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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 "cmAlgorithms.h"
#include "cmDocumentationEntry.h" // IWYU pragma: keep
#include "cmGlobalGenerator.h"
#include "cmMakefile.h"
#include "cmState.h"
#include "cmStateTypes.h"
#include "cmSystemTools.h"
#include "cmake.h"
#include "cmcmd.h"
#ifdef CMAKE_BUILD_WITH_CMAKE
# include "cmDocumentation.h"
# include "cmDynamicLoader.h"
#endif
#include "cm_uv.h"
#include "cmsys/Encoding.hxx"
#if defined(_WIN32) && defined(CMAKE_BUILD_WITH_CMAKE)
# include "cmsys/ConsoleBuf.hxx"
#endif
#include <cassert>
#include <climits>
#include <ctype.h>
#include <iostream>
#include <string.h>
#include <string>
#include <vector>
#ifdef CMAKE_BUILD_WITH_CMAKE
static const char* cmDocumentationName[][2] = {
{ nullptr, " cmake - Cross-Platform Makefile Generator." },
{ nullptr, nullptr }
};
static const char* cmDocumentationUsage[][2] = {
{ nullptr,
" cmake [options] <path-to-source>\n"
" cmake [options] <path-to-existing-build>\n"
" cmake [options] -S <path-to-source> -B <path-to-build>" },
{ nullptr,
"Specify a source directory to (re-)generate a build system for "
"it in the current working directory. Specify an existing build "
"directory to re-generate its build system." },
{ nullptr, nullptr }
};
static const char* cmDocumentationUsageNote[][2] = {
{ nullptr, "Run 'cmake --help' for more information." },
{ nullptr, nullptr }
};
# define CMAKE_BUILD_OPTIONS \
" <dir> = Project binary directory to be built.\n" \
" --parallel [<jobs>], -j [<jobs>]\n" \
" = Build in parallel using the given number of jobs. \n" \
" If <jobs> is omitted the native build tool's \n" \
" default number is used.\n" \
" The CMAKE_BUILD_PARALLEL_LEVEL environment " \
"variable\n" \
" specifies a default parallel level when this " \
"option\n" \
" is not given.\n" \
" --target <tgt>..., -t <tgt>... \n" \
" = Build <tgt> instead of default targets.\n" \
" --config <cfg> = For multi-configuration tools, choose <cfg>.\n" \
" --clean-first = Build target 'clean' first, then build.\n" \
" (To clean only, use --target 'clean'.)\n" \
" --verbose, -v = Enable verbose output - if supported - including\n" \
" the build commands to be executed. \n" \
" -- = Pass remaining options to the native tool.\n"
# define CMAKE_INSTALL_OPTIONS \
" <dir> = Project binary directory to install.\n" \
" --config <cfg> = For multi-configuration tools, choose <cfg>.\n" \
" --component <comp> = Component-based install. Only install <comp>.\n" \
" --prefix <prefix> = The installation prefix CMAKE_INSTALL_PREFIX.\n" \
" --strip = Performing install/strip.\n" \
" -v --verbose = Enable verbose output.\n"
static const char* cmDocumentationOptions[][2] = {
CMAKE_STANDARD_OPTIONS_TABLE,
{ "-E", "CMake command mode." },
{ "-L[A][H]", "List non-advanced cached variables." },
{ "--build <dir>", "Build a CMake-generated project binary tree." },
{ "--install <dir>", "Install a CMake-generated project binary tree." },
{ "--open <dir>", "Open generated project in the associated application." },
{ "-N", "View mode only." },
{ "-P <file>", "Process script mode." },
{ "--find-package", "Run in pkg-config like mode." },
{ "--graphviz=[file]",
"Generate graphviz of dependencies, see "
"CMakeGraphVizOptions.cmake for more." },
{ "--system-information [file]", "Dump information about this system." },
{ "--loglevel=<ERROR|WARNING|NOTICE|STATUS|VERBOSE|DEBUG|TRACE>",
