74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
/*
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* Copyright (c) The OpenRA Developers and Contributors
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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//
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// NOTE: Mono.framework only ships intel dylibs, so cannot be loaded by the arm64 slice of the Launcher utility.
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// Splitting checkmono into its own intel-only utility allows it to be called through rosetta if the user
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// wants to force the game to run under mono-through-rosetta.
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//
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// Based on https://github.com/mono/monodevelop/blob/main/main/build/MacOSX/monostub.mm and https://github.com/mono/monodevelop/blob/main/main/build/MacOSX/monostub-utils.h
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#include <stdio.h>
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#include <stdlib.h>
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#include <dlfcn.h>
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#define SYSTEM_MONO_PATH "/Library/Frameworks/Mono.framework/Versions/Current/"
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#define SYSTEM_MONO_MIN_VERSION "6.4"
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typedef char *(* mono_get_runtime_build_info)(void);
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int main(int argc, char **argv)
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{
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void *libmono = dlopen(SYSTEM_MONO_PATH "lib/libmonosgen-2.0.dylib", RTLD_LAZY);
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if (libmono == NULL)
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{
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fprintf (stderr, "Failed to load libmonosgen-2.0.dylib: %s\n", dlerror());
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return 1;
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}
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mono_get_runtime_build_info _mono_get_runtime_build_info = (mono_get_runtime_build_info)dlsym(libmono, "mono_get_runtime_build_info");
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if (!_mono_get_runtime_build_info)
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{
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fprintf(stderr, "Could not load mono_get_runtime_build_info(): %s\n", dlerror());
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return 1;
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}
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char *version = _mono_get_runtime_build_info();
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char *req_end, *end;
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long req_val, val;
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char *req_version = SYSTEM_MONO_MIN_VERSION;
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while (*req_version && *version)
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{
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req_val = strtol(req_version, &req_end, 10);
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if (req_version == req_end || (*req_end && *req_end != '.'))
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{
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fprintf(stderr, "Bad version requirement string '%s'\n", req_end);
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return 1;
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}
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val = strtol(version, &end, 10);
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if (version == end || val < req_val)
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return 1;
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if (val > req_val)
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return 0;
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if (*req_end == '.' && *end != '.')
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return 1;
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req_version = req_end;
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if (*req_version)
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req_version++;
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version = end + 1;
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}
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return 0;
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}
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