[vcpkg] Re-layout all files using new organization scheme.

All filenames and directories are lowercase. Use dots for namespace separation.

63 files changed, 541 insertions, 497 deletions

diff --git a/toolsrc/src/commands_build.cpp b/toolsrc/src/commands_build.cpp
deleted file mode 100644
index a69958058..000000000
--- a/toolsrc/src/commands_build.cpp
+++ /dev/null
@@ -1,102 +0,0 @@
-#include "pch.h"
-
-#include "Paragraphs.h"
-#include "PostBuildLint.h"
-#include "StatusParagraphs.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_Dependencies.h"
-#include "vcpkg_Enums.h"
-#include "vcpkg_Input.h"
-#include "vcpkg_System.h"
-#include "vcpkglib.h"
-
-using vcpkg::Build::BuildResult;
-using vcpkg::Parse::ParseControlErrorInfo;
-using vcpkg::Parse::ParseExpected;
-
-namespace vcpkg::Commands::BuildCommand
-{
-    using Dependencies::InstallPlanAction;
-    using Dependencies::InstallPlanType;
-
-    static const std::string OPTION_CHECKS_ONLY = "--checks-only";
-
-    void perform_and_exit(const FullPackageSpec& full_spec,
-                          const fs::path& port_dir,
-                          const std::unordered_set<std::string>& options,
-                          const VcpkgPaths& paths)
-    {
-        const PackageSpec& spec = full_spec.package_spec;
-        if (options.find(OPTION_CHECKS_ONLY) != options.end())
-        {
-            const auto pre_build_info = Build::PreBuildInfo::from_triplet_file(paths, spec.triplet());
-            const auto build_info = Build::read_build_info(paths.get_filesystem(), paths.build_info_file_path(spec));
-            const size_t error_count = PostBuildLint::perform_all_checks(spec, paths, pre_build_info, build_info);
-            Checks::check_exit(VCPKG_LINE_INFO, error_count == 0);
-            Checks::exit_success(VCPKG_LINE_INFO);
-        }
-
-        const ParseExpected<SourceControlFile> source_control_file =
-            Paragraphs::try_load_port(paths.get_filesystem(), port_dir);
-
-        if (!source_control_file.has_value())
-        {
-            print_error_message(source_control_file.error());
-            Checks::exit_fail(VCPKG_LINE_INFO);
-        }
-
-        for (const std::string& str : full_spec.features)
-        {
-            System::println("%s \n", str);
-        }
-        const auto& scf = source_control_file.value_or_exit(VCPKG_LINE_INFO);
-        Checks::check_exit(VCPKG_LINE_INFO,
-                           spec.name() == scf->core_paragraph->name,
-                           "The Name: field inside the CONTROL does not match the port directory: '%s' != '%s'",
-                           scf->core_paragraph->name,
-                           spec.name());
-
-        const StatusParagraphs status_db = database_load_check(paths);
-        const Build::BuildPackageOptions build_package_options{Build::UseHeadVersion::NO, Build::AllowDownloads::YES};
-
-        const Build::BuildPackageConfig build_config{
-            *scf->core_paragraph, spec.triplet(), paths.port_dir(spec), build_package_options};
-
-        const auto result = Build::build_package(paths, build_config, status_db);
-        if (result.code == BuildResult::CASCADED_DUE_TO_MISSING_DEPENDENCIES)
-        {
-            System::println(System::Color::error,
-                            "The build command requires all dependencies to be already installed.");
-            System::println("The following dependencies are missing:");
-            System::println();
-            for (const auto& p : result.unmet_dependencies)
-            {
-                System::println("    %s", p);
-            }
-            System::println();
-            Checks::exit_fail(VCPKG_LINE_INFO);
-        }
-
-        if (result.code != BuildResult::SUCCEEDED)
-        {
-            System::println(System::Color::error, Build::create_error_message(result.code, spec));
-            System::println(Build::create_user_troubleshooting_message(spec));
-            Checks::exit_fail(VCPKG_LINE_INFO);
-        }
-
-        Checks::exit_success(VCPKG_LINE_INFO);
-    }
-
-    void perform_and_exit(const VcpkgCmdArguments& args, const VcpkgPaths& paths, const Triplet& default_triplet)
-    {
-        static const std::string EXAMPLE = Commands::Help::create_example_string("build zlib:x64-windows");
-        // Build only takes a single package and all dependencies must already be installed
-        args.check_exact_arg_count(1, EXAMPLE);
-        const std::string command_argument = args.command_arguments.at(0);
-        const FullPackageSpec spec = Input::check_and_get_full_package_spec(command_argument, default_triplet, EXAMPLE);
-        Input::check_triplet(spec.package_spec.triplet(), paths);
-        const std::unordered_set<std::string> options =
-            args.check_and_get_optional_command_arguments({OPTION_CHECKS_ONLY});
-        perform_and_exit(spec, paths.port_dir(spec.package_spec), options, paths);
-    }
-}
diff --git a/toolsrc/src/tests_arguments.cpp b/toolsrc/src/tests.arguments.cpp
index 14b3c3d4f..25bf0f085 100644
--- a/toolsrc/src/tests_arguments.cpp
+++ b/toolsrc/src/tests.arguments.cpp
@@ -1,5 +1,5 @@
-#include "CppUnitTest.h"

-#include "VcpkgCmdArguments.h"

+#include <CppUnitTest.h>

+#include <vcpkg/vcpkgcmdarguments.h>

 

 #pragma comment(lib, "version")

 #pragma comment(lib, "winhttp")

diff --git a/toolsrc/src/tests_dependencies.cpp b/toolsrc/src/tests.dependencies.cpp
index 6a6981d73..3f6e0dd10 100644
--- a/toolsrc/src/tests_dependencies.cpp
+++ b/toolsrc/src/tests.dependencies.cpp
@@ -1,6 +1,6 @@
-#include "CppUnitTest.h"
-#include "SourceParagraph.h"
-#include "Triplet.h"
+#include <CppUnitTest.h>
+#include <vcpkg/sourceparagraph.h>
+#include <vcpkg/triplet.h>
 
 #pragma comment(lib, "version")
 #pragma comment(lib, "winhttp")
diff --git a/toolsrc/src/test_install_plan.cpp b/toolsrc/src/tests.installplan.cpp
index 6c9311264..120009db5 100644
--- a/toolsrc/src/test_install_plan.cpp
+++ b/toolsrc/src/tests.installplan.cpp
@@ -1,6 +1,7 @@
-#include "CppUnitTest.h"
-#include "vcpkg_Dependencies.h"
-#include "vcpkg_Util.h"
+#include <CppUnitTest.h>
+#include <vcpkg/dependencies.h>
+
+#include <vcpkg/base/util.h>
 
 using namespace Microsoft::VisualStudio::CppUnitTestFramework;
 
diff --git a/toolsrc/src/tests_package_spec.cpp b/toolsrc/src/tests.packagespec.cpp
index a6b9d5b13..cb5c41af0 100644
--- a/toolsrc/src/tests_package_spec.cpp
+++ b/toolsrc/src/tests.packagespec.cpp
@@ -1,7 +1,8 @@
-#include "BinaryParagraph.h"
-#include "CppUnitTest.h"
-#include "Paragraphs.h"
-#include "vcpkg_Strings.h"
+#include <CppUnitTest.h>
+#include <vcpkg/binaryparagraph.h>
+#include <vcpkg/paragraphs.h>
+
+#include <vcpkg/base/strings.h>
 
 #pragma comment(lib, "version")
 #pragma comment(lib, "winhttp")
diff --git a/toolsrc/src/tests_paragraph.cpp b/toolsrc/src/tests.paragraph.cpp
index 47a07e12d..d9301abd0 100644
--- a/toolsrc/src/tests_paragraph.cpp
+++ b/toolsrc/src/tests.paragraph.cpp
@@ -1,7 +1,8 @@
-#include "BinaryParagraph.h"
-#include "CppUnitTest.h"
-#include "Paragraphs.h"
-#include "vcpkg_Strings.h"
+#include <CppUnitTest.h>
+#include <vcpkg/binaryparagraph.h>
+#include <vcpkg/paragraphs.h>
+
+#include <vcpkg/base/strings.h>
 
 #pragma comment(lib, "version")
 #pragma comment(lib, "winhttp")
diff --git a/toolsrc/src/vcpkg.cpp b/toolsrc/src/vcpkg.cpp
index 706c641fb..748b4f0ee 100644
--- a/toolsrc/src/vcpkg.cpp
+++ b/toolsrc/src/vcpkg.cpp
@@ -1,16 +1,18 @@
 #define WIN32_LEAN_AND_MEAN
 #include <Windows.h>
 
-#include "Paragraphs.h"
-#include "metrics.h"
-#include "vcpkg_Chrono.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_Files.h"
-#include "vcpkg_GlobalState.h"
-#include "vcpkg_Input.h"
-#include "vcpkg_Strings.h"
-#include "vcpkg_System.h"
-#include "vcpkglib.h"
+#include <vcpkg/base/chrono.h>
+#include <vcpkg/base/files.h>
+#include <vcpkg/base/strings.h>
+#include <vcpkg/base/system.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/globalstate.h>
+#include <vcpkg/help.h>
+#include <vcpkg/input.h>
+#include <vcpkg/metrics.h>
+#include <vcpkg/paragraphs.h>
+#include <vcpkg/vcpkglib.h>
+
 #pragma warning(push)
 #pragma warning(disable : 4768)
 #include <Shlobj.h>
@@ -19,12 +21,15 @@
 #include <fstream>
 #include <memory>
 
+#pragma comment(lib, "ole32")
+#pragma comment(lib, "shell32")
+
 using namespace vcpkg;
 
 void invalid_command(const std::string& cmd)
 {
     System::println(System::Color::error, "invalid command: %s", cmd);
-    Commands::Help::print_usage();
+    Help::print_usage();
     Checks::exit_fail(VCPKG_LINE_INFO);
 }
 
@@ -33,13 +38,26 @@ static void inner(const VcpkgCmdArguments& args)
     Metrics::g_metrics.lock()->track_property("command", args.command);
     if (args.command.empty())
     {
-        Commands::Help::print_usage();
+        Help::print_usage();
         Checks::exit_fail(VCPKG_LINE_INFO);
     }
 
-    if (const auto command_function = Commands::find(args.command, Commands::get_available_commands_type_c()))
+    static const auto find_command = [&](auto&& commands) {
+        auto it = Util::find_if(commands, [&](auto&& commandc) {
+            return Strings::case_insensitive_ascii_compare(commandc.name, args.command);
+        });
+        using std::end;
+        if (it != end(commands))
+        {
+            return &*it;
+        }
+        else
+            return static_cast<decltype(&*it)>(nullptr);
+    };
+
+    if (const auto command_function = find_command(Commands::get_available_commands_type_c()))
     {
-        return command_function(args);
+        return command_function->function(args);
     }
 
     fs::path vcpkg_root_dir;
@@ -74,9 +92,9 @@ static void inner(const VcpkgCmdArguments& args)
     Checks::check_exit(VCPKG_LINE_INFO, exit_code == 0, "Changing the working dir failed");
     Commands::Version::warn_if_vcpkg_version_mismatch(paths);
 
