mirror of
https://github.com/reactos/CMake.git
synced 2024-12-04 17:56:26 +00:00
253 lines
8.5 KiB
C++
253 lines
8.5 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#include "cmProjectCommand.h"
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#include "cmsys/RegularExpression.hxx"
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#include <sstream>
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#include <stdio.h>
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#include "cmMakefile.h"
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#include "cmPolicies.h"
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#include "cmStateTypes.h"
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#include "cmSystemTools.h"
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#include "cmake.h"
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class cmExecutionStatus;
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// cmProjectCommand
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bool cmProjectCommand::InitialPass(std::vector<std::string> const& args,
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cmExecutionStatus&)
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{
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if (args.empty()) {
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this->SetError("PROJECT called with incorrect number of arguments");
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return false;
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}
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std::string const& projectName = args[0];
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this->Makefile->SetProjectName(projectName);
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std::string bindir = projectName;
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bindir += "_BINARY_DIR";
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std::string srcdir = projectName;
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srcdir += "_SOURCE_DIR";
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this->Makefile->AddCacheDefinition(
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bindir, this->Makefile->GetCurrentBinaryDirectory(),
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"Value Computed by CMake", cmStateEnums::STATIC);
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this->Makefile->AddCacheDefinition(
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srcdir, this->Makefile->GetCurrentSourceDirectory(),
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"Value Computed by CMake", cmStateEnums::STATIC);
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bindir = "PROJECT_BINARY_DIR";
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srcdir = "PROJECT_SOURCE_DIR";
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this->Makefile->AddDefinition(bindir,
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this->Makefile->GetCurrentBinaryDirectory());
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this->Makefile->AddDefinition(srcdir,
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this->Makefile->GetCurrentSourceDirectory());
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this->Makefile->AddDefinition("PROJECT_NAME", projectName.c_str());
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// Set the CMAKE_PROJECT_NAME variable to be the highest-level
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// project name in the tree. If there are two project commands
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// in the same CMakeLists.txt file, and it is the top level
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// CMakeLists.txt file, then go with the last one, so that
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// CMAKE_PROJECT_NAME will match PROJECT_NAME, and cmake --build
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// will work.
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if (!this->Makefile->GetDefinition("CMAKE_PROJECT_NAME") ||
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(this->Makefile->IsRootMakefile())) {
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this->Makefile->AddDefinition("CMAKE_PROJECT_NAME", projectName.c_str());
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this->Makefile->AddCacheDefinition(
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"CMAKE_PROJECT_NAME", projectName.c_str(), "Value Computed by CMake",
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cmStateEnums::STATIC);
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}
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bool haveVersion = false;
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bool haveLanguages = false;
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bool haveDescription = false;
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std::string version;
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std::string description;
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std::vector<std::string> languages;
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enum Doing
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{
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DoingDescription,
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DoingLanguages,
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DoingVersion
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};
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Doing doing = DoingLanguages;
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for (size_t i = 1; i < args.size(); ++i) {
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if (args[i] == "LANGUAGES") {
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if (haveLanguages) {
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this->Makefile->IssueMessage(
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cmake::FATAL_ERROR, "LANGUAGES may be specified at most once.");
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cmSystemTools::SetFatalErrorOccured();
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return true;
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}
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haveLanguages = true;
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doing = DoingLanguages;
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} else if (args[i] == "VERSION") {
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if (haveVersion) {
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this->Makefile->IssueMessage(cmake::FATAL_ERROR,
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"VERSION may be specified at most once.");
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cmSystemTools::SetFatalErrorOccured();
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return true;
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}
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haveVersion = true;
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doing = DoingVersion;
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} else if (args[i] == "DESCRIPTION") {
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if (haveDescription) {
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this->Makefile->IssueMessage(
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cmake::FATAL_ERROR, "DESCRIPTION may be specified at most once.");
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cmSystemTools::SetFatalErrorOccured();
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return true;
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}
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haveDescription = true;
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doing = DoingDescription;
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} else if (doing == DoingVersion) {
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doing = DoingLanguages;
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version = args[i];
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} else if (doing == DoingDescription) {
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doing = DoingLanguages;
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description = args[i];
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} else // doing == DoingLanguages
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{
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languages.push_back(args[i]);
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}
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}
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if (haveVersion && !haveLanguages && !languages.empty()) {
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this->Makefile->IssueMessage(
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cmake::FATAL_ERROR,
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"project with VERSION must use LANGUAGES before language names.");
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cmSystemTools::SetFatalErrorOccured();
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return true;
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}
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if (haveLanguages && languages.empty()) {
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languages.push_back("NONE");
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}
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cmPolicies::PolicyStatus cmp0048 =
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this->Makefile->GetPolicyStatus(cmPolicies::CMP0048);
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if (haveVersion) {
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// Set project VERSION variables to given values
