diff options
Diffstat (limited to 'tools/bit/make.cpp')
| -rw-r--r-- | tools/bit/make.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/bit/make.cpp b/tools/bit/make.cpp index 60b5687bb313..a8002417b916 100644 --- a/tools/bit/make.cpp +++ b/tools/bit/make.cpp @@ -26,6 +26,7 @@ #include <fstream> #include <string> #include <map> +#include <thread> #include <sys/types.h> #include <dirent.h> @@ -35,6 +36,14 @@ using namespace std; map<string,string> g_buildVars; +static unsigned int +get_thread_count() +{ + unsigned int threads = std::thread::hardware_concurrency(); + // Guess if the value cannot be computed + return threads == 0 ? 4 : static_cast<unsigned int>(threads * 1.3f); +} + string get_build_var(const string& buildTop, const string& name, bool quiet) { @@ -44,6 +53,7 @@ get_build_var(const string& buildTop, const string& name, bool quiet) if (it == g_buildVars.end()) { Command cmd("make"); cmd.AddArg("--no-print-directory"); + cmd.AddArg(string("-j") + std::to_string(get_thread_count())); cmd.AddArg("-C"); cmd.AddArg(buildTop); cmd.AddArg("-f"); @@ -199,6 +209,7 @@ int build_goals(const vector<string>& goals) { Command cmd("make"); + cmd.AddArg(string("-j") + std::to_string(get_thread_count())); cmd.AddArg("-f"); cmd.AddArg("build/core/main.mk"); for (size_t i=0; i<goals.size(); i++) { |