gentoo-overlay/sci-libs/libsc/files/libsc-9999_20201220-autoconf_lua_version.patch

--- a/config/sc_include.m4
+++ b/config/sc_include.m4
@@ -281,7 +281,7 @@ AC_DEFUN([SC_CHECK_LIBRARIES],
 [
 SC_REQUIRE_LIB([m], [fabs])
 SC_CHECK_LIB([z], [adler32_combine], [ZLIB], [$1])
-SC_CHECK_LIB([lua53 lua5.3 lua52 lua5.2 lua51 lua5.1 lua lua5], [lua_createtable],
+SC_CHECK_LIB([$LUA_IMPL], [lua_createtable],
 	     [LUA], [$1])
 SC_CHECK_BLAS_LAPACK([$1])
 SC_BUILTIN_ALL_PREFIX([$1])
--- a/configure.ac
+++ b/configure.ac
@@ -74,7 +74,7 @@ echo "| Checking headers"
 echo "o---------------------------------------"
 
 AC_CHECK_HEADERS([execinfo.h signal.h sys/time.h sys/types.h time.h])
-AC_CHECK_HEADERS([lua.h lua5.1/lua.h lua5.2/lua.h lua5.3/lua.h])
+AC_CHECK_HEADERS([$LUA_IMPL/lua.h])
 
 echo "o---------------------------------------"
 echo "| Checking functions"
--- a/src/sc_lua.h
+++ b/src/sc_lua.h
@@ -30,29 +30,9 @@
 
 SC_EXTERN_C_BEGIN;
 
-#ifdef SC_HAVE_LUA5_3_LUA_H
-#include <lua5.3/lua.h>
-#include <lua5.3/lualib.h>
-#include <lua5.3/lauxlib.h>
-#else
-#ifdef SC_HAVE_LUA5_2_LUA_H
-#include <lua5.2/lua.h>
-#include <lua5.2/lualib.h>
-#include <lua5.2/lauxlib.h>
-#else
-#ifdef SC_HAVE_LUA5_1_LUA_H
-#include <lua5.1/lua.h>
-#include <lua5.1/lualib.h>
-#include <lua5.1/lauxlib.h>
-#else
-#ifdef SC_HAVE_LUA_H
-#include <lua.h>
-#include <lualib.h>
-#include <lauxlib.h>
-#endif
-#endif
-#endif
-#endif
+#include <@LUA_IMPL@/lua.h>
+#include <@LUA_IMPL@/lualib.h>
+#include <@LUA_IMPL@/lauxlib.h>
 
 SC_EXTERN_C_END;