"Set the verbosity of messages from CMake files." },
{ "--debug-trycompile",
"Do not delete the try_compile build tree. Only "
"useful on one try_compile at a time." },
{ "--debug-output", "Put cmake in a debug mode." },
{ "--trace", "Put cmake in trace mode." },
{ "--trace-expand", "Put cmake in trace mode with variable expansion." },
{ "--trace-source=<file>",
"Trace only this CMake file/module. Multiple options allowed." },
{ "--warn-uninitialized", "Warn about uninitialized values." },
{ "--warn-unused-vars", "Warn about unused variables." },
{ "--no-warn-unused-cli", "Don't warn about command line options." },
{ "--check-system-vars",
"Find problems with variable usage in system "
"files." },
{ nullptr, nullptr }
};
#endif
static int do_command(int ac, char const* const* av)
{
std::vector<std::string> args;
args.reserve(ac - 1);
args.emplace_back(av[0]);
cmAppend(args, av + 2, av + ac);
return cmcmd::ExecuteCMakeCommand(args);
}
int do_cmake(int ac, char const* const* av);
static int do_build(int ac, char const* const* av);
static int do_install(int ac, char const* const* av);
static int do_open(int ac, char const* const* av);
static cmMakefile* cmakemainGetMakefile(cmake* cm)
{
if (cm && cm->GetDebugOutput()) {
cmGlobalGenerator* gg = cm->GetGlobalGenerator();
if (gg) {
return gg->GetCurrentMakefile();
}
}
return nullptr;
}
static std::string cmakemainGetStack(cmake* cm)
{
std::string msg;
cmMakefile* mf = cmakemainGetMakefile(cm);
if (mf) {
msg = mf->FormatListFileStack();
if (!msg.empty()) {
msg = "\n Called from: " + msg;
}
}
return msg;
}
static void cmakemainMessageCallback(const std::string& m,
const char* /*unused*/, cmake* cm)
{
std::cerr << m << cmakemainGetStack(cm) << std::endl << std::flush;
}
static void cmakemainProgressCallback(const std::string& m, float prog,
cmake* cm)
{
cmMakefile* mf = cmakemainGetMakefile(cm);
std::string dir;
if (mf && cmHasLiteralPrefix(m, "Configuring") && (prog < 0)) {
dir = " ";
dir += mf->GetCurrentSourceDirectory();
} else if (mf && cmHasLiteralPrefix(m, "Generating")) {
dir = " ";
dir += mf->GetCurrentBinaryDirectory();
}
if ((prog < 0) || (!dir.empty())) {
std::cout << "-- " << m << dir << cmakemainGetStack(cm) << std::endl;
}
std::cout.flush();
}
int main(int ac, char const* const* av)
{
cmSystemTools::EnsureStdPipes();
#if defined(_WIN32) && defined(CMAKE_BUILD_WITH_CMAKE)
// Replace streambuf so we can output Unicode to console
cmsys::ConsoleBuf::Manager consoleOut(std::cout);
consoleOut.SetUTF8Pipes();
cmsys::ConsoleBuf::Manager consoleErr(std::cerr, true);
consoleErr.SetUTF8Pipes();
#endif
cmsys::Encoding::CommandLineArguments args =
cmsys::Encoding::CommandLineArguments::Main(ac, av);
ac = args.argc();
av = args.argv();
cmSystemTools::EnableMSVCDebugHook();
cmSystemTools::InitializeLibUV();
cmSystemTools::FindCMakeResources(av[0]);
if (ac > 1) {
if (strcmp(av[1], "--build") == 0) {
return do_build(ac, av);
}
if (strcmp(av[1], "--install") == 0) {
return do_install(ac, av);
}
if (strcmp(av[1], "--open") == 0) {
return do_open(ac, av);
}
if (strcmp(av[1], "-E") == 0) {
return do_command(ac, av);
}
}
int ret = do_cmake(ac, av);
#ifdef CMAKE_BUILD_WITH_CMAKE
cmDynamicLoader::FlushCache();
#endif
uv_loop_close(uv_default_loop());
return ret;
}
int do_cmake(int ac, char const* const* av)
{
if (cmSystemTools::GetCurrentWorkingDirectory().empty()) {
std::cerr << "Current working directory cannot be established."
