400 lines
12 KiB
C++
400 lines
12 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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// include these first, otherwise there will be problems on Windows
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// with GetCurrentDirectory() being redefined
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#ifdef CMAKE_BUILD_WITH_CMAKE
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#include "cmDocumentation.h"
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#include "cmDynamicLoader.h"
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#endif
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#include "cmAlgorithms.h"
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#include "cmGlobalGenerator.h"
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#include "cmListFileCache.h"
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#include "cmLocalGenerator.h"
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#include "cmMakefile.h"
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#include "cmSourceFile.h"
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#include "cmState.h"
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#include "cmake.h"
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#include "cmcmd.h"
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#include <cmsys/Encoding.hxx>
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#ifdef CMAKE_BUILD_WITH_CMAKE
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static const char* cmDocumentationName[][2] = {
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{ CM_NULLPTR, " cmake - Cross-Platform Makefile Generator." },
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{ CM_NULLPTR, CM_NULLPTR }
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};
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static const char* cmDocumentationUsage[][2] = {
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{ CM_NULLPTR, " cmake [options] <path-to-source>\n"
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" cmake [options] <path-to-existing-build>" },
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{ CM_NULLPTR,
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"Specify a source directory to (re-)generate a build system for "
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"it in the current working directory. Specify an existing build "
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"directory to re-generate its build system." },
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{ CM_NULLPTR, CM_NULLPTR }
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};
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static const char* cmDocumentationUsageNote[][2] = {
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{ CM_NULLPTR, "Run 'cmake --help' for more information." },
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{ CM_NULLPTR, CM_NULLPTR }
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};
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#define CMAKE_BUILD_OPTIONS \
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" <dir> = Project binary directory to be built.\n" \
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" --target <tgt> = Build <tgt> instead of default targets.\n" \
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" May only be specified once.\n" \
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" --config <cfg> = For multi-configuration tools, choose <cfg>.\n" \
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" --clean-first = Build target 'clean' first, then build.\n" \
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" (To clean only, use --target 'clean'.)\n" \
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" --use-stderr = Ignored. Behavior is default in CMake >= 3.0.\n" \
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" -- = Pass remaining options to the native tool.\n"
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static const char* cmDocumentationOptions[][2] = {
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CMAKE_STANDARD_OPTIONS_TABLE,
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{ "-E", "CMake command mode." },
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{ "-L[A][H]", "List non-advanced cached variables." },
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{ "--build <dir>", "Build a CMake-generated project binary tree." },
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{ "-N", "View mode only." },
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{ "-P <file>", "Process script mode." },
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{ "--find-package", "Run in pkg-config like mode." },
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{ "--graphviz=[file]", "Generate graphviz of dependencies, see "
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"CMakeGraphVizOptions.cmake for more." },
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{ "--system-information [file]", "Dump information about this system." },
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{ "--debug-trycompile", "Do not delete the try_compile build tree. Only "
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"useful on one try_compile at a time." },
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{ "--debug-output", "Put cmake in a debug mode." },
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{ "--trace", "Put cmake in trace mode." },
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{ "--trace-expand", "Put cmake in trace mode with variable expansion." },
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{ "--trace-source=<file>",
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"Trace only this CMake file/module. Multiple options allowed." },
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{ "--warn-uninitialized", "Warn about uninitialized values." },
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{ "--warn-unused-vars", "Warn about unused variables." },
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{ "--no-warn-unused-cli", "Don't warn about command line options." },
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{ "--check-system-vars", "Find problems with variable usage in system "
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"files." },
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{ CM_NULLPTR, CM_NULLPTR }
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};
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#endif
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static int do_command(int ac, char const* const* av)
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{
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std::vector<std::string> args;
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args.reserve(ac - 1);
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args.push_back(av[0]);
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args.insert(args.end(), av + 2, av + ac);
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return cmcmd::ExecuteCMakeCommand(args);
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}
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int do_cmake(int ac, char const* const* av);
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static int do_build(int ac, char const* const* av);
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static cmMakefile* cmakemainGetMakefile(void* clientdata)
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{
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cmake* cm = (cmake*)clientdata;
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if (cm && cm->GetDebugOutput()) {
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cmGlobalGenerator* gg = cm->GetGlobalGenerator();
