add old build script

random/build_sytem/build.cpp

@@ -0,0 +1,77 @@
+
+#define EXT_LINK
+#define EXT_INC
+#include "build.hpp"
+#include <unordered_set>
+
+std::vector<std::string> LINK = {"raylib/lib/libraylib.a"};
+
+std::vector<std::string> RAYINCLUDE = {"-Iraylib/include"};
+std::filesystem::path RAYLIB_DIR = "raylib";
+
+bool build = false;
+bool clear = false;
+bool run = false;
+
+int main(int argc, char const *argv[])
+{
+  if (rebuild_my_self(__FILE__, argc, argv))
+    return 0;
+
+  for (int i = 1; i < argc; ++i)
+  {
+    if (!std::strcmp(argv[i], "opt"))
+      opt_flags = "-O3";
+
+    if (!std::strcmp(argv[i], "build"))
+      build = true;
+
+    if (!std::strcmp(argv[i], "run"))
+      run = true;
+
+    if (!std::strcmp(argv[i], "clear"))
+    {
+      clear_all_build();
+      clear = true;
+    }
+  }
+
+  if (clear && !build)
+  {
+    return 0;
+  }
+
+  if (!std::filesystem::is_directory(RAYLIB_DIR))
+  {
+    command = {"wget", "https://github.com/raysan5/raylib/releases/download/5.5/raylib-5.5_linux_amd64.tar.gz"};
+    run_command(command);
+    command = {"tar", "-xzvf", "raylib-5.5_linux_amd64.tar.gz"};
+    run_command(command);
+    std::filesystem::rename("raylib-5.5_linux_amd64", "raylib");
+    std::filesystem::remove_all("raylib-5.5_linux_amd64.tar.gz");
+  }
+
+  if (!std::filesystem::is_directory(RAYLIB_DIR))
+    return 0;
+
+  std::filesystem::create_directory(OBJ_DIR);
+
+  int res = compile_src_dir(RAYINCLUDE);
+  switch (res)
+  {
+  case 1:
+    compile_obj_dir(LINK);
+    break;
+  case -1:
+    return 0;
+  }
+
+  if (!std::filesystem::exists(BUILD_FILE))
+    compile_obj_dir(LINK);
+
+  if (run)
+  {
+    run_main();
+  }
+  return 0;
+}