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CMake/Source/cmLocalGenerator.cxx
Brad King ae1a6815b6 Features: Add infrastructure for C++ 17 language standard 
Issue: #16468
2016-12-02 11:22:46 -05:00

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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmLocalGenerator.h"
#include "cmAlgorithms.h"
#include "cmComputeLinkInformation.h"
#include "cmCustomCommandGenerator.h"
#include "cmGeneratedFileStream.h"
#include "cmGeneratorExpressionEvaluationFile.h"
#include "cmGeneratorTarget.h"
#include "cmGlobalGenerator.h"
#include "cmInstallGenerator.h"
#include "cmInstallScriptGenerator.h"
#include "cmInstallTargetGenerator.h"
#include "cmLinkLineComputer.h"
#include "cmMakefile.h"
#include "cmRulePlaceholderExpander.h"
#include "cmSourceFile.h"
#include "cmState.h"
#include "cmStateDirectory.h"
#include "cmStateTypes.h"
#include "cmSystemTools.h"
#include "cmTarget.h"
#include "cmTestGenerator.h"
#include "cmVersion.h"
#include "cmake.h"
#if defined(CMAKE_BUILD_WITH_CMAKE)
#define CM_LG_ENCODE_OBJECT_NAMES
#include "cmCryptoHash.h"
#endif
#include <algorithm>
#include <assert.h>
#include <cmsys/RegularExpression.hxx>
#include <iterator>
#include <sstream>
#include <stdio.h>
#include <string.h>
#include <utility>
#if defined(__HAIKU__)
#include <FindDirectory.h>
#include <StorageDefs.h>
#endif
// List of variables that are replaced when
// rules are expanced. These variables are
// replaced in the form <var> with GetSafeDefinition(var).
// ${LANG} is replaced in the variable first with all enabled
// languages.
static const char* ruleReplaceVars[] = {
"CMAKE_${LANG}_COMPILER",
"CMAKE_SHARED_LIBRARY_CREATE_${LANG}_FLAGS",
"CMAKE_SHARED_MODULE_CREATE_${LANG}_FLAGS",
"CMAKE_SHARED_MODULE_${LANG}_FLAGS",
"CMAKE_SHARED_LIBRARY_${LANG}_FLAGS",
"CMAKE_${LANG}_LINK_FLAGS",
"CMAKE_SHARED_LIBRARY_SONAME_${LANG}_FLAG",
"CMAKE_${LANG}_ARCHIVE",
"CMAKE_AR",
"CMAKE_CURRENT_SOURCE_DIR",
"CMAKE_CURRENT_BINARY_DIR",
"CMAKE_RANLIB",
"CMAKE_LINKER",
"CMAKE_CUDA_HOST_COMPILER",
"CMAKE_CUDA_HOST_LINK_LAUNCHER",
"CMAKE_CL_SHOWINCLUDES_PREFIX"
};
cmLocalGenerator::cmLocalGenerator(cmGlobalGenerator* gg, cmMakefile* makefile)
: cmOutputConverter(makefile->GetStateSnapshot())
, StateSnapshot(makefile->GetStateSnapshot())
, DirectoryBacktrace(makefile->GetBacktrace())
{
this->GlobalGenerator = gg;
this->Makefile = makefile;
this->AliasTargets = makefile->GetAliasTargets();
this->EmitUniversalBinaryFlags = true;
this->BackwardsCompatibility = 0;
this->BackwardsCompatibilityFinal = false;
this->ComputeObjectMaxPath();
std::vector<std::string> enabledLanguages =
this->GetState()->GetEnabledLanguages();
this->CompilerSysroot = this->Makefile->GetSafeDefinition("CMAKE_SYSROOT");
for (std::vector<std::string>::iterator i = enabledLanguages.begin();
i != enabledLanguages.end(); ++i) {
std::string const& lang = *i;
if (lang == "NONE") {
continue;
}
this->Compilers["CMAKE_" + lang + "_COMPILER"] = lang;
this->VariableMappings["CMAKE_" + lang + "_COMPILER"] =
this->Makefile->GetSafeDefinition("CMAKE_" + lang + "_COMPILER");
std::string const& compilerArg1 = "CMAKE_" + lang + "_COMPILER_ARG1";
std::string const& compilerTarget = "CMAKE_" + lang + "_COMPILER_TARGET";
std::string const& compilerOptionTarget =
"CMAKE_" + lang + "_COMPILE_OPTIONS_TARGET";
std::string const& compilerExternalToolchain =
"CMAKE_" + lang + "_COMPILER_EXTERNAL_TOOLCHAIN";
std::string const& compilerOptionExternalToolchain =
"CMAKE_" + lang + "_COMPILE_OPTIONS_EXTERNAL_TOOLCHAIN";
std::string const& compilerOptionSysroot =
"CMAKE_" + lang + "_COMPILE_OPTIONS_SYSROOT";
this->VariableMappings[compilerArg1] =
this->Makefile->GetSafeDefinition(compilerArg1);
this->VariableMappings[compilerTarget] =
this->Makefile->GetSafeDefinition(compilerTarget);
this->VariableMappings[compilerOptionTarget] =
this->Makefile->GetSafeDefinition(compilerOptionTarget);
this->VariableMappings[compilerExternalToolchain] =
this->Makefile->GetSafeDefinition(compilerExternalToolchain);
this->VariableMappings[compilerOptionExternalToolchain] =
this->Makefile->GetSafeDefinition(compilerOptionExternalToolchain);
this->VariableMappings[compilerOptionSysroot] =
this->Makefile->GetSafeDefinition(compilerOptionSysroot);
for (const char* const* replaceIter = cmArrayBegin(ruleReplaceVars);
replaceIter != cmArrayEnd(ruleReplaceVars); ++replaceIter) {
std::string actualReplace = *replaceIter;
if (actualReplace.find("${LANG}") != actualReplace.npos) {
cmSystemTools::ReplaceString(actualReplace, "${LANG}", lang);
}
this->VariableMappings[actualReplace] =
this->Makefile->GetSafeDefinition(actualReplace);
}
}
}
cmRulePlaceholderExpander* cmLocalGenerator::CreateRulePlaceholderExpander()
const
{
return new cmRulePlaceholderExpander(this->Compilers, this->VariableMappings,
this->CompilerSysroot);
}
cmLocalGenerator::~cmLocalGenerator()
{
cmDeleteAll(this->GeneratorTargets);
cmDeleteAll(this->OwnedImportedGeneratorTargets);
}
void cmLocalGenerator::IssueMessage(cmake::MessageType t,
std::string const& text) const
{
this->GetCMakeInstance()->IssueMessage(t, text, this->DirectoryBacktrace);
}
void cmLocalGenerator::ComputeObjectMaxPath()
{
// Choose a maximum object file name length.
#if defined(_WIN32) || defined(__CYGWIN__)
this->ObjectPathMax = 250;
#else
this->ObjectPathMax = 1000;
#endif
const char* plen = this->Makefile->GetDefinition("CMAKE_OBJECT_PATH_MAX");
if (plen && *plen) {
unsigned int pmax;
if (sscanf(plen, "%u", &pmax) == 1) {
if (pmax >= 128) {
this->ObjectPathMax = pmax;
} else {
std::ostringstream w;
w << "CMAKE_OBJECT_PATH_MAX is set to " << pmax
<< ", which is less than the minimum of 128. "
<< "The value will be ignored.";
this->IssueMessage(cmake::AUTHOR_WARNING, w.str());
}
} else {
std::ostringstream w;
w << "CMAKE_OBJECT_PATH_MAX is set to \"" << plen
<< "\", which fails to parse as a positive integer. "
<< "The value will be ignored.";
this->IssueMessage(cmake::AUTHOR_WARNING, w.str());
}
}
this->ObjectMaxPathViolations.clear();
}
void cmLocalGenerator::TraceDependencies()
{
std::vector<std::string> configs;
this->Makefile->GetConfigurations(configs);
if (configs.empty()) {
configs.push_back("");
}
for (std::vector<std::string>::const_iterator ci = configs.begin();
ci != configs.end(); ++ci) {
this->GlobalGenerator->CreateEvaluationSourceFiles(*ci);
}
// Generate the rule files for each target.
std::vector<cmGeneratorTarget*> targets = this->GetGeneratorTargets();
for (std::vector<cmGeneratorTarget*>::iterator t = targets.begin();
t != targets.end(); ++t) {
if ((*t)->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
continue;
}
(*t)->TraceDependencies();
}
}
void cmLocalGenerator::GenerateTestFiles()
{
std::string file = this->StateSnapshot.GetDirectory().GetCurrentBinary();
file += "/";
file += "CTestTestfile.cmake";
if (!this->Makefile->IsOn("CMAKE_TESTING_ENABLED")) {
if (cmSystemTools::FileExists(file)) {
cmSystemTools::RemoveFile(file);
}
return;
}
// Compute the set of configurations.
std::vector<std::string> configurationTypes;
const std::string& config =
this->Makefile->GetConfigurations(configurationTypes, false);
cmGeneratedFileStream fout(file.c_str());
fout.SetCopyIfDifferent(true);
fout << "# CMake generated Testfile for " << std::endl
<< "# Source directory: "
<< this->StateSnapshot.GetDirectory().GetCurrentSource() << std::endl
<< "# Build directory: "
<< this->StateSnapshot.GetDirectory().GetCurrentBinary() << std::endl
<< "# " << std::endl
<< "# This file includes the relevant testing commands "
<< "required for " << std::endl
<< "# testing this directory and lists subdirectories to "
<< "be tested as well." << std::endl;
const char* testIncludeFile =
this->Makefile->GetProperty("TEST_INCLUDE_FILE");
if (testIncludeFile) {
fout << "include(\"" << testIncludeFile << "\")" << std::endl;
}
// Ask each test generator to write its code.
std::vector<cmTestGenerator*> const& testers =
this->Makefile->GetTestGenerators();
for (std::vector<cmTestGenerator*>::const_iterator gi = testers.begin();
gi != testers.end(); ++gi) {
(*gi)->Compute(this);
(*gi)->Generate(fout, config, configurationTypes);
}
typedef std::vector<cmStateSnapshot> vec_t;
vec_t const& children = this->Makefile->GetStateSnapshot().GetChildren();
std::string parentBinDir = this->GetCurrentBinaryDirectory();
for (vec_t::const_iterator i = children.begin(); i != children.end(); ++i) {
// TODO: Use add_subdirectory instead?
