (those pesky /M* options) though I am not sure: the only + // "redistributable" runtime is multi-threaded release DLL. + // + // The ABI part for the other OS values needs thinking. For 'winrt' + // and 'winup' it probably makes sense to encode the WINAPI_FAMILY + // macro value (perhaps also with the version). Some of its values: + // + // WINAPI_FAMILY_APP Windows 10 + // WINAPI_FAMILY_PC_APP Windows 8.1 + // WINAPI_FAMILY_PHONE_APP Windows Phone 8.1 + // + // For 'wince' we may also want to add the OS version, for example, + // 'wince4.2'. + // + // Putting it all together, Visual Studio 2015 will then have the + // following target triplets: + // + // x86 i386-microsoft-win32-msvc14.0 + // x64 x86_64-microsoft-win32-msvc14.0 + // ARM arm-microsoft-winup-??? + // + if (arch == "ARM") + fail << "cl.exe ARM/WinRT/UWP target is not yet supported"; + else + { + if (arch == "x64") + t = "x86_64-microsoft-win32-msvc"; + else if (arch == "x86" || arch == "80x86") + t = "i386-microsoft-win32-msvc"; + else + assert (false); + + t += msvc_runtime_version (v); + } + + ot = t; + } + else + ot = t = *xt; + + // Derive the toolchain pattern. + // + // If the compiler name is/starts with 'cl' (e.g., cl.exe, cl-14), + // then replace it with '*' and use it as a pattern for lib, link, + // etc. + // + string cpat (pattern (xc, "cl", nullptr, ".-")); + string bpat (cpat); // Binutils pattern is the same as toolchain. + + // Runtime and standard library. + // + string rt ("msvc"); + string csl ("msvc"); + string xsl; + switch (xl) + { + case lang::c: xsl = csl; break; + case lang::cxx: xsl = "msvcp"; break; + } + + return compiler_info { + move (gr.path), + move (gr.id), + compiler_class::msvc, + move (v), + move (gr.signature), + "", + move (t), + move (ot), + move (cpat), + move (bpat), + move (rt), + move (csl), + move (xsl)}; + } static compiler_info guess_gcc (const char* xm, @@ -722,7 +1005,7 @@ namespace build2 } if (b == e) - fail << "unable to extract gcc version from '" << s << "'"; + fail << "unable to extract GCC version from '" << s << "'"; v.string.assign (s, b, string::npos); @@ -739,7 +1022,7 @@ namespace build2 catch (const invalid_argument&) {} catch (const out_of_range&) {} - fail << "unable to extract gcc " << m << " version from '" + fail << "unable to extract GCC " << m << " version from '" << string (s, b, e - b) << "'" << endf; }; @@ -863,6 +1146,199 @@ namespace build2 move (xsl)}; } + struct clang_msvc_info + { + string triple; + string msvc_ver; + dir_path msvc_dir; + string psdk_ver; + dir_path psdk_dir; + }; + + static clang_msvc_info + guess_clang_msvc (lang xl, + const process_path& xp, + const strings* c_co, const strings* x_co) + { + tracer trace ("cc::guess_clang_msvc"); + + cstrings args {xp.recall_string ()}; + if (c_co != nullptr) append_options (args, *c_co); + if (x_co != nullptr) append_options (args, *x_co); + args.push_back ("-x"); + switch (xl) + { + case lang::c: args.push_back ("c"); break; + case lang::cxx: args.push_back ("c++"); break; + } + args.push_back ("-E"); + args.push_back ("-"); // Read stdin. + args.push_back (nullptr); + + // The diagnostics we are interested in goes to stderr but we also get a + // few lines of the preprocessed boilerplate at the end. + // + process pr (run_start (3 /* verbosity */, + xp, + args.data (), + -2 /* stdin (/dev/null) */, + -1 /* stdout */, + false /* error (2>&1) */)); + + clang_msvc_info r; + + string l; + try + { + // The overall structure of the output is as follows (with some + // fragments that we are not interested in replaced with `...