<< std::endl;
return 1;
}
#ifdef CMAKE_BUILD_WITH_CMAKE
cmDocumentation doc;
doc.addCMakeStandardDocSections();
if (doc.CheckOptions(ac, av)) {
// Construct and print requested documentation.
cmake hcm(cmake::RoleInternal, cmState::Unknown);
hcm.SetHomeDirectory("");
hcm.SetHomeOutputDirectory("");
hcm.AddCMakePaths();
// the command line args are processed here so that you can do
// -DCMAKE_MODULE_PATH=/some/path and have this value accessible here
std::vector<std::string> args(av, av + ac);
hcm.SetCacheArgs(args);
auto generators = hcm.GetGeneratorsDocumentation();
doc.SetName("cmake");
doc.SetSection("Name", cmDocumentationName);
doc.SetSection("Usage", cmDocumentationUsage);
if (ac == 1) {
doc.AppendSection("Usage", cmDocumentationUsageNote);
}
doc.AppendSection("Generators", generators);
doc.PrependSection("Options", cmDocumentationOptions);
return doc.PrintRequestedDocumentation(std::cout) ? 0 : 1;
}
#else
if (ac == 1) {
std::cout
<< "Bootstrap CMake should not be used outside CMake build process."
<< std::endl;
return 0;
}
#endif
bool sysinfo = false;
bool list_cached = false;
bool list_all_cached = false;
bool list_help = false;
bool view_only = false;
cmake::WorkingMode workingMode = cmake::NORMAL_MODE;
std::vector<std::string> args;
for (int i = 0; i < ac; ++i) {
if (strcmp(av[i], "-i") == 0) {
/* clang-format off */
std::cerr <<
"The \"cmake -i\" wizard mode is no longer supported.\n"
"Use the -D option to set cache values on the command line.\n"
"Use cmake-gui or ccmake for an interactive dialog.\n";
/* clang-format on */
return 1;
}
if (strcmp(av[i], "--system-information") == 0) {
sysinfo = true;
} else if (strcmp(av[i], "-N") == 0) {
view_only = true;
} else if (strcmp(av[i], "-L") == 0) {
list_cached = true;
} else if (strcmp(av[i], "-LA") == 0) {
list_all_cached = true;
} else if (strcmp(av[i], "-LH") == 0) {
list_cached = true;
list_help = true;
} else if (strcmp(av[i], "-LAH") == 0) {
list_all_cached = true;
list_help = true;
} else if (cmHasLiteralPrefix(av[i], "-P")) {
if (i == ac - 1) {
cmSystemTools::Error("No script specified for argument -P");
return 1;
}
workingMode = cmake::SCRIPT_MODE;
args.emplace_back(av[i]);
i++;
args.emplace_back(av[i]);
} else if (cmHasLiteralPrefix(av[i], "--find-package")) {
workingMode = cmake::FIND_PACKAGE_MODE;
args.emplace_back(av[i]);
} else {
args.emplace_back(av[i]);
}
}
if (sysinfo) {
cmake cm(cmake::RoleProject, cmState::Project);
cm.SetHomeDirectory("");
cm.SetHomeOutputDirectory("");
int ret = cm.GetSystemInformation(args);
return ret;
}
cmake::Role const role =
workingMode == cmake::SCRIPT_MODE ? cmake::RoleScript : cmake::RoleProject;
cmState::Mode mode = cmState::Unknown;
switch (workingMode) {
case cmake::NORMAL_MODE:
mode = cmState::Project;
break;
case cmake::SCRIPT_MODE:
mode = cmState::Script;
break;
case cmake::FIND_PACKAGE_MODE:
mode = cmState::FindPackage;
break;
}
cmake cm(role, mode);
cm.SetHomeDirectory("");
