79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
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/* Copyright (C) 2016 Jeremiah Orians
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* Copyright (C) 2020 deesix <deesix@tuta.io>
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* This file is part of M2-Planet.
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*
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* M2-Planet is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* M2-Planet is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with M2-Planet. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include"cc.h"
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#include <sys/utsname.h>
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void init_macro_env(char* sym, char* value, char* source, int num);
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void setup_env(char** envp)
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{
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char* ARCH = NULL;
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struct utsname* unameData = calloc(1, sizeof(struct utsname));
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uname(unameData);
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if(match("i386", unameData->machine) ||
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match("i486", unameData->machine) ||
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match("i586", unameData->machine) ||
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match("i686", unameData->machine) ||
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match("i686-pae", unameData->machine)) ARCH = "x86";
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else if(match("x86_64", unameData->machine)) ARCH = "amd64";
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else ARCH = unameData->machine;
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/* TODO Check for override using envp */
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/* Set desired architecture */
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if(match("knight-native", ARCH)) Architecture = KNIGHT_NATIVE;
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else if(match("knight-posix", ARCH)) Architecture = KNIGHT_POSIX;
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else if(match("x86", ARCH))
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{
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Architecture = X86;
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init_macro_env("__i386__", "1", "--architecture", 0);
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}
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else if(match("amd64", ARCH))
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{
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Architecture = AMD64;
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init_macro_env("__x86_64__", "1", "--architecture", 0);
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}
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else if(match("armv7l", ARCH))
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{
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Architecture = ARMV7L;
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init_macro_env("__arm__", "1", "--architecture", 0);
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}
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else if(match("aarch64", ARCH))
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{
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Architecture = AARCH64;
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init_macro_env("__aarch64__", "1", "--architecture", 0);
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}
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else if(match("riscv64", ARCH))
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{
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Architecture = RISCV64;
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init_macro_env("__riscv", "1", "--architecture", 0);
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init_macro_env("__riscv_xlen", "64", "--architecture", 1);
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}
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else
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{
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fputs("Unknown architecture: ", stderr);
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fputs(ARCH, stderr);
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fputs(" know values are: knight-native, knight-posix, x86, amd64, armv7l, aarch64 and riscv64\n", stderr);
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exit(EXIT_FAILURE);
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}
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}
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