`): + // + // clang version 9.0.0 (tags/RELEASE_900/final) + // ... + // ... + // InstalledDir: C:\Program Files\LLVM\bin + // "C:\\Program Files\\LLVM\\bin\\clang++.exe" -cc1 -triple x86_64-pc-windows-msvc19.23.28105 ..." + // clang -cc1 version 9.0.0 based upon LLVM 9.0.0 default target x86_64-pc-windows-msvc + // #include "..." search starts here: + // #include <...> search starts here: + // C:\Program Files\LLVM\lib\clang\9.0.0\include + // C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.23.28105\include + // C:\Program Files (x86)\Windows Kits\10\Include\10.0.18362.0\ucrt + // ... + // End of search list. + // ... + // ... + // + // Notice also that the version in the target triple and in the + // ...VC\Tools\MSVC\ subdirectory are not exactly the same (and "how + // the same" the are guaranteed to be is anyone's guess). + // + ifdstream is (move (pr.in_ofd), fdstream_mode::skip, ifdstream::badbit); + + for (bool in_include (false); !eof (getline (is, l)); ) + { + l6 ([&]{trace << "examining line '" << l << "'";}); + + if (r.triple.empty ()) + { + size_t b, e; + if ((b = l.find ("-triple ")) != string::npos && + (e = l.find (' ', b += 8)) != string::npos) + { + r.triple.assign (l, b, e - b); + + if ((b = r.triple.find ("-msvc")) == string::npos) + fail << "no MSVC version in Clang target " << r.triple; + + r.msvc_ver.assign (r.triple, b += 5, string::npos); + + l5 ([&]{trace << "MSVC target " << r.triple + << ", version " << r.msvc_ver;}); + } + + continue; + } + + // Note: similar logic to gcc_header_search_paths(). + // + if (!in_include) + in_include = l.find ("#include <...>") != string::npos; + else + { + if (l[0] != ' ') // End of header search paths. + break; + + try + { + dir_path d (move (trim (l))); + + l6 ([&]{trace << "examining directory " << d;}); + + auto b (d.begin ()), e (d.end ()); + + if (r.msvc_dir.empty ()) + { + // Look for the "Tools\MSVC\<ver>\include" component sequence. + // + auto i (find_if (b, e, + [] (const string& n) + { + return icasecmp (n, "Tools") == 0; + })); + + if (i != e && + (++i != e && icasecmp (*i, "MSVC") == 0) && + (++i != e ) && + (++i != e && icasecmp (*i, "include") == 0)) + { + r.msvc_dir = dir_path (b, i); + + l5 ([&]{trace << "MSVC directory " << r.msvc_dir;}); + } + } + + if (r.psdk_dir.empty ()) + { + // Look for the "Windows Kits\<ver>\Include" component + // sequence. + // + // Note that the path structure differs between 10 and pre-10 + // versions: + // + // ...\Windows Kits\10\Include\10.0.18362.0\... + // ...\Windows Kits\8.1\Include\... + // + auto i (find_if (b, e, + [] (const string& n) + { + return icasecmp (n, "Windows Kits") == 0; + })), j (i); + + if (i != e && + (++i != e ) && + (++i != e && icasecmp (*i, "Include") == 0)) + { + r.psdk_dir = dir_path (b, i); + + if (*++j == "10" && ++i != e) + r.psdk_ver = *i; + + l5 ([&]{trace << "Platform SDK directory " << r.psdk_dir + << ", version '" << r.psdk_ver << "'";}); + } + } + } + catch (const invalid_path&) + { + // Skip this path. + } + + if (!r.msvc_dir.empty () && !r.psdk_dir.empty ()) + break; + } + } + + is.close (); + } + catch (const io_error&) + { + // Presumably the child process failed. Let run_finish() deal with + // that. + } + + if (!run_finish (args.data (), pr, false /* error */, l)) + fail << "unable to extract MSVC information from " << xp; + + if (const char* w = (r.triple.empty () ? "MSVC target" : + r.msvc_ver.empty () ? "MSVC version" : + r.msvc_dir.empty () ? "MSVC directory" : + r.psdk_dir.empty () ? "Platform SDK directory": + nullptr)) + fail << "unable to extract " << w << " from " << xp; + + return r; + } + static compiler_info guess_clang (const char* xm, lang xl, @@ -922,7 +1398,7 @@ namespace build2 } if (b == e) - fail << "unable to extract clang version from '" << s << "'"; + fail << "unable to extract Clang version from '" << s << "'"; v.string.assign (s, b, string::npos); @@ -942,7 +1418,7 @@ namespace build2 catch (const invalid_argument&) {} catch (const out_of_range&) {} - fail << "unable to extract clang " << m << " version from '" + fail << "unable to extract Clang " << m << " version from '" << string (s, b, e - b) << "'" << endf; }; @@ -995,16 +1471,22 @@ namespace build2 // if (tt.system == "windows-msvc") { - // Keep the CPU and replace the rest. - // - // @@ Note that currently there is no straightforward way to determine + // Note that currently there is no straightforward way to determine // the VC version Clang is using. See: // // http://lists.llvm.org/pipermail/cfe-dev/2017-December/056240.html // + // So we have to sniff this information out (and a couple of other + // useful bits like the VC installation directory and Platform SDK). + // + clang_msvc_info mi (guess_clang_msvc (xl, xp, c_co, x_co)); + + // Keep the CPU and replace the rest. + // tt.vendor = "microsoft"; tt.system = "win32-msvc"; - tt.version = "14.1"; + tt.version = msvc_runtime_version ( + msvc_compiler_version (move (mi.msvc_ver))); t = tt.string (); } @@ -1207,7 +1689,7 @@ namespace build2 } if (b == e) - fail << "unable to extract icc version from '" << s << "'"; + fail << "unable to extract ICC version from '" << s << "'"; v.string.assign (s, b, string::npos); @@ -1227,7 +1709,7 @@ namespace build2 catch (const invalid_argument&) {} catch (const out_of_range&) {} - fail << "unable to extract icc " << m << " version from '" + fail << "unable to extract ICC " << m << " version from '" << string (s, b, e - b) << "'" << endf; }; @@ -1312,7 +1794,7 @@ namespace build2 } if (arch.empty ()) - fail << "unable to extract icc target architecture from '" + fail << "unable to extract ICC target architecture from '" << t << "'"; // So we have the CPU but we still need the rest of the triplet. While @@ -1336,7 +1818,7 @@ namespace build2 size_t p (t.find ('-')); if (p == string::npos) - fail << "unable to parse icc target architecture '" << t << "'"; + fail << "unable to parse ICC target architecture '" << t << "'"; t.swap (arch); t.append (arch, p, string::npos); @@ -1392,274 +1874,6 @@ namespace build2 move (xsl)}; } - static compiler_info - guess_msvc (const char* xm, - lang xl, - const path& xc, - const string* xv, - const string* xt, - const strings*, const strings*, - const strings*, const strings*, - const strings*, const strings*, - guess_result&& gr) - { - // Extract the version. The signature line has the following format - // though language words can be translated and even rearranged (see - // examples above). - // - // "Microsoft (R) C/C++ Optimizing Compiler Version A.B.C[.D] for CPU" - // - // The CPU keywords (based on the above samples) appear to be: - // - // "80x86" - // "x86" - // "x64" - // "ARM" - // - compiler_version v; - { - auto df = make_diag_frame ( - [&xm](const diag_record& dr) - { - dr << info << "use config." << xm << ".version to override"; - }); - - // Treat the custom version as just a tail of the signature. - // - const string& s (xv == nullptr ? gr.signature : *xv); - - // Some overrides for testing. - // - //string s; - //s = "Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 15.00.30729.01 for 80x86"; - //s = "Compilador de optimizacion de C/C++ de Microsoft (R) version 16.00.30319.01 para x64"; - //s = "Compilateur d'optimisation Microsoft (R) C/C++ version 19.16.27026.1 pour x64"; - - // Scan the string as words and look for the version. - // - size_t b (0), e (0); - while (next_word (s, b, e, ' ', ',')) - { - // The third argument to find_first_not_of() is the length of the - // first argument, not the length of the interval to check. So to - // limit it to [b, e) we are also going to compare the result to the - // end of the word position (first space). In fact, we can just - // check if it is >= e. - // - if (s.find_first_not_of ("1234567890.", b, 11) >= e) - break; - } - - if (b == e) - fail << "unable to extract msvc version from '" << s << "'"; - - v.string.assign (s, b, e - b); - - // Split the version into components. - // - size_t vb (b), ve (b); - auto next = [&s, b, e, &vb, &ve] (const char* m) -> uint64_t - { - try - { - if (next_word (s, e, vb, ve, '.')) - return stoull (string (s, vb, ve - vb)); - } - catch (const invalid_argument&) {} - catch (const out_of_range&) {} - - fail << "unable to extract msvc " << m << " version from '" - << string (s, b, e - b) << "'" << endf; - }; - - v.major = next ("major"); - v.minor = next ("minor"); - v.patch = next ("patch"); - - if (next_word (s, e, vb, ve, '.')) - v.build.assign (s, vb, ve - vb); - } - - - // Figure out the target architecture. - // - string t, ot; - - if (xt == nullptr) - { - auto df = make_diag_frame ( - [&xm](const diag_record& dr) - { - dr << info << "use config." << xm << ".target to override"; - }); - - const string& s (gr.signature); - - // Scan the string as words and look for the CPU. - // - string arch; - - for (size_t b (0), e (0), n; - (n = next_word (s, b, e, ' ', ',')) != 0; ) - { - if (s.compare (b, n, "x64", 3) == 0 || - s.compare (b, n, "x86", 3) == 0 || - s.compare (b, n, "ARM", 3) == 0 || - s.compare (b, n, "80x86", 5) == 0) - { - arch.assign (s, b, n); - break; - } - } - - if (arch.empty ()) - fail << "unable to extract msvc target architecture from " - << "'" << s << "'"; - - // Now we need to map x86, x64, and ARM to the target triplets. The - // problem is, there aren't any established ones so we got to invent - // them ourselves. Based on the discussion in - // <libbutl/target-triplet.mxx>, we need something in the - // CPU-VENDOR-OS-ABI form. - // - // The CPU part is fairly straightforward with x86 mapped to 'i386' - // (or maybe 'i686'), x64 to 'x86_64', and ARM to 'arm' (it could also - // include the version, e.g., 'amrv8'). - // - // The (toolchain) VENDOR is also straightforward: 'microsoft'. Why - // not omit it? Two reasons: firstly, there are other compilers with - // the otherwise same target, for example Intel C/C++, and it could be - // useful to distinguish between them. Secondly, by having all four - // components we remove any parsing ambiguity. - // - // OS-ABI is where things are not as clear cut. The OS part shouldn't - // probably be just 'windows' since we have Win32 and WinCE. And - // WinRT. And Universal Windows Platform (UWP). So perhaps the - // following values for OS: 'win32', 'wince', 'winrt', 'winup'. - // - // For 'win32' the ABI part could signal the Microsoft C/C++ runtime - // by calling it 'msvc'. And seeing that the runtimes are incompatible - // from version to version, we should probably add the 'X.Y' version - // at the end (so we essentially mimic the DLL name, for example, - // msvcr120.dll). Some suggested we also encode the runtime type - // (those pesky /M* options) though