cm.SetHomeOutputDirectory("");
cmSystemTools::SetMessageCallback(
[&cm](const std::string& msg, const char* title) {
cmakemainMessageCallback(msg, title, &cm);
});
cm.SetProgressCallback([&cm](const std::string& msg, float prog) {
cmakemainProgressCallback(msg, prog, &cm);
});
cm.SetWorkingMode(workingMode);
int res = cm.Run(args, view_only);
if (list_cached || list_all_cached) {
std::cout << "-- Cache values" << std::endl;
std::vector<std::string> keys = cm.GetState()->GetCacheEntryKeys();
for (std::string const& k : keys) {
cmStateEnums::CacheEntryType t = cm.GetState()->GetCacheEntryType(k);
if (t != cmStateEnums::INTERNAL && t != cmStateEnums::STATIC &&
t != cmStateEnums::UNINITIALIZED) {
const char* advancedProp =
cm.GetState()->GetCacheEntryProperty(k, "ADVANCED");
if (list_all_cached || !advancedProp) {
if (list_help) {
std::cout << "// "
<< cm.GetState()->GetCacheEntryProperty(k, "HELPSTRING")
<< std::endl;
}
std::cout << k << ":" << cmState::CacheEntryTypeToString(t) << "="
<< cm.GetState()->GetCacheEntryValue(k) << std::endl;
if (list_help) {
std::cout << std::endl;
}
}
}
}
}
// Always return a non-negative value. Windows tools do not always
// interpret negative return values as errors.
if (res != 0) {
return 1;
}
return 0;
}
namespace {
int extract_job_number(int& index, char const* current, char const* next,
int len_of_flag)
{
std::string command(current);
std::string jobString = command.substr(len_of_flag);
if (jobString.empty() && next && isdigit(next[0])) {
++index; // skip parsing the job number
jobString = std::string(next);
}
int jobs = -1;
unsigned long numJobs = 0;
if (jobString.empty()) {
jobs = cmake::DEFAULT_BUILD_PARALLEL_LEVEL;
} else if (cmSystemTools::StringToULong(jobString.c_str(), &numJobs)) {
if (numJobs == 0) {
std::cerr
<< "The <jobs> value requires a positive integer argument.\n\n";
} else if (numJobs > INT_MAX) {
std::cerr << "The <jobs> value is too large.\n\n";
} else {
jobs = int(numJobs);
}
} else {
std::cerr << "'" << command.substr(0, len_of_flag) << "' invalid number '"
<< jobString << "' given.\n\n";
}
return jobs;
}
}
static int do_build(int ac, char const* const* av)
{
#ifndef CMAKE_BUILD_WITH_CMAKE
std::cerr << "This cmake does not support --build\n";
return -1;
#else
int jobs = cmake::NO_BUILD_PARALLEL_LEVEL;
std::vector<std::string> targets;
std::string config = "Debug";
std::string dir;
std::vector<std::string> nativeOptions;
bool cleanFirst = false;
bool foundClean = false;
bool foundNonClean = false;
bool verbose = cmSystemTools::HasEnv("VERBOSE");
enum Doing
{
DoingNone,
DoingDir,
DoingTarget,
DoingConfig,
DoingNative
};
Doing doing = DoingDir;
for (int i = 2; i < ac; ++i) {
if (doing == DoingNative) {
nativeOptions.emplace_back(av[i]);
} else if (cmHasLiteralPrefix(av[i], "-j")) {
const char* nextArg = ((i + 1 < ac) ? av[i + 1] : nullptr);
jobs = extract_job_number(i, av[i], nextArg, sizeof("-j") - 1);
if (jobs < 0) {
dir.clear();
}
doing = DoingNone;