-    if (const auto command_function = Commands::find(args.command, Commands::get_available_commands_type_b()))
+    if (const auto command_function = find_command(Commands::get_available_commands_type_b()))
     {
-        return command_function(args, paths);
+        return command_function->function(args, paths);
     }
 
     Triplet default_triplet;
@@ -100,9 +118,9 @@ static void inner(const VcpkgCmdArguments& args)
 
     Input::check_triplet(default_triplet, paths);
 
-    if (const auto command_function = Commands::find(args.command, Commands::get_available_commands_type_a()))
+    if (const auto command_function = find_command(Commands::get_available_commands_type_a()))
     {
-        return command_function(args, paths, default_triplet);
+        return command_function->function(args, paths, default_triplet);
     }
 
     return invalid_command(args.command);
@@ -202,7 +220,7 @@ int wmain(const int argc, const wchar_t* const* const argv)
     SetConsoleCP(65001);
     SetConsoleOutputCP(65001);
 
-    *GlobalState::timer.lock() = ElapsedTime::create_started();
+    *GlobalState::timer.lock() = Chrono::ElapsedTime::create_started();
 
     const std::string trimmed_command_line = trim_path_from_command_line(Strings::to_utf8(GetCommandLineW()));
 
diff --git a/toolsrc/src/vcpkg_Checks.cpp b/toolsrc/src/vcpkg/base/checks.cpp
index e7c9046a4..73c7b9b1a 100644
--- a/toolsrc/src/vcpkg_Checks.cpp
+++ b/toolsrc/src/vcpkg/base/checks.cpp
@@ -1,10 +1,10 @@
 #include "pch.h"
 
-#include "metrics.h"
-#include "vcpkg_Checks.h"
-#include "vcpkg_GlobalState.h"
-#include "vcpkg_System.h"
-#include "vcpkglib.h"
+#include <vcpkg/globalstate.h>
+#include <vcpkg/metrics.h>
+
+#include <vcpkg/base/checks.h>
+#include <vcpkg/base/system.h>
 
 namespace vcpkg::Checks
 {
diff --git a/toolsrc/src/vcpkg_Chrono.cpp b/toolsrc/src/vcpkg/base/chrono.cpp
index d96f30987..5d28909fc 100644
--- a/toolsrc/src/vcpkg_Chrono.cpp
+++ b/toolsrc/src/vcpkg/base/chrono.cpp
@@ -1,9 +1,9 @@
 #include "pch.h"
 
-#include "vcpkg_Checks.h"
-#include "vcpkg_Chrono.h"
+#include <vcpkg/base/checks.h>
+#include <vcpkg/base/chrono.h>
 
-namespace vcpkg
+namespace vcpkg::Chrono
 {
     static std::string format_time_userfriendly(const std::chrono::nanoseconds& nanos)
     {
diff --git a/toolsrc/src/coff_file_reader.cpp b/toolsrc/src/vcpkg/base/cofffilereader.cpp
index bb3a6cefd..5e9c86998 100644
--- a/toolsrc/src/coff_file_reader.cpp
+++ b/toolsrc/src/vcpkg/base/cofffilereader.cpp
@@ -1,7 +1,7 @@
 #include "pch.h"
 
-#include "coff_file_reader.h"
-#include "vcpkg_Checks.h"
+#include <vcpkg/base/checks.h>
+#include <vcpkg/base/cofffilereader.h>
 
 using namespace std;
 
diff --git a/toolsrc/src/vcpkg_Enums.cpp b/toolsrc/src/vcpkg/base/enums.cpp
index 51ba9d5dc..aa124f3aa 100644
--- a/toolsrc/src/vcpkg_Enums.cpp
+++ b/toolsrc/src/vcpkg/base/enums.cpp
@@ -1,7 +1,7 @@
 #include "pch.h"
 
-#include "vcpkg_Checks.h"
-#include "vcpkg_Enums.h"
+#include <vcpkg/base/checks.h>
+#include <vcpkg/base/enums.h>
 
 namespace vcpkg::Enums
 {
diff --git a/toolsrc/src/vcpkg_Files.cpp b/toolsrc/src/vcpkg/base/files.cpp
index ad1fcebc6..f8b239eaa 100644
--- a/toolsrc/src/vcpkg_Files.cpp
+++ b/toolsrc/src/vcpkg/base/files.cpp
@@ -1,9 +1,8 @@
 #include "pch.h"
 
-#include "vcpkg_Files.h"
-#include "vcpkg_System.h"
-#include "vcpkg_Util.h"
-#include <thread>
+#include <vcpkg/base/files.h>
+#include <vcpkg/base/system.h>
+#include <vcpkg/base/util.h>
 
 namespace vcpkg::Files
 {
diff --git a/toolsrc/src/LineInfo.cpp b/toolsrc/src/vcpkg/base/lineinfo.cpp
index d1bf9a4b1..7435ed666 100644
--- a/toolsrc/src/LineInfo.cpp
+++ b/toolsrc/src/vcpkg/base/lineinfo.cpp
@@ -1,7 +1,7 @@
 #include "pch.h"
 
-#include "LineInfo.h"
-#include "vcpkg_Strings.h"
+#include <vcpkg/base/lineinfo.h>
+#include <vcpkg/base/strings.h>
 
 namespace vcpkg
 {
diff --git a/toolsrc/src/MachineType.cpp b/toolsrc/src/vcpkg/base/machinetype.cpp
index af6378c88..2b7bd5e3a 100644
--- a/toolsrc/src/MachineType.cpp
+++ b/toolsrc/src/vcpkg/base/machinetype.cpp
@@ -1,7 +1,7 @@
 #include "pch.h"
 
-#include "MachineType.h"
-#include "vcpkg_Checks.h"
+#include <vcpkg/base/checks.h>
+#include <vcpkg/base/machinetype.h>
 
 namespace vcpkg
 {
diff --git a/toolsrc/src/vcpkg_Strings.cpp b/toolsrc/src/vcpkg/base/strings.cpp
index bbe6b29cd..2a6d3dff2 100644
--- a/toolsrc/src/vcpkg_Strings.cpp
+++ b/toolsrc/src/vcpkg/base/strings.cpp
@@ -1,8 +1,8 @@
 #include "pch.h"
 
-#include "vcpkg_Checks.h"
-#include "vcpkg_Strings.h"
-#include "vcpkg_Util.h"
+#include <vcpkg/base/checks.h>
+#include <vcpkg/base/strings.h>
+#include <vcpkg/base/util.h>
 
 namespace vcpkg::Strings::details
 {
@@ -104,9 +104,9 @@ namespace vcpkg::Strings
         return case_insensitive_ascii_find(s, pattern) != s.end();
     }
 
-    int case_insensitive_ascii_compare(const CStringView left, const CStringView right)
+    bool case_insensitive_ascii_compare(const CStringView left, const CStringView right)
     {
-        return _stricmp(left.c_str(), right.c_str());
+        return _stricmp(left.c_str(), right.c_str()) == 0;
     }
 
     std::string ascii_to_lowercase(const std::string& input)
diff --git a/toolsrc/src/vcpkg_System.cpp b/toolsrc/src/vcpkg/base/system.cpp
index 3b4c440d8..716c2a6a6 100644
--- a/toolsrc/src/vcpkg_System.cpp
+++ b/toolsrc/src/vcpkg/base/system.cpp
@@ -1,9 +1,10 @@
 #include "pch.h"
 
-#include "vcpkg_Checks.h"
-#include "vcpkg_GlobalState.h"
-#include "vcpkg_System.h"
-#include "vcpkglib.h"
+#include <vcpkg/base/checks.h>
+#include <vcpkg/base/system.h>
+#include <vcpkg/globalstate.h>
+
+#pragma comment(lib, "Advapi32")
 
 namespace vcpkg::System
 {
@@ -26,11 +27,11 @@ namespace vcpkg::System
 
     Optional<CPUArchitecture> to_cpu_architecture(CStringView arch)
     {
-        if (Strings::case_insensitive_ascii_compare(arch, "x86") == 0) return CPUArchitecture::X86;
-        if (Strings::case_insensitive_ascii_compare(arch, "x64") == 0) return CPUArchitecture::X64;
-        if (Strings::case_insensitive_ascii_compare(arch, "amd64") == 0) return CPUArchitecture::X64;
-        if (Strings::case_insensitive_ascii_compare(arch, "arm") == 0) return CPUArchitecture::ARM;
-        if (Strings::case_insensitive_ascii_compare(arch, "arm64") == 0) return CPUArchitecture::ARM64;
+        if (Strings::case_insensitive_ascii_compare(arch, "x86")) return CPUArchitecture::X86;
+        if (Strings::case_insensitive_ascii_compare(arch, "x64")) return CPUArchitecture::X64;
+        if (Strings::case_insensitive_ascii_compare(arch, "amd64")) return CPUArchitecture::X64;
+        if (Strings::case_insensitive_ascii_compare(arch, "arm")) return CPUArchitecture::ARM;
+        if (Strings::case_insensitive_ascii_compare(arch, "arm64")) return CPUArchitecture::ARM64;
         return nullopt;
     }
 
diff --git a/toolsrc/src/BinaryParagraph.cpp b/toolsrc/src/vcpkg/binaryparagraph.cpp
index 1504912ab..ef943011f 100644
--- a/toolsrc/src/BinaryParagraph.cpp
+++ b/toolsrc/src/vcpkg/binaryparagraph.cpp
@@ -1,8 +1,8 @@
 #include "pch.h"
 
-#include "BinaryParagraph.h"
-#include "vcpkg_Checks.h"
-#include "vcpkg_Parse.h"
+#include <vcpkg/base/checks.h>
+#include <vcpkg/binaryparagraph.h>
+#include <vcpkg/parse.h>
 
 namespace vcpkg
 {
diff --git a/toolsrc/src/vcpkg_Build.cpp b/toolsrc/src/vcpkg/build.cpp
index 9be20629d..99ec541c1 100644
--- a/toolsrc/src/vcpkg_Build.cpp
+++ b/toolsrc/src/vcpkg/build.cpp
@@ -1,20 +1,147 @@
 #include "pch.h"
 