std::string outP = i->GetDirectory().GetCurrentBinary();
outP = this->ConvertToRelativePath(parentBinDir, outP);
outP = cmOutputConverter::EscapeForCMake(outP);
fout << "subdirs(" << outP << ")" << std::endl;
}
}
void cmLocalGenerator::CreateEvaluationFileOutputs(std::string const& config)
{
std::vector<cmGeneratorExpressionEvaluationFile*> ef =
this->Makefile->GetEvaluationFiles();
for (std::vector<cmGeneratorExpressionEvaluationFile*>::const_iterator li =
ef.begin();
li != ef.end(); ++li) {
(*li)->CreateOutputFile(this, config);
}
}
void cmLocalGenerator::ProcessEvaluationFiles(
std::vector<std::string>& generatedFiles)
{
std::vector<cmGeneratorExpressionEvaluationFile*> ef =
this->Makefile->GetEvaluationFiles();
for (std::vector<cmGeneratorExpressionEvaluationFile*>::const_iterator li =
ef.begin();
li != ef.end(); ++li) {
(*li)->Generate(this);
if (cmSystemTools::GetFatalErrorOccured()) {
return;
}
std::vector<std::string> files = (*li)->GetFiles();
std::sort(files.begin(), files.end());
std::vector<std::string> intersection;
std::set_intersection(files.begin(), files.end(), generatedFiles.begin(),
generatedFiles.end(),
std::back_inserter(intersection));
if (!intersection.empty()) {
cmSystemTools::Error("Files to be generated by multiple different "
"commands: ",
cmWrap('"', intersection, '"', " ").c_str());
return;
}
generatedFiles.insert(generatedFiles.end(), files.begin(), files.end());
std::vector<std::string>::iterator newIt =
generatedFiles.end() - files.size();
std::inplace_merge(generatedFiles.begin(), newIt, generatedFiles.end());
}
}
void cmLocalGenerator::GenerateInstallRules()
{
// Compute the install prefix.
const char* prefix = this->Makefile->GetDefinition("CMAKE_INSTALL_PREFIX");
#if defined(_WIN32) && !defined(__CYGWIN__)
std::string prefix_win32;
if (!prefix) {
if (!cmSystemTools::GetEnv("SystemDrive", prefix_win32)) {
prefix_win32 = "C:";
}
const char* project_name = this->Makefile->GetDefinition("PROJECT_NAME");
if (project_name && project_name[0]) {
prefix_win32 += "/Program Files/";
prefix_win32 += project_name;
} else {
prefix_win32 += "/InstalledCMakeProject";
}
prefix = prefix_win32.c_str();
}
#elif defined(__HAIKU__)
char dir[B_PATH_NAME_LENGTH];
if (!prefix) {
if (find_directory(B_SYSTEM_DIRECTORY, -1, false, dir, sizeof(dir)) ==
B_OK) {
prefix = dir;
} else {
prefix = "/boot/system";
}
}
#else
if (!prefix) {
prefix = "/usr/local";
}
#endif
if (const char* stagingPrefix =
this->Makefile->GetDefinition("CMAKE_STAGING_PREFIX")) {
prefix = stagingPrefix;
}
// Compute the set of configurations.
std::vector<std::string> configurationTypes;
const std::string& config =
this->Makefile->GetConfigurations(configurationTypes, false);
// Choose a default install configuration.
std::string default_config = config;
const char* default_order[] = { "RELEASE", "MINSIZEREL", "RELWITHDEBINFO",
"DEBUG", CM_NULLPTR };
for (const char** c = default_order; *c && default_config.empty(); ++c) {
for (std::vector<std::string>::iterator i = configurationTypes.begin();
i != configurationTypes.end(); ++i) {
if (cmSystemTools::UpperCase(*i) == *c) {
default_config = *i;
}
}
}
if (default_config.empty() && !configurationTypes.empty()) {
default_config = configurationTypes[0];
}
// Create the install script file.
std::string file = this->StateSnapshot.GetDirectory().GetCurrentBinary();
std::string homedir = this->GetState()->GetBinaryDirectory();
int toplevel_install = 0;
if (file == homedir) {
toplevel_install = 1;
}
file += "/cmake_install.cmake";
cmGeneratedFileStream fout(file.c_str());
fout.SetCopyIfDifferent(true);
// Write the header.
fout << "# Install script for directory: "
<< this->StateSnapshot.GetDirectory().GetCurrentSource() << std::endl
<< std::endl;
fout << "# Set the install prefix" << std::endl
<< "if(NOT DEFINED CMAKE_INSTALL_PREFIX)" << std::endl
<< " set(CMAKE_INSTALL_PREFIX \"" << prefix << "\")" << std::endl
<< "endif()" << std::endl
<< "string(REGEX REPLACE \"/$\" \"\" CMAKE_INSTALL_PREFIX "
<< "\"${CMAKE_INSTALL_PREFIX}\")" << std::endl
<< std::endl;
// Write support code for generating per-configuration install rules.
/* clang-format off */
fout <<
"# Set the install configuration name.\n"
"if(NOT DEFINED CMAKE_INSTALL_CONFIG_NAME)\n"
" if(BUILD_TYPE)\n"
" string(REGEX REPLACE \"^[^A-Za-z0-9_]+\" \"\"\n"
" CMAKE_INSTALL_CONFIG_NAME \"${BUILD_TYPE}\")\n"
" else()\n"
" set(CMAKE_INSTALL_CONFIG_NAME \"" << default_config << "\")\n"
" endif()\n"
" message(STATUS \"Install configuration: "
"\\\"${CMAKE_INSTALL_CONFIG_NAME}\\\"\")\n"
"endif()\n"
"\n";
/* clang-format on */
// Write support code for dealing with component-specific installs.
/* clang-format off */
fout <<
"# Set the component getting installed.\n"
"if(NOT CMAKE_INSTALL_COMPONENT)\n"
" if(COMPONENT)\n"
" message(STATUS \"Install component: \\\"${COMPONENT}\\\"\")\n"
" set(CMAKE_INSTALL_COMPONENT \"${COMPONENT}\")\n"
" else()\n"
" set(CMAKE_INSTALL_COMPONENT)\n"
" endif()\n"
"endif()\n"
"\n";
/* clang-format on */
// Copy user-specified install options to the install code.
if (const char* so_no_exe =
this->Makefile->GetDefinition("CMAKE_INSTALL_SO_NO_EXE")) {
/* clang-format off */
fout <<
"# Install shared libraries without execute permission?\n"
"if(NOT DEFINED CMAKE_INSTALL_SO_NO_EXE)\n"
" set(CMAKE_INSTALL_SO_NO_EXE \"" << so_no_exe << "\")\n"
"endif()\n"
"\n";
/* clang-format on */
}
// Ask each install generator to write its code.
std::vector<cmInstallGenerator*> const& installers =
this->Makefile->GetInstallGenerators();
for (std::vector<cmInstallGenerator*>::const_iterator gi =
installers.begin();
gi != installers.end(); ++gi) {
(*gi)->Generate(fout, config, configurationTypes);
}
// Write rules from old-style specification stored in targets.
this->GenerateTargetInstallRules(fout, config, configurationTypes);
// Include install scripts from subdirectories.
std::vector<cmStateSnapshot> children =
this->Makefile->GetStateSnapshot().GetChildren();
if (!children.empty()) {
fout << "if(NOT CMAKE_INSTALL_LOCAL_ONLY)\n";
fout << " # Include the install script for each subdirectory.\n";
for (std::vector<cmStateSnapshot>::const_iterator ci = children.begin();
ci != children.end(); ++ci) {
if (!ci->GetDirectory().GetPropertyAsBool("EXCLUDE_FROM_ALL")) {
std::string odir = ci->GetDirectory().GetCurrentBinary();
cmSystemTools::ConvertToUnixSlashes(odir);
fout << " include(\"" << odir << "/cmake_install.cmake\")"
<< std::endl;
}
}
fout << "\n";
fout << "endif()\n\n";
}
// Record the install manifest.
if (toplevel_install) {
/* clang-format off */
fout <<
"if(CMAKE_INSTALL_COMPONENT)\n"
" set(CMAKE_INSTALL_MANIFEST \"install_manifest_"
"${CMAKE_INSTALL_COMPONENT}.txt\")\n"
"else()\n"
" set(CMAKE_INSTALL_MANIFEST \"install_manifest.txt\")\n"
"endif()\n"
"\n"
"string(REPLACE \";\" \"\\n\" CMAKE_INSTALL_MANIFEST_CONTENT\n"
" \"${CMAKE_INSTALL_MANIFEST_FILES}\")\n"
"file(WRITE \"" << homedir << "/${CMAKE_INSTALL_MANIFEST}\"\n"
" \"${CMAKE_INSTALL_MANIFEST_CONTENT}\")\n";
/* clang-format on */
}
}
void cmLocalGenerator::AddGeneratorTarget(cmGeneratorTarget* gt)
{
this->GeneratorTargets.push_back(gt);
this->GlobalGenerator->IndexGeneratorTarget(gt);
}
void cmLocalGenerator::AddImportedGeneratorTarget(cmGeneratorTarget* gt)
{
this->ImportedGeneratorTargets.push_back(gt);
this->GlobalGenerator->IndexGeneratorTarget(gt);
}
void cmLocalGenerator::AddOwnedImportedGeneratorTarget(cmGeneratorTarget* gt)
{
this->OwnedImportedGeneratorTargets.push_back(gt);
}
struct NamedGeneratorTargetFinder
{
NamedGeneratorTargetFinder(std::string const& name)
: Name(name)
{
}
bool operator()(cmGeneratorTarget* tgt)
{
return tgt->GetName() == this->Name;
}
private:
std::string Name;
};
cmGeneratorTarget* cmLocalGenerator::FindLocalNonAliasGeneratorTarget(
const std::string& name) const
{
std::vector<cmGeneratorTarget*>::const_iterator ti =
std::find_if(this->GeneratorTargets.begin(), this->GeneratorTargets.end(),
NamedGeneratorTargetFinder(name));
if (ti != this->GeneratorTargets.end()) {
return *ti;
}
return CM_NULLPTR;
}
void cmLocalGenerator::ComputeTargetManifest()
{
// Collect the set of configuration types.
std::vector<std::string> configNames;
this->Makefile->GetConfigurations(configNames);
if (configNames.empty()) {
configNames.push_back("");
}
// Add our targets to the manifest for each configuration.
