commit:     3c0d8e180e2f8a2a782b7a750193d7f1b91acd6d
Author:     Holger Hoffstätte <holger <AT> applied-asynchrony <DOT> com>
AuthorDate: Wed Mar  9 14:05:36 2022 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Wed Mar  9 15:10:25 2022 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=3c0d8e18

dev-util/sysdig: fix compatibility with luajit-2.1

Closes: https://bugs.gentoo.org/834664
Signed-off-by: Holger Hoffstätte <holger <AT> applied-asynchrony.com>
Closes: https://github.com/gentoo/gentoo/pull/24461
Signed-off-by: Sam James <sam <AT> gentoo.org>

 .../sysdig/files/sysdig-0.27.1-luajit-2.1.patch    | 99 ++++++++++++++++++++++
 dev-util/sysdig/sysdig-0.27.1-r100.ebuild          |  1 +
 2 files changed, 100 insertions(+)

diff --git a/dev-util/sysdig/files/sysdig-0.27.1-luajit-2.1.patch 
b/dev-util/sysdig/files/sysdig-0.27.1-luajit-2.1.patch
new file mode 100644
index 000000000000..b0d5c9dc724c
--- /dev/null
+++ b/dev-util/sysdig/files/sysdig-0.27.1-luajit-2.1.patch
@@ -0,0 +1,99 @@
+
+https://bugs.gentoo.org/834664
+https://github.com/draios/sysdig/pull/921
+
+Backport for 0.27.1 in lua_parser_api.cpp by:
+Holger Hoffstätte <[email protected]>
+
+From 1147b9a4f6f1f9e97b43735e7980da387837de4a Mon Sep 17 00:00:00 2001
+From: Evgeni Golov <[email protected]>
+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
+
+Signed-off-by: Evgeni Golov <[email protected]>
+sysdig-CLA-1.0-signed-off-by: Evgeni Golov <[email protected]>
+---
+ 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 8613a774d..4f27db9b3 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -103,7 +103,7 @@ 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 048bedc4e..b2bb8e872 100644
+--- a/userspace/libsinsp/chisel.cpp
++++ b/userspace/libsinsp/chisel.cpp
+@@ -96,7 +96,7 @@ 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},
+@@ -124,7 +124,7 @@ 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},
+@@ -135,7 +135,7 @@ 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 90a2c664f..55096d157 100644
+--- a/userspace/libsinsp/lua_parser.cpp
++++ b/userspace/libsinsp/lua_parser.cpp
+@@ -14,7 +14,7 @@ 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 7511814e3..90a3a9fb4 100644
+--- a/userspace/libsinsp/lua_parser_api.cpp
++++ b/userspace/libsinsp/lua_parser_api.cpp
+@@ -228,7 +228,7 @@ 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);

diff --git a/dev-util/sysdig/sysdig-0.27.1-r100.ebuild 
b/dev-util/sysdig/sysdig-0.27.1-r100.ebuild
index f5aa5dd67ea9..a31a6e8614d1 100644
--- a/dev-util/sysdig/sysdig-0.27.1-r100.ebuild
+++ b/dev-util/sysdig/sysdig-0.27.1-r100.ebuild
@@ -41,6 +41,7 @@ PDEPEND="
 
 PATCHES=(
        "${FILESDIR}"/${PN}-0.27.1-grpc-absl-sync.patch
+       "${FILESDIR}"/${PN}-0.27.1-luajit-2.1.patch
 )
 
 src_prepare() {

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