-#include "Paragraphs.h"
-#include "PostBuildLint.h"
-#include "metrics.h"
-#include "vcpkg_Build.h"
-#include "vcpkg_Checks.h"
-#include "vcpkg_Chrono.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_Enums.h"
-#include "vcpkg_GlobalState.h"
-#include "vcpkg_System.h"
-#include "vcpkg_optional.h"
-#include "vcpkglib.h"
+#include <vcpkg/base/checks.h>
+#include <vcpkg/base/chrono.h>
+#include <vcpkg/base/enums.h>
+#include <vcpkg/base/optional.h>
+#include <vcpkg/base/system.h>
+#include <vcpkg/build.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/dependencies.h>
+#include <vcpkg/globalstate.h>
+#include <vcpkg/help.h>
+#include <vcpkg/input.h>
+#include <vcpkg/metrics.h>
+#include <vcpkg/paragraphs.h>
+#include <vcpkg/postbuildlint.h>
+#include <vcpkg/statusparagraphs.h>
+#include <vcpkg/vcpkglib.h>
+
+using vcpkg::Build::BuildResult;
+using vcpkg::Parse::ParseControlErrorInfo;
+using vcpkg::Parse::ParseExpected;
+
+namespace vcpkg::Build::Command
+{
+    using Dependencies::InstallPlanAction;
+    using Dependencies::InstallPlanType;
+
+    static const std::string OPTION_CHECKS_ONLY = "--checks-only";
+
+    void perform_and_exit(const FullPackageSpec& full_spec,
+                          const fs::path& port_dir,
+                          const std::unordered_set<std::string>& options,
+                          const VcpkgPaths& paths)
+    {
+        const PackageSpec& spec = full_spec.package_spec;
+        if (options.find(OPTION_CHECKS_ONLY) != options.end())
+        {
+            const auto pre_build_info = Build::PreBuildInfo::from_triplet_file(paths, spec.triplet());
+            const auto build_info = Build::read_build_info(paths.get_filesystem(), paths.build_info_file_path(spec));
+            const size_t error_count = PostBuildLint::perform_all_checks(spec, paths, pre_build_info, build_info);
+            Checks::check_exit(VCPKG_LINE_INFO, error_count == 0);
+            Checks::exit_success(VCPKG_LINE_INFO);
+        }
+
+        const ParseExpected<SourceControlFile> source_control_file =
+            Paragraphs::try_load_port(paths.get_filesystem(), port_dir);
+
+        if (!source_control_file.has_value())
+        {
+            print_error_message(source_control_file.error());
+            Checks::exit_fail(VCPKG_LINE_INFO);
+        }
+
+        for (const std::string& str : full_spec.features)
+        {
+            System::println("%s \n", str);
+        }
+        const auto& scf = source_control_file.value_or_exit(VCPKG_LINE_INFO);
+        Checks::check_exit(VCPKG_LINE_INFO,
+                           spec.name() == scf->core_paragraph->name,
+                           "The Name: field inside the CONTROL does not match the port directory: '%s' != '%s'",
+                           scf->core_paragraph->name,
+                           spec.name());
+
+        const StatusParagraphs status_db = database_load_check(paths);
+        const Build::BuildPackageOptions build_package_options{Build::UseHeadVersion::NO, Build::AllowDownloads::YES};
+
+        const Build::BuildPackageConfig build_config{
+            *scf->core_paragraph, spec.triplet(), paths.port_dir(spec), build_package_options};
+
+        const auto result = Build::build_package(paths, build_config, status_db);
+        if (result.code == BuildResult::CASCADED_DUE_TO_MISSING_DEPENDENCIES)
+        {
+            System::println(System::Color::error,
+                            "The build command requires all dependencies to be already installed.");
+            System::println("The following dependencies are missing:");
+            System::println();
+            for (const auto& p : result.unmet_dependencies)
+            {
+                System::println("    %s", p);
+            }
+            System::println();
+            Checks::exit_fail(VCPKG_LINE_INFO);
+        }
+
+        if (result.code != BuildResult::SUCCEEDED)
+        {
+            System::println(System::Color::error, Build::create_error_message(result.code, spec));
+            System::println(Build::create_user_troubleshooting_message(spec));
+            Checks::exit_fail(VCPKG_LINE_INFO);
+        }
+
+        Checks::exit_success(VCPKG_LINE_INFO);
+    }
+
+    void perform_and_exit(const VcpkgCmdArguments& args, const VcpkgPaths& paths, const Triplet& default_triplet)
+    {
+        static const std::string EXAMPLE = Help::create_example_string("build zlib:x64-windows");
+        // Build only takes a single package and all dependencies must already be installed
+        args.check_exact_arg_count(1, EXAMPLE);
+        const std::string command_argument = args.command_arguments.at(0);
+        const FullPackageSpec spec = Input::check_and_get_full_package_spec(command_argument, default_triplet, EXAMPLE);
+        Input::check_triplet(spec.package_spec.triplet(), paths);
+        const std::unordered_set<std::string> options =
+            args.check_and_get_optional_command_arguments({OPTION_CHECKS_ONLY});
+        perform_and_exit(spec, paths.port_dir(spec.package_spec), options, paths);
+    }
+}
 
 namespace vcpkg::Build
 {
+    static const std::string NAME_EMPTY_PACKAGE = "PolicyEmptyPackage";
+    static const std::string NAME_DLLS_WITHOUT_LIBS = "PolicyDLLsWithoutLIBs";
+    static const std::string NAME_ONLY_RELEASE_CRT = "PolicyOnlyReleaseCRT";
+    static const std::string NAME_EMPTY_INCLUDE_FOLDER = "PolicyEmptyIncludeFolder";
+    static const std::string NAME_ALLOW_OBSOLETE_MSVCRT = "PolicyAllowObsoleteMsvcrt";
+
+    const std::string& to_string(BuildPolicy policy)
+    {
+        switch (policy)
+        {
+            case BuildPolicy::EMPTY_PACKAGE: return NAME_EMPTY_PACKAGE;
+            case BuildPolicy::DLLS_WITHOUT_LIBS: return NAME_DLLS_WITHOUT_LIBS;
+            case BuildPolicy::ONLY_RELEASE_CRT: return NAME_ONLY_RELEASE_CRT;
+            case BuildPolicy::EMPTY_INCLUDE_FOLDER: return NAME_EMPTY_INCLUDE_FOLDER;
+            case BuildPolicy::ALLOW_OBSOLETE_MSVCRT: return NAME_ALLOW_OBSOLETE_MSVCRT;
+            default: Checks::unreachable(VCPKG_LINE_INFO);
+        }
+    }
+
+    CStringView to_cmake_variable(BuildPolicy policy)
+    {
+        switch (policy)
+        {
+            case BuildPolicy::EMPTY_PACKAGE: return "VCPKG_POLICY_EMPTY_PACKAGE";
+            case BuildPolicy::DLLS_WITHOUT_LIBS: return "VCPKG_POLICY_DLLS_WITHOUT_LIBS";
+            case BuildPolicy::ONLY_RELEASE_CRT: return "VCPKG_POLICY_ONLY_RELEASE_CRT";
+            case BuildPolicy::EMPTY_INCLUDE_FOLDER: return "VCPKG_POLICY_EMPTY_INCLUDE_FOLDER";
+            case BuildPolicy::ALLOW_OBSOLETE_MSVCRT: return "VCPKG_POLICY_ALLOW_OBSOLETE_MSVCRT";
+            default: Checks::unreachable(VCPKG_LINE_INFO);
+        }
+    }
+
     Optional<LinkageType> to_linkage_type(const std::string& str)
     {
         if (str == "dynamic") return LinkageType::DYNAMIC;
@@ -174,7 +301,7 @@ namespace vcpkg::Build
 
         const std::wstring command = Strings::wformat(LR"(%s && %s)", cmd_set_environment, cmd_launch_cmake);
 
-        const ElapsedTime timer = ElapsedTime::create_started();
+        const auto timer = Chrono::ElapsedTime::create_started();
 
         const int return_code = System::cmd_execute_clean(command);
         const auto buildtimeus = timer.microseconds();
diff --git a/toolsrc/src/commands_autocomplete.cpp b/toolsrc/src/vcpkg/commands.autocomplete.cpp
index 3963f904b..ad2a5b227 100644
--- a/toolsrc/src/commands_autocomplete.cpp
+++ b/toolsrc/src/vcpkg/commands.autocomplete.cpp
@@ -1,11 +1,11 @@
 #include "pch.h"
 
-#include "Paragraphs.h"
-#include "SortedVector.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_Maps.h"
-#include "vcpkg_System.h"
-#include "vcpkglib.h"
+#include <vcpkg/base/sortedvector.h>
+#include <vcpkg/base/system.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/help.h>
+#include <vcpkg/paragraphs.h>
+#include <vcpkg/vcpkglib.h>
 
 namespace vcpkg::Commands::Autocomplete
 {
@@ -47,9 +47,8 @@ namespace vcpkg::Commands::Autocomplete
 
     void perform_and_exit(const VcpkgCmdArguments& args, const VcpkgPaths& paths)
     {
-        static const std::string EXAMPLE =
-            Strings::format("The argument should be a command line to autocomplete.\n%s",
-                            Commands::Help::create_example_string("autocomplete install z"));
+        static const std::string EXAMPLE = Strings::format("The argument should be a command line to autocomplete.\n%s",
+                                                           Help::create_example_string("autocomplete install z"));
 
         args.check_min_arg_count(1, EXAMPLE);
         args.check_max_arg_count(2, EXAMPLE);
diff --git a/toolsrc/src/commands_build_external.cpp b/toolsrc/src/vcpkg/commands.buildexternal.cpp
index 7e85f2250..3991beb62 100644
--- a/toolsrc/src/commands_build_external.cpp
+++ b/toolsrc/src/vcpkg/commands.buildexternal.cpp
@@ -1,14 +1,16 @@
 #include "pch.h"
 
-#include "vcpkg_Commands.h"
-#include "vcpkg_Input.h"
+#include <vcpkg/build.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/help.h>
+#include <vcpkg/input.h>
 
 namespace vcpkg::Commands::BuildExternal
 {
     void perform_and_exit(const VcpkgCmdArguments& args, const VcpkgPaths& paths, const Triplet& default_triplet)
     {
         static const std::string EXAMPLE =
-            Commands::Help::create_example_string(R"(build_external zlib2 C:\path\to\dir\with\controlfile\)");
+            Help::create_example_string(R"(build_external zlib2 C:\path\to\dir\with\controlfile\)");
         args.check_exact_arg_count(2, EXAMPLE);
         const FullPackageSpec spec =
             Input::check_and_get_full_package_spec(args.command_arguments.at(0), default_triplet, EXAMPLE);
@@ -16,6 +18,6 @@ namespace vcpkg::Commands::BuildExternal
         const std::unordered_set<std::string> options = args.check_and_get_optional_command_arguments({});
 
         const fs::path port_dir = args.command_arguments.at(1);
-        BuildCommand::perform_and_exit(spec, port_dir, options, paths);
+        Build::Command::perform_and_exit(spec, port_dir, options, paths);
     }
 }
diff --git a/toolsrc/src/commands_cache.cpp b/toolsrc/src/vcpkg/commands.cache.cpp
index 5b65b197f..77f0a20f6 100644
--- a/toolsrc/src/commands_cache.cpp
+++ b/toolsrc/src/vcpkg/commands.cache.cpp
@@ -1,10 +1,11 @@
 #include "pch.h"
 
