diff options
-rw-r--r-- | Source/cmCoreTryCompile.cxx | 482 | ||||
-rw-r--r-- | Source/cmCoreTryCompile.h | 4 |
2 files changed, 194 insertions, 292 deletions
diff --git a/Source/cmCoreTryCompile.cxx b/Source/cmCoreTryCompile.cxx index a7acadc..0aa5da0 100644 --- a/Source/cmCoreTryCompile.cxx +++ b/Source/cmCoreTryCompile.cxx @@ -25,6 +25,148 @@ #include "cmVersion.h" #include "cmake.h" +namespace { +class LanguageStandardState +{ +public: + LanguageStandardState(std::string&& lang) + : IsEnabled(false) + , DidStandard(false) + , DidStandardRequired(false) + , DidExtensions(false) + , StandardFlag(lang + "_STANDARD") + , RequiredFlag(lang + "_STANDARD_REQUIRED") + , ExtensionFlag(lang + "_EXTENSIONS") + { + } + + void Enabled(bool isEnabled) { this->IsEnabled = isEnabled; } + + bool UpdateIfMatches(std::vector<std::string> const& argv, size_t& index) + { + bool updated = false; + if (argv[index] == this->StandardFlag) { + this->DidStandard = true; + this->StandardValue = argv[++index]; + updated = true; + } else if (argv[index] == this->RequiredFlag) { + this->DidStandardRequired = true; + this->RequiredValue = argv[++index]; + updated = true; + } else if (argv[index] == this->ExtensionFlag) { + this->DidExtensions = true; + this->ExtensionValue = argv[++index]; + updated = true; + } + return updated; + } + + bool Validate(cmMakefile* const makefile) const + { + if (this->DidStandard) { + makefile->IssueMessage( + MessageType::FATAL_ERROR, + cmStrCat(this->StandardFlag, + " allowed only in source file signature.")); + return false; + } + if (this->DidStandardRequired) { + makefile->IssueMessage( + MessageType::FATAL_ERROR, + cmStrCat(this->RequiredFlag, + " allowed only in source file signature.")); + return false; + } + if (this->DidExtensions) { + makefile->IssueMessage( + MessageType::FATAL_ERROR, + cmStrCat(this->ExtensionFlag, + " allowed only in source file signature.")); + return false; + } + + return true; + } + + bool DidNone() const + { + return !this->DidStandard && !this->DidStandardRequired && + !this->DidExtensions; + } + + void LoadUnsetPropertyValues(cmMakefile* const makefile, bool honorStandard, + bool warnCMP0067, + std::vector<std::string>& warnCMP0067Variables) + { + if (!this->IsEnabled) { + return; + } + + auto lookupStdVar = [&](std::string const& var) -> std::string { + std::string value = makefile->GetSafeDefinition(var); + if (warnCMP0067 && !value.empty()) { + value.clear(); + warnCMP0067Variables.push_back(var); + } + return value; + }; + + if (honorStandard || warnCMP0067) { + if (!this->DidStandard) { + this->StandardValue = + lookupStdVar(cmStrCat("CMAKE_", this->StandardFlag)); + } + if (!this->DidStandardRequired) { + this->RequiredValue = + lookupStdVar(cmStrCat("CMAKE_", this->RequiredFlag)); + } + if (!this->DidExtensions) { + this->ExtensionValue = + lookupStdVar(cmStrCat("CMAKE_", this->ExtensionFlag)); + } + } + } + + void WriteProperties(FILE* fout, std::string const& targetName) const + { + if (!this->IsEnabled) { + return; + } + + auto writeProp = [&](std::string const& prop, std::string const& value) { + fprintf(fout, "set_property(TARGET %s PROPERTY %s %s)\n", + targetName.c_str(), + cmOutputConverter::EscapeForCMake(prop).c_str(), + cmOutputConverter::EscapeForCMake(value).c_str()); + }; + + if (!this->StandardValue.empty()) { + writeProp(this->StandardFlag, this->StandardValue); + } + if (!this->RequiredValue.empty()) { + writeProp(this->RequiredFlag, this->RequiredValue); + } + if (!this->ExtensionValue.empty()) { + writeProp(this->ExtensionFlag, this->ExtensionValue); + } + } + +private: + bool IsEnabled; + bool DidStandard; + bool DidStandardRequired; + bool DidExtensions; + + std::string StandardFlag; + std::string RequiredFlag; + std::string ExtensionFlag; + + std::string