Added compilation of lzip as an attempt to support self-update

1 files changed, 70 insertions, 0 deletions

diff --git a/lzip-linux.patch b/lzip-linux.patch
new file mode 100644
index 000000000000..e92febfc4a52
--- /dev/null
+++ b/lzip-linux.patch
@@ -0,0 +1,70 @@
+--- a/lzip.cpp	2016-05-17 22:53:16.000000000 +0200
++++ b/lzip.cpp	2019-12-16 17:58:11.855288565 +0100
+@@ -1,17 +1,18 @@
+ #include <stdio.h>

+ #include <stdlib.h>

+ #include <string.h>

+-#include <io.h>

+ 

+-#include "_lib/zlib.h"

++#include "zlib.h"

+ 

+ extern "C" {

+-#include "_lib\lua.h"

+-#include "_lib\lauxlib.h"

+-#include "_lib\lualib.h"

+-#include "_lib\luajit.h"

++#include "lua.h"

++#include "lauxlib.h"

++#include "lualib.h"

++#include "luajit.h"

+ }

+ 

++#if defined(WIN32)

++#define DLLEXPORT __declspec(dllexport)

+ #if defined(_WIN64) 

+ #pragma comment(lib, "_lib\\lua51_64")

+ #else

+@@ -26,6 +27,9 @@
+ #else

+ #pragma comment(lib, "_lib\\zlib32MT")

+ #endif

++#else

++#define DLLEXPORT __attribute__((visibility("default")))

++#endif

+ 

+ typedef unsigned char byte;

+ typedef unsigned int dword;

+@@ -656,7 +660,7 @@
+ 	if (n < 1) {

+ 		luaL_error(L, "Usage: zipFile:Read(count) or zipFile:read(\"*a\")");

+ 	}

+-	int count;

++	int count = 0;

+ 	if (lua_isnumber(L, 1)) {

+ 		count = lua_tointeger(L, 1);

+ 	} else {

+@@ -673,6 +677,7 @@
+ 	byte* buf = new byte[count];

+ 	lzf->file->Read(buf, count);

+ 	lua_pushlstring(L, (char*)buf, count);

++    delete[] buf;

+ 	return 1;

+ }

+ 

+@@ -683,7 +688,7 @@
+ 	return 1;

+ }

+ 

+-extern "C" __declspec(dllexport) int luaopen_lzip(lua_State* L)

++extern "C" DLLEXPORT int luaopen_lzip(lua_State* L)

+ {

+ 	lua_settop(L, 0);

+ 	lua_newtable(L); // Library table

+@@ -742,4 +747,4 @@
+ 	lua_pop(L, 2);

+ 

+ 	return 1;

+-}
+\ No newline at end of file
++}