-#include "BinaryParagraph.h"
-#include "Paragraphs.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_Files.h"
-#include "vcpkg_System.h"
+#include <vcpkg/base/files.h>
+#include <vcpkg/base/system.h>
+#include <vcpkg/binaryparagraph.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/help.h>
+#include <vcpkg/paragraphs.h>
 
 namespace vcpkg::Commands::Cache
 {
@@ -29,7 +30,7 @@ namespace vcpkg::Commands::Cache
     {
         static const std::string EXAMPLE = Strings::format(
             "The argument should be a substring to search for, or no argument to display all cached libraries.\n%s",
-            Commands::Help::create_example_string("cache png"));
+            Help::create_example_string("cache png"));
         args.check_max_arg_count(1, EXAMPLE);
         args.check_and_get_optional_command_arguments({});
 
diff --git a/toolsrc/src/commands_ci.cpp b/toolsrc/src/vcpkg/commands.ci.cpp
index 75ff65556..1c98d1d83 100644
--- a/toolsrc/src/commands_ci.cpp
+++ b/toolsrc/src/vcpkg/commands.ci.cpp
@@ -1,15 +1,17 @@
 #include "pch.h"
 
-#include "Paragraphs.h"
-#include "vcpkg_Build.h"
-#include "vcpkg_Chrono.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_Dependencies.h"
-#include "vcpkg_Files.h"
-#include "vcpkg_Input.h"
-#include "vcpkg_System.h"
-#include "vcpkg_Util.h"
-#include "vcpkglib.h"
+#include <vcpkg/base/chrono.h>
+#include <vcpkg/base/files.h>
+#include <vcpkg/base/system.h>
+#include <vcpkg/base/util.h>
+#include <vcpkg/build.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/dependencies.h>
+#include <vcpkg/help.h>
+#include <vcpkg/input.h>
+#include <vcpkg/install.h>
+#include <vcpkg/paragraphs.h>
+#include <vcpkg/vcpkglib.h>
 
 namespace vcpkg::Commands::CI
 {
@@ -30,7 +32,7 @@ namespace vcpkg::Commands::CI
 
     void perform_and_exit(const VcpkgCmdArguments& args, const VcpkgPaths& paths, const Triplet& default_triplet)
     {
-        static const std::string EXAMPLE = Commands::Help::create_example_string("ci x64-windows");
+        static const std::string EXAMPLE = Help::create_example_string("ci x64-windows");
         args.check_max_arg_count(1, EXAMPLE);
         const Triplet triplet = args.command_arguments.size() == 1
                                     ? Triplet::from_canonical_name(args.command_arguments.at(0))
@@ -52,7 +54,7 @@ namespace vcpkg::Commands::CI
                 return Dependencies::AnyAction(std::move(install_action));
             });
 
-        Install::perform_and_exit(
+        Install::perform_and_exit_ex(
             action_plan, install_plan_options, Install::KeepGoing::YES, Install::PrintSummary::YES, paths, status_db);
 
         Checks::exit_success(VCPKG_LINE_INFO);
diff --git a/toolsrc/src/commands_contact.cpp b/toolsrc/src/vcpkg/commands.contact.cpp
index 8374350ee..421b8a230 100644
--- a/toolsrc/src/commands_contact.cpp
+++ b/toolsrc/src/vcpkg/commands.contact.cpp
@@ -1,7 +1,7 @@
 #include "pch.h"
 
-#include "vcpkg_Commands.h"
-#include "vcpkg_System.h"
+#include <vcpkg/base/system.h>
+#include <vcpkg/commands.h>
 
 namespace vcpkg::Commands::Contact
 {
diff --git a/toolsrc/src/commands_available_commands.cpp b/toolsrc/src/vcpkg/commands.cpp
index d3280e6d7..9d969ea28 100644
--- a/toolsrc/src/commands_available_commands.cpp
+++ b/toolsrc/src/vcpkg/commands.cpp
@@ -1,16 +1,22 @@
 #include "pch.h"
 
-#include "vcpkg_Commands.h"
+#include <vcpkg/build.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/export.h>
+#include <vcpkg/help.h>
+#include <vcpkg/install.h>
+#include <vcpkg/remove.h>
+#include <vcpkg/update.h>
 
 namespace vcpkg::Commands
 {
-    const std::vector<PackageNameAndFunction<CommandTypeA>>& get_available_commands_type_a()
+    Span<const PackageNameAndFunction<CommandTypeA>> get_available_commands_type_a()
     {
         static std::vector<PackageNameAndFunction<CommandTypeA>> t = {
             {"install", &Install::perform_and_exit},
             {"ci", &CI::perform_and_exit},
             {"remove", &Remove::perform_and_exit},
-            {"build", &BuildCommand::perform_and_exit},
+            {"build", &Build::Command::perform_and_exit},
             {"env", &Env::perform_and_exit},
             {"build-external", &BuildExternal::perform_and_exit},
             {"export", &Export::perform_and_exit},
@@ -18,7 +24,7 @@ namespace vcpkg::Commands
         return t;
     }
 
-    const std::vector<PackageNameAndFunction<CommandTypeB>>& get_available_commands_type_b()
+    Span<const PackageNameAndFunction<CommandTypeB>> get_available_commands_type_b()
     {
         static std::vector<PackageNameAndFunction<CommandTypeB>> t = {
             {"/?", &Help::perform_and_exit},
@@ -38,7 +44,7 @@ namespace vcpkg::Commands
         return t;
     }
 
-    const std::vector<PackageNameAndFunction<CommandTypeC>>& get_available_commands_type_c()
+    Span<const PackageNameAndFunction<CommandTypeC>> get_available_commands_type_c()
     {
         static std::vector<PackageNameAndFunction<CommandTypeC>> t = {
             {"version", &Version::perform_and_exit},
diff --git a/toolsrc/src/commands_create.cpp b/toolsrc/src/vcpkg/commands.create.cpp
index 6898f7399..d923cf555 100644
--- a/toolsrc/src/commands_create.cpp
+++ b/toolsrc/src/vcpkg/commands.create.cpp
@@ -1,15 +1,16 @@
 #include "pch.h"
 
-#include "vcpkg_Commands.h"
-#include "vcpkg_Files.h"
-#include "vcpkg_System.h"
-#include "vcpkglib.h"
+#include <vcpkg/base/files.h>
+#include <vcpkg/base/system.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/help.h>
+#include <vcpkg/vcpkglib.h>
 
 namespace vcpkg::Commands::Create
 {
     void perform_and_exit(const VcpkgCmdArguments& args, const VcpkgPaths& paths)
     {
-        static const std::string EXAMPLE = Commands::Help::create_example_string(
+        static const std::string EXAMPLE = Help::create_example_string(
             R"###(create zlib2 http://zlib.net/zlib1211.zip "zlib1211-2.zip")###");
         args.check_max_arg_count(3, EXAMPLE);
         args.check_min_arg_count(2, EXAMPLE);
diff --git a/toolsrc/src/commands_depends.cpp b/toolsrc/src/vcpkg/commands.dependinfo.cpp
index 17cd9c881..89c7e0c7f 100644
--- a/toolsrc/src/commands_depends.cpp
+++ b/toolsrc/src/vcpkg/commands.dependinfo.cpp
@@ -1,16 +1,17 @@
 #include "pch.h"
 
-#include "Paragraphs.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_Strings.h"
-#include "vcpkg_System.h"
-#include "vcpkg_Util.h"
+#include <vcpkg/base/strings.h>
+#include <vcpkg/base/system.h>
+#include <vcpkg/base/util.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/help.h>
+#include <vcpkg/paragraphs.h>
 
 namespace vcpkg::Commands::DependInfo
 {
     void perform_and_exit(const VcpkgCmdArguments& args, const VcpkgPaths& paths)
     {
-        static const std::string EXAMPLE = Commands::Help::create_example_string(R"###(depend-info [pat])###");
+        static const std::string EXAMPLE = Help::create_example_string(R"###(depend-info [pat])###");
         args.check_max_arg_count(1, EXAMPLE);
         args.check_and_get_optional_command_arguments({});
 
diff --git a/toolsrc/src/commands_edit.cpp b/toolsrc/src/vcpkg/commands.edit.cpp
index 823c87534..9497bd76e 100644
--- a/toolsrc/src/commands_edit.cpp
+++ b/toolsrc/src/vcpkg/commands.edit.cpp
@@ -1,8 +1,9 @@
 #include "pch.h"
 
-#include "vcpkg_Commands.h"
-#include "vcpkg_Input.h"
-#include "vcpkg_System.h"
+#include <vcpkg/base/system.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/help.h>
+#include <vcpkg/input.h>
 
 namespace vcpkg::Commands::Edit
 {
@@ -38,7 +39,7 @@ namespace vcpkg::Commands::Edit
 
         auto& fs = paths.get_filesystem();
 
-        static const std::string EXAMPLE = Commands::Help::create_example_string("edit zlib");
+        static const std::string EXAMPLE = Help::create_example_string("edit zlib");
         args.check_exact_arg_count(1, EXAMPLE);
         const std::unordered_set<std::string> options =
             args.check_and_get_optional_command_arguments({OPTION_BUILDTREES});
diff --git a/toolsrc/src/commands_env.cpp b/toolsrc/src/vcpkg/commands.env.cpp
index 6dad3e882..089881588 100644
--- a/toolsrc/src/commands_env.cpp
+++ b/toolsrc/src/vcpkg/commands.env.cpp
@@ -1,14 +1,15 @@
 #include "pch.h"
 
-#include "vcpkg_Build.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_System.h"
+#include <vcpkg/base/system.h>
+#include <vcpkg/build.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/help.h>
 
 namespace vcpkg::Commands::Env
 {
     void perform_and_exit(const VcpkgCmdArguments& args, const VcpkgPaths& paths, const Triplet& default_triplet)
     {
-        static const std::string EXAMPLE = Commands::Help::create_example_string(R"(env --Triplet x64-windows)");
+        static const std::string EXAMPLE = Help::create_example_string(R"(env --triplet x64-windows)");
         args.check_exact_arg_count(0, EXAMPLE);
         args.check_and_get_optional_command_arguments({});
 
diff --git a/toolsrc/src/commands_export_ifw.cpp b/toolsrc/src/vcpkg/commands.exportifw.cpp
index 191dbb763..35a3c97a7 100644
--- a/toolsrc/src/commands_export_ifw.cpp
+++ b/toolsrc/src/vcpkg/commands.exportifw.cpp
@@ -1,10 +1,11 @@
 #include "pch.h"
 
-#include "vcpkg_Commands.h"
-#include "vcpkg_Commands_Export.h"
-#include "vcpkg_Commands_Export_IFW.h"
+#include <vcpkg/commands.h>
+#include <vcpkg/export.h>
+#include <vcpkg/export.ifw.h>
+#include <vcpkg/install.h>
 
-namespace vcpkg::Commands::Export::IFW
+namespace vcpkg::Export::IFW
 {
     using Dependencies::ExportPlanAction;
     using Dependencies::ExportPlanType;
diff --git a/toolsrc/src/commands_hash.cpp b/toolsrc/src/vcpkg/commands.hash.cpp
index b3211b9f8..394a02e23 100644
--- a/toolsrc/src/commands_hash.cpp
+++ b/toolsrc/src/vcpkg/commands.hash.cpp
@@ -1,8 +1,9 @@
 #include "pch.h"
 