std::vector<cmGeneratorTarget*> targets = this->GetGeneratorTargets();
for (std::vector<cmGeneratorTarget*>::iterator t = targets.begin();
t != targets.end(); ++t) {
cmGeneratorTarget* target = *t;
if (target->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
continue;
}
for (std::vector<std::string>::iterator ci = configNames.begin();
ci != configNames.end(); ++ci) {
const char* config = ci->c_str();
target->ComputeTargetManifest(config);
}
}
}
bool cmLocalGenerator::IsRootMakefile() const
{
return !this->StateSnapshot.GetBuildsystemDirectoryParent().IsValid();
}
cmState* cmLocalGenerator::GetState() const
{
return this->GlobalGenerator->GetCMakeInstance()->GetState();
}
cmStateSnapshot cmLocalGenerator::GetStateSnapshot() const
{
return this->Makefile->GetStateSnapshot();
}
const char* cmLocalGenerator::GetRuleLauncher(cmGeneratorTarget* target,
const std::string& prop)
{
if (target) {
return target->GetProperty(prop);
}
return this->Makefile->GetProperty(prop);
}
std::string cmLocalGenerator::ConvertToIncludeReference(
std::string const& path, OutputFormat format, bool forceFullPaths)
{
static_cast<void>(forceFullPaths);
return this->ConvertToOutputForExisting(path, format);
}
std::string cmLocalGenerator::GetIncludeFlags(
const std::vector<std::string>& includes, cmGeneratorTarget* target,
const std::string& lang, bool forceFullPaths, bool forResponseFile,
const std::string& config)
{
if (lang.empty()) {
return "";
}
OutputFormat shellFormat = forResponseFile ? RESPONSE : SHELL;
std::ostringstream includeFlags;
std::string flagVar = "CMAKE_INCLUDE_FLAG_";
flagVar += lang;
const char* includeFlag = this->Makefile->GetSafeDefinition(flagVar);
flagVar = "CMAKE_INCLUDE_FLAG_SEP_";
flagVar += lang;
const char* sep = this->Makefile->GetDefinition(flagVar);
bool quotePaths = false;
if (this->Makefile->GetDefinition("CMAKE_QUOTE_INCLUDE_PATHS")) {
quotePaths = true;
}
bool repeatFlag = true;
// should the include flag be repeated like ie. -IA -IB
if (!sep) {
sep = " ";
} else {
// if there is a separator then the flag is not repeated but is only
// given once i.e. -classpath a:b:c
repeatFlag = false;
}
// Support special system include flag if it is available and the
// normal flag is repeated for each directory.
std::string sysFlagVar = "CMAKE_INCLUDE_SYSTEM_FLAG_";
sysFlagVar += lang;
const char* sysIncludeFlag = CM_NULLPTR;
if (repeatFlag) {
sysIncludeFlag = this->Makefile->GetDefinition(sysFlagVar);
}
std::string fwSearchFlagVar = "CMAKE_";
fwSearchFlagVar += lang;
fwSearchFlagVar += "_FRAMEWORK_SEARCH_FLAG";
const char* fwSearchFlag = this->Makefile->GetDefinition(fwSearchFlagVar);
std::string sysFwSearchFlagVar = "CMAKE_";
sysFwSearchFlagVar += lang;
sysFwSearchFlagVar += "_SYSTEM_FRAMEWORK_SEARCH_FLAG";
const char* sysFwSearchFlag =
this->Makefile->GetDefinition(sysFwSearchFlagVar);
bool flagUsed = false;
std::set<std::string> emitted;
#ifdef __APPLE__
emitted.insert("/System/Library/Frameworks");
#endif
std::vector<std::string>::const_iterator i;
for (i = includes.begin(); i != includes.end(); ++i) {
if (fwSearchFlag && *fwSearchFlag && this->Makefile->IsOn("APPLE") &&
cmSystemTools::IsPathToFramework(i->c_str())) {
std::string frameworkDir = *i;
frameworkDir += "/../";
frameworkDir = cmSystemTools::CollapseFullPath(frameworkDir);
if (emitted.insert(frameworkDir).second) {
if (sysFwSearchFlag && target &&
target->IsSystemIncludeDirectory(*i, config)) {
includeFlags << sysFwSearchFlag;
} else {
includeFlags << fwSearchFlag;
}
includeFlags << this->ConvertToOutputFormat(frameworkDir, shellFormat)
<< " ";
}
continue;
}
if (!flagUsed || repeatFlag) {
if (sysIncludeFlag && target &&
target->IsSystemIncludeDirectory(*i, config)) {
includeFlags << sysIncludeFlag;
} else {
includeFlags << includeFlag;
}
flagUsed = true;
}
std::string includePath =
this->ConvertToIncludeReference(*i, shellFormat, forceFullPaths);
if (quotePaths && !includePath.empty() && includePath[0] != '\"') {
includeFlags << "\"";
}
includeFlags << includePath;
if (quotePaths && !includePath.empty() && includePath[0] != '\"') {
includeFlags << "\"";
}
includeFlags << sep;
}
std::string flags = includeFlags.str();
// remove trailing separators
if ((sep[0] != ' ') && !flags.empty() && flags[flags.size() - 1] == sep[0]) {
flags[flags.size() - 1] = ' ';
}
return flags;
}
void cmLocalGenerator::AddCompileDefinitions(std::set<std::string>& defines,
cmGeneratorTarget const* target,
const std::string& config,
const std::string& lang) const
{
std::vector<std::string> targetDefines;
target->GetCompileDefinitions(targetDefines, config, lang);
this->AppendDefines(defines, targetDefines);
}
void cmLocalGenerator::AddCompileOptions(std::string& flags,
cmGeneratorTarget* target,
const std::string& lang,
const std::string& config)
{
std::string langFlagRegexVar = std::string("CMAKE_") + lang + "_FLAG_REGEX";
if (const char* langFlagRegexStr =
this->Makefile->GetDefinition(langFlagRegexVar)) {
// Filter flags acceptable to this language.
cmsys::RegularExpression r(langFlagRegexStr);
std::vector<std::string> opts;
if (const char* targetFlags = target->GetProperty("COMPILE_FLAGS")) {
cmSystemTools::ParseWindowsCommandLine(targetFlags, opts);
}
target->GetCompileOptions(opts, config, lang);
for (std::vector<std::string>::const_iterator i = opts.begin();
i != opts.end(); ++i) {
if (r.find(i->c_str())) {
// (Re-)Escape this flag. COMPILE_FLAGS were already parsed
// as a command line above, and COMPILE_OPTIONS are escaped.
this->AppendFlagEscape(flags, *i);
}
}
} else {
// Use all flags.
if (const char* targetFlags = target->GetProperty("COMPILE_FLAGS")) {
// COMPILE_FLAGS are not escaped for historical reasons.
this->AppendFlags(flags, targetFlags);
}
std::vector<std::string> opts;
target->GetCompileOptions(opts, config, lang);
for (std::vector<std::string>::const_iterator i = opts.begin();
i != opts.end(); ++i) {
// COMPILE_OPTIONS are escaped.
this->AppendFlagEscape(flags, *i);
}
}
std::vector<std::string> features;
target->GetCompileFeatures(features, config);
for (std::vector<std::string>::const_iterator it = features.begin();
it != features.end(); ++it) {
if (!this->Makefile->AddRequiredTargetFeature(target->Target, *it)) {
return;
}
}
for (std::map<std::string, std::string>::const_iterator it =
target->GetMaxLanguageStandards().begin();
it != target->GetMaxLanguageStandards().end(); ++it) {
const char* standard = target->GetProperty(it->first + "_STANDARD");
if (!standard) {
continue;
}
if (this->Makefile->IsLaterStandard(it->first, standard, it->second)) {
std::ostringstream e;
e << "The COMPILE_FEATURES property of target \"" << target->GetName()
<< "\" was evaluated when computing the link "
"implementation, and the \""
<< it->first << "_STANDARD\" was \"" << it->second
<< "\" for that computation. Computing the "
"COMPILE_FEATURES based on the link implementation resulted in a "
"higher \""
<< it->first << "_STANDARD\" \"" << standard
<< "\". "
"This is not permitted. The COMPILE_FEATURES may not both depend "
"on "
"and be depended on by the link implementation."
<< std::endl;
this->IssueMessage(cmake::FATAL_ERROR, e.str());
return;
}
}
this->AddCompilerRequirementFlag(flags, target, lang);
}
void cmLocalGenerator::GetIncludeDirectories(std::vector<std::string>& dirs,
cmGeneratorTarget const* target,
const std::string& lang,
const std::string& config,
bool stripImplicitInclDirs) const
{
// Need to decide whether to automatically include the source and
// binary directories at the beginning of the include path.
bool includeSourceDir = false;
bool includeBinaryDir = false;
// When automatic include directories are requested for a build then
// include the source and binary directories at the beginning of the
// include path to approximate include file behavior for an
// in-source build. This does not account for the case of a source
// file in a subdirectory of the current source directory but we
// cannot fix this because not all native build tools support
// per-source-file include paths.
if (this->Makefile->IsOn("CMAKE_INCLUDE_CURRENT_DIR")) {
includeSourceDir = true;
includeBinaryDir = true;
}
// Do not repeat an include path.
std::set<std::string> emitted;
// Store the automatic include paths.
if (includeBinaryDir) {
std::string binDir = this->StateSnapshot.GetDirectory().GetCurrentBinary();
if (emitted.find(binDir) == emitted.end()) {
dirs.push_back(binDir);
emitted.insert(binDir);
}
}
if (includeSourceDir) {
std::string srcDir = this->StateSnapshot.GetDirectory().GetCurrentSource();
if (emitted.find(srcDir) == emitted.end()) {
dirs.push_back(srcDir);
emitted.insert(srcDir);
}
}
if (!target) {
return;
}
std::string rootPath = this->Makefile->GetSafeDefinition("CMAKE_SYSROOT");
std::vector<std::string> implicitDirs;
// Load implicit include directories for this language.
std::string impDirVar = "CMAKE_";
impDirVar += lang;
impDirVar += "_IMPLICIT_INCLUDE_DIRECTORIES";
if (const char* value = this->Makefile->GetDefinition(impDirVar)) {
std::vector<std::string> impDirVec;
cmSystemTools::ExpandListArgument(value, impDirVec);
for (std::vector<std::string>::const_iterator i = impDirVec.begin();
i != impDirVec.end(); ++i) {
std::string d = rootPath + *i;
cmSystemTools::ConvertToUnixSlashes(d);
emitted.insert(d);
if (!stripImplicitInclDirs) {
implicitDirs.push_back(*i);
}
}
}
// Get the target-specific include directories.
std::vector<std::string> includes;
includes = target->GetIncludeDirectories(config, lang);
// Support putting all the in-project include directories first if
// it is requested by the project.
if (this->Makefile->IsOn("CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE")) {
const char* topSourceDir = this->GetState()->GetSourceDirectory();
const char* topBinaryDir = this->GetState()->GetBinaryDirectory();
for (std::vector<std::string>::const_iterator i = includes.begin();
i != includes.end(); ++i) {
// Emit this directory only if it is a subdirectory of the
// top-level source or binary tree.
if (cmSystemTools::ComparePath(*i, topSourceDir) ||
cmSystemTools::ComparePath(*i, topBinaryDir) ||
cmSystemTools::IsSubDirectory(*i, topSourceDir) ||
cmSystemTools::IsSubDirectory(*i, topBinaryDir)) {
if (emitted.insert(*i).second) {
dirs.push_back(*i);
}
}
}
}
// Construct the final ordered include directory list.