I am not sure: the only - // "redistributable" runtime is multi-threaded release DLL. - // - // The ABI part for the other OS values needs thinking. For 'winrt' - // and 'winup' it probably makes sense to encode the WINAPI_FAMILY - // macro value (perhaps also with the version). Some of its values: - // - // WINAPI_FAMILY_APP Windows 10 - // WINAPI_FAMILY_PC_APP Windows 8.1 - // WINAPI_FAMILY_PHONE_APP Windows Phone 8.1 - // - // For 'wince' we may also want to add the OS version, for example, - // 'wince4.2'. - // - // Putting it all together, Visual Studio 2015 will then have the - // following target triplets: - // - // x86 i386-microsoft-win32-msvc14.0 - // x64 x86_64-microsoft-win32-msvc14.0 - // ARM arm-microsoft-winup-??? - // - if (arch == "ARM") - fail << "cl.exe ARM/WinRT/UWP target is not yet supported"; - else - { - if (arch == "x64") - t = "x86_64-microsoft-win32-msvc"; - else if (arch == "x86" || arch == "80x86") - t = "i386-microsoft-win32-msvc"; - else - assert (false); - - // Mapping of compiler versions to runtime versions: - // - // Note that VC 15 has runtime version 14.1 but the DLLs are still - // called *140.dll (they are said to be backwards-compatible). - // - // And VC 16 seems to have the runtime version 14.1 (and not 14.2, - // as one might expect; DLLs are still *140.dll but there are now _1 - // and _2 variants for, say, msvcp140.dll). We will, however, call - // it 14.2 (which is the version of the "toolset") in our target - // triplet. - // - // year ver cl crt/dll toolset - // - // 2019 16.1 19.21 14.2/140 14.21 - // 2019 16.0 19.20 14.2/140 - // 2017 15.9 19.16 14.1/140 - // 2017 15.8 19.15 14.1/140 - // 2017 15.7 19.14 14.1/140 - // 2017 15.6 19.13 14.1/140 - // 2017 15.5 19.12 14.1/140 - // 2017 15.3 19.11 14.1/140 - // 2017 15 19.10 14.1/140 - // 2015 14 19.00 14.0/140 - // 2013 12 18.00 12.0/120 - // 2012 11 17.00 11.0/110 - // 2010 10 16.00 10.0/100 - // 2008 9 15.00 9.0/90 - // 2005 8 14.00 8.0/80 - // 2003 7.1 13.10 7.1/71 - // - // _MSC_VER is the numeric cl version, e.g., 1921 for 19.21. - // - /**/ if (v.major == 19 && v.minor >= 20) t += "14.2"; - else if (v.major == 19 && v.minor >= 10) t += "14.1"; - else if (v.major == 19 && v.minor == 0) t += "14.0"; - else if (v.major == 18 && v.minor == 0) t += "12.0"; - else if (v.major == 17 && v.minor == 0) t += "11.0"; - else if (v.major == 16 && v.minor == 0) t += "10.0"; - else if (v.major == 15 && v.minor == 0) t += "9.0"; - else if (v.major == 14 && v.minor == 0) t += "8.0"; - else if (v.major == 13 && v.minor == 10) t += "7.1"; - else fail << "unable to map msvc compiler version '" << v.string - << "' to runtime version"; - } - - ot = t; - } - else - ot = t = *xt; - - // Derive the toolchain pattern. - // - // If the compiler name is/starts with 'cl' (e.g., cl.exe, cl-14), - // then replace it with '*' and use it as a pattern for lib, link, - // etc. - // - string cpat (pattern (xc, "cl", nullptr, ".-")); - string bpat (cpat); // Binutils pattern is the same as toolchain. - - // Runtime and standard library. - // - string rt ("msvc"); - string csl ("msvc"); - string xsl; - switch (xl) - { - case lang::c: xsl = csl; break; - case lang::cxx: xsl = "msvcp"; break; - } - - return compiler_info { - move (gr.path), - move (gr.id), - compiler_class::msvc, - move (v), - move (gr.signature), - "", - move (t), - move (ot), - move (cpat), - move (bpat), - move (rt), - move (csl), - move (xsl)}; - } - // Compiler checks can be expensive (we often need to run the compiler // several times) so we cache the result. // |