} else if (cmHasLiteralPrefix(av[i], "--parallel")) {
const char* nextArg = ((i + 1 < ac) ? av[i + 1] : nullptr);
jobs = extract_job_number(i, av[i], nextArg, sizeof("--parallel") - 1);
if (jobs < 0) {
dir.clear();
}
doing = DoingNone;
} else if ((strcmp(av[i], "--target") == 0) ||
(strcmp(av[i], "-t") == 0)) {
doing = DoingTarget;
} else if (strcmp(av[i], "--config") == 0) {
doing = DoingConfig;
} else if (strcmp(av[i], "--clean-first") == 0) {
cleanFirst = true;
doing = DoingNone;
} else if ((strcmp(av[i], "--verbose") == 0) ||
(strcmp(av[i], "-v") == 0)) {
verbose = true;
doing = DoingNone;
} else if (strcmp(av[i], "--use-stderr") == 0) {
/* tolerate legacy option */
} else if (strcmp(av[i], "--") == 0) {
doing = DoingNative;
} else {
switch (doing) {
case DoingDir:
dir = cmSystemTools::CollapseFullPath(av[i]);
doing = DoingNone;
break;
case DoingTarget:
if (strlen(av[i]) == 0) {
std::cerr << "Warning: Argument number " << i
<< " after --target option is empty." << std::endl;
} else {
targets.emplace_back(av[i]);
if (strcmp(av[i], "clean") == 0) {
foundClean = true;
} else {
foundNonClean = true;
}
}
if (foundClean && foundNonClean) {
std::cerr << "Error: Building 'clean' and other targets together "
"is not supported."
<< std::endl;
dir.clear();
}
break;
case DoingConfig:
config = av[i];
doing = DoingNone;
break;
default:
std::cerr << "Unknown argument " << av[i] << std::endl;
dir.clear();
break;
}
}
}
if (jobs == cmake::NO_BUILD_PARALLEL_LEVEL) {
std::string parallel;
if (cmSystemTools::GetEnv("CMAKE_BUILD_PARALLEL_LEVEL", parallel)) {
if (parallel.empty()) {
jobs = cmake::DEFAULT_BUILD_PARALLEL_LEVEL;
} else {
unsigned long numJobs = 0;
if (cmSystemTools::StringToULong(parallel.c_str(), &numJobs)) {
if (numJobs == 0) {
std::cerr << "The CMAKE_BUILD_PARALLEL_LEVEL environment variable "
"requires a positive integer argument.\n\n";
dir.clear();
} else if (numJobs > INT_MAX) {
std::cerr << "The CMAKE_BUILD_PARALLEL_LEVEL environment variable "
"is too large.\n\n";
dir.clear();
} else {
jobs = int(numJobs);
}
} else {
std::cerr << "'CMAKE_BUILD_PARALLEL_LEVEL' environment variable\n"
<< "invalid number '" << parallel << "' given.\n\n";
dir.clear();
}
}
}
}
if (dir.empty()) {
/* clang-format off */
std::cerr <<
"Usage: cmake --build <dir> [options] [-- [native-options]]\n"
"Options:\n"
CMAKE_BUILD_OPTIONS
;
/* clang-format on */
return 1;
}
cmake cm(cmake::RoleInternal, cmState::Project);
cmSystemTools::SetMessageCallback(
[&cm](const std::string& msg, const char* title) {
cmakemainMessageCallback(msg, title, &cm);
});
cm.SetProgressCallback([&cm](const std::string& msg, float prog) {
cmakemainProgressCallback(msg, prog, &cm);
});
return cm.Build(jobs, dir, targets, config, nativeOptions, cleanFirst,
verbose);
#endif
}
static int do_install(int ac, char const* const* av)
{
#ifndef CMAKE_BUILD_WITH_CMAKE
std::cerr << "This cmake does not support --install\n";
return -1;
#else
assert(1 < ac);