for (std::vector<std::string>::const_iterator i = includes.begin();
i != includes.end(); ++i) {
if (emitted.insert(*i).second) {
dirs.push_back(*i);
}
}
for (std::vector<std::string>::const_iterator i = implicitDirs.begin();
i != implicitDirs.end(); ++i) {
if (std::find(includes.begin(), includes.end(), *i) != includes.end()) {
dirs.push_back(*i);
}
}
}
void cmLocalGenerator::GetStaticLibraryFlags(std::string& flags,
std::string const& config,
cmGeneratorTarget* target)
{
this->AppendFlags(
flags, this->Makefile->GetSafeDefinition("CMAKE_STATIC_LINKER_FLAGS"));
if (!config.empty()) {
std::string name = "CMAKE_STATIC_LINKER_FLAGS_" + config;
this->AppendFlags(flags, this->Makefile->GetSafeDefinition(name));
}
this->AppendFlags(flags, target->GetProperty("STATIC_LIBRARY_FLAGS"));
if (!config.empty()) {
std::string name = "STATIC_LIBRARY_FLAGS_" + config;
this->AppendFlags(flags, target->GetProperty(name));
}
}
void cmLocalGenerator::GetTargetFlags(
cmLinkLineComputer* linkLineComputer, const std::string& config,
std::string& linkLibs, std::string& flags, std::string& linkFlags,
std::string& frameworkPath, std::string& linkPath, cmGeneratorTarget* target)
{
const std::string buildType = cmSystemTools::UpperCase(config);
cmComputeLinkInformation* pcli = target->GetLinkInformation(config);
const char* libraryLinkVariable =
"CMAKE_SHARED_LINKER_FLAGS"; // default to shared library
switch (target->GetType()) {
case cmStateEnums::STATIC_LIBRARY:
this->GetStaticLibraryFlags(linkFlags, buildType, target);
break;
case cmStateEnums::MODULE_LIBRARY:
libraryLinkVariable = "CMAKE_MODULE_LINKER_FLAGS";
case cmStateEnums::SHARED_LIBRARY: {
linkFlags = this->Makefile->GetSafeDefinition(libraryLinkVariable);
linkFlags += " ";
if (!buildType.empty()) {
std::string build = libraryLinkVariable;
build += "_";
build += buildType;
linkFlags += this->Makefile->GetSafeDefinition(build);
linkFlags += " ";
}
if (this->Makefile->IsOn("WIN32") &&
!(this->Makefile->IsOn("CYGWIN") || this->Makefile->IsOn("MINGW"))) {
std::vector<cmSourceFile*> sources;
target->GetSourceFiles(sources, buildType);
std::string defFlag =
this->Makefile->GetSafeDefinition("CMAKE_LINK_DEF_FILE_FLAG");
for (std::vector<cmSourceFile*>::const_iterator i = sources.begin();
i != sources.end(); ++i) {
cmSourceFile* sf = *i;
if (sf->GetExtension() == "def") {
linkFlags += defFlag;
linkFlags += this->ConvertToOutputFormat(
cmSystemTools::CollapseFullPath(sf->GetFullPath()), SHELL);
linkFlags += " ";
}
}
}
const char* targetLinkFlags = target->GetProperty("LINK_FLAGS");
if (targetLinkFlags) {
linkFlags += targetLinkFlags;
linkFlags += " ";
}
if (!buildType.empty()) {
std::string configLinkFlags = "LINK_FLAGS_";
configLinkFlags += buildType;
targetLinkFlags = target->GetProperty(configLinkFlags);
if (targetLinkFlags) {
linkFlags += targetLinkFlags;
linkFlags += " ";
}
}
if (pcli) {
this->OutputLinkLibraries(pcli, linkLineComputer, linkLibs,
frameworkPath, linkPath);
}
} break;
case cmStateEnums::EXECUTABLE: {
linkFlags += this->Makefile->GetSafeDefinition("CMAKE_EXE_LINKER_FLAGS");
linkFlags += " ";
if (!buildType.empty()) {
std::string build = "CMAKE_EXE_LINKER_FLAGS_";
build += buildType;
linkFlags += this->Makefile->GetSafeDefinition(build);
linkFlags += " ";
}
std::string linkLanguage = target->GetLinkerLanguage(buildType);
if (linkLanguage.empty()) {
cmSystemTools::Error(
"CMake can not determine linker language for target: ",
target->GetName().c_str());
return;
}
this->AddLanguageFlags(flags, linkLanguage, buildType);
if (pcli) {
this->OutputLinkLibraries(pcli, linkLineComputer, linkLibs,
frameworkPath, linkPath);
}
if (cmSystemTools::IsOn(
this->Makefile->GetDefinition("BUILD_SHARED_LIBS"))) {
std::string sFlagVar = std::string("CMAKE_SHARED_BUILD_") +
linkLanguage + std::string("_FLAGS");
linkFlags += this->Makefile->GetSafeDefinition(sFlagVar);
linkFlags += " ";
}
if (target->GetPropertyAsBool("WIN32_EXECUTABLE")) {
linkFlags +=
this->Makefile->GetSafeDefinition("CMAKE_CREATE_WIN32_EXE");
linkFlags += " ";
} else {
linkFlags +=
this->Makefile->GetSafeDefinition("CMAKE_CREATE_CONSOLE_EXE");
linkFlags += " ";
}
if (target->IsExecutableWithExports()) {
std::string exportFlagVar = "CMAKE_EXE_EXPORTS_";
exportFlagVar += linkLanguage;
exportFlagVar += "_FLAG";
linkFlags += this->Makefile->GetSafeDefinition(exportFlagVar);
linkFlags += " ";
}
std::string cmp0065Flags =
this->GetLinkLibsCMP0065(linkLanguage, *target);
if (!cmp0065Flags.empty()) {
linkFlags += cmp0065Flags;
linkFlags += " ";
}
const char* targetLinkFlags = target->GetProperty("LINK_FLAGS");
if (targetLinkFlags) {
linkFlags += targetLinkFlags;
linkFlags += " ";
}
if (!buildType.empty()) {
std::string configLinkFlags = "LINK_FLAGS_";
configLinkFlags += buildType;
targetLinkFlags = target->GetProperty(configLinkFlags);
if (targetLinkFlags) {
linkFlags += targetLinkFlags;
linkFlags += " ";
}
}
} break;
default:
break;
}
}
void cmLocalGenerator::GetTargetCompileFlags(cmGeneratorTarget* target,
std::string const& config,
std::string const& lang,
std::string& flags)
{
cmMakefile* mf = this->GetMakefile();
// Add language-specific flags.
this->AddLanguageFlags(flags, lang, config);
if (target->GetFeatureAsBool("INTERPROCEDURAL_OPTIMIZATION", config)) {
this->AppendFeatureOptions(flags, lang, "IPO");
}
this->AddArchitectureFlags(flags, target, lang, config);
if (lang == "Fortran") {
this->AppendFlags(flags, this->GetTargetFortranFlags(target, config));
}
this->AddCMP0018Flags(flags, target, lang, config);
this->AddVisibilityPresetFlags(flags, target, lang);
this->AppendFlags(flags, mf->GetDefineFlags());
this->AppendFlags(flags, this->GetFrameworkFlags(lang, config, target));
this->AddCompileOptions(flags, target, lang, config);
}
static std::string GetFrameworkFlags(const std::string& lang,
const std::string& config,
cmGeneratorTarget* target)
{
cmLocalGenerator* lg = target->GetLocalGenerator();
cmMakefile* mf = lg->GetMakefile();
if (!mf->IsOn("APPLE")) {
return std::string();
}
std::string fwSearchFlagVar = "CMAKE_" + lang + "_FRAMEWORK_SEARCH_FLAG";
const char* fwSearchFlag = mf->GetDefinition(fwSearchFlagVar);
if (!(fwSearchFlag && *fwSearchFlag)) {
return std::string();
}
std::set<std::string> emitted;
#ifdef __APPLE__ /* don't insert this when crosscompiling e.g. to iphone */
emitted.insert("/System/Library/Frameworks");
#endif
std::vector<std::string> includes;
lg->GetIncludeDirectories(includes, target, "C", config);
// check all include directories for frameworks as this
// will already have added a -F for the framework
for (std::vector<std::string>::iterator i = includes.begin();
i != includes.end(); ++i) {
if (lg->GetGlobalGenerator()->NameResolvesToFramework(*i)) {
std::string frameworkDir = *i;
frameworkDir += "/../";
frameworkDir = cmSystemTools::CollapseFullPath(frameworkDir);
emitted.insert(frameworkDir);
}
}
std::string flags;
if (cmComputeLinkInformation* cli = target->GetLinkInformation(config)) {
std::vector<std::string> const& frameworks = cli->GetFrameworkPaths();
for (std::vector<std::string>::const_iterator i = frameworks.begin();
i != frameworks.end(); ++i) {
if (emitted.insert(*i).second) {
flags += fwSearchFlag;
flags += lg->ConvertToOutputFormat(*i, cmOutputConverter::SHELL);
flags += " ";
}
}
}
return flags;
}
std::string cmLocalGenerator::GetFrameworkFlags(std::string const& l,
std::string const& config,
cmGeneratorTarget* target)
{
return ::GetFrameworkFlags(l, config, target);
}
void cmLocalGenerator::GetTargetDefines(cmGeneratorTarget const* target,
std::string const& config,
std::string const& lang,
std::set<std::string>& defines) const
{
// Add the export symbol definition for shared library objects.
if (const char* exportMacro = target->GetExportMacro()) {
this->AppendDefines(defines, exportMacro);
}
// Add preprocessor definitions for this target and configuration.
this->AddCompileDefinitions(defines, target, config, lang);
}
std::string cmLocalGenerator::GetTargetFortranFlags(
cmGeneratorTarget const* /*unused*/, std::string const& /*unused*/)
{
// Implemented by specific generators that override this.
return std::string();
}
/**
* Output the linking rules on a command line. For executables,
* targetLibrary should be a NULL pointer. For libraries, it should point
* to the name of the library. This will not link a library against itself.