StandardValue; + std::string RequiredValue; + std::string ExtensionValue; +}; +} + static std::string const kCMAKE_C_COMPILER_EXTERNAL_TOOLCHAIN = "CMAKE_C_COMPILER_EXTERNAL_TOOLCHAIN"; static std::string const kCMAKE_C_COMPILER_TARGET = "CMAKE_C_COMPILER_TARGET"; @@ -79,25 +221,6 @@ static std::set<std::string> ghs_platform_vars{ "GHS_OS_DIR_OPTION" }; -static void writeProperty(FILE* fout, std::string const& targetName, - std::string const& prop, std::string const& value) -{ - fprintf(fout, "set_property(TARGET %s PROPERTY %s %s)\n", targetName.c_str(), - cmOutputConverter::EscapeForCMake(prop).c_str(), - cmOutputConverter::EscapeForCMake(value).c_str()); -} - -std::string cmCoreTryCompile::LookupStdVar(std::string const& var, - bool warnCMP0067) -{ - std::string value = this->Makefile->GetSafeDefinition(var); - if (warnCMP0067 && !value.empty()) { - value.clear(); - this->WarnCMP0067.push_back(var); - } - return value; -} - int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv, bool isTryRun) { @@ -137,21 +260,11 @@ int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv, std::string outputVariable; std::string copyFile; std::string copyFileError; - std::string cStandard; - std::string objcStandard; - std::string cxxStandard; - std::string objcxxStandard; - std::string cudaStandard; - std::string cStandardRequired; - std::string cxxStandardRequired; - std::string objcStandardRequired; - std::string objcxxStandardRequired; - std::string cudaStandardRequired; - std::string cExtensions; - std::string cxxExtensions; - std::string objcExtensions; - std::string objcxxExtensions; - std::string cudaExtensions; + LanguageStandardState cState("C"); + LanguageStandardState cudaState("CUDA"); + LanguageStandardState cxxState("CXX"); + LanguageStandardState objcState("OBJC"); + LanguageStandardState objcxxState("OBJCXX"); std::vector<std::string> targets; std::vector<std::string> linkOptions; std::string libsToLink = " "; @@ -160,21 +273,6 @@ int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv, bool didOutputVariable = false; bool didCopyFile = false; bool didCopyFileError = false; - bool didCStandard = false; - bool didCxxStandard = false; - bool didObjCStandard = false; - bool didObjCxxStandard = false; - bool didCudaStandard = false; - bool didCStandardRequired = false; - bool didCxxStandardRequired = false; - bool didObjCStandardRequired = false; - bool didObjCxxStandardRequired = false; - bool didCudaStandardRequired = false; - bool didCExtensions = false; - bool didCxxExtensions = false; - bool didObjCExtensions = false; - bool didObjCxxExtensions = false; - bool didCudaExtensions = false; bool useSources = argv[2] == "SOURCES"; std::vector<std::string> sources; @@ -188,21 +286,6 @@ int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv, DoingOutputVariable, DoingCopyFile, DoingCopyFileError, - DoingCStandard, - DoingCxxStandard, - DoingObjCStandard, - DoingObjCxxStandard, - DoingCudaStandard, - DoingCStandardRequired, - DoingCxxStandardRequired, - DoingObjCStandardRequired, - DoingObjCxxStandardRequired, - DoingCudaStandardRequired, - DoingCExtensions, - DoingCxxExtensions, - DoingObjCExtensions, - DoingObjCxxExtensions, - DoingCudaExtensions, DoingSources, DoingCMakeInternal }; @@ -226,51 +309,12 @@ int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv, } else if (argv[i] == "COPY_FILE_ERROR") { doing = DoingCopyFileError; didCopyFileError = true; - } else if (argv[i] == "C_STANDARD") { - doing = DoingCStandard; - didCStandard = true; - } else if (argv[i] == "CXX_STANDARD") { - doing = DoingCxxStandard; - didCxxStandard = true; - } else if (argv[i] == "OBJC_STANDARD") { - doing = DoingObjCStandard; - didObjCStandard = true; - } else if (argv[i] == "OBJCXX_STANDARD") { - doing = DoingObjCxxStandard; - didObjCxxStandard = true; - } else if (argv[i] == "CUDA_STANDARD") { - doing = DoingCudaStandard; - didCudaStandard = true; - } else if (argv[i] == "C_STANDARD_REQUIRED") { - doing = DoingCStandardRequired; - didCStandardRequired = true; - } else if (argv[i] == "CXX_STANDARD_REQUIRED") { - doing = DoingCxxStandardRequired; - didCxxStandardRequired = true; - } else if (argv[i] == "OBJC_STANDARD_REQUIRED") { - doing = DoingObjCStandardRequired; - didObjCStandardRequired = true; - } else if (argv[i] == "OBJCXX_STANDARD_REQUIRED") { - doing = DoingObjCxxStandardRequired; - didObjCxxStandardRequired = true; - } else if (argv[i] == "CUDA_STANDARD_REQUIRED") { - doing = DoingCudaStandardRequired; - didCudaStandardRequired = true; - } else if (argv[i] == "C_EXTENSIONS") { - doing = DoingCExtensions; - didCExtensions = true; - } else if (argv[i] == "CXX_EXTENSIONS") { - doing = DoingCxxExtensions; - didCxxExtensions = true; - } else if (argv[i] == "OBJC_EXTENSIONS") { - doing = DoingObjCExtensions; - didObjCExtensions = true; - } else if (argv[i] == "OBJCXX_EXTENSIONS") { - doing = DoingObjCxxExtensions; - didObjCxxExtensions = true; - } else if (argv[i] == "CUDA_EXTENSIONS") { - doing = DoingCudaExtensions; - didCudaExtensions = true; + } else if (cState.UpdateIfMatches(argv, i) || + cxxState.UpdateIfMatches(argv, i) || + cudaState.UpdateIfMatches(argv, i) || + objcState.UpdateIfMatches(argv, i) || + objcxxState.UpdateIfMatches(argv, i)) { + continue; } else if (argv[i] == "__CMAKE_INTERNAL") { doing = DoingCMakeInternal; } else if (doing == DoingCMakeFlags) { @@ -315,51 +359,6 @@ int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv, } else if (doing == DoingCopyFileError) { copyFileError = argv[i]; doing = DoingNone; - } else if (doing == DoingCStandard) { - cStandard = argv[i]; - doing = DoingNone; - } else if (doing == DoingCxxStandard) { - cxxStandard = argv[i]; - doing = DoingNone; - } else if (doing == DoingObjCStandard) { - objcStandard = argv[i]; - doing = DoingNone; - } else if (doing == DoingObjCxxStandard) { - objcxxStandard = argv[i]; - doing = DoingNone; - } else if (doing == DoingCudaStandard) { - cudaStandard = argv[i]; - doing = DoingNone; - } else if (doing == DoingCStandardRequired) { - cStandardRequired = argv[i]; - doing = DoingNone; - } else if (doing == DoingCxxStandardRequired) { - cxxStandardRequired = argv[i]; - doing = DoingNone; - } else if (doing == DoingObjCStandardRequired) { - objcStandardRequired = argv[i]; - doing = DoingNone; - } else if (doing == DoingObjCxxStandardRequired) { - objcxxStandardRequired = argv[i]; - doing = DoingNone; - } else if (doing == DoingCudaStandardRequired) { - cudaStandardRequired = argv[i]; - doing = DoingNone; - } else if (doing == DoingCExtensions) { - cExtensions = argv[i]; - doing = DoingNone; - } else if (doing == DoingCxxExtensions) { - cxxExtensions = argv[i]; - doing = DoingNone; - } else if (doing == DoingObjCExtensions) { - objcExtensions = argv[i]; - doing = DoingNone; - } else if (doing == DoingObjCxxExtensions) { - objcxxExtensions = argv[i]; - doing = DoingNone; - } else if (doing == DoingCudaExtensions) { - cudaExtensions = argv[i]; - doing = DoingNone; } else if (doing == DoingSources) { sources.push_back(argv[i]); } else if (doing == DoingCMakeInternal) { @@ -411,59 +410,22 @@ int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv, return -1; } - if (didCStandard && !this->SrcFileSignature) { - this->Makefile->IssueMessage( - MessageType::FATAL_ERROR, - "C_STANDARD allowed only in source file signature."); - return -1; - } - if (didCxxStandard && !this->SrcFileSignature) { - this->Makefile->IssueMessage( - MessageType::FATAL_ERROR, - "CXX_STANDARD allowed only in source file signature."); - return -1; - } - if (didCudaStandard && !this->SrcFileSignature) { - this->Makefile->IssueMessage( - MessageType::FATAL_ERROR, - "CUDA_STANDARD allowed only in source file signature."); - return -1; - } - if (didCStandardRequired && !this->SrcFileSignature) { - this->Makefile->IssueMessage( - MessageType::FATAL_ERROR, - "C_STANDARD_REQUIRED allowed only in source file signature."); - return -1; - } - if (didCxxStandardRequired && !this->SrcFileSignature) { - this->Makefile->IssueMessage( - MessageType::FATAL_ERROR, - "CXX_STANDARD_REQUIRED allowed only in source file signature."); - return -1; - } - if (didCudaStandardRequired && !this->SrcFileSignature) { - this->Makefile->IssueMessage( - MessageType::FATAL_ERROR, - "CUDA_STANDARD_REQUIRED allowed only in source file signature."); - return -1; - } - if (didCExtensions && !this->SrcFileSignature) { - this->Makefile->IssueMessage( - MessageType::FATAL_ERROR, - "C_EXTENSIONS allowed only in source file signature."); - return -1; - } - if (didCxxExtensions && !this->SrcFileSignature) { - this->Makefile->IssueMessage( - MessageType::FATAL_ERROR, - "CXX_EXTENSIONS allowed only in source file signature."); - return -1; - } - if (didCudaExtensions && !this->SrcFileSignature) { - this->Makefile->IssueMessage( - MessageType::FATAL_ERROR, - "CUDA_EXTENSIONS allowed only in source file signature."); - return -1; + if (!this->SrcFileSignature) { + if (!cState.Validate(this->Makefile)) { + return -1; + } + if (!cudaState.Validate(this->Makefile)) { + return -1; + } + if (!cxxState.Validate(this->Makefile)) { + return -1; + } + if (!objcState.Validate(this->Makefile)) { + return -1; + } + if (!objcxxState.Validate(this->Makefile)) { + return -1; + } } // compute the binary dir when TRY_COMPILE is called with a src file @@ -819,21 +781,17 @@ int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv, } fprintf(fout, ")\n"); - bool const testC = testLangs.find("C") != testLangs.end(); - bool const testObjC = testLangs.find("OBJC") != testLangs.end(); - bool const testCxx = testLangs.find("CXX") != testLangs.end(); - bool const testObjCxx = testLangs.find("OBJCXX") != testLangs.end(); - bool const testCuda = testLangs.find("CUDA") != testLangs.end(); + cState.Enabled(testLangs.find("C") != testLangs.end()); + cxxState.Enabled(testLangs.find("CXX") != testLangs.end()); + cudaState.Enabled(testLangs.find("CUDA") != testLangs.end()); + objcState.Enabled(testLangs.find("OBJC") != testLangs.end()); + objcxxState.Enabled(testLangs.find("OBJCXX") != testLangs.end()); bool warnCMP0067 = false; bool honorStandard = true; - if (!didCStandard && !didCxxStandard && !didObjCStandard && - !didObjCxxStandard && !didCudaStandard && !didCStandardRequired && - !didCxxStandardRequired && !didObjCStandardRequired && - !didObjCxxStandardRequired && !didCudaStandardRequired && - !didCExtensions && !didCxxExtensions && !didObjCExtensions && - !didObjCxxExtensions && !didCudaExtensions) { + if (cState.DidNone() && cxxState.DidNone() && objcState.DidNone() && + objcxxState.DidNone() && cudaState.DidNone()) { switch (this->Makefile->GetPolicyStatus(cmPolicies::CMP0067)) { case cmPolicies::WARN: warnCMP0067 = this->Makefile->PolicyOptionalWarningEnabled( @@ -855,46 +813,20 @@ int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv, } } - if (honorStandard || warnCMP0067) { + std::vector<std::string> warnCMP0067Variables; - auto testLanguage = - [&](bool testLang, bool didLangStandard, bool didLangStandardRequired, - bool didLangExtensions, std::string& langStandard, - std::string& langStandardRequired, std::string& langExtensions, - const std::string& lang) { - if (testLang) { - if (!didLangStandard) { - langStandard = this->LookupStdVar( - cmStrCat("CMAKE_", lang, "_STANDARD"), warnCMP0067); - } - if (!didLangStandardRequired) { - langStandardRequired = this->LookupStdVar( - cmStrCat("CMAKE_", lang, "_STANDARD_REQUIRED"), warnCMP0067); - } - if (!didLangExtensions) { - langExtensions = this->LookupStdVar( - cmStrCat("CMAKE_", lang, "_EXTENSIONS"), warnCMP0067); - } - } - }; - - testLanguage(testC, didCStandard, didCStandardRequired, didCExtensions, - cStandard, cStandardRequired, cExtensions, "C"); - testLanguage(testObjC, didObjCStandard, didObjCStandardRequired, - didObjCExtensions, objcStandard, objcStandardRequired, - objcExtensions, "OBJC"); - testLanguage(testCxx, didCxxStandard, didCxxStandardRequired, - didCxxExtensions, cxxStandard, cxxStandardRequired, - cxxExtensions, "CXX"); - testLanguage(testObjCxx, didObjCxxStandard, didObjCxxStandardRequired, - didObjCxxExtensions, objcxxStandard, objcxxStandardRequired, - objcxxExtensions, "OBJCXX"); - testLanguage(testCuda, didCudaStandard, didCudaStandardRequired, - didCudaExtensions, cudaStandard, cudaStandardRequired, - cudaExtensions, "CUDA"); - } + cState.LoadUnsetPropertyValues(this->Makefile, honorStandard, warnCMP0067, + warnCMP0067Variables); + cxxState.LoadUnsetPropertyValues(this->Makefile, honorStandard, + warnCMP0067, warnCMP0067Variables); + cudaState.LoadUnsetPropertyValues(this->Makefile, honorStandard, + warnCMP0067, warnCMP0067Variables); + objcState.LoadUnsetPropertyValues(this->Makefile, honorStandard, + warnCMP0067, warnCMP0067Variables); + objcxxState.LoadUnsetPropertyValues(this->Makefile, honorStandard, + warnCMP0067, warnCMP0067Variables); - if (!this->WarnCMP0067.empty()) { + if (!warnCMP0067Variables.empty()) { std::ostringstream w; /* clang-format off */ w << cmPolicies::GetPolicyWarning(cmPolicies::CMP0067) << "\n" @@ -902,43 +834,17 @@ int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv, "is not honoring language standard variables in the test project:\n" ; /* clang-format on */ - for (std::string const& vi : this->WarnCMP0067) { + for (std::string const& vi : warnCMP0067Variables) { w << " " << vi << "\n"; } this->Makefile->IssueMessage(MessageType::AUTHOR_WARNING, w.str()); } - auto writeLanguageProperties = [&](bool testLang, - const std::string& langStandard, - const std::string& langStandardRequired, - const std::string& langExtensions, - const std::string& lang) { - if (testLang) { - if (!langStandard.empty()) { - writeProperty(fout, targetName, cmStrCat(lang, "_STANDARD"), - langStandard); - } - if (!langStandardRequired.empty()) { - writeProperty(fout, targetName, cmStrCat(lang, "_STANDARD_REQUIRED"), - langStandardRequired); - } - if (!langExtensions.empty()) { - writeProperty(fout, targetName, cmStrCat(lang, "_EXTENSIONS"), - langExtensions); - } - } - }; - - writeLanguageProperties(testC, cStandard, cStandardRequired, cExtensions, - "C"); - writeLanguageProperties(testObjC, objcStandard, objcStandardRequired, - objcExtensions, "OBJC"); - writeLanguageProperties(testCxx, cxxStandard, cxxStandardRequired, - cxxExtensions, "CXX"); - writeLanguageProperties(testObjCxx, objcxxStandard, objcxxStandardRequired, - objcxxExtensions, "OBJCXX"); - writeLanguageProperties(testCuda, cudaStandard, cudaStandardRequired, - cudaExtensions, "CUDA"); + cState.WriteProperties(fout, targetName); + cxxState.WriteProperties(fout, targetName); + cudaState.WriteProperties(fout, targetName); + objcState.WriteProperties(fout, targetName); + objcxxState.WriteProperties(fout, targetName); if (!linkOptions.empty()) { std::vector<std::string> options; diff --git a/Source/cmCoreTryCompile.h b/Source/cmCoreTryCompile.h index ae714a6..916572a 100644 --- a/Source/cmCoreTryCompile.h +++ b/Source/cmCoreTryCompile.h @@ -47,10 +47,6 @@ protected: std::string OutputFile; std::string FindErrorMessage; bool SrcFileSignature = false; - -private: - std::vector<std::string> WarnCMP0067; - std::string LookupStdVar(std::string const& var, bool warnCMP0067); }; #endif |