Add Premake build system

.gitignore

@@ -1,4 +1,14 @@
 # ---> C++
+
+# Editor configuration
+.vs/
+.vscode/
+
+# Build files
+*.make
+Makefile
+/BUILD/
+
 # Prerequisites
 *.d
 

premake5.lua

@@ -0,0 +1,29 @@
+---
+--- Copyright (c) 2024, Quinn Stephens.
+--- Provided under the BSD 3-Clause license.
+---
+
+workspace("LibreXP")
+    language("C")
+    toolset("clang")
+    configurations({ "Debug", "Release" })
+
+    filter("configurations:Debug")
+        defines({ "DEBUG" })
+        symbols("On")
+
+    filter("configurations:Release")
+        defines({ "NDEBUG" })
+        optimize("On")
+
+project("BOOT")
+    kind("ConsoleApp")
+
+    includedirs({ "BOOT/ENVIRON/INC" })
+    objdir("BUILD/BOOT")
+    targetdir("BUILD/BOOT")
+    files({ "BOOT/ENVIRON/INC/**.h", "BOOT/ENVIRON/**.c" })
+
+    filter("toolset:clang")
+        buildoptions({ "-target x86_64-windows-unknown", "-Wall", "-Wextra", "-O2", "-ffreestanding", "-fshort-wchar", "-fno-strict-aliasing", "-fno-stack-protector", "-fno-stack-check", "-mno-red-zone" })
+        linkoptions({ "-target x86_64-windows-unknown", "-fuse-ld=lld-link", "-Wl,-subsystem:efi_application", "-Wl,-entry:EfiEntry", "-Wl,-nodefaultlib" })