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194 lines (174 loc) · 4.61 KB
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/**
*
* @file BuildTools.cpp
* @author Gaspard Kirira
*
* Copyright 2026, Gaspard Kirira. All rights reserved.
* https://github.com/vixcpp/vix
* Use of this source code is governed by a MIT license
* that can be found in the License file.
*
* Vix.cpp
*
* Build graph task model
*
*/
#include <vix/engine/BuildTools.hpp>
#include "ExecutableLookup.hpp"
namespace vix::engine
{
bool CompilerLauncherSelection::selected() const
{
return status == ToolSelectionStatus::Selected && executable.has_value();
}
bool FastLinkerSelection::selected() const
{
return status == ToolSelectionStatus::Selected && flag.has_value();
}
std::string to_string(LinkerMode mode)
{
switch (mode)
{
case LinkerMode::Auto:
return "auto";
case LinkerMode::Default:
return "default";
case LinkerMode::Mold:
return "mold";
case LinkerMode::Lld:
return "lld";
}
return "auto";
}
std::string to_string(LauncherMode mode)
{
switch (mode)
{
case LauncherMode::Auto:
return "auto";
case LauncherMode::None:
return "none";
case LauncherMode::Sccache:
return "sccache";
case LauncherMode::Ccache:
return "ccache";
}
return "auto";
}
CompilerLauncherSelection select_compiler_launcher(LauncherMode mode)
{
CompilerLauncherSelection selection;
selection.requested = mode;
switch (mode)
{
case LauncherMode::None:
selection.status = ToolSelectionStatus::Disabled;
selection.reason = "compiler launcher disabled";
return selection;
case LauncherMode::Sccache:
if (detail::executable_on_path("sccache"))
{
selection.status = ToolSelectionStatus::Selected;
selection.executable = "sccache";
return selection;
}
selection.reason = "sccache not found on PATH";
return selection;
case LauncherMode::Ccache:
if (detail::executable_on_path("ccache"))
{
selection.status = ToolSelectionStatus::Selected;
selection.executable = "ccache";
return selection;
}
selection.reason = "ccache not found on PATH";
return selection;
case LauncherMode::Auto:
default:
if (detail::executable_on_path("sccache"))
{
selection.status = ToolSelectionStatus::Selected;
selection.executable = "sccache";
return selection;
}
if (detail::executable_on_path("ccache"))
{
selection.status = ToolSelectionStatus::Selected;
selection.executable = "ccache";
return selection;
}
selection.reason = "no supported compiler launcher found on PATH";
return selection;
}
}
FastLinkerSelection select_fast_linker(LinkerMode mode)
{
FastLinkerSelection selection;
selection.requested = mode;
#ifdef _WIN32
if (mode == LinkerMode::Default)
{
selection.status = ToolSelectionStatus::Disabled;
selection.reason = "default linker requested";
}
else
{
selection.reason = "fast linker selection is unavailable on Windows";
}
return selection;
#else
const bool hasMold = detail::executable_on_path("mold");
const bool hasLdLld = detail::executable_on_path("ld.lld");
if (mode == LinkerMode::Default)
{
selection.status = ToolSelectionStatus::Disabled;
selection.reason = "default linker requested";
return selection;
}
if (mode == LinkerMode::Mold)
{
if (hasMold)
{
selection.status = ToolSelectionStatus::Selected;
selection.flag = "-fuse-ld=mold";
return selection;
}
selection.reason = "mold not found on PATH";
return selection;
}
if (mode == LinkerMode::Lld)
{
if (hasLdLld)
{
selection.status = ToolSelectionStatus::Selected;
selection.flag = "-fuse-ld=lld";
return selection;
}
selection.reason = "ld.lld not found on PATH";
return selection;
}
if (hasMold)
{
selection.status = ToolSelectionStatus::Selected;
selection.flag = "-fuse-ld=mold";
return selection;
}
if (hasLdLld)
{
selection.status = ToolSelectionStatus::Selected;
selection.flag = "-fuse-ld=lld";
return selection;
}
selection.reason = "no supported fast linker found on PATH";
return selection;
#endif
}
std::optional<std::string> detect_compiler_launcher(LauncherMode mode)
{
return select_compiler_launcher(mode).executable;
}
std::optional<std::string> detect_fast_linker_flag(LinkerMode mode)
{
return select_fast_linker(mode).flag;
}
} // namespace vix::engine