std::string config;
std::string component;
std::string prefix;
std::string dir;
bool strip = false;
bool verbose = cmSystemTools::HasEnv("VERBOSE");
enum Doing
{
DoingNone,
DoingDir,
DoingConfig,
DoingComponent,
DoingPrefix,
};
Doing doing = DoingDir;
for (int i = 2; i < ac; ++i) {
if (strcmp(av[i], "--config") == 0) {
doing = DoingConfig;
} else if (strcmp(av[i], "--component") == 0) {
doing = DoingComponent;
} else if (strcmp(av[i], "--prefix") == 0) {
doing = DoingPrefix;
} else if (strcmp(av[i], "--strip") == 0) {
strip = true;
doing = DoingNone;
} else if ((strcmp(av[i], "--verbose") == 0) ||
(strcmp(av[i], "-v") == 0)) {
verbose = true;
doing = DoingNone;
} else {
switch (doing) {
case DoingDir:
dir = cmSystemTools::CollapseFullPath(av[i]);
doing = DoingNone;
break;
case DoingConfig:
config = av[i];
doing = DoingNone;
break;
case DoingComponent:
component = av[i];
doing = DoingNone;
break;
case DoingPrefix:
prefix = av[i];
doing = DoingNone;
break;
default:
std::cerr << "Unknown argument " << av[i] << std::endl;
dir.clear();
break;
}
}
}
if (dir.empty()) {
std::cerr << "Usage: cmake --install <dir> "
"[options]\nOptions:\n" CMAKE_INSTALL_OPTIONS;
return 1;
}
cmake cm(cmake::RoleScript, cmState::Script);
cmSystemTools::SetMessageCallback(
[&cm](const std::string& msg, const char* title) {
cmakemainMessageCallback(msg, title, &cm);
});
cm.SetProgressCallback([&cm](const std::string& msg, float prog) {
cmakemainProgressCallback(msg, prog, &cm);
});
cm.SetHomeDirectory("");
cm.SetHomeOutputDirectory("");
cm.SetDebugOutputOn(verbose);
cm.SetWorkingMode(cmake::SCRIPT_MODE);
std::vector<std::string> args{ av[0] };
if (!prefix.empty()) {
args.emplace_back("-DCMAKE_INSTALL_PREFIX=" + prefix);
}
if (!component.empty()) {
args.emplace_back("-DCMAKE_INSTALL_COMPONENT=" + component);
}
if (strip) {
args.emplace_back("-DCMAKE_INSTALL_DO_STRIP=1");
}
if (!config.empty()) {
args.emplace_back("-DCMAKE_INSTALL_CONFIG_NAME=" + config);
}
args.emplace_back("-P");
args.emplace_back(dir + "/cmake_install.cmake");
return cm.Run(args) ? 1 : 0;
#endif
}
static int do_open(int ac, char const* const* av)
{
#ifndef CMAKE_BUILD_WITH_CMAKE
std::cerr << "This cmake does not support --open\n";
return -1;
#else
std::string dir;
enum Doing
{
DoingNone,
DoingDir,
};
Doing doing = DoingDir;
for (int i = 2; i < ac; ++i) {
switch (doing) {
case DoingDir:
dir = cmSystemTools::CollapseFullPath(av[i]);
doing = DoingNone;
break;
default:
std::cerr << "Unknown argument " << av[i] << std::endl;
dir.clear();
break;
}
}
if (dir.empty()) {
std::cerr << "Usage: cmake --open <dir>\n";
return 1;
}
cmake cm(cmake::RoleInternal, cmState::Unknown);
cmSystemTools::SetMessageCallback(
[&cm](const std::string& msg, const char* title) {
cmakemainMessageCallback(msg, title, &cm);
});
cm.SetProgressCallback([&cm](const std::string& msg, float prog) {
cmakemainProgressCallback(msg, prog, &cm);
});
return cm.Open(dir, false) ? 0 : 1;
#endif
}