Integrate RandomX dependency into build system

configure.ac

@@ -1483,6 +1483,17 @@ if test "x$use_qr" != xno; then
   VEXTA_QT_CHECK([PKG_CHECK_MODULES([QR], [libqrencode], [have_qrencode=yes], [have_qrencode=no])])
 fi
 
+dnl RandomX proof-of-work library
+AC_CHECK_HEADER([randomx.h], [], [
+  AC_MSG_ERROR([RandomX header randomx.h not found])
+])
+
+AC_CHECK_LIB([randomx], [randomx_get_flags], [
+  RANDOMX_LIBS="-lrandomx"
+], [
+  AC_MSG_ERROR([RandomX library not found])
+])
+
 dnl ZMQ check
 
 if test "x$use_zmq" = xyes; then
@@ -1847,6 +1858,7 @@ AC_SUBST(NATPMP_LIBS)
 AC_SUBST(EVENT_LIBS)
 AC_SUBST(EVENT_PTHREADS_LIBS)
 AC_SUBST(ZMQ_LIBS)
+AC_SUBST(RANDOMX_LIBS)
 AC_SUBST(QR_LIBS)
 AC_SUBST(HAVE_GMTIME_R)
 AC_SUBST(HAVE_FDATASYNC)

depends/packages/packages.mk

@@ -1,4 +1,4 @@
-packages:=
+packages:=randomx
 
 boost_packages = boost
 

depends/packages/randomx.mk

@@ -0,0 +1,29 @@
+package=randomx
+$(package)_version=1.2.3
+$(package)_download_path=https://github.com/tevador/RandomX/archive/refs/tags
+$(package)_file_name=v$($(package)_version).tar.gz
+$(package)_sha256_hash=096af0bbe9d0dfeed6962c8541cd8f705a7ee2cfc2a6f433bcecc56941b720b8
+
+define $(package)_set_vars
+  $(package)_cmake_opts=-DCMAKE_BUILD_TYPE=Release
+  $(package)_cmake_opts+=-DARCH=default
+  $(package)_cmake_opts+=-DBUILD_SHARED_LIBS=OFF
+endef
+
+define $(package)_preprocess_cmds
+  mkdir build
+endef
+
+define $(package)_config_cmds
+  cd build && $($(package)_cmake) ..
+endef
+
+define $(package)_build_cmds
+  $(MAKE) -C build randomx
+endef
+
+define $(package)_stage_cmds
+  mkdir -p $($(package)_staging_prefix_dir)/include $($(package)_staging_prefix_dir)/lib && \
+  install src/randomx.h $($(package)_staging_prefix_dir)/include/randomx.h && \
+  install build/librandomx.a $($(package)_staging_prefix_dir)/lib/librandomx.a
+endef

src/Makefile.am

@@ -716,7 +716,7 @@ vexta_bin_ldadd = \
   $(LIBMEMENV) \
   $(LIBSECP256K1)
 
-vexta_bin_ldadd += $(BOOST_LIBS) $(BDB_LIBS) $(MINIUPNPC_LIBS) $(NATPMP_LIBS) $(EVENT_PTHREADS_LIBS) $(EVENT_LIBS) $(ZMQ_LIBS) $(SQLITE_LIBS)
+vexta_bin_ldadd += $(BOOST_LIBS) $(BDB_LIBS) $(MINIUPNPC_LIBS) $(NATPMP_LIBS) $(EVENT_PTHREADS_LIBS) $(EVENT_LIBS) $(ZMQ_LIBS) $(SQLITE_LIBS) $(RANDOMX_LIBS)
 
 vextad_SOURCES = $(vexta_daemon_sources) init/digibyted.cpp
 vextad_CPPFLAGS = $(vexta_bin_cppflags)