-#include "vcpkg_Commands.h"
-#include "vcpkg_System.h"
-#include "vcpkg_Util.h"
+#include <vcpkg/base/system.h>
+#include <vcpkg/base/util.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/help.h>
 
 namespace vcpkg::Commands::Hash
 {
@@ -34,9 +35,8 @@ namespace vcpkg::Commands::Hash
 
     void perform_and_exit(const VcpkgCmdArguments& args)
     {
-        static const std::string EXAMPLE =
-            Strings::format("The argument should be a file path\n%s",
-                            Commands::Help::create_example_string("hash boost_1_62_0.tar.bz2"));
+        static const std::string EXAMPLE = Strings::format("The argument should be a file path\n%s",
+                                                           Help::create_example_string("hash boost_1_62_0.tar.bz2"));
         args.check_min_arg_count(1, EXAMPLE);
         args.check_max_arg_count(2, EXAMPLE);
         args.check_and_get_optional_command_arguments({});
diff --git a/toolsrc/src/commands_import.cpp b/toolsrc/src/vcpkg/commands.import.cpp
index 412a03d7f..119aee022 100644
--- a/toolsrc/src/commands_import.cpp
+++ b/toolsrc/src/vcpkg/commands.import.cpp
@@ -1,9 +1,10 @@
 #include "pch.h"
 
-#include "Paragraphs.h"
-#include "StatusParagraph.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_Files.h"
+#include <vcpkg/base/files.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/help.h>
+#include <vcpkg/paragraphs.h>
+#include <vcpkg/statusparagraph.h>
 
 namespace vcpkg::Commands::Import
 {
@@ -93,7 +94,7 @@ namespace vcpkg::Commands::Import
 
     void perform_and_exit(const VcpkgCmdArguments& args, const VcpkgPaths& paths)
     {
-        static const std::string EXAMPLE = Commands::Help::create_example_string(
+        static const std::string EXAMPLE = Help::create_example_string(
             R"(import C:\path\to\CONTROLfile C:\path\to\includedir C:\path\to\projectdir)");
         args.check_exact_arg_count(3, EXAMPLE);
         args.check_and_get_optional_command_arguments({});
diff --git a/toolsrc/src/commands_integrate.cpp b/toolsrc/src/vcpkg/commands.integrate.cpp
index fd2f11294..7f6639222 100644
--- a/toolsrc/src/commands_integrate.cpp
+++ b/toolsrc/src/vcpkg/commands.integrate.cpp
@@ -1,10 +1,10 @@
 #include "pch.h"
 
-#include "vcpkg_Checks.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_Files.h"
-#include "vcpkg_System.h"
-#include "vcpkg_Util.h"
+#include <vcpkg/base/checks.h>
+#include <vcpkg/base/files.h>
+#include <vcpkg/base/system.h>
+#include <vcpkg/base/util.h>
+#include <vcpkg/commands.h>
 
 namespace vcpkg::Commands::Integrate
 {
diff --git a/toolsrc/src/commands_list.cpp b/toolsrc/src/vcpkg/commands.list.cpp
index 640885860..d0e8e00b4 100644
--- a/toolsrc/src/commands_list.cpp
+++ b/toolsrc/src/vcpkg/commands.list.cpp
@@ -1,8 +1,9 @@
 #include "pch.h"
 
-#include "vcpkg_Commands.h"
-#include "vcpkg_System.h"
-#include "vcpkglib.h"
+#include <vcpkg/base/system.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/help.h>
+#include <vcpkg/vcpkglib.h>
 
 namespace vcpkg::Commands::List
 {
@@ -27,7 +28,7 @@ namespace vcpkg::Commands::List
     {
         static const std::string EXAMPLE = Strings::format(
             "The argument should be a substring to search for, or no argument to display all installed libraries.\n%s",
-            Commands::Help::create_example_string("list png"));
+            Help::create_example_string("list png"));
         args.check_max_arg_count(1, EXAMPLE);
         const std::unordered_set<std::string> options =
             args.check_and_get_optional_command_arguments({OPTION_FULLDESC});
diff --git a/toolsrc/src/commands_owns.cpp b/toolsrc/src/vcpkg/commands.owns.cpp
index 718a0277f..69079e829 100644
--- a/toolsrc/src/commands_owns.cpp
+++ b/toolsrc/src/vcpkg/commands.owns.cpp
@@ -1,8 +1,9 @@
 #include "pch.h"
 
-#include "vcpkg_Commands.h"
-#include "vcpkg_System.h"
-#include "vcpkglib.h"
+#include <vcpkg/base/system.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/help.h>
+#include <vcpkg/vcpkglib.h>
 
 namespace vcpkg::Commands::Owns
 {
@@ -26,7 +27,7 @@ namespace vcpkg::Commands::Owns
     void perform_and_exit(const VcpkgCmdArguments& args, const VcpkgPaths& paths)
     {
         static const std::string EXAMPLE = Strings::format("The argument should be a pattern to search for. %s",
-                                                           Commands::Help::create_example_string("owns zlib.dll"));
+                                                           Help::create_example_string("owns zlib.dll"));
         args.check_exact_arg_count(1, EXAMPLE);
         args.check_and_get_optional_command_arguments({});
 
diff --git a/toolsrc/src/commands_portsdiff.cpp b/toolsrc/src/vcpkg/commands.portsdiff.cpp
index 2334b2270..b70ad2b80 100644
--- a/toolsrc/src/commands_portsdiff.cpp
+++ b/toolsrc/src/vcpkg/commands.portsdiff.cpp
@@ -1,10 +1,12 @@
 #include "pch.h"
 
-#include "Paragraphs.h"
-#include "SortedVector.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_Maps.h"
-#include "vcpkg_System.h"
+#include <vcpkg/commands.h>
+#include <vcpkg/help.h>
+#include <vcpkg/paragraphs.h>
+
+#include <vcpkg/base/sortedvector.h>
+#include <vcpkg/base/system.h>
+#include <vcpkg/base/util.h>
 
 namespace vcpkg::Commands::PortsDiff
 {
@@ -116,9 +118,8 @@ namespace vcpkg::Commands::PortsDiff
 
     void perform_and_exit(const VcpkgCmdArguments& args, const VcpkgPaths& paths)
     {
-        static const std::string EXAMPLE =
-            Strings::format("The argument should be a branch/tag/hash to checkout.\n%s",
-                            Commands::Help::create_example_string("portsdiff mybranchname"));
+        static const std::string EXAMPLE = Strings::format("The argument should be a branch/tag/hash to checkout.\n%s",
+                                                           Help::create_example_string("portsdiff mybranchname"));
         args.check_min_arg_count(1, EXAMPLE);
         args.check_max_arg_count(2, EXAMPLE);
         args.check_and_get_optional_command_arguments({});
@@ -138,8 +139,8 @@ namespace vcpkg::Commands::PortsDiff
             read_ports_from_commit(paths, git_commit_id_for_previous_snapshot);
 
         // Already sorted, so set_difference can work on std::vector too
-        const std::vector<std::string> current_ports = Maps::extract_keys(current_names_and_versions);
-        const std::vector<std::string> previous_ports = Maps::extract_keys(previous_names_and_versions);
+        const std::vector<std::string> current_ports = Util::extract_keys(current_names_and_versions);
+        const std::vector<std::string> previous_ports = Util::extract_keys(previous_names_and_versions);
 
         const SetElementPresence<std::string> setp =
             SetElementPresence<std::string>::create(current_ports, previous_ports);
diff --git a/toolsrc/src/commands_search.cpp b/toolsrc/src/vcpkg/commands.search.cpp
index d35a546c4..3ba8707de 100644
--- a/toolsrc/src/commands_search.cpp
+++ b/toolsrc/src/vcpkg/commands.search.cpp
@@ -1,11 +1,12 @@
 #include "pch.h"
 
-#include "Paragraphs.h"
-#include "SourceParagraph.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_GlobalState.h"
-#include "vcpkg_System.h"
-#include "vcpkglib.h"
+#include <vcpkg/base/system.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/globalstate.h>
+#include <vcpkg/help.h>
+#include <vcpkg/paragraphs.h>
+#include <vcpkg/sourceparagraph.h>
+#include <vcpkg/vcpkglib.h>
 
 namespace vcpkg::Commands::Search
 {
@@ -82,7 +83,7 @@ namespace vcpkg::Commands::Search
     {
         static const std::string EXAMPLE = Strings::format(
             "The argument should be a substring to search for, or no argument to display all libraries.\n%s",
-            Commands::Help::create_example_string("search png"));
+            Help::create_example_string("search png"));
         args.check_max_arg_count(1, EXAMPLE);
         const std::unordered_set<std::string> options =
             args.check_and_get_optional_command_arguments({OPTION_GRAPH, OPTION_FULLDESC});
diff --git a/toolsrc/src/commands_version.cpp b/toolsrc/src/vcpkg/commands.version.cpp
index 5744ea9ef..c6cc82d1f 100644
--- a/toolsrc/src/commands_version.cpp
+++ b/toolsrc/src/vcpkg/commands.version.cpp
@@ -1,8 +1,8 @@
 #include "pch.h"
 
-#include "metrics.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_System.h"
+#include <vcpkg/base/system.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/metrics.h>
 
 #define STRINGIFY(...) #__VA_ARGS__
 #define MACRO_TO_STRING(X) STRINGIFY(X)
diff --git a/toolsrc/src/vcpkg_Dependencies.cpp b/toolsrc/src/vcpkg/dependencies.cpp
index 8dd60a2eb..da8f1e178 100644
--- a/toolsrc/src/vcpkg_Dependencies.cpp
+++ b/toolsrc/src/vcpkg/dependencies.cpp
@@ -1,15 +1,15 @@
 #include "pch.h"
 
-#include "PackageSpec.h"
-#include "Paragraphs.h"
-#include "StatusParagraphs.h"
-#include "VcpkgPaths.h"
-#include "vcpkg_Dependencies.h"
-#include "vcpkg_Files.h"
-#include "vcpkg_Graphs.h"
-#include "vcpkg_Strings.h"
-#include "vcpkg_Util.h"
-#include "vcpkglib.h"
+#include <vcpkg/base/files.h>
+#include <vcpkg/base/graphs.h>
+#include <vcpkg/base/strings.h>
+#include <vcpkg/base/util.h>
+#include <vcpkg/dependencies.h>
+#include <vcpkg/packagespec.h>
+#include <vcpkg/paragraphs.h>
+#include <vcpkg/statusparagraphs.h>
+#include <vcpkg/vcpkglib.h>
+#include <vcpkg/vcpkgpaths.h>
 
 namespace vcpkg::Dependencies
 {
diff --git a/toolsrc/src/commands_export.cpp b/toolsrc/src/vcpkg/export.cpp
index 20838f5a5..de6464c87 100644
--- a/toolsrc/src/commands_export.cpp
+++ b/toolsrc/src/vcpkg/export.cpp
@@ -1,16 +1,19 @@
 #include "pch.h"
 