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if (gg) {
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return gg->GetCurrentMakefile();
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}
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}
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return CM_NULLPTR;
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}
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static std::string cmakemainGetStack(void* clientdata)
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{
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std::string msg;
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cmMakefile* mf = cmakemainGetMakefile(clientdata);
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if (mf) {
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msg = mf->FormatListFileStack();
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if (!msg.empty()) {
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msg = "\n Called from: " + msg;
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}
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}
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return msg;
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}
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static void cmakemainMessageCallback(const char* m, const char* /*unused*/,
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bool& /*unused*/, void* clientdata)
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{
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std::cerr << m << cmakemainGetStack(clientdata) << std::endl << std::flush;
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}
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static void cmakemainProgressCallback(const char* m, float prog,
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void* clientdata)
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{
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cmMakefile* mf = cmakemainGetMakefile(clientdata);
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std::string dir;
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if ((mf) && (strstr(m, "Configuring") == m) && (prog < 0)) {
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dir = " ";
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dir += mf->GetCurrentSourceDirectory();
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} else if ((mf) && (strstr(m, "Generating") == m)) {
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dir = " ";
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dir += mf->GetCurrentBinaryDirectory();
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}
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if ((prog < 0) || (!dir.empty())) {
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std::cout << "-- " << m << dir << cmakemainGetStack(clientdata)
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<< std::endl;
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}
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std::cout.flush();
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}
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int main(int ac, char const* const* av)
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{
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cmsys::Encoding::CommandLineArguments args =
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cmsys::Encoding::CommandLineArguments::Main(ac, av);
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ac = args.argc();
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av = args.argv();
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cmSystemTools::EnableMSVCDebugHook();
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cmSystemTools::FindCMakeResources(av[0]);
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if (ac > 1) {
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if (strcmp(av[1], "--build") == 0) {
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return do_build(ac, av);
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} else if (strcmp(av[1], "-E") == 0) {
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return do_command(ac, av);
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}
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}
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int ret = do_cmake(ac, av);
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#ifdef CMAKE_BUILD_WITH_CMAKE
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cmDynamicLoader::FlushCache();
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#endif
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return ret;
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}
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int do_cmake(int ac, char const* const* av)
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{
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if (cmSystemTools::GetCurrentWorkingDirectory().empty()) {
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std::cerr << "Current working directory cannot be established."
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<< std::endl;
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return 1;
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}
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#ifdef CMAKE_BUILD_WITH_CMAKE
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cmDocumentation doc;
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doc.addCMakeStandardDocSections();
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if (doc.CheckOptions(ac, av)) {
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// Construct and print requested documentation.
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cmake hcm;
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hcm.SetHomeDirectory("");
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hcm.SetHomeOutputDirectory("");
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hcm.AddCMakePaths();
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// the command line args are processed here so that you can do
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// -DCMAKE_MODULE_PATH=/some/path and have this value accessible here
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std::vector<std::string> args(av, av + ac);
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hcm.SetCacheArgs(args);
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std::vector<cmDocumentationEntry> generators;
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hcm.GetGeneratorDocumentation(generators);
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doc.SetName("cmake");
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doc.SetSection("Name", cmDocumentationName);
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doc.SetSection("Usage", cmDocumentationUsage);
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if (ac == 1) {
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doc.AppendSection("Usage", cmDocumentationUsageNote);
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}
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doc.AppendSection("Generators", generators);
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doc.PrependSection("Options", cmDocumentationOptions);
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return doc.PrintRequestedDocumentation(std::cout) ? 0 : 1;
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}
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#else
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if (ac == 1) {
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std::cout
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<< "Bootstrap CMake should not be used outside CMake build process."