*/
void cmLocalGenerator::OutputLinkLibraries(
cmComputeLinkInformation* pcli, cmLinkLineComputer* linkLineComputer,
std::string& linkLibraries, std::string& frameworkPath,
std::string& linkPath)
{
cmComputeLinkInformation& cli = *pcli;
std::string linkLanguage = cli.GetLinkLanguage();
std::string libPathFlag =
this->Makefile->GetRequiredDefinition("CMAKE_LIBRARY_PATH_FLAG");
std::string libPathTerminator =
this->Makefile->GetSafeDefinition("CMAKE_LIBRARY_PATH_TERMINATOR");
// Add standard libraries for this language.
std::string standardLibsVar = "CMAKE_";
standardLibsVar += cli.GetLinkLanguage();
standardLibsVar += "_STANDARD_LIBRARIES";
std::string stdLibString;
if (const char* stdLibs = this->Makefile->GetDefinition(standardLibsVar)) {
stdLibString = stdLibs;
}
// Append the framework search path flags.
std::string fwSearchFlagVar = "CMAKE_";
fwSearchFlagVar += linkLanguage;
fwSearchFlagVar += "_FRAMEWORK_SEARCH_FLAG";
std::string fwSearchFlag =
this->Makefile->GetSafeDefinition(fwSearchFlagVar);
frameworkPath = linkLineComputer->ComputeFrameworkPath(cli, fwSearchFlag);
linkPath =
linkLineComputer->ComputeLinkPath(cli, libPathFlag, libPathTerminator);
linkLibraries = linkLineComputer->ComputeLinkLibraries(cli, stdLibString);
}
std::string cmLocalGenerator::GetLinkLibsCMP0065(
std::string const& linkLanguage, cmGeneratorTarget& tgt) const
{
std::string linkFlags;
// Flags to link an executable to shared libraries.
if (tgt.GetType() == cmStateEnums::EXECUTABLE &&
this->StateSnapshot.GetState()->GetGlobalPropertyAsBool(
"TARGET_SUPPORTS_SHARED_LIBS")) {
bool add_shlib_flags = false;
switch (tgt.GetPolicyStatusCMP0065()) {
case cmPolicies::WARN:
if (!tgt.GetPropertyAsBool("ENABLE_EXPORTS") &&
this->Makefile->PolicyOptionalWarningEnabled(
"CMAKE_POLICY_WARNING_CMP0065")) {
std::ostringstream w;
/* clang-format off */
w << cmPolicies::GetPolicyWarning(cmPolicies::CMP0065) << "\n"
"For compatibility with older versions of CMake, "
"additional flags may be added to export symbols on all "
"executables regardless of their ENABLE_EXPORTS property.";
/* clang-format on */
this->IssueMessage(cmake::AUTHOR_WARNING, w.str());
}
case cmPolicies::OLD:
// OLD behavior is to always add the flags
add_shlib_flags = true;
break;
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
this->IssueMessage(
cmake::FATAL_ERROR,
cmPolicies::GetRequiredPolicyError(cmPolicies::CMP0065));
case cmPolicies::NEW:
// NEW behavior is to only add the flags if ENABLE_EXPORTS is on
add_shlib_flags = tgt.GetPropertyAsBool("ENABLE_EXPORTS");
break;
}
if (add_shlib_flags) {
std::string linkFlagsVar = "CMAKE_SHARED_LIBRARY_LINK_";
linkFlagsVar += linkLanguage;
linkFlagsVar += "_FLAGS";
linkFlags = this->Makefile->GetSafeDefinition(linkFlagsVar);
}
}
return linkFlags;
}
void cmLocalGenerator::AddArchitectureFlags(std::string& flags,
cmGeneratorTarget const* target,
const std::string& lang,
const std::string& config)
{
// Only add Mac OS X specific flags on Darwin platforms (OSX and iphone):
if (this->Makefile->IsOn("APPLE") && this->EmitUniversalBinaryFlags) {
std::vector<std::string> archs;
target->GetAppleArchs(config, archs);
const char* sysroot = this->Makefile->GetDefinition("CMAKE_OSX_SYSROOT");
if (sysroot && sysroot[0] == '/' && !sysroot[1]) {
sysroot = CM_NULLPTR;
}
std::string sysrootFlagVar =
std::string("CMAKE_") + lang + "_SYSROOT_FLAG";
const char* sysrootFlag = this->Makefile->GetDefinition(sysrootFlagVar);
const char* deploymentTarget =
this->Makefile->GetDefinition("CMAKE_OSX_DEPLOYMENT_TARGET");
std::string deploymentTargetFlagVar =
std::string("CMAKE_") + lang + "_OSX_DEPLOYMENT_TARGET_FLAG";
const char* deploymentTargetFlag =
this->Makefile->GetDefinition(deploymentTargetFlagVar);
if (!archs.empty() && !lang.empty() &&
(lang[0] == 'C' || lang[0] == 'F')) {
for (std::vector<std::string>::iterator i = archs.begin();
i != archs.end(); ++i) {
flags += " -arch ";
flags += *i;
}
}
if (sysrootFlag && *sysrootFlag && sysroot && *sysroot) {
flags += " ";
flags += sysrootFlag;
flags += " ";
flags += this->ConvertToOutputFormat(sysroot, SHELL);
}
if (deploymentTargetFlag && *deploymentTargetFlag && deploymentTarget &&
*deploymentTarget) {
flags += " ";
flags += deploymentTargetFlag;
flags += deploymentTarget;
}
}
}
void cmLocalGenerator::AddLanguageFlags(std::string& flags,
const std::string& lang,
const std::string& config)
{
// Add language-specific flags.
std::string flagsVar = "CMAKE_";
flagsVar += lang;
flagsVar += "_FLAGS";
this->AddConfigVariableFlags(flags, flagsVar, config);
}
cmGeneratorTarget* cmLocalGenerator::FindGeneratorTargetToUse(
const std::string& name) const
{
std::vector<cmGeneratorTarget*>::const_iterator imported = std::find_if(
this->ImportedGeneratorTargets.begin(),
this->ImportedGeneratorTargets.end(), NamedGeneratorTargetFinder(name));
if (imported != this->ImportedGeneratorTargets.end()) {
return *imported;
}
if (cmGeneratorTarget* t = this->FindLocalNonAliasGeneratorTarget(name)) {
return t;
}
return this->GetGlobalGenerator()->FindGeneratorTarget(name);
}
bool cmLocalGenerator::GetRealDependency(const std::string& inName,
const std::string& config,
std::string& dep)
{
// Older CMake code may specify the dependency using the target
// output file rather than the target name. Such code would have
// been written before there was support for target properties that
// modify the name so stripping down to just the file name should
// produce the target name in this case.
std::string name = cmSystemTools::GetFilenameName(inName);
// If the input name is the empty string, there is no real
// dependency. Short-circuit the other checks:
if (name == "") {
return false;
}
if (cmSystemTools::GetFilenameLastExtension(name) == ".exe") {
name = cmSystemTools::GetFilenameWithoutLastExtension(name);
}
// Look for a CMake target with the given name.
if (cmGeneratorTarget* target = this->FindGeneratorTargetToUse(name)) {
// make sure it is not just a coincidence that the target name
// found is part of the inName
if (cmSystemTools::FileIsFullPath(inName.c_str())) {
std::string tLocation;
if (target->GetType() >= cmStateEnums::EXECUTABLE &&
target->GetType() <= cmStateEnums::MODULE_LIBRARY) {
tLocation = target->GetLocation(config);
tLocation = cmSystemTools::GetFilenamePath(tLocation);
tLocation = cmSystemTools::CollapseFullPath(tLocation);
}
std::string depLocation =
cmSystemTools::GetFilenamePath(std::string(inName));
depLocation = cmSystemTools::CollapseFullPath(depLocation);
if (depLocation != tLocation) {
// it is a full path to a depend that has the same name
// as a target but is in a different location so do not use
// the target as the depend
dep = inName;
return true;
}
}
switch (target->GetType()) {
case cmStateEnums::EXECUTABLE:
case cmStateEnums::STATIC_LIBRARY:
case cmStateEnums::SHARED_LIBRARY:
case cmStateEnums::MODULE_LIBRARY:
case cmStateEnums::UNKNOWN_LIBRARY:
dep = target->GetLocation(config);
return true;
case cmStateEnums::OBJECT_LIBRARY:
// An object library has no single file on which to depend.
// This was listed to get the target-level dependency.
return false;
case cmStateEnums::INTERFACE_LIBRARY:
// An interface library has no file on which to depend.
// This was listed to get the target-level dependency.
return false;
case cmStateEnums::UTILITY:
case cmStateEnums::GLOBAL_TARGET:
// A utility target has no file on which to depend. This was listed
// only to get the target-level dependency.
return false;
}
}
// The name was not that of a CMake target. It must name a file.
if (cmSystemTools::FileIsFullPath(inName.c_str())) {
// This is a full path. Return it as given.
dep = inName;
return true;
}
// Check for a source file in this directory that matches the
// dependency.
if (cmSourceFile* sf = this->Makefile->GetSource(inName)) {
dep = sf->GetFullPath();
return true;
}
// Treat the name as relative to the source directory in which it
// was given.
dep = this->StateSnapshot.GetDirectory().GetCurrentSource();
dep += "/";
dep += inName;
return true;
}
void cmLocalGenerator::AddSharedFlags(std::string& flags,
const std::string& lang, bool shared)
{
std::string flagsVar;
// Add flags for dealing with shared libraries for this language.
if (shared) {
flagsVar = "CMAKE_SHARED_LIBRARY_";
flagsVar += lang;
flagsVar += "_FLAGS";
this->AppendFlags(flags, this->Makefile->GetDefinition(flagsVar));
}
}
void cmLocalGenerator::AddCompilerRequirementFlag(
std::string& flags, cmGeneratorTarget const* target, const std::string& lang)
{
if (lang.empty()) {
return;
}
const char* defaultStd =
this->Makefile->GetDefinition("CMAKE_" + lang + "_STANDARD_DEFAULT");
if (!defaultStd || !*defaultStd) {
// This compiler has no notion of language standard levels.
return;
}
std::string stdProp = lang + "_STANDARD";
const char* standardProp = target->GetProperty(stdProp);
if (!standardProp) {
return;
}
std::string extProp = lang + "_EXTENSIONS";
std::string type = "EXTENSION";
bool ext = true;
if (const char* extPropValue = target->GetProperty(extProp)) {
if (cmSystemTools::IsOff(extPropValue)) {
ext = false;
type = "STANDARD";
}
}
if (target->GetPropertyAsBool(lang + "_STANDARD_REQUIRED")) {
std::string option_flag =
"CMAKE_" + lang + standardProp + "_" + type + "_COMPILE_OPTION";
const char* opt =
target->Target->GetMakefile()->GetDefinition(option_flag);
if (!opt) {
std::ostringstream e;
e << "Target \"" << target->GetName() << "\" requires the language "
"dialect \""
<< lang << standardProp << "\" "
<< (ext ? "(with compiler extensions)" : "")
<< ", but CMake "
"does not know the compile flags to use to enable it.";
this->IssueMessage(cmake::FATAL_ERROR, e.str());
} else {
this->AppendFlagEscape(flags, opt);
}
return;
}
static std::map<std::string, std::vector<std::string> > langStdMap;
if (langStdMap.empty()) {
// Maintain sorted order, most recent first.