-#include "Paragraphs.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_Commands_Export_IFW.h"
-#include "vcpkg_Dependencies.h"
-#include "vcpkg_Input.h"
-#include "vcpkg_System.h"
-#include "vcpkg_Util.h"
-#include "vcpkglib.h"
+#include <vcpkg/base/system.h>
+#include <vcpkg/base/util.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/dependencies.h>
+#include <vcpkg/export.ifw.h>
+#include <vcpkg/help.h>
+#include <vcpkg/input.h>
+#include <vcpkg/install.h>
+#include <vcpkg/paragraphs.h>
+#include <vcpkg/vcpkglib.h>
+
 #include <regex>
 
-namespace vcpkg::Commands::Export
+namespace vcpkg::Export
 {
     using Dependencies::ExportPlanAction;
     using Dependencies::ExportPlanType;
@@ -273,8 +276,7 @@ namespace vcpkg::Commands::Export
         static const std::string OPTION_IFW_INSTALLER_FILE_PATH = "--ifw-installer-file-path";
 
         // input sanitization
-        static const std::string EXAMPLE =
-            Commands::Help::create_example_string("export zlib zlib:x64-windows boost --nuget");
+        static const std::string EXAMPLE = Help::create_example_string("export zlib zlib:x64-windows boost --nuget");
         args.check_min_arg_count(1, EXAMPLE);
 
         ret.specs = Util::fmap(args.command_arguments, [&](auto&& arg) {
diff --git a/toolsrc/src/vcpkg_GlobalState.cpp b/toolsrc/src/vcpkg/globalstate.cpp
index 2221222c0..de564d357 100644
--- a/toolsrc/src/vcpkg_GlobalState.cpp
+++ b/toolsrc/src/vcpkg/globalstate.cpp
@@ -1,10 +1,10 @@
 #include "pch.h"
 
-#include "vcpkg_GlobalState.h"
+#include <vcpkg/globalstate.h>
 
 namespace vcpkg
 {
-    Util::LockGuarded<ElapsedTime> GlobalState::timer;
+    Util::LockGuarded<Chrono::ElapsedTime> GlobalState::timer;
     std::atomic<bool> GlobalState::debugging = false;
     std::atomic<bool> GlobalState::feature_packages = false;
 
diff --git a/toolsrc/src/commands_help.cpp b/toolsrc/src/vcpkg/help.cpp
index a12f9003d..7867f71d2 100644
--- a/toolsrc/src/commands_help.cpp
+++ b/toolsrc/src/vcpkg/help.cpp
@@ -1,9 +1,9 @@
 #include "pch.h"
 
-#include "vcpkg_Commands.h"
-#include "vcpkg_System.h"
+#include <vcpkg/base/system.h>
+#include <vcpkg/commands.h>
 
-namespace vcpkg::Commands::Help
+namespace vcpkg::Help
 {
     void help_topics()
     {
@@ -75,7 +75,7 @@ namespace vcpkg::Commands::Help
             "                                  (default: %%VCPKG_ROOT%%)\n"
             "\n"
             "For more help (including examples) see the accompanying README.md.",
-            Integrate::INTEGRATE_COMMAND_HELPSTRING);
+            Commands::Integrate::INTEGRATE_COMMAND_HELPSTRING);
     }
 
     std::string create_example_string(const std::string& command_and_arguments)
@@ -114,7 +114,7 @@ namespace vcpkg::Commands::Help
         {
             System::print("Commands:\n"
                           "%s",
-                          Integrate::INTEGRATE_COMMAND_HELPSTRING);
+                          Commands::Integrate::INTEGRATE_COMMAND_HELPSTRING);
         }
         else if (topic == "topics")
         {
diff --git a/toolsrc/src/vcpkg_Input.cpp b/toolsrc/src/vcpkg/input.cpp
index f1cac9632..aee0fac7f 100644
--- a/toolsrc/src/vcpkg_Input.cpp
+++ b/toolsrc/src/vcpkg/input.cpp
@@ -1,9 +1,10 @@
 #include "pch.h"
 
-#include "metrics.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_Input.h"
-#include "vcpkg_System.h"
+#include <vcpkg/base/system.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/help.h>
+#include <vcpkg/input.h>
+#include <vcpkg/metrics.h>
 
 namespace vcpkg::Input
 {
@@ -30,7 +31,7 @@ namespace vcpkg::Input
         {
             System::println(System::Color::error, "Error: invalid triplet: %s", t);
             Metrics::g_metrics.lock()->track_property("error", "invalid triplet: " + t.to_string());
-            Commands::Help::help_topic_valid_triplet(paths);
+            Help::help_topic_valid_triplet(paths);
             Checks::exit_fail(VCPKG_LINE_INFO);
         }
     }
diff --git a/toolsrc/src/commands_install.cpp b/toolsrc/src/vcpkg/install.cpp
index d815332fe..74bea0d5f 100644
--- a/toolsrc/src/commands_install.cpp
+++ b/toolsrc/src/vcpkg/install.cpp
@@ -1,18 +1,21 @@
 #include "pch.h"
 
-#include "Paragraphs.h"
-#include "metrics.h"
-#include "vcpkg_Build.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_Dependencies.h"
-#include "vcpkg_Files.h"
-#include "vcpkg_GlobalState.h"
-#include "vcpkg_Input.h"
-#include "vcpkg_System.h"
-#include "vcpkg_Util.h"
-#include "vcpkglib.h"
-
-namespace vcpkg::Commands::Install
+#include <vcpkg/base/files.h>
+#include <vcpkg/base/system.h>
+#include <vcpkg/base/util.h>
+#include <vcpkg/build.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/dependencies.h>
+#include <vcpkg/globalstate.h>
+#include <vcpkg/help.h>
+#include <vcpkg/input.h>
+#include <vcpkg/install.h>
+#include <vcpkg/metrics.h>
+#include <vcpkg/paragraphs.h>
+#include <vcpkg/remove.h>
+#include <vcpkg/vcpkglib.h>
+
+namespace vcpkg::Install
 {
     using namespace Dependencies;
 
@@ -68,8 +71,8 @@ namespace vcpkg::Commands::Install
 
             const std::string filename = file.filename().generic_string();
             if (fs::is_regular_file(status) &&
-                (Strings::case_insensitive_ascii_compare(filename.c_str(), "CONTROL") == 0 ||
-                 Strings::case_insensitive_ascii_compare(filename.c_str(), "BUILD_INFO") == 0))
+                (Strings::case_insensitive_ascii_compare(filename.c_str(), "CONTROL") ||
+                 Strings::case_insensitive_ascii_compare(filename.c_str(), "BUILD_INFO")))
             {
                 // Do not copy the control file
                 continue;
@@ -442,22 +445,22 @@ namespace vcpkg::Commands::Install
         }
     }
 
-    void perform_and_exit(const std::vector<AnyAction>& action_plan,
-                          const Build::BuildPackageOptions& install_plan_options,
-                          const KeepGoing keep_going,
-                          const PrintSummary print_summary,
-                          const VcpkgPaths& paths,
-                          StatusParagraphs& status_db)
+    void perform_and_exit_ex(const std::vector<AnyAction>& action_plan,
+                             const Build::BuildPackageOptions& install_plan_options,
+                             const KeepGoing keep_going,
+                             const PrintSummary print_summary,
+                             const VcpkgPaths& paths,
+                             StatusParagraphs& status_db)
     {
         std::vector<BuildResult> results;
         std::vector<std::string> timing;
-        const ElapsedTime timer = ElapsedTime::create_started();
+        const auto timer = Chrono::ElapsedTime::create_started();
         size_t counter = 0;
         const size_t package_count = action_plan.size();
 
         for (const auto& action : action_plan)
         {
-            const ElapsedTime build_timer = ElapsedTime::create_started();
+            const auto build_timer = Chrono::ElapsedTime::create_started();
             counter++;
 
             const std::string display_name = action.spec().to_string();
@@ -531,8 +534,7 @@ namespace vcpkg::Commands::Install
         static const std::string OPTION_KEEP_GOING = "--keep-going";
 
         // input sanitization
-        static const std::string EXAMPLE =
-            Commands::Help::create_example_string("install zlib zlib:x64-windows curl boost");
+        static const std::string EXAMPLE = Help::create_example_string("install zlib zlib:x64-windows curl boost");
         args.check_min_arg_count(1, EXAMPLE);
 
         const std::vector<FullPackageSpec> specs = Util::fmap(args.command_arguments, [&](auto&& arg) {
@@ -606,7 +608,7 @@ namespace vcpkg::Commands::Install
             Checks::exit_success(VCPKG_LINE_INFO);
         }
 
-        perform_and_exit(action_plan, install_plan_options, keep_going, PrintSummary::NO, paths, status_db);
+        perform_and_exit_ex(action_plan, install_plan_options, keep_going, PrintSummary::NO, paths, status_db);
 
         Checks::exit_success(VCPKG_LINE_INFO);
     }
diff --git a/toolsrc/src/metrics.cpp b/toolsrc/src/vcpkg/metrics.cpp
index 8a0050bfc..84c1ee208 100644
--- a/toolsrc/src/metrics.cpp
+++ b/toolsrc/src/vcpkg/metrics.cpp
@@ -1,10 +1,13 @@
 #include "pch.h"
 
-#include "filesystem_fs.h"
-#include "metrics.h"
-#include "vcpkg_Files.h"
-#include "vcpkg_Strings.h"
-#include "vcpkg_System.h"
+#include <vcpkg/metrics.h>
+
+#include <vcpkg/base/files.h>
+#include <vcpkg/base/strings.h>
+#include <vcpkg/base/system.h>
+
+#pragma comment(lib, "version")
+#pragma comment(lib, "winhttp")
 
 namespace vcpkg::Metrics
 {
diff --git a/toolsrc/src/PackageSpec.cpp b/toolsrc/src/vcpkg/packagespec.cpp
index 890de8899..01a09618d 100644
--- a/toolsrc/src/PackageSpec.cpp
+++ b/toolsrc/src/vcpkg/packagespec.cpp
@@ -1,8 +1,8 @@
 #include "pch.h"
 
-#include "PackageSpec.h"
-#include "vcpkg_Parse.h"
-#include "vcpkg_Util.h"
+#include <vcpkg/base/util.h>
+#include <vcpkg/packagespec.h>
+#include <vcpkg/parse.h>
 
 using vcpkg::Parse::parse_comma_list;
 
diff --git a/toolsrc/src/PackageSpecParseResult.cpp b/toolsrc/src/vcpkg/packagespecparseresult.cpp
index 838c788ba..b12bd12d0 100644
--- a/toolsrc/src/PackageSpecParseResult.cpp
+++ b/toolsrc/src/vcpkg/packagespecparseresult.cpp
@@ -1,7 +1,8 @@
 #include "pch.h"
 
