add support for JIT compilation

lib/lepton/asmjit/core/api-build_p.h

@@ -0,0 +1,55 @@
+// This file is part of AsmJit project <https://asmjit.com>
+//
+// See asmjit.h or LICENSE.md for license and copyright information
+// SPDX-License-Identifier: Zlib
+
+#ifndef ASMJIT_CORE_API_BUILD_P_H_INCLUDED
+#define ASMJIT_CORE_API_BUILD_P_H_INCLUDED
+
+#define ASMJIT_EXPORTS
+
+// Only turn-off these warnings when building asmjit itself.
+#ifdef _MSC_VER
+  #ifndef _CRT_SECURE_NO_DEPRECATE
+    #define _CRT_SECURE_NO_DEPRECATE
+  #endif
+  #ifndef _CRT_SECURE_NO_WARNINGS
+    #define _CRT_SECURE_NO_WARNINGS
+  #endif
+#endif
+
+// Dependencies only required for asmjit build, but never exposed through public headers.
+#ifdef _WIN32
+  #ifndef WIN32_LEAN_AND_MEAN
+    #define WIN32_LEAN_AND_MEAN
+  #endif
+  #ifndef NOMINMAX
+    #define NOMINMAX
+  #endif
+  #include <windows.h>
+#endif
+
+#include "./api-config.h"
+
+#if !defined(ASMJIT_BUILD_DEBUG) && defined(__GNUC__) && !defined(__clang__)
+  #define ASMJIT_FAVOR_SIZE  __attribute__((__optimize__("Os")))
+  #define ASMJIT_FAVOR_SPEED __attribute__((__optimize__("O3")))
+#elif ASMJIT_CXX_HAS_ATTRIBUTE(__minsize__, 0)
+  #define ASMJIT_FAVOR_SIZE __attribute__((__minsize__))
+  #define ASMJIT_FAVOR_SPEED
+#else
+  #define ASMJIT_FAVOR_SIZE
+  #define ASMJIT_FAVOR_SPEED
+#endif
+
+// Make sure '#ifdef'ed unit tests are properly highlighted in IDE.
+#if !defined(ASMJIT_TEST) && defined(__INTELLISENSE__)
+  #define ASMJIT_TEST
+#endif
+
+// Include a unit testing package if this is a `asmjit_test_unit` build.
+#if defined(ASMJIT_TEST)
+  #include "../../../test/broken.h"
+#endif
+
+#endif // ASMJIT_CORE_API_BUILD_P_H_INCLUDED