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<< std::endl;
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return 0;
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}
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#endif
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bool sysinfo = false;
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bool list_cached = false;
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bool list_all_cached = false;
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bool list_help = false;
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bool view_only = false;
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cmake::WorkingMode workingMode = cmake::NORMAL_MODE;
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std::vector<std::string> args;
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for (int i = 0; i < ac; ++i) {
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if (strcmp(av[i], "-i") == 0) {
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/* clang-format off */
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std::cerr <<
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"The \"cmake -i\" wizard mode is no longer supported.\n"
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"Use the -D option to set cache values on the command line.\n"
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"Use cmake-gui or ccmake for an interactive dialog.\n";
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/* clang-format on */
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return 1;
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} else if (strcmp(av[i], "--system-information") == 0) {
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sysinfo = true;
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} else if (strcmp(av[i], "-N") == 0) {
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view_only = true;
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} else if (strcmp(av[i], "-L") == 0) {
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list_cached = true;
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} else if (strcmp(av[i], "-LA") == 0) {
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list_all_cached = true;
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} else if (strcmp(av[i], "-LH") == 0) {
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list_cached = true;
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list_help = true;
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} else if (strcmp(av[i], "-LAH") == 0) {
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list_all_cached = true;
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list_help = true;
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} else if (cmHasLiteralPrefix(av[i], "-P")) {
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if (i == ac - 1) {
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cmSystemTools::Error("No script specified for argument -P");
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} else {
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workingMode = cmake::SCRIPT_MODE;
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args.push_back(av[i]);
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i++;
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args.push_back(av[i]);
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}
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} else if (cmHasLiteralPrefix(av[i], "--find-package")) {
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workingMode = cmake::FIND_PACKAGE_MODE;
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args.push_back(av[i]);
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} else {
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args.push_back(av[i]);
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}
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}
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if (sysinfo) {
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cmake cm;
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cm.SetHomeDirectory("");
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cm.SetHomeOutputDirectory("");
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int ret = cm.GetSystemInformation(args);
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return ret;
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}
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cmake cm;
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cm.SetHomeDirectory("");
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cm.SetHomeOutputDirectory("");
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cmSystemTools::SetMessageCallback(cmakemainMessageCallback, (void*)&cm);
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cm.SetProgressCallback(cmakemainProgressCallback, (void*)&cm);
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cm.SetWorkingMode(workingMode);
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int res = cm.Run(args, view_only);
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if (list_cached || list_all_cached) {
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std::cout << "-- Cache values" << std::endl;
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std::vector<std::string> keys = cm.GetState()->GetCacheEntryKeys();
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for (std::vector<std::string>::const_iterator it = keys.begin();
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it != keys.end(); ++it) {
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cmState::CacheEntryType t = cm.GetState()->GetCacheEntryType(*it);
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if (t != cmState::INTERNAL && t != cmState::STATIC &&
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t != cmState::UNINITIALIZED) {
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const char* advancedProp =
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cm.GetState()->GetCacheEntryProperty(*it, "ADVANCED");
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if (list_all_cached || !advancedProp) {
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if (list_help) {
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std::cout << "// "
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<< cm.GetState()->GetCacheEntryProperty(*it,
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"HELPSTRING")
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<< std::endl;
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}
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std::cout << *it << ":" << cmState::CacheEntryTypeToString(t) << "="
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<< cm.GetState()->GetCacheEntryValue(*it) << std::endl;
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if (list_help) {
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std::cout << std::endl;
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}
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}
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}
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}
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}
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// Always return a non-negative value. Windows tools do not always
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// interpret negative return values as errors.
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if (res != 0) {
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return 1;
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} else {
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return 0;
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}
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}
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static int do_build(int ac, char const* const* av)
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{
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#ifndef CMAKE_BUILD_WITH_CMAKE
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std::cerr << "This cmake does not support --build\n";
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return -1;
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#else
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std::string target;
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std::string config = "Debug";
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std::string dir;
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std::vector<std::string> nativeOptions;
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bool clean = false;
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bool hasTarget = false;
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enum Doing
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{
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DoingNone,
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DoingDir,
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DoingTarget,
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DoingConfig,
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DoingNative
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};
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Doing doing = DoingDir;
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for (int i = 2; i < ac; ++i) {
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if (doing == DoingNative) {
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nativeOptions.push_back(av[i]);
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} else if (strcmp(av[i], "--target") == 0) {
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if (!hasTarget) {
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doing = DoingTarget;
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hasTarget = true;
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} else {
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std::cerr << "'--target' may not be specified more than once.\n\n";
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dir = "";
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break;
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}
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} else if (strcmp(av[i], "--config") == 0) {
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doing = DoingConfig;
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} else if (strcmp(av[i], "--clean-first") == 0) {
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clean = true;
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doing = DoingNone;
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} else if (strcmp(av[i], "--use-stderr") == 0) {
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/* tolerate legacy option */
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} else if (strcmp(av[i], "--") == 0) {
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doing = DoingNative;
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} else {
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switch (doing) {
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case DoingDir:
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dir = cmSystemTools::CollapseFullPath(av[i]);
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doing = DoingNone;
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break;
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case DoingTarget:
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target = av[i];
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doing = DoingNone;
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break;
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case DoingConfig:
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config = av[i];
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doing = DoingNone;
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break;
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default:
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std::cerr << "Unknown argument " << av[i] << std::endl;
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dir = "";
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break;
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}
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}
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}
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if (dir.empty()) {
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/* clang-format off */
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std::cerr <<
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"Usage: cmake --build <dir> [options] [-- [native-options]]\n"
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"Options:\n"
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CMAKE_BUILD_OPTIONS
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;
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/* clang-format on */
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return 1;
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}
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cmake cm;
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return cm.Build(dir, target, config, nativeOptions, clean);
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#endif
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}
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