-#include "PackageSpecParseResult.h"
-#include "vcpkg_Checks.h"
+#include <vcpkg/packagespecparseresult.h>
+
+#include <vcpkg/base/checks.h>
 
 namespace vcpkg
 {
diff --git a/toolsrc/src/ParagraphParseResult.cpp b/toolsrc/src/vcpkg/paragraphparseresult.cpp
index 5c8c1d59d..920a4b16b 100644
--- a/toolsrc/src/ParagraphParseResult.cpp
+++ b/toolsrc/src/vcpkg/paragraphparseresult.cpp
@@ -1,7 +1,7 @@
 #include "pch.h"
 
-#include "ParagraphParseResult.h"
-#include "vcpkg_Checks.h"
+#include <vcpkg/base/checks.h>
+#include <vcpkg/paragraphparseresult.h>
 
 namespace vcpkg
 {
diff --git a/toolsrc/src/Paragraphs.cpp b/toolsrc/src/vcpkg/paragraphs.cpp
index 6a6f191df..b93de190c 100644
--- a/toolsrc/src/Paragraphs.cpp
+++ b/toolsrc/src/vcpkg/paragraphs.cpp
@@ -1,10 +1,10 @@
 #include "pch.h"
 
-#include "ParagraphParseResult.h"
-#include "Paragraphs.h"
-#include "vcpkg_Files.h"
-#include "vcpkg_GlobalState.h"
-#include "vcpkg_Util.h"
+#include <vcpkg/base/files.h>
+#include <vcpkg/base/util.h>
+#include <vcpkg/globalstate.h>
+#include <vcpkg/paragraphparseresult.h>
+#include <vcpkg/paragraphs.h>
 
 using namespace vcpkg::Parse;
 
diff --git a/toolsrc/src/vcpkg_Parse.cpp b/toolsrc/src/vcpkg/parse.cpp
index e671a1a05..116a7f5c8 100644
--- a/toolsrc/src/vcpkg_Parse.cpp
+++ b/toolsrc/src/vcpkg/parse.cpp
@@ -1,8 +1,9 @@
 #include "pch.h"
 
-#include "vcpkg_Checks.h"
-#include "vcpkg_Maps.h"
-#include "vcpkg_Parse.h"
+#include <vcpkg/parse.h>
+
+#include <vcpkg/base/checks.h>
+#include <vcpkg/base/util.h>
 
 namespace vcpkg::Parse
 {
@@ -38,7 +39,7 @@ namespace vcpkg::Parse
         {
             auto err = std::make_unique<ParseControlErrorInfo>();
             err->name = name;
-            err->extra_fields = Maps::extract_keys(fields);
+            err->extra_fields = Util::extract_keys(fields);
             err->missing_fields = std::move(missing_fields);
             return err;
         }
diff --git a/toolsrc/src/PostBuildLint_BuildType.cpp b/toolsrc/src/vcpkg/postbuildlint.buildtype.cpp
index 649f0ccca..2baaddb5e 100644
--- a/toolsrc/src/PostBuildLint_BuildType.cpp
+++ b/toolsrc/src/vcpkg/postbuildlint.buildtype.cpp
@@ -1,7 +1,7 @@
 #include "pch.h"
 
-#include "PostBuildLint_BuildType.h"
-#include "vcpkg_Checks.h"
+#include <vcpkg/base/checks.h>
+#include <vcpkg/postbuildlint.buildtype.h>
 
 namespace vcpkg::PostBuildLint
 {
diff --git a/toolsrc/src/PostBuildLint.cpp b/toolsrc/src/vcpkg/postbuildlint.cpp
index a0699e15c..5f55249df 100644
--- a/toolsrc/src/PostBuildLint.cpp
+++ b/toolsrc/src/vcpkg/postbuildlint.cpp
@@ -1,14 +1,14 @@
 #include "pch.h"
 
-#include "PackageSpec.h"
-#include "PostBuildLint.h"
-#include "PostBuildLint_BuildType.h"
-#include "VcpkgPaths.h"
-#include "coff_file_reader.h"
-#include "vcpkg_Build.h"
-#include "vcpkg_Files.h"
-#include "vcpkg_System.h"
-#include "vcpkg_Util.h"
+#include <vcpkg/base/cofffilereader.h>
+#include <vcpkg/base/files.h>
+#include <vcpkg/base/system.h>
+#include <vcpkg/base/util.h>
+#include <vcpkg/build.h>
+#include <vcpkg/packagespec.h>
+#include <vcpkg/postbuildlint.buildtype.h>
+#include <vcpkg/postbuildlint.h>
+#include <vcpkg/vcpkgpaths.h>
 
 using vcpkg::Build::BuildInfo;
 using vcpkg::Build::BuildPolicy;
@@ -695,8 +695,8 @@ namespace vcpkg::PostBuildLint
         std::vector<fs::path> misplaced_files = fs.get_files_non_recursive(dir);
         Util::unstable_keep_if(misplaced_files, [&fs](const fs::path& path) {
             const std::string filename = path.filename().generic_string();
-            if (Strings::case_insensitive_ascii_compare(filename.c_str(), "CONTROL") == 0 ||
-                Strings::case_insensitive_ascii_compare(filename.c_str(), "BUILD_INFO") == 0)
+            if (Strings::case_insensitive_ascii_compare(filename.c_str(), "CONTROL") ||
+                Strings::case_insensitive_ascii_compare(filename.c_str(), "BUILD_INFO"))
                 return false;
             return !fs.is_directory(path);
         });
diff --git a/toolsrc/src/commands_remove.cpp b/toolsrc/src/vcpkg/remove.cpp
index a9f1b2564..3751566f7 100644
--- a/toolsrc/src/commands_remove.cpp
+++ b/toolsrc/src/vcpkg/remove.cpp
@@ -1,13 +1,16 @@
 #include "pch.h"
 
-#include "vcpkg_Commands.h"
-#include "vcpkg_Dependencies.h"
-#include "vcpkg_Input.h"
-#include "vcpkg_System.h"
-#include "vcpkg_Util.h"
-#include "vcpkglib.h"
-
-namespace vcpkg::Commands::Remove
+#include <vcpkg/base/system.h>
+#include <vcpkg/base/util.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/dependencies.h>
+#include <vcpkg/help.h>
+#include <vcpkg/input.h>
+#include <vcpkg/remove.h>
+#include <vcpkg/update.h>
+#include <vcpkg/vcpkglib.h>
+
+namespace vcpkg::Remove
 {
     using Dependencies::RemovePlanAction;
     using Dependencies::RemovePlanType;
@@ -167,8 +170,7 @@ namespace vcpkg::Commands::Remove
         static const std::string OPTION_RECURSE = "--recurse";
         static const std::string OPTION_DRY_RUN = "--dry-run";
         static const std::string OPTION_OUTDATED = "--outdated";
-        static const std::string EXAMPLE =
-            Commands::Help::create_example_string("remove zlib zlib:x64-windows curl boost");
+        static const std::string EXAMPLE = Help::create_example_string("remove zlib zlib:x64-windows curl boost");
         const std::unordered_set<std::string> options = args.check_and_get_optional_command_arguments(
             {OPTION_PURGE, OPTION_NO_PURGE, OPTION_RECURSE, OPTION_DRY_RUN, OPTION_OUTDATED});
 
diff --git a/toolsrc/src/SourceParagraph.cpp b/toolsrc/src/vcpkg/sourceparagraph.cpp
index 0f1a38d19..d766dcb72 100644
--- a/toolsrc/src/SourceParagraph.cpp
+++ b/toolsrc/src/vcpkg/sourceparagraph.cpp
@@ -1,19 +1,19 @@
 #include "pch.h"
 
-#include "PackageSpec.h"
-#include "SourceParagraph.h"
-#include "Triplet.h"
-#include "vcpkg_Checks.h"
-#include "vcpkg_Maps.h"
-#include "vcpkg_System.h"
-#include "vcpkg_Util.h"
-#include "vcpkg_expected.h"
+#include <vcpkg/packagespec.h>
+#include <vcpkg/sourceparagraph.h>
+#include <vcpkg/triplet.h>
+
+#include <vcpkg/base/checks.h>
+#include <vcpkg/base/expected.h>
+#include <vcpkg/base/system.h>
+#include <vcpkg/base/util.h>
 
 namespace vcpkg
 {
     using namespace vcpkg::Parse;
 
-    namespace Fields
+    namespace SourceParagraphFields
     {
         static const std::string BUILD_DEPENDS = "Build-Depends";
         static const std::string DEFAULTFEATURES = "Default-Features";
@@ -28,11 +28,11 @@ namespace vcpkg
     static Span<const std::string> get_list_of_valid_fields()
     {
         static const std::string valid_fields[] = {
-            Fields::SOURCE,
-            Fields::VERSION,
-            Fields::DESCRIPTION,
-            Fields::MAINTAINER,
-            Fields::BUILD_DEPENDS,
+            SourceParagraphFields::SOURCE,
+            SourceParagraphFields::VERSION,
+            SourceParagraphFields::DESCRIPTION,
+            SourceParagraphFields::MAINTAINER,
+            SourceParagraphFields::BUILD_DEPENDS,
         };
 
         return valid_fields;
@@ -92,14 +92,15 @@ namespace vcpkg
 
         auto spgh = std::make_unique<SourceParagraph>();
 
-        parser.required_field(Fields::SOURCE, spgh->name);
-        parser.required_field(Fields::VERSION, spgh->version);
+        parser.required_field(SourceParagraphFields::SOURCE, spgh->name);
+        parser.required_field(SourceParagraphFields::VERSION, spgh->version);
 
-        spgh->description = parser.optional_field(Fields::DESCRIPTION);
-        spgh->maintainer = parser.optional_field(Fields::MAINTAINER);
-        spgh->depends = expand_qualified_dependencies(parse_comma_list(parser.optional_field(Fields::BUILD_DEPENDS)));
-        spgh->supports = parse_comma_list(parser.optional_field(Fields::SUPPORTS));
-        spgh->default_features = parse_comma_list(parser.optional_field(Fields::DEFAULTFEATURES));
+        spgh->description = parser.optional_field(SourceParagraphFields::DESCRIPTION);
+        spgh->maintainer = parser.optional_field(SourceParagraphFields::MAINTAINER);
+        spgh->depends = expand_qualified_dependencies(
+            parse_comma_list(parser.optional_field(SourceParagraphFields::BUILD_DEPENDS)));
+        spgh->supports = parse_comma_list(parser.optional_field(SourceParagraphFields::SUPPORTS));
+        spgh->default_features = parse_comma_list(parser.optional_field(SourceParagraphFields::DEFAULTFEATURES));
 
         auto err = parser.error_info(spgh->name);
         if (err)
@@ -114,10 +115,11 @@ namespace vcpkg
 
         auto fpgh = std::make_unique<FeatureParagraph>();
 
-        parser.required_field(Fields::FEATURE, fpgh->name);
-        parser.required_field(Fields::DESCRIPTION, fpgh->description);
+        parser.required_field(SourceParagraphFields::FEATURE, fpgh->name);
+        parser.required_field(SourceParagraphFields::DESCRIPTION, fpgh->description);
 
