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From ae82de664a6ba6ab2654adf9bed81f22b6fdc19d Mon Sep 17 00:00:00 2001
From: Evgeni Golov <evgeni@golov.de>
Date: Sun, 27 Aug 2017 13:51:19 +0200
Subject: [PATCH] fix build with LuaJIT 2.1 betas
LuaJIT 2.1 drops some compat symbols [1]. And while I think that this is
wrong, as it breaks compatibility with Lua 5.1 [2], it is quite easy to
adopt the code to work with both versions (2.0 and 2.1) of LuaJIT and
remain Lua 5.1 compatible.
[1] https://github.com/LuaJIT/LuaJIT/commit/dc320ca70f2c5bb3977b82853bcee6dad2523d01
[2] https://github.com/LuaJIT/LuaJIT/issues/325
Upstream-Status: Submitted [https://github.com/LuaJIT/LuaJIT/issues/325]
Signed-off-by: Evgeni Golov <evgeni@golov.de>
sysdig-CLA-1.0-signed-off-by: Evgeni Golov <evgeni@golov.de>
---
CMakeLists.txt | 2 +-
userspace/libsinsp/chisel.cpp | 6 +++---
userspace/libsinsp/lua_parser.cpp | 2 +-
userspace/libsinsp/lua_parser_api.cpp | 2 +-
4 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d7020493..33e524f5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -140,7 +140,7 @@ option(USE_BUNDLED_DEPS "Enable bundled dependencies instead of using the system
option(USE_BUNDLED_LUAJIT "Enable building of the bundled LuaJIT" ${USE_BUNDLED_DEPS})
if(NOT USE_BUNDLED_LUAJIT)
- find_path(LUAJIT_INCLUDE luajit.h PATH_SUFFIXES luajit-2.0 luajit)
+ find_path(LUAJIT_INCLUDE luajit.h PATH_SUFFIXES luajit-2.1 luajit-2.0 luajit)
find_library(LUAJIT_LIB NAMES luajit luajit-5.1)
if(LUAJIT_INCLUDE AND LUAJIT_LIB)
message(STATUS "Found LuaJIT: include: ${LUAJIT_INCLUDE}, lib: ${LUAJIT_LIB}")
diff --git a/userspace/libsinsp/chisel.cpp b/userspace/libsinsp/chisel.cpp
index 0a6e3cf8..0c2e255a 100644
--- a/userspace/libsinsp/chisel.cpp
+++ b/userspace/libsinsp/chisel.cpp
@@ -98,7 +98,7 @@ void lua_stackdump(lua_State *L)
// Lua callbacks
///////////////////////////////////////////////////////////////////////////////
#ifdef HAS_LUA_CHISELS
-const static struct luaL_reg ll_sysdig [] =
+const static struct luaL_Reg ll_sysdig [] =
{
{"set_filter", &lua_cbacks::set_global_filter},
{"set_snaplen", &lua_cbacks::set_snaplen},
@@ -134,7 +134,7 @@ const static struct luaL_reg ll_sysdig [] =
{NULL,NULL}
};
-const static struct luaL_reg ll_chisel [] =
+const static struct luaL_Reg ll_chisel [] =
{
{"request_field", &lua_cbacks::request_field},
{"set_filter", &lua_cbacks::set_filter},
@@ -146,7 +146,7 @@ const static struct luaL_reg ll_chisel [] =
{NULL,NULL}
};
-const static struct luaL_reg ll_evt [] =
+const static struct luaL_Reg ll_evt [] =
{
{"field", &lua_cbacks::field},
{"get_num", &lua_cbacks::get_num},
diff --git a/userspace/libsinsp/lua_parser.cpp b/userspace/libsinsp/lua_parser.cpp
index 0e26617d..78810d96 100644
--- a/userspace/libsinsp/lua_parser.cpp
+++ b/userspace/libsinsp/lua_parser.cpp
@@ -32,7 +32,7 @@ extern "C" {
#include "lauxlib.h"
}
-const static struct luaL_reg ll_filter [] =
+const static struct luaL_Reg ll_filter [] =
{
{"rel_expr", &lua_parser_cbacks::rel_expr},
{"bool_op", &lua_parser_cbacks::bool_op},
diff --git a/userspace/libsinsp/lua_parser_api.cpp b/userspace/libsinsp/lua_parser_api.cpp
index c89e9126..e0169fe1 100644
--- a/userspace/libsinsp/lua_parser_api.cpp
+++ b/userspace/libsinsp/lua_parser_api.cpp
@@ -266,7 +266,7 @@ int lua_parser_cbacks::rel_expr(lua_State *ls)
string err = "Got non-table as in-expression operand\n";
throw sinsp_exception("parser API error");
}
- int n = luaL_getn(ls, 4); /* get size of table */
+ int n = (int)lua_objlen(ls, 4); /* get size of table */
for (i=1; i<=n; i++)
{
lua_rawgeti(ls, 4, i);
--
2.25.1
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