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if (cmp0048 == cmPolicies::OLD || cmp0048 == cmPolicies::WARN) {
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this->Makefile->IssueMessage(
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cmake::FATAL_ERROR,
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"VERSION not allowed unless CMP0048 is set to NEW");
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cmSystemTools::SetFatalErrorOccured();
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return true;
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}
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cmsys::RegularExpression vx(
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"^([0-9]+(\\.[0-9]+(\\.[0-9]+(\\.[0-9]+)?)?)?)?$");
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if (!vx.find(version)) {
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std::string e = "VERSION \"" + version + "\" format invalid.";
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this->Makefile->IssueMessage(cmake::FATAL_ERROR, e);
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cmSystemTools::SetFatalErrorOccured();
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return true;
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}
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std::string vs;
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const char* sep = "";
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char vb[4][64];
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unsigned int v[4] = { 0, 0, 0, 0 };
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int vc =
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sscanf(version.c_str(), "%u.%u.%u.%u", &v[0], &v[1], &v[2], &v[3]);
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for (int i = 0; i < 4; ++i) {
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if (i < vc) {
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sprintf(vb[i], "%u", v[i]);
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vs += sep;
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vs += vb[i];
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sep = ".";
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} else {
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vb[i][0] = 0;
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}
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}
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std::string vv;
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vv = projectName + "_VERSION";
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this->Makefile->AddDefinition("PROJECT_VERSION", vs.c_str());
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this->Makefile->AddDefinition(vv, vs.c_str());
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vv = projectName + "_VERSION_MAJOR";
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this->Makefile->AddDefinition("PROJECT_VERSION_MAJOR", vb[0]);
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this->Makefile->AddDefinition(vv, vb[0]);
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vv = projectName + "_VERSION_MINOR";
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this->Makefile->AddDefinition("PROJECT_VERSION_MINOR", vb[1]);
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this->Makefile->AddDefinition(vv, vb[1]);
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vv = projectName + "_VERSION_PATCH";
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this->Makefile->AddDefinition("PROJECT_VERSION_PATCH", vb[2]);
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this->Makefile->AddDefinition(vv, vb[2]);
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vv = projectName + "_VERSION_TWEAK";
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this->Makefile->AddDefinition("PROJECT_VERSION_TWEAK", vb[3]);
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this->Makefile->AddDefinition(vv, vb[3]);
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} else if (cmp0048 != cmPolicies::OLD) {
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// Set project VERSION variables to empty
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std::vector<std::string> vv;
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vv.push_back("PROJECT_VERSION");
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vv.push_back("PROJECT_VERSION_MAJOR");
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vv.push_back("PROJECT_VERSION_MINOR");
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vv.push_back("PROJECT_VERSION_PATCH");
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vv.push_back("PROJECT_VERSION_TWEAK");
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vv.push_back(projectName + "_VERSION");
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vv.push_back(projectName + "_VERSION_MAJOR");
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vv.push_back(projectName + "_VERSION_MINOR");
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vv.push_back(projectName + "_VERSION_PATCH");
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vv.push_back(projectName + "_VERSION_TWEAK");
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std::string vw;
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for (std::string const& i : vv) {
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const char* v = this->Makefile->GetDefinition(i);
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if (v && *v) {
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if (cmp0048 == cmPolicies::WARN) {
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vw += "\n ";
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vw += i;
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} else {
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this->Makefile->AddDefinition(i, "");
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}
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}
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}
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if (!vw.empty()) {
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std::ostringstream w;
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w << cmPolicies::GetPolicyWarning(cmPolicies::CMP0048)
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<< "\nThe following variable(s) would be set to empty:" << vw;
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this->Makefile->IssueMessage(cmake::AUTHOR_WARNING, w.str());
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}
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}
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if (haveDescription) {
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this->Makefile->AddDefinition("PROJECT_DESCRIPTION", description.c_str());
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// Set the CMAKE_PROJECT_DESCRIPTION variable to be the highest-level
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// project name in the tree. If there are two project commands
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// in the same CMakeLists.txt file, and it is the top level
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// CMakeLists.txt file, then go with the last one.
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if (!this->Makefile->GetDefinition("CMAKE_PROJECT_DESCRIPTION") ||
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(this->Makefile->IsRootMakefile())) {
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this->Makefile->AddDefinition("CMAKE_PROJECT_DESCRIPTION",
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description.c_str());
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this->Makefile->AddCacheDefinition(
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"CMAKE_PROJECT_DESCRIPTION", description.c_str(),
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"Value Computed by CMake", cmStateEnums::STATIC);
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}
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}
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if (languages.empty()) {
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// if no language is specified do c and c++
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languages.push_back("C");
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languages.push_back("CXX");
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}
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this->Makefile->EnableLanguage(languages, false);
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std::string extraInclude = "CMAKE_PROJECT_" + projectName + "_INCLUDE";
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const char* include = this->Makefile->GetDefinition(extraInclude);
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if (include) {
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bool readit = this->Makefile->ReadDependentFile(include);
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if (!readit && !cmSystemTools::GetFatalErrorOccured()) {
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std::string m = "could not find file:\n"
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" ";
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m += include;
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this->SetError(m);
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return false;
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}
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}
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return true;
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}
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