-        fpgh->depends = expand_qualified_dependencies(parse_comma_list(parser.optional_field(Fields::BUILD_DEPENDS)));
+        fpgh->depends = expand_qualified_dependencies(
+            parse_comma_list(parser.optional_field(SourceParagraphFields::BUILD_DEPENDS)));
 
         auto err = parser.error_info(fpgh->name);
         if (err)
diff --git a/toolsrc/src/StatusParagraph.cpp b/toolsrc/src/vcpkg/statusparagraph.cpp
index f8ae293c2..5f00825e1 100644
--- a/toolsrc/src/StatusParagraph.cpp
+++ b/toolsrc/src/vcpkg/statusparagraph.cpp
@@ -1,6 +1,6 @@
 #include "pch.h"
 
-#include "StatusParagraph.h"
+#include <vcpkg/statusparagraph.h>
 
 using namespace vcpkg::Parse;
 
diff --git a/toolsrc/src/StatusParagraphs.cpp b/toolsrc/src/vcpkg/statusparagraphs.cpp
index aaba95eb9..647ed6d3f 100644
--- a/toolsrc/src/StatusParagraphs.cpp
+++ b/toolsrc/src/vcpkg/statusparagraphs.cpp
@@ -1,8 +1,7 @@
 #include "pch.h"
 
-#include "StatusParagraphs.h"
-#include "vcpkg_Checks.h"
-#include <algorithm>
+#include <vcpkg/base/checks.h>
+#include <vcpkg/statusparagraphs.h>
 
 namespace vcpkg
 {
diff --git a/toolsrc/src/triplet.cpp b/toolsrc/src/vcpkg/triplet.cpp
index 3b56da02a..8a84ee2b2 100644
--- a/toolsrc/src/triplet.cpp
+++ b/toolsrc/src/vcpkg/triplet.cpp
@@ -1,8 +1,8 @@
 #include "pch.h"
 
-#include "Triplet.h"
-#include "vcpkg_Checks.h"
-#include "vcpkg_Strings.h"
+#include <vcpkg/base/checks.h>
+#include <vcpkg/base/strings.h>
+#include <vcpkg/triplet.h>
 
 namespace vcpkg
 {
diff --git a/toolsrc/src/commands_update.cpp b/toolsrc/src/vcpkg/update.cpp
index 71ea4b063..168949bc1 100644
--- a/toolsrc/src/commands_update.cpp
+++ b/toolsrc/src/vcpkg/update.cpp
@@ -1,11 +1,13 @@
 #include "pch.h"
 
-#include "Paragraphs.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_System.h"
-#include "vcpkglib.h"
+#include <vcpkg/base/system.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/help.h>
+#include <vcpkg/paragraphs.h>
+#include <vcpkg/update.h>
+#include <vcpkg/vcpkglib.h>
 
-namespace vcpkg::Commands::Update
+namespace vcpkg::Update
 {
     bool OutdatedPackage::compare_by_name(const OutdatedPackage& left, const OutdatedPackage& right)
     {
diff --git a/toolsrc/src/VcpkgCmdArguments.cpp b/toolsrc/src/vcpkg/vcpkgcmdarguments.cpp
index cb261930e..522961693 100644
--- a/toolsrc/src/VcpkgCmdArguments.cpp
+++ b/toolsrc/src/vcpkg/vcpkgcmdarguments.cpp
@@ -1,10 +1,11 @@
 #include "pch.h"
 
-#include "VcpkgCmdArguments.h"
-#include "metrics.h"
-#include "vcpkg_Commands.h"
-#include "vcpkg_GlobalState.h"
-#include "vcpkg_System.h"
+#include <vcpkg/base/system.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/globalstate.h>
+#include <vcpkg/help.h>
+#include <vcpkg/metrics.h>
+#include <vcpkg/vcpkgcmdarguments.h>
 
 namespace vcpkg
 {
@@ -17,7 +18,7 @@ namespace vcpkg
         {
             System::println(System::Color::error, "Error: expected value after %s", option_name);
             Metrics::g_metrics.lock()->track_property("error", "error option name");
-            Commands::Help::print_usage();
+            Help::print_usage();
             Checks::exit_fail(VCPKG_LINE_INFO);
         }
 
@@ -25,7 +26,7 @@ namespace vcpkg
         {
             System::println(System::Color::error, "Error: %s specified multiple times", option_name);
             Metrics::g_metrics.lock()->track_property("error", "error option specified multiple times");
-            Commands::Help::print_usage();
+            Help::print_usage();
             Checks::exit_fail(VCPKG_LINE_INFO);
         }
 
@@ -38,7 +39,7 @@ namespace vcpkg
         {
             System::println(System::Color::error, "Error: conflicting values specified for --%s", option_name);
             Metrics::g_metrics.lock()->track_property("error", "error conflicting switches");
-            Commands::Help::print_usage();
+            Help::print_usage();
             Checks::exit_fail(VCPKG_LINE_INFO);
         }
         option_field = new_setting;
diff --git a/toolsrc/src/vcpkglib.cpp b/toolsrc/src/vcpkg/vcpkglib.cpp
index 5cdafdbc8..23c774210 100644
--- a/toolsrc/src/vcpkglib.cpp
+++ b/toolsrc/src/vcpkg/vcpkglib.cpp
@@ -1,11 +1,11 @@
 #include "pch.h"
 
-#include "Paragraphs.h"
-#include "metrics.h"
-#include "vcpkg_Files.h"
-#include "vcpkg_Strings.h"
-#include "vcpkg_Util.h"
-#include "vcpkglib.h"
+#include <vcpkg/base/files.h>
+#include <vcpkg/base/strings.h>
+#include <vcpkg/base/util.h>
+#include <vcpkg/metrics.h>
+#include <vcpkg/paragraphs.h>
+#include <vcpkg/vcpkglib.h>
 
 namespace vcpkg
 {
diff --git a/toolsrc/src/VcpkgPaths.cpp b/toolsrc/src/vcpkg/vcpkgpaths.cpp
index d14002e47..e1a4acd69 100644
--- a/toolsrc/src/VcpkgPaths.cpp
+++ b/toolsrc/src/vcpkg/vcpkgpaths.cpp
@@ -1,12 +1,12 @@
 #include "pch.h"
 
-#include "PackageSpec.h"
-#include "VcpkgPaths.h"
-#include "metrics.h"
-#include "vcpkg_Files.h"
-#include "vcpkg_System.h"
-#include "vcpkg_Util.h"
-#include "vcpkg_expected.h"
+#include <vcpkg/base/expected.h>
+#include <vcpkg/base/files.h>
+#include <vcpkg/base/system.h>
+#include <vcpkg/base/util.h>
+#include <vcpkg/metrics.h>
+#include <vcpkg/packagespec.h>
+#include <vcpkg/vcpkgpaths.h>
 
 namespace vcpkg
 {
diff --git a/toolsrc/src/VersionT.cpp b/toolsrc/src/vcpkg/versiont.cpp
index 738d2ce88..1c52d674a 100644
--- a/toolsrc/src/VersionT.cpp
+++ b/toolsrc/src/vcpkg/versiont.cpp
@@ -1,7 +1,7 @@
 #include "pch.h"
 
-#include "VersionT.h"
-#include "vcpkg_Strings.h"
+#include <vcpkg/base/strings.h>
+#include <vcpkg/versiont.h>
 
 namespace vcpkg
 {
diff --git a/toolsrc/src/vcpkg_Build_BuildPolicy.cpp b/toolsrc/src/vcpkg_Build_BuildPolicy.cpp
deleted file mode 100644
index b3bb778dc..000000000
--- a/toolsrc/src/vcpkg_Build_BuildPolicy.cpp
+++ /dev/null
@@ -1,40 +0,0 @@
-#include "pch.h"
-
-#include "vcpkg_Build.h"
-#include "vcpkg_Checks.h"
-#include "vcpkg_Enums.h"
-
-namespace vcpkg::Build
-{
-    static const std::string NAME_EMPTY_PACKAGE = "PolicyEmptyPackage";
-    static const std::string NAME_DLLS_WITHOUT_LIBS = "PolicyDLLsWithoutLIBs";
-    static const std::string NAME_ONLY_RELEASE_CRT = "PolicyOnlyReleaseCRT";
-    static const std::string NAME_EMPTY_INCLUDE_FOLDER = "PolicyEmptyIncludeFolder";
-    static const std::string NAME_ALLOW_OBSOLETE_MSVCRT = "PolicyAllowObsoleteMsvcrt";
-
-    const std::string& to_string(BuildPolicy policy)
-    {
-        switch (policy)
-        {
-            case BuildPolicy::EMPTY_PACKAGE: return NAME_EMPTY_PACKAGE;
-            case BuildPolicy::DLLS_WITHOUT_LIBS: return NAME_DLLS_WITHOUT_LIBS;
-            case BuildPolicy::ONLY_RELEASE_CRT: return NAME_ONLY_RELEASE_CRT;
-            case BuildPolicy::EMPTY_INCLUDE_FOLDER: return NAME_EMPTY_INCLUDE_FOLDER;
-            case BuildPolicy::ALLOW_OBSOLETE_MSVCRT: return NAME_ALLOW_OBSOLETE_MSVCRT;
-            default: Checks::unreachable(VCPKG_LINE_INFO);
-        }
-    }
-
-    CStringView to_cmake_variable(BuildPolicy policy)
-    {
-        switch (policy)
-        {
-            case BuildPolicy::EMPTY_PACKAGE: return "VCPKG_POLICY_EMPTY_PACKAGE";
-            case BuildPolicy::DLLS_WITHOUT_LIBS: return "VCPKG_POLICY_DLLS_WITHOUT_LIBS";
-            case BuildPolicy::ONLY_RELEASE_CRT: return "VCPKG_POLICY_ONLY_RELEASE_CRT";
-            case BuildPolicy::EMPTY_INCLUDE_FOLDER: return "VCPKG_POLICY_EMPTY_INCLUDE_FOLDER";
-            case BuildPolicy::ALLOW_OBSOLETE_MSVCRT: return "VCPKG_POLICY_ALLOW_OBSOLETE_MSVCRT";
-            default: Checks::unreachable(VCPKG_LINE_INFO);
-        }
-    }
-}
diff --git a/toolsrc/src/vcpkg_metrics_uploader.cpp b/toolsrc/src/vcpkgmetricsuploader.cpp
index cef4f4756..2239fe750 100644
--- a/toolsrc/src/vcpkg_metrics_uploader.cpp
+++ b/toolsrc/src/vcpkgmetricsuploader.cpp
@@ -1,6 +1,8 @@
-#include "metrics.h"
-#include "vcpkg_Checks.h"
-#include "vcpkg_Files.h"
+#include <vcpkg/metrics.h>
+
+#include <vcpkg/base/checks.h>
+#include <vcpkg/base/files.h>
+
 #include <Windows.h>
 
 using namespace vcpkg;