langStdMap["CXX"].push_back("17");
langStdMap["CXX"].push_back("14");
langStdMap["CXX"].push_back("11");
langStdMap["CXX"].push_back("98");
langStdMap["C"].push_back("11");
langStdMap["C"].push_back("99");
langStdMap["C"].push_back("90");
langStdMap["CUDA"].push_back("11");
langStdMap["CUDA"].push_back("98");
}
std::string standard(standardProp);
std::vector<std::string>& stds = langStdMap[lang];
std::vector<std::string>::const_iterator stdIt =
std::find(stds.begin(), stds.end(), standard);
if (stdIt == stds.end()) {
std::string e =
lang + "_STANDARD is set to invalid value '" + standard + "'";
this->GetGlobalGenerator()->GetCMakeInstance()->IssueMessage(
cmake::FATAL_ERROR, e, target->GetBacktrace());
return;
}
std::vector<std::string>::const_iterator defaultStdIt =
std::find(stds.begin(), stds.end(), defaultStd);
if (defaultStdIt == stds.end()) {
std::string e = "CMAKE_" + lang +
"_STANDARD_DEFAULT is set to invalid value '" + std::string(defaultStd) +
"'";
this->IssueMessage(cmake::INTERNAL_ERROR, e);
return;
}
// Greater or equal because the standards are stored in
// backward chronological order.
if (stdIt >= defaultStdIt) {
std::string option_flag =
"CMAKE_" + lang + *stdIt + "_" + type + "_COMPILE_OPTION";
const char* opt =
target->Target->GetMakefile()->GetRequiredDefinition(option_flag);
this->AppendFlagEscape(flags, opt);
return;
}
for (; stdIt < defaultStdIt; ++stdIt) {
std::string option_flag =
"CMAKE_" + lang + *stdIt + "_" + type + "_COMPILE_OPTION";
if (const char* opt =
target->Target->GetMakefile()->GetDefinition(option_flag)) {
this->AppendFlagEscape(flags, opt);
return;
}
}
}
static void AddVisibilityCompileOption(std::string& flags,
cmGeneratorTarget const* target,
cmLocalGenerator* lg,
const std::string& lang,
std::string* warnCMP0063)
{
std::string compileOption = "CMAKE_" + lang + "_COMPILE_OPTIONS_VISIBILITY";
const char* opt = lg->GetMakefile()->GetDefinition(compileOption);
if (!opt) {
return;
}
std::string flagDefine = lang + "_VISIBILITY_PRESET";
const char* prop = target->GetProperty(flagDefine);
if (!prop) {
return;
}
if (warnCMP0063) {
*warnCMP0063 += " " + flagDefine + "\n";
return;
}
if (strcmp(prop, "hidden") != 0 && strcmp(prop, "default") != 0 &&
strcmp(prop, "protected") != 0 && strcmp(prop, "internal") != 0) {
std::ostringstream e;
e << "Target " << target->GetName() << " uses unsupported value \"" << prop
<< "\" for " << flagDefine << ".";
cmSystemTools::Error(e.str().c_str());
return;
}
std::string option = std::string(opt) + prop;
lg->AppendFlags(flags, option);
}
static void AddInlineVisibilityCompileOption(std::string& flags,
cmGeneratorTarget const* target,
cmLocalGenerator* lg,
std::string* warnCMP0063)
{
std::string compileOption =
"CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN";
const char* opt = lg->GetMakefile()->GetDefinition(compileOption);
if (!opt) {
return;
}
bool prop = target->GetPropertyAsBool("VISIBILITY_INLINES_HIDDEN");
if (!prop) {
return;
}
if (warnCMP0063) {
*warnCMP0063 += " VISIBILITY_INLINES_HIDDEN\n";
return;
}
lg->AppendFlags(flags, opt);
}
void cmLocalGenerator::AddVisibilityPresetFlags(
std::string& flags, cmGeneratorTarget const* target, const std::string& lang)
{
if (lang.empty()) {
return;
}
std::string warnCMP0063;
std::string* pWarnCMP0063 = CM_NULLPTR;
if (target->GetType() != cmStateEnums::SHARED_LIBRARY &&
target->GetType() != cmStateEnums::MODULE_LIBRARY &&
!target->IsExecutableWithExports()) {
switch (target->GetPolicyStatusCMP0063()) {
case cmPolicies::OLD:
return;
case cmPolicies::WARN:
pWarnCMP0063 = &warnCMP0063;
break;
default:
break;
}
}
AddVisibilityCompileOption(flags, target, this, lang, pWarnCMP0063);
if (lang == "CXX") {
AddInlineVisibilityCompileOption(flags, target, this, pWarnCMP0063);
}
if (!warnCMP0063.empty() && this->WarnCMP0063.insert(target).second) {
std::ostringstream w;
/* clang-format off */
w <<
cmPolicies::GetPolicyWarning(cmPolicies::CMP0063) << "\n"
"Target \"" << target->GetName() << "\" of "
"type \"" << cmState::GetTargetTypeName(target->GetType()) << "\" "
"has the following visibility properties set for " << lang << ":\n" <<
warnCMP0063 <<
"For compatibility CMake is not honoring them for this target.";
/* clang-format on */
target->GetLocalGenerator()->GetCMakeInstance()->IssueMessage(
cmake::AUTHOR_WARNING, w.str(), target->GetBacktrace());
}
}
void cmLocalGenerator::AddCMP0018Flags(std::string& flags,
cmGeneratorTarget const* target,
std::string const& lang,
const std::string& config)
{
int targetType = target->GetType();
bool shared = ((targetType == cmStateEnums::SHARED_LIBRARY) ||
(targetType == cmStateEnums::MODULE_LIBRARY));
if (this->GetShouldUseOldFlags(shared, lang)) {
this->AddSharedFlags(flags, lang, shared);
} else {
if (target->GetType() == cmStateEnums::OBJECT_LIBRARY) {
if (target->GetPropertyAsBool("POSITION_INDEPENDENT_CODE")) {
this->AddPositionIndependentFlags(flags, lang, targetType);
}
return;
}
if (target->GetLinkInterfaceDependentBoolProperty(
"POSITION_INDEPENDENT_CODE", config)) {
this->AddPositionIndependentFlags(flags, lang, targetType);
}
if (shared) {
this->AppendFeatureOptions(flags, lang, "DLL");
}
}
}
bool cmLocalGenerator::GetShouldUseOldFlags(bool shared,
const std::string& lang) const
{
std::string originalFlags =
this->GlobalGenerator->GetSharedLibFlagsForLanguage(lang);
if (shared) {
std::string flagsVar = "CMAKE_SHARED_LIBRARY_";
flagsVar += lang;
flagsVar += "_FLAGS";
const char* flags = this->Makefile->GetSafeDefinition(flagsVar);
if (flags && flags != originalFlags) {
switch (this->GetPolicyStatus(cmPolicies::CMP0018)) {
case cmPolicies::WARN: {
std::ostringstream e;
e << "Variable " << flagsVar
<< " has been modified. CMake "
"will ignore the POSITION_INDEPENDENT_CODE target property for "
"shared libraries and will use the "
<< flagsVar
<< " variable "
"instead. This may cause errors if the original content of "
<< flagsVar << " was removed.\n"
<< cmPolicies::GetPolicyWarning(cmPolicies::CMP0018);
this->IssueMessage(cmake::AUTHOR_WARNING, e.str());
// fall through to OLD behaviour
}
case cmPolicies::OLD:
return true;
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
case cmPolicies::NEW:
return false;
}
}
}
return false;
}
void cmLocalGenerator::AddPositionIndependentFlags(std::string& flags,
std::string const& lang,
int targetType)
{
const char* picFlags = CM_NULLPTR;
if (targetType == cmStateEnums::EXECUTABLE) {
std::string flagsVar = "CMAKE_";
flagsVar += lang;
flagsVar += "_COMPILE_OPTIONS_PIE";
picFlags = this->Makefile->GetSafeDefinition(flagsVar);
}
if (!picFlags) {
std::string flagsVar = "CMAKE_";
flagsVar += lang;
flagsVar += "_COMPILE_OPTIONS_PIC";
picFlags = this->Makefile->GetSafeDefinition(flagsVar);
}
if (picFlags) {
std::vector<std::string> options;
cmSystemTools::ExpandListArgument(picFlags, options);
for (std::vector<std::string>::const_iterator oi = options.begin();
oi != options.end(); ++oi) {
this->AppendFlagEscape(flags, *oi);
}
}
}
void cmLocalGenerator::AddConfigVariableFlags(std::string& flags,
const std::string& var,
const std::string& config)
{
// Add the flags from the variable itself.
std::string flagsVar = var;
this->AppendFlags(flags, this->Makefile->GetDefinition(flagsVar));
// Add the flags from the build-type specific variable.
if (!config.empty()) {
flagsVar += "_";
flagsVar += cmSystemTools::UpperCase(config);
this->AppendFlags(flags, this->Makefile->GetDefinition(flagsVar));
}
}
void cmLocalGenerator::AppendFlags(std::string& flags,
const std::string& newFlags)
{
if (!newFlags.empty()) {
if (!flags.empty()) {
flags += " ";
}
flags += newFlags;
}
}
void cmLocalGenerator::AppendFlags(std::string& flags, const char* newFlags)
{
if (newFlags && *newFlags) {
this->AppendFlags(flags, std::string(newFlags));
}
}
void cmLocalGenerator::AppendFlagEscape(std::string& flags,
const std::string& rawFlag)
{
this->AppendFlags(flags, this->EscapeForShell(rawFlag));
}
void cmLocalGenerator::AppendDefines(std::set<std::string>& defines,
const char* defines_list) const
{
// Short-circuit if there are no definitions.
if (!defines_list) {
return;
}
// Expand the list of definitions.
std::vector<std::string> defines_vec;
cmSystemTools::ExpandListArgument(defines_list, defines_vec);
this->AppendDefines(defines, defines_vec);
}
void cmLocalGenerator::AppendDefines(
std::set<std::string>& defines,
const std::vector<std::string>& defines_vec) const
{
for (std::vector<std::string>::const_iterator di = defines_vec.begin();
di != defines_vec.end(); ++di) {
// Skip unsupported definitions.
if (!this->CheckDefinition(*di)) {
continue;
}
defines.insert(*di);
}
}
void cmLocalGenerator::JoinDefines(const std::set<std::string>& defines,
std::string& definesString,
const std::string& lang)
{
// Lookup the define flag for the current language.
std::string dflag = "-D";
if (!lang.empty()) {
std::string defineFlagVar = "CMAKE_";
defineFlagVar += lang;
defineFlagVar += "_DEFINE_FLAG";
const char* df = this->Makefile->GetDefinition(defineFlagVar);
if (df && *df) {
dflag = df;
}
}
std::set<std::string>::const_iterator defineIt = defines.begin();
const std::set<std::string>::const_iterator defineEnd = defines.end();
const char* itemSeparator = definesString.empty() ? "" : " ";
for (; defineIt != defineEnd; ++defineIt) {
// Append the definition with proper escaping.
std::string def = dflag;
if (this->GetState()->UseWatcomWMake()) {
// The Watcom compiler does its own command line parsing instead
// of using the windows shell rules. Definitions are one of
// -DNAME
// -DNAME=<cpp-token>
// -DNAME="c-string with spaces and other characters(?@#$)"
//
// Watcom will properly parse each of these cases from the
// command line without any escapes. However we still have to
// get the '$' and '#' characters through WMake as '$$' and
// '$#'.
for (const char* c = defineIt->c_str(); *c; ++c) {
if (*c == '$' || *c == '#') {
def += '$';
}
def += *c;
}
} else {
// Make the definition appear properly on the command line. Use
// -DNAME="value" instead of -D"NAME=value" for historical reasons.
std::string::size_type eq = defineIt->find("=");
def += defineIt->substr(0, eq);
if (eq != defineIt->npos) {
def += "=";
def += this->EscapeForShell(defineIt->c_str() + eq + 1, true);
}
}
definesString += itemSeparator;
itemSeparator = " ";
definesString += def;
}
}
void cmLocalGenerator::AppendFeatureOptions(std::string& flags,
const std::string& lang,
const char* feature)
{
std::string optVar = "CMAKE_";
optVar += lang;
optVar += "_COMPILE_OPTIONS_";
optVar += feature;
if (const char* optionList = this->Makefile->GetDefinition(optVar)) {
std::vector<std::string> options;
cmSystemTools::ExpandListArgument(optionList, options);
for (std::vector<std::string>::const_iterator oi = options.begin();
oi != options.end(); ++oi) {
this->AppendFlagEscape(flags, *oi);
}
}
}
const char* cmLocalGenerator::GetFeature(const std::string& feature,
const std::string& config)
{
std::string featureName = feature;
// TODO: Define accumulation policy for features (prepend, append, replace).
// Currently we always replace.
if (!config.empty()) {
featureName += "_";
featureName += cmSystemTools::UpperCase(config);
}
cmStateSnapshot snp = this->StateSnapshot;
while (snp.IsValid()) {
if (const char* value = snp.GetDirectory().GetProperty(featureName)) {
return value;
}
snp = snp.GetBuildsystemDirectoryParent();
}
return CM_NULLPTR;
}
std::string cmLocalGenerator::GetProjectName() const
{
return this->StateSnapshot.GetProjectName();
}
std::string cmLocalGenerator::ConstructComment(
cmCustomCommandGenerator const& ccg, const char* default_comment)
{
// Check for a comment provided with the command.
if (ccg.GetComment()) {
return ccg.GetComment();
}
// Construct a reasonable default comment if possible.
if (!ccg.GetOutputs().empty()) {
std::string comment;
comment = "Generating ";
const char* sep = "";
std::string currentBinaryDir = this->GetCurrentBinaryDirectory();
for (std::vector<std::string>::const_iterator o = ccg.GetOutputs().begin();
o != ccg.GetOutputs().end(); ++o) {
comment += sep;
comment += this->ConvertToRelativePath(currentBinaryDir, *o);
sep = ", ";
}
return comment;
}
// Otherwise use the provided default.
return default_comment;
}
class cmInstallTargetGeneratorLocal : public cmInstallTargetGenerator
{
public:
cmInstallTargetGeneratorLocal(cmLocalGenerator* lg, std::string const& t,
const char* dest, bool implib)
: cmInstallTargetGenerator(
t, dest, implib, "", std::vector<std::string>(), "Unspecified",
cmInstallGenerator::SelectMessageLevel(lg->GetMakefile()), false,
false)
{
this->Compute(lg);
}
};
void cmLocalGenerator::GenerateTargetInstallRules(
std::ostream& os, const std::string& config,
std::vector<std::string> const& configurationTypes)
{
// Convert the old-style install specification from each target to
// an install generator and run it.
std::vector<cmGeneratorTarget*> tgts = this->GetGeneratorTargets();
for (std::vector<cmGeneratorTarget*>::iterator l = tgts.begin();
l != tgts.end(); ++l) {
if ((*l)->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
continue;
}
// Include the user-specified pre-install script for this target.
if (const char* preinstall = (*l)->GetProperty("PRE_INSTALL_SCRIPT")) {
cmInstallScriptGenerator g(preinstall, false, CM_NULLPTR, false);
g.Generate(os, config, configurationTypes);
}
// Install this target if a destination is given.
if ((*l)->Target->GetInstallPath() != "") {
// Compute the full install destination. Note that converting
// to unix slashes also removes any trailing slash.
// We also skip over the leading slash given by the user.
std::string destination = (*l)->Target->GetInstallPath().substr(1);
cmSystemTools::ConvertToUnixSlashes(destination);
if (destination.empty()) {
destination = ".";
}
// Generate the proper install generator for this target type.
switch ((*l)->GetType()) {
case cmStateEnums::EXECUTABLE:
case cmStateEnums::STATIC_LIBRARY:
case cmStateEnums::MODULE_LIBRARY: {
// Use a target install generator.
cmInstallTargetGeneratorLocal g(this, (*l)->GetName(),
destination.c_str(), false);
g.Generate(os, config, configurationTypes);
} break;
case cmStateEnums::SHARED_LIBRARY: {
#if defined(_WIN32) || defined(__CYGWIN__)
// Special code to handle DLL. Install the import library
// to the normal destination and the DLL to the runtime
// destination.
cmInstallTargetGeneratorLocal g1(this, (*l)->GetName(),
destination.c_str(), true);
g1.Generate(os, config, configurationTypes);
// We also skip over the leading slash given by the user.
destination = (*l)->Target->GetRuntimeInstallPath().substr(1);
cmSystemTools::ConvertToUnixSlashes(destination);
cmInstallTargetGeneratorLocal g2(this, (*l)->GetName(),
destination.c_str(), false);
g2.Generate(os, config, configurationTypes);
#else
// Use a target install generator.
cmInstallTargetGeneratorLocal g(this, (*l)->GetName(),
destination.c_str(), false);
g.Generate(os, config, configurationTypes);
#endif
} break;
default:
break;
}
}
// Include the user-specified post-install script for this target.
if (const char* postinstall = (*l)->GetProperty("POST_INSTALL_SCRIPT")) {
cmInstallScriptGenerator g(postinstall, false, CM_NULLPTR, false);
g.Generate(os, config, configurationTypes);
}
}
}
#if defined(CM_LG_ENCODE_OBJECT_NAMES)
static bool cmLocalGeneratorShortenObjectName(std::string& objName,
std::string::size_type max_len)
{
// Replace the beginning of the path portion of the object name with
// its own md5 sum.
std::string::size_type pos =
objName.find('/', objName.size() - max_len + 32);
if (pos != objName.npos) {
cmCryptoHash md5(cmCryptoHash::AlgoMD5);
std::string md5name = md5.HashString(objName.substr(0, pos));
md5name += objName.substr(pos);
objName = md5name;
// The object name is now short enough.
return true;
}
// The object name could not be shortened enough.
return false;
}
bool cmLocalGeneratorCheckObjectName(std::string& objName,
std::string::size_type dir_len,
std::string::size_type max_total_len)
{
// Enforce the maximum file name length if possible.
std::string::size_type max_obj_len = max_total_len;
if (dir_len < max_total_len) {
max_obj_len = max_total_len - dir_len;
if (objName.size() > max_obj_len) {
// The current object file name is too long. Try to shorten it.
return cmLocalGeneratorShortenObjectName(objName, max_obj_len);
}
// The object file name is short enough.
return true;
}
// The build directory in which the object will be stored is
// already too deep.
return false;
}
#endif
std::string& cmLocalGenerator::CreateSafeUniqueObjectFileName(
const std::string& sin, std::string const& dir_max)
{
// Look for an existing mapped name for this object file.
std::map<std::string, std::string>::iterator it =
this->UniqueObjectNamesMap.find(sin);
// If no entry exists create one.
if (it == this->UniqueObjectNamesMap.end()) {
// Start with the original name.
std::string ssin = sin;
// Avoid full paths by removing leading slashes.
ssin.erase(0, ssin.find_first_not_of('/'));
// Avoid full paths by removing colons.
std::replace(ssin.begin(), ssin.end(), ':', '_');
// Avoid relative paths that go up the tree.
cmSystemTools::ReplaceString(ssin, "../", "__/");
// Avoid spaces.
std::replace(ssin.begin(), ssin.end(), ' ', '_');
// Mangle the name if necessary.
if (this->Makefile->IsOn("CMAKE_MANGLE_OBJECT_FILE_NAMES")) {
bool done;
int cc = 0;
char rpstr[100];
sprintf(rpstr, "_p_");
cmSystemTools::ReplaceString(ssin, "+", rpstr);
std::string sssin = sin;
do {
done = true;
for (it = this->UniqueObjectNamesMap.begin();
it != this->UniqueObjectNamesMap.end(); ++it) {
if (it->second == ssin) {
done = false;
}
}
if (done) {
break;
}
sssin = ssin;
cmSystemTools::ReplaceString(ssin, "_p_", rpstr);
sprintf(rpstr, "_p%d_", cc++);
} while (!done);
}
#if defined(CM_LG_ENCODE_OBJECT_NAMES)
if (!cmLocalGeneratorCheckObjectName(ssin, dir_max.size(),
this->ObjectPathMax)) {
// Warn if this is the first time the path has been seen.
if (this->ObjectMaxPathViolations.insert(dir_max).second) {
std::ostringstream m;
/* clang-format off */
m << "The object file directory\n"
<< " " << dir_max << "\n"
<< "has " << dir_max.size() << " characters. "
<< "The maximum full path to an object file is "
<< this->ObjectPathMax << " characters "
<< "(see CMAKE_OBJECT_PATH_MAX). "
<< "Object file\n"
<< " " << ssin << "\n"
<< "cannot be safely placed under this directory. "
<< "The build may not work correctly.";
/* clang-format on */
this->IssueMessage(cmake::WARNING, m.str());
}
}
#else
(void)dir_max;
#endif
// Insert the newly mapped object file name.
std::map<std::string, std::string>::value_type e(sin, ssin);
it = this->UniqueObjectNamesMap.insert(e).first;
}
// Return the map entry.
return it->second;
}
void cmLocalGenerator::ComputeObjectFilenames(
std::map<cmSourceFile const*, std::string>& /*unused*/,
cmGeneratorTarget const* /*unused*/)
{
}
bool cmLocalGenerator::IsWindowsShell() const
{
return this->GetState()->UseWindowsShell();
}
bool cmLocalGenerator::IsWatcomWMake() const
{
return this->GetState()->UseWatcomWMake();
}
bool cmLocalGenerator::IsMinGWMake() const
{
return this->GetState()->UseMinGWMake();
}
bool cmLocalGenerator::IsNMake() const
{
return this->GetState()->UseNMake();
}
std::string cmLocalGenerator::GetObjectFileNameWithoutTarget(
const cmSourceFile& source, std::string const& dir_max,
bool* hasSourceExtension)
{
// Construct the object file name using the full path to the source
// file which is its only unique identification.
const char* fullPath = source.GetFullPath().c_str();
// Try referencing the source relative to the source tree.
std::string relFromSource =
this->ConvertToRelativePath(this->GetCurrentSourceDirectory(), fullPath);
assert(!relFromSource.empty());
bool relSource = !cmSystemTools::FileIsFullPath(relFromSource.c_str());
bool subSource = relSource && relFromSource[0] != '.';
// Try referencing the source relative to the binary tree.
std::string relFromBinary =
this->ConvertToRelativePath(this->GetCurrentBinaryDirectory(), fullPath);
assert(!relFromBinary.empty());
bool relBinary = !cmSystemTools::FileIsFullPath(relFromBinary.c_str());
bool subBinary = relBinary && relFromBinary[0] != '.';
// Select a nice-looking reference to the source file to construct
// the object file name.
std::string objectName;
if ((relSource && !relBinary) || (subSource && !subBinary)) {
objectName = relFromSource;
} else if ((relBinary && !relSource) || (subBinary && !subSource)) {
objectName = relFromBinary;
} else if (relFromBinary.length() < relFromSource.length()) {
objectName = relFromBinary;
} else {
objectName = relFromSource;
}
// if it is still a full path check for the try compile case
// try compile never have in source sources, and should not
// have conflicting source file names in the same target
if (cmSystemTools::FileIsFullPath(objectName.c_str())) {
if (this->GetGlobalGenerator()->GetCMakeInstance()->GetIsInTryCompile()) {
objectName = cmSystemTools::GetFilenameName(source.GetFullPath());
}
}
// Replace the original source file extension with the object file
// extension.
bool keptSourceExtension = true;
if (!source.GetPropertyAsBool("KEEP_EXTENSION")) {
// Decide whether this language wants to replace the source
// extension with the object extension. For CMake 2.4
// compatibility do this by default.
bool replaceExt = this->NeedBackwardsCompatibility_2_4();
if (!replaceExt) {
std::string lang = source.GetLanguage();
if (!lang.empty()) {
std::string repVar = "CMAKE_";
repVar += lang;
repVar += "_OUTPUT_EXTENSION_REPLACE";
replaceExt = this->Makefile->IsOn(repVar);
}
}
// Remove the source extension if it is to be replaced.
if (replaceExt) {
keptSourceExtension = false;
std::string::size_type dot_pos = objectName.rfind('.');
if (dot_pos != std::string::npos) {
objectName = objectName.substr(0, dot_pos);
}
}
// Store the new extension.
objectName += this->GlobalGenerator->GetLanguageOutputExtension(source);
}
if (hasSourceExtension) {
*hasSourceExtension = keptSourceExtension;
}
// Convert to a safe name.
return this->CreateSafeUniqueObjectFileName(objectName, dir_max);
}
std::string cmLocalGenerator::GetSourceFileLanguage(const cmSourceFile& source)
{
return source.GetLanguage();
}
cmake* cmLocalGenerator::GetCMakeInstance() const
{
return this->GlobalGenerator->GetCMakeInstance();
}
const char* cmLocalGenerator::GetSourceDirectory() const
{
return this->GetCMakeInstance()->GetHomeDirectory();
}
const char* cmLocalGenerator::GetBinaryDirectory() const
{
return this->GetCMakeInstance()->GetHomeOutputDirectory();
}
const char* cmLocalGenerator::GetCurrentBinaryDirectory() const
{
return this->StateSnapshot.GetDirectory().GetCurrentBinary();
}
const char* cmLocalGenerator::GetCurrentSourceDirectory() const
{
return this->StateSnapshot.GetDirectory().GetCurrentSource();
}
std::string cmLocalGenerator::GetTargetDirectory(
const cmGeneratorTarget* /*unused*/) const
{
cmSystemTools::Error("GetTargetDirectory"
" called on cmLocalGenerator");
return "";
}
KWIML_INT_uint64_t cmLocalGenerator::GetBackwardsCompatibility()
{
// The computed version may change until the project is fully
// configured.
if (!this->BackwardsCompatibilityFinal) {
unsigned int major = 0;
unsigned int minor = 0;
unsigned int patch = 0;
if (const char* value =
this->Makefile->GetDefinition("CMAKE_BACKWARDS_COMPATIBILITY")) {
switch (sscanf(value, "%u.%u.%u", &major, &minor, &patch)) {
case 2:
patch = 0;
break;
case 1:
minor = 0;
patch = 0;
break;
default:
break;
}
}
this->BackwardsCompatibility = CMake_VERSION_ENCODE(major, minor, patch);
this->BackwardsCompatibilityFinal = true;
}
return this->BackwardsCompatibility;
}
bool cmLocalGenerator::NeedBackwardsCompatibility_2_4()
{
// Check the policy to decide whether to pay attention to this
// variable.
switch (this->GetPolicyStatus(cmPolicies::CMP0001)) {
case cmPolicies::WARN:
// WARN is just OLD without warning because user code does not
// always affect whether this check is done.
case cmPolicies::OLD:
// Old behavior is to check the variable.
break;
case cmPolicies::NEW:
// New behavior is to ignore the variable.
return false;
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
// This will never be the case because the only way to require
// the setting is to require the user to specify version policy
// 2.6 or higher. Once we add that requirement then this whole
// method can be removed anyway.
return false;
}
// Compatibility is needed if CMAKE_BACKWARDS_COMPATIBILITY is set
// equal to or lower than the given version.
KWIML_INT_uint64_t actual_compat = this->GetBackwardsCompatibility();
return (actual_compat && actual_compat <= CMake_VERSION_ENCODE(2, 4, 255));
}
cmPolicies::PolicyStatus cmLocalGenerator::GetPolicyStatus(
cmPolicies::PolicyID id) const
{
return this->Makefile->GetPolicyStatus(id);
}
bool cmLocalGenerator::CheckDefinition(std::string const& define) const
{
// Many compilers do not support -DNAME(arg)=sdf so we disable it.
std::string::size_type pos = define.find_first_of("(=");
if (pos != std::string::npos) {
if (define[pos] == '(') {
std::ostringstream e;
/* clang-format off */
e << "WARNING: Function-style preprocessor definitions may not be "
<< "passed on the compiler command line because many compilers "
<< "do not support it.\n"
<< "CMake is dropping a preprocessor definition: " << define << "\n"
<< "Consider defining the macro in a (configured) header file.\n";
/* clang-format on */
cmSystemTools::Message(e.str().c_str());
return false;
}
}
// Many compilers do not support # in the value so we disable it.
if (define.find_first_of('#') != define.npos) {
std::ostringstream e;
/* clang-format off */
e << "WARNING: Preprocessor definitions containing '#' may not be "
<< "passed on the compiler command line because many compilers "
<< "do not support it.\n"
<< "CMake is dropping a preprocessor definition: " << define << "\n"
<< "Consider defining the macro in a (configured) header file.\n";
/* clang-format on */
cmSystemTools::Message(e.str().c_str());
return false;
}
// Assume it is supported.
return true;
}
static void cmLGInfoProp(cmMakefile* mf, cmGeneratorTarget* target,
const std::string& prop)
{
if (const char* val = target->GetProperty(prop)) {
mf->AddDefinition(prop, val);
}
}
void cmLocalGenerator::GenerateAppleInfoPList(cmGeneratorTarget* target,
const std::string& targetName,
const char* fname)
{
// Find the Info.plist template.
const char* in = target->GetProperty("MACOSX_BUNDLE_INFO_PLIST");
std::string inFile = (in && *in) ? in : "MacOSXBundleInfo.plist.in";
if (!cmSystemTools::FileIsFullPath(inFile.c_str())) {
std::string inMod = this->Makefile->GetModulesFile(inFile.c_str());
if (!inMod.empty()) {
inFile = inMod;
}
}
if (!cmSystemTools::FileExists(inFile.c_str(), true)) {
std::ostringstream e;
e << "Target " << target->GetName() << " Info.plist template \"" << inFile
<< "\" could not be found.";
cmSystemTools::Error(e.str().c_str());
return;
}
// Convert target properties to variables in an isolated makefile
// scope to configure the file. If properties are set they will
// override user make variables. If not the configuration will fall
// back to the directory-level values set by the user.
cmMakefile* mf = this->Makefile;
cmMakefile::ScopePushPop varScope(mf);
mf->AddDefinition("MACOSX_BUNDLE_EXECUTABLE_NAME", targetName.c_str());
cmLGInfoProp(mf, target, "MACOSX_BUNDLE_INFO_STRING");
cmLGInfoProp(mf, target, "MACOSX_BUNDLE_ICON_FILE");
cmLGInfoProp(mf, target, "MACOSX_BUNDLE_GUI_IDENTIFIER");
cmLGInfoProp(mf, target, "MACOSX_BUNDLE_LONG_VERSION_STRING");
cmLGInfoProp(mf, target, "MACOSX_BUNDLE_BUNDLE_NAME");
cmLGInfoProp(mf, target, "MACOSX_BUNDLE_SHORT_VERSION_STRING");
cmLGInfoProp(mf, target, "MACOSX_BUNDLE_BUNDLE_VERSION");
cmLGInfoProp(mf, target, "MACOSX_BUNDLE_COPYRIGHT");
mf->ConfigureFile(inFile.c_str(), fname, false, false, false);
}
void cmLocalGenerator::GenerateFrameworkInfoPList(
cmGeneratorTarget* target, const std::string& targetName, const char* fname)
{
// Find the Info.plist template.
const char* in = target->GetProperty("MACOSX_FRAMEWORK_INFO_PLIST");
std::string inFile = (in && *in) ? in : "MacOSXFrameworkInfo.plist.in";
if (!cmSystemTools::FileIsFullPath(inFile.c_str())) {
std::string inMod = this->Makefile->GetModulesFile(inFile.c_str());
if (!inMod.empty()) {
inFile = inMod;
}
}
if (!cmSystemTools::FileExists(inFile.c_str(), true)) {
std::ostringstream e;
e << "Target " << target->GetName() << " Info.plist template \"" << inFile
<< "\" could not be found.";
cmSystemTools::Error(e.str().c_str());
return;
}
// Convert target properties to variables in an isolated makefile
// scope to configure the file. If properties are set they will
// override user make variables. If not the configuration will fall
// back to the directory-level values set by the user.
cmMakefile* mf = this->Makefile;
cmMakefile::ScopePushPop varScope(mf);
mf->AddDefinition("MACOSX_FRAMEWORK_NAME", targetName.c_str());
cmLGInfoProp(mf, target, "MACOSX_FRAMEWORK_ICON_FILE");
cmLGInfoProp(mf, target, "MACOSX_FRAMEWORK_IDENTIFIER");
cmLGInfoProp(mf, target, "MACOSX_FRAMEWORK_SHORT_VERSION_STRING");
cmLGInfoProp(mf, target, "MACOSX_FRAMEWORK_BUNDLE_VERSION");
mf->ConfigureFile(inFile.c_str(